Hach TL2310 Basic User Manual

DOC022.98.80534

TL2310

07/2016, Edition 2

Basic User Manual

Basis-Bedienungsanleitung

Manuale di base per l'utente

Manuel d'utilisation de base

Manual básico del usuario

Manual básico do utilizador

Základní návod k použití

Basisgebruikershandleiding

Grundlæggende brugerhåndbog

Podstawowa instrukcja obsługi

Grundläggande bruksanvisning

Peruskäyttöohje

Основно ръководство за потребителя

Alapvető felhasználói útmutató

Manual de utilizare de bază

Bendroji naudotojo instrukcija

Начальное руководство пользователя

Temel Kullanım Kılavuzu

Základný návod na použitie

Osnovni uporabniški priročnik

Osnovni korisnički priručnik

Βασικό εγχειρίδιο χρήσης

Kokkuvõtlik kasutusjuhend

English..............................................................................................................................3

Deutsch.......................................................................................................................... 23

Italiano............................................................................................................................ 45

Français......................................................................................................................... 66

Español.......................................................................................................................... 87

Português.................................................................................................................... 108

Čeština......................................................................................................................... 129

Nederlands................................................................................................................. 149

Dansk............................................................................................................................171

Polski............................................................................................................................ 191

Svenska....................................................................................................................... 212

Suomi............................................................................................................................232

български................................................................................................................... 252

Magyar......................................................................................................................... 274

Română....................................................................................................................... 295

lietuvių kalba...............................................................................................................316

Русский........................................................................................................................337

Türkçe...........................................................................................................................359

Slovenský jazyk......................................................................................................... 380

Slovenski..................................................................................................................... 401

Hrvatski........................................................................................................................ 422

Ελληνικά...................................................................................................................... 442

eesti keel..................................................................................................................... 465

2

Table of contents

Specifications on page 3 Startup on page 10

General information on page 4 Operation on page 11

Installation on page 8 Maintenance on page 19

User interface and navigation on page 9 Troubleshooting on page 20

Specifications

Specifications are subject to change without notice.

Specification Details

Measurement method Nephelometric

Regulatory Meets ISO 7027, DIN EN 27027, DIN 38404 and NFT 9033

ASTM D7315 - Standard Test Method for Determination of Turbidity Above 1 Turbidity

Unit (TU) in Static Mode

ASTM D6655 - Standard Test Method for Determination of Turbidity Below 5 NTU in

Static Mode

Dimensions (W x D x H) 39.5 x 30.5 x 15.3 cm (15.6 x 12.0 x 6.02 in.)

Weight 2.9 kg (6.4 lb)

Enclosure IP30; indoor use only

Protection Class External power supply: Protection Class I; instrument: Protection Class II

Pollution degree 2

Installation category External power supply: Category II; instrument: Category I

Power requirements Instrument: 12 VDC, 3.4 A; power supply: 100–240 VAC, 50/60 Hz

Operating temperature 0 to 40 °C (32 to 104 °F)

Storage temperature –20 to 60 °C (–4 to 140 °F)

Humidity 5 to 95% relative humidity, non-condensing

Display 17.8 mm (7 in.) color touch screen

Light source Light-emitting diode (LED) at 860 ± 30 nm

Measurement units FNU and NTU

Range NTU/FNU: 0–1000

Accuracy

1,

2,

3

±2% of reading plus 0.01 FNU/NTU from 0–1000 FNU/NTU

Resolution Turbidity: 0.001 FNU/NTU (on lowest range)

Repeatability ±1% of reading or 0.01 FNU/NTU, whichever is greater (under reference conditions)

Response time Signal averaging off: 6.8 seconds

Signal averaging on: 14 seconds (when 10 measurements are used to calculate the

average)

1

Turbidity specifications identified using recently prepared formazin standard and matched 1-inch

sample cells.

2

Intermittent electromagnetic radiation of 3 volts/meter or greater may cause slight accuracy

shifts.

3

Reference conditions: 23 (± 2) °C, 50 (± 10)% RH noncondensing, 100–240 VAC, 50/60 Hz

English 3

Specification Details

Stabilization time Immediately

Reading modes Single, continuous, Rapidly Settling Turbidity

™

, signal averaging on or off

Communication USB

Interface 2 USB-A ports for USB flash drive, external printer, keyboard and barcode scanner

Datalog Maximum 2000 total logs, includes reading log, verification log and calibration log

Air purge Dry nitrogen or instrument grade air (ANSI MC 11.1, 1975)

0.1 scfm at 69 kPa (10 psig); 138 kPa (20 psig) maximum

Hose barb connection for

1

/

8

-inch tubing

Sample cells Round cells 95 x 25 mm (3.74 x 1 in.) borosilicate glass with rubber-lined screw caps

Note: Smaller sample cells (less than 25 mm) can be used when a cell adapter is used.

Sample requirements 25 mm sample cell: 20 mL minimum

0 to 70 °C (32 to 158 °F)

Certification CE, KC, RCM

Warranty 1 year (EU: 2 years)

General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this manual. The manufacturer reserves the right to

make changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

Additional information

Additional information is available on the manufacturer's website.

Safety information

N O T I C E

The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,

without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent

permitted under applicable law. The user is solely responsible to identify critical application risks and install

appropriate mechanisms to protect processes during a possible equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

W A R N I N G

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious

injury.

C A U T I O N

Indicates a potentially hazardous situation that may result in minor or moderate injury.

4 English

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special

emphasis.

Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

This symbol, if noted on the instrument, references the instruction manual for operation and/or safety

information.

This symbol indicates the presence of a light source that may have the potential to cause minor eye

injury. Obey all messages that follow this symbol to avoid potential eye injury.

Electrical equipment marked with this symbol may not be disposed of in European domestic or public

disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to

the user.

Certification

EN 55011/CISPR 11 Notification Warning

This is a Class A product. In a domestic environment this product may cause radio interference in

which case the user may be required to take adequate measures.

Canadian Radio Interference-Causing Equipment Regulation, IECS-003, Class A:

Supporting test records reside with the manufacturer.

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing

Equipment Regulations.

Cet appareil numérique de classe A répond à toutes les exigences de la réglementation canadienne

sur les équipements provoquant des interférences.

FCC Part 15, Class "A" Limits

Supporting test records reside with the manufacturer. The device complies with Part 15 of the FCC

Rules. Operation is subject to the following conditions:

1. The equipment may not cause harmful interference.

2. The equipment must accept any interference received, including interference that may cause

undesired operation.

Changes or modifications to this equipment not expressly approved by the party responsible for

compliance could void the user's authority to operate the equipment. This equipment has been tested

and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

These limits are designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with the instruction

manual, may cause harmful interference to radio communications. Operation of this equipment in a

residential area is likely to cause harmful interference, in which case the user will be required to

correct the interference at their expense. The following techniques can be used to reduce

interference problems:

1. Disconnect the equipment from its power source to verify that it is or is not the source of the

interference.

2. If the equipment is connected to the same outlet as the device experiencing interference, connect

the equipment to a different outlet.

English

5

3. Move the equipment away from the device receiving the interference.

4. Reposition the receiving antenna for the device receiving the interference.

5. Try combinations of the above.

Korean certification

업무용을 위한 EMC 등급 A 장치에 대한

사용자 지침

사용자안내문

A 급 기기 ( 업무용 방송통신기자재 )

이 기기는 업무용 (A 급 ) 전자파적합기기로서 판매자 또는 사용자는 이 점을 주의하시기 바라며 , 가정

외의 지역에서 사용하는 것을 목적으로 합니다.

Product overview

C A U T I O N

Fire hazard. This product is not designed for use with flammable liquids.

The TL2310 laboratory turbidimeter measures the scattered light from water samples to determine

the turbidity value of the samples. The instrument uses one detector at a 90-degree angle from the

light source. The user can calibrate the instrument and verify the calibration at regular intervals.

The user interface uses a touch screen display. A printer, USB flash drive or keyboard can connect

to the USB ports. Refer to Figure 1. The real-time clock with battery puts a time-date stamp on all of

the data that is transmitted or recorded (i.e., reading log, calibration log and verification log).

6 English

Figure 1 Product overview

1 Sample compartment lid 6 Power connection

2 Touch screen display 7 USB port

3 Sample cell holder 8 Power button

4 Lamp cover 9 USB port

5 Air purge

Product components

Make sure that all components have been received. Refer to Figure 2. If any items are missing or

damaged, contact the manufacturer or a sales representative immediately.

English

7

Figure 2 Instrument components

1 Silicone oil 6 StablCal Calibration kit

2 Oiling cloth 7 Power supply

3 TL2310 turbidimeter 8 Power cord

4 1-inch sample cells (30 mL) with caps (6x) 9 Dust cover

5 Gelex secondary turbidity standardization kit

Installation

C A U T I O N

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the

document.

This instrument is rated for an altitude of 3100 m (10,710 ft) maximum. Use of this instrument at an

altitude higher than 3100 m can slightly increase the potential for the electrical insulation to break

down, which can result in an electric shock hazard. The manufacturer recommends that users with

concerns contact technical support.

Installation guidelines

Install the instrument:

• On a level surface

• In a clean, dry, well ventilated, temperature controlled location

• In a location with minimum vibrations that has no direct exposure to sunlight

• In a location where there is sufficient clearance around it to make connections and to do

maintenance tasks

• In a location where the power button and power cord are visible and easily accessible

Connect to external devices (optional)

Use the USB ports to connect the instrument to a printer, barcode handset scanner, USB flash drive

or keyboard. Refer to Figure 1 on page 7. The maximum length of a connected USB cable is 3 m

(9.8 ft). As an alternative to the touchscreen, use a keyboard to enter text into text boxes on the

display (e.g., passwords and sample IDs).

8

English

User interface and navigation

The instrument display is a touch screen. Only use a clean, dry finger tip to navigate the functions of

the touch screen. Do not use writing tips of pens or pencils or other sharp objects to make selections

on the screen or damage to the screen will occur.

Refer to Figure 3 for an overview of the home screen.

Figure 3 Display overview

1 Sample ID and measurement number

4

7 UP/DOWN navigation arrows

2 User comments 8 Sidebar menu (refer to Table 1)

3 Instructions 9 Time and date

4 Turbidity value, unit and reading mode 10 Options button

5 Warning or error message 11 Read button

6 Calibration status icon and calibration curve 12 Home/Instrument information button

Table 1 Sidebar menu icons

Icon Description

Login

Logs in or logs out an operator. To log in, select an operator ID and then push Login. To log out,

push Logout.

Note: When an operator is logged in, the Login icon changes to the icon selected for the operator ID (e.g., fish,

butterfly or soccer ball) and the text "Login" changes to the operator ID.

Sample ID

Selects the sample ID.

Calibration

Starts a calibration.

4

The measurement number increases by one each time a measurement is completed.

English 9

Table 1 Sidebar menu icons (continued)

Icon Description

Verification

Starts a verification.

Data Log

Shows the reading log, calibration log and verification log. Refer to Show the recorded data

on page 18.

Setup

Configures the instrument settings. Refer to Configure the instrument settings on page 11.

Diagnostics

Shows the firmware information, instrument backup, instrument updates, signaling information and

factory service data.

Timer

Sets a timer.

Startup

C A U T I O N

Infrared Light Hazard. The infrared light produced by this instrument can cause eye injury. The infrared light

source in this instrument only receives power when the sample cell cover is closed.

Refer to the illustrated steps that follow to supply power to the instrument and start the instrument.

The self-check will start.

10

English

Operation

Configure the instrument settings

1. Push , then push Setup.

2. Select an option.

Option Description

Location Sets the location name of the instrument. The location is sent with measurements to the

USB drive. The location is not saved to the data log.

Date & Time Sets the date format, the time format and the date and time. Enter the current date and

time. Date Format—Sets the date format. Options: dd-mm-yyyy (default), yyyy-mm-dd,

dd-mm-yyyy or mm-dd-yyyy. Time Format—Sets the time format. Options: 12 or

24 hours (default).

Security Enables or disables password protection for the settings and tasks in the security list.

Security Password—Sets or changes the security (administrator) password

(10 characters maximum). Passwords are case sensitive. Security List—Sets the

security level for each setting and task in the security list.

• Off—All operators can change the setting or do the task.

• One key—Only operators with a one-key or two-key security level can change the

setting or do the task. Refer to Add operator IDs on page 12.

• Two keys—Only operators with a two-key security level can change the setting or do

the task.

Note: The Security setting is not set to on until Close is pushed.

Sound Settings Enables or disables the sound settings for individual events. To enable or disable all of

the sound settings, select All and then push Setup.

Peripherals Shows the connection status of attached devices such as a printer, USB memory (flash

drive) or keyboard.

Power

Management

Sets when the instrument is automatically set to sleep mode or off after a period of no

activity. Sleep Timer—Sets when the instrument is set to sleep mode. Options: OFF,

30 minutes, 1 (default), 2 or 12 hours.

Configure the measurement settings

Select the reading mode, measurement units, data log settings and more.

1. At the main reading screen, push Options>Reading Setup.

2. Select an option.

Option Description

Reading

Mode

Sets the reading mode to single, continuous or RST mode. Single (default)—The

measurement stops when the reading is stable. Continuous—The measurement continues

until the user pushes Done. RST—The Rapidly Settling Turbidity (RST) mode calculates and

continuously updates the turbidity reading of the sample to a confidence of 95%, based on the

accumulated trend of the real time measured values. The RST mode is best used on samples

that settle rapidly and continuously change in value. The reading is based on a correctly

prepared sample that is homogeneous at the beginning of the reading. It is best applied to

samples that are greater than 20 NTU. The sample must be mixed thoroughly by inversion

immediately before inserting it into the instrument. Signal Avg—The turbidity reading that

shows on the display is an average of the values measured during the time interval selected.

Options: For single measurement mode, 5 to 15 seconds. For continuous measurement mode,

5 to 90 seconds.

Unit Selects the measurement units that show on the display and that are recorded to the data log.

Options: NTU (default), FNU.

English 11

Option Description

Bubble

Reject

Sets the bubble reject to on (default) or off. When set to on, high turbidity readings caused by

bubbles in the sample are not shown or saved to the data log.

Data Log

Setup

Sets the data log settings. Auto Store—Measurement data is automatically recorded in the

reading log. Default: On. If Auto Store is off, push Options>Store to manually save a reading in

the data log. Send Data Format—Sets the output format of measurement data that is sent to

external devices (CSV, XML or BMP). Default: XML. Print Format—Sets the output format of

measurement data that is sent to a printer (Quick Print or Detailed Print (GLP)). Comments—

Lets users add comments to log entries. Auto Send—Measurement data is automatically sent

to all of the devices (e.g., printer and USB flash drive) that are connected to the instrument after

each measurement. Options: Off, new file or continue file: off—do not auto send data, new file—

send data and save it in a new file, continue file—send data and save all data in one file.

Add operator IDs

Add a unique operator ID for each person who will measure samples (30 maximum). Select an icon,

operator password and security level for each operator ID.

1. Push Login.

2. Push Options>New.

3. Enter a new operator ID (20 characters maximum), then push OK.

4. Push the LEFT and RIGHT arrows to select the icon for the operator ID (e.g., fish, butterfly or

soccer ball).

5. Push Operator Password, then enter a password for the operator ID.

Note: Passwords are case sensitive.

6. Push Security Level, then select the security level for the operator ID.

• Off—The operator cannot change the settings or do the tasks in the Security settings that have

a security level of one key or two keys.

• One key—The operator can change all the settings and do all the tasks in the Security settings

that have a security level of off or one key.

• Two keys—The operator can change all the settings and do all the tasks in the Security

settings.

Note: Before a security level can be selected, the Security setting must be set to on. Refer to Configure the

instrument settings on page 11.

7. Push OK>Close.

8. To edit an operator ID, select the operator ID and then push Options>Edit.

9. To delete an operator ID, select the operator ID and then push Options>Delete>OK.

Add sample IDs

Add a unique sample ID for each sample (1000 maximum). The sample ID identifies the sample

location or other sample specific information.

As an alternative, import sample IDs from a spreadsheet file to the instrument. Refer to the expanded

user manual on the manufacturer's website to import sample IDs.

1. Push Sample ID.

2. Push Options>New.

3. Enter a new sample ID (20 characters maximum).

4. Push OK.

5. Select an option.

Option Description

Add Date/Time Adds the date and time that the sample was collected to the sample ID (optional). The date

and time entered for each sample ID show on the Sample ID menu.

12 English

Option Description

Add Number Adds a measurement number to the sample ID (optional). Select the first number used for

the measurement number (0 to 999).

The measurement number shows in parenthesis after the sample ID on the home screen.

Refer to User interface and navigation on page 9.

Add Color Adds a colored circle to the sample ID icon (optional). The sample ID icon shows before the

sample ID on the home screen. Refer to User interface and navigation on page 9.

6. Push OK>Close.

7. To edit a sample ID, select the sample ID and then push Options>Edit>OK.

8. To delete a sample ID, select the sample ID and then push Options>Delete>OK.

Note: To delete all sample ID's, select the sample ID and then push Options>Delete All Sample IDs>OK.

Calibrate the turbidimeter with StablCal Standards

Calibrate the turbidimeter before it is used for the first time using the StablCal sealed vial standards

provided.

Calibrate the turbidimeter at least every 3 months or as specified by the regulating authority when

data is used for ISO 7027 reporting.

Note: Unknown results may occur if standards other than the recommended calibration points are used. The

recommended calibration points (< 0.1, 20, 200 and 1000 NTU) provide the best calibration accuracy. Use of

standards other than StablCal, or user-prepared formazin, may result in less accurate calibrations. The

manufacturer cannot guarantee the performance of the instrument if calibrated with co-polymer

styrenedivinylbenzene beads or other suspensions.

Calibration notes

• Make sure that the instrument is in the same ambient conditions as where it is used.

• Make sure that the standards are at the same ambient temperature as the instrument before use.

• Use only the provided silicone oil. This silicone oil has the same refractive index as the vial glass

and masks minor glass differences and scratches.

• Store the oiling cloth in a plastic storage bag to keep the cloth clean.

• If power is lost during calibration, the new calibration data is lost and the last calibration data is

used.

• In Calibration mode, automatic range and signal averaging on are selected. When calibration is

completed, all operational modes go back to the last settings.

• All nephelometric (turbidity units of measure) calibrations are done at the same time.

• The FNU values of StablCal standards and formazin standards are calculated using the

conversion factors of 1 FNU = 1 NTU.

Configure the calibration settings

Change the calibration settings as necessary before the instrument is calibrated. The instrument

must be calibrated when the calibration curve is changed.

1. Push Calibration.

2. Push Options>Calibration Setup.

3. Select the calibration curve range and type of calibration standard.

Option Description

StablCal RapidCal

(0–40 NTU)

Calibration with 20-NTU StablCal standard (default).

Note: The dark current in the instrument is used as the zero point of the calibration

curve. The calibration curve is linear from 0-40 NTU, thus low turbidity

measurements are very accurate.

StablCal (0–1000

NTU)

Full-range calibration (<0.1 NTU, 20 NTU, 200 NTU, 1000 NTU) with StablCal.

English 13

Option Description

Formazin RapidCal

(0–40 NTU)

Calibration with 20-NTU formazin standard.

Note: The dark current in the instrument is used as the zero point of the calibration

curve. The calibration curve is linear from 0-40 NTU, thus low turbidity

measurements are very accurate.

Formazin (0–1000

NTU)

Full-range calibration (20 NTU, 200 NTU, 1000 NTU and dilution water) with

formazin.

SDVB (0–1000 NTU) Full-range calibration (20 NTU, 200 NTU, 1000 NTU and dilution water) with

spherical styrene divinylbenzene.

EU Pharm (0–30 NTU) Full-range calibration (<0.1 NTU, 3 NTU, 6 NTU, 18 NTU, 30 NTU).

Custom Calibration The user can enter a custom calibration for turbidity. The user selects the number of

calibration standards and the value of each calibration standard. Use a custom

calibration when smaller sample cells are used with a sample cell adapter.

4. Select the remaining calibration options.

Option Description

Verify after Cal. Sets the instrument to start a verification immediately after the instrument is calibrated.

When set to on, the verification standard is measured immediately after a calibration is

done. Default: ON. The value of the verification standard shows on the display as the

last standard during calibration.

Calibration

Reminder

Sets the time interval between calibrations. When a calibration is due, the display will

show a reminder and a question mark on the calibration icon at the top of the display.

Options: Off (default), 1 day, 7 days, 30 days or 90 days. When a calibration is done,

the calibration time is set to zero.

Reset to Factory

Calibration

Sets the calibration settings to the factory defaults.

Prepare the StablCal standards

When received and at intervals:

1. Clean the exterior surface of the StablCal vials with laboratory glass cleaning detergent.

2. Rinse the vials with distilled or deionized water.

3. Dry the vials with a lint-free cloth.

Note: Never shake or invert the < 0.1 NTU standard. If the standard has been mixed or shaken, do not move the

vial for 15 minutes or more before using.

Note: Do not remove the caps from the sealed vials.

Make sure that the StablCal standards are at ambient instrument temperature before use (and no

greater than 40 °C (104 °F)).

Invert the standards (except < 0.1 NTU) before use. Refer to the user instructions that are supplied

with the StablCal standards.

14

English

StablCal calibration procedure

1. Push Login and

select the applicable

Operator ID. If login is

not necessary, go to

step 3.

2. Push Login and

enter the password.

Push OK.

3. Push Calibration.

The standard values for

the selected calibration

curve (and verification

standard, if Verify after

Cal is on) show on the

display. To select a

different calibration

curve, refer to

Configure the

calibration settings

on page 13.

4. Get the StablCal

standard that shows on

the display. Clean the

vial with a soft, lint-free

cloth to remove water

spots and fingerprints.

5. Apply a small drop

of silicone oil from the

top to the bottom of the

vial.

6. Use the oiling cloth

to apply the oil equally

to the surface of the

vial. Remove most of

the oil. Make sure that

the vial is almost dry.

7. Carefully and slowly

invert the vial to fully

mix the standard (do

not invert the <0.1 NTU

vial). Be careful not to

add air bubbles.

8. Put the vial in the

sample cell holder with

the triangle on the vial

aligned with the

reference mark on the

sample cell holder.

Push the lid closed until

a click is heard.

9. Push Read. Wait

1 minute for the

instrument to complete

the measurement.

10. Open the lid and

remove the vial from

the sample cell holder.

11. Do steps 4–10 for

the other StablCal vials

(from lowest to highest

NTU standard). When

complete, the

measured values are

shown.

12. If Verify after Cal is

set to on, the value of

the verification standard

shows. Push Read to

measure the verification

standard.

English 15

13. Push Store to save

the new calibration

data.

Verification procedure

Use the verification procedure to measure the same Gelex or StablCal vial at regular intervals to

determine if the reading stays within the acceptance range. Use the Verification Setup menu to set a

reminder for the verification.

1. Push Login and

select the applicable

Operator ID. If login is

not necessary, go to

step 3.

2. Push Login and

enter the password.

Push OK.

3. Push Verification.

The verification

standard value is

shown. Push

Options>Verification

Setup to change the

value of the verification

standard.

4. Clean the Gelex

vials with a soft, lint-free

cloth to remove water

spots and fingerprints.

5. Apply a small drop

of silicone oil from the

top to the bottom of the

vial.

6. Use the oiling cloth

to apply the oil equally

to the surface of the

vial. Remove most of

the oil. Make sure that

the vial is almost dry.

7. Put the vial in the

sample cell holder with

the triangle on the vial

aligned with the

reference mark on the

sample cell holder.

Push the lid closed until

a click is heard.

8. Push Read. The

value and pass or fail

status shows. The data

is automatically stored

in the instrument.

Turbidity measurement

For accurate turbidity readings use clean sample cells and remove air bubbles.

16

English

Measurement notes

Proper measurement techniques are important in minimizing the effects of instrument variation, stray

light and air bubbles. For accurate and repeatable measurements:

Instrument

• Make sure that the instrument is on a level, stationary surface that is free of vibration during the

measurement.

• Instrument stabilization is immediate. No warm-up time is necessary.

• Always close the sample compartment lid during measurement, calibration and verification.

• Remove the sample cell from the instrument and turn off the instrument if the instrument is stored

for an extended time period (more than a month).

• Keep the sample compartment lid closed to keep dust and dirt out.

Sample cells

• Always cap the sample cell to prevent spillage of the sample into the instrument.

• Always use clean sample cells in good condition. Dirty, scratched or damaged cells can result in

readings that are not accurate.

• Make sure that cold samples do not “fog” the sample cell.

• Store sample cells filled with distilled or deionized water and cap tightly.

• For the best accuracy, use a single sample cell for every measurement or a flow cell.

Note: As an alternative, matched sample cells may be used for measurements but do not provide as good of

accuracy or precision as a single indexed sample cell or flow cell. When using matched sample cells, align the

orientation mark on the sample cell with the reference mark on the sample cell holder.

Measurement

• Measure samples immediately to prevent temperature changes and settling. Before a

measurement is taken, always make sure that the sample is homogeneous throughout.

• Avoid sample dilution when possible.

• Avoid instrument operation in direct sunlight.

Turbidity measurement procedure

To include an operator ID and sample ID with the measurement data, refer to Add sample IDs

on page 12 and Add operator IDs on page 12.

1. Push Login and

select the applicable

Operator ID. If login is

not necessary, go to

step 3.

2. Push Login and

enter the password.

Push OK.

3. Push Sample ID.

Select the applicable

sample ID, then push

Select. The selected

sample ID shows on the

display.

4. Rinse a clean,

empty sample cell two

times with the solution

to be measured and

drain to waste. Fill to

the line (about 30 mL)

with sample and

immediately put the cap

on the sample cell.

English 17

5. Clean the sample

cells with a soft, lint-free

cloth to remove water

spots and fingerprints.

6. Apply a small bead

of silicone oil from the

top to the bottom of the

sample cells.

7. Use the oiling cloth

provided to apply the oil

equally to the surface of

the sample cells.

Remove the excess oil.

Make sure that the

sample cells are almost

dry.

8. Gently and slowly

invert the sample cell to

fully mix the sample. Be

careful not to add air

bubbles.

9. Put the sample cell

in the sample cell

holder with the triangle

on the sample cell

aligned with the

reference mark on the

sample cell holder.

Push the lid closed until

a click is heard.

10. Push Read (or

Done if in continuous

mode). Wait for the

instrument to read the

sample.

Note: If auto store is

off, push Options >

Store to save the data.

Data management

Show the recorded data

All the recorded data is kept in the data log. There are three types of data logs:

• Reading log—Shows the recorded measurements.

• Calibration log—Shows the calibration history.

• Verification log—Shows the verification history.

1. Push Data Log and select the applicable data log.

2. To show the details of a log entry, select the log entry and then push View Details.

Note: To add a comment to the log entry, push the comments icon.

3. To show only some of the data, push Filter, then select On. The Filter Settings window opens.

4. Select an option.

Option Description

Time Interval Selects only the data that was stored during a specific time interval.

Operator ID Selects only the data that was stored with a specific operator ID.

Sample ID Selects only the data from the Reading Log that was stored with a specific sample ID.

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Send data to a connected device

The instrument can send data to a USB memory device or printer. For best results, use only USB

2.0 memory devices. The instrument makes a logger folder on the device and saves the data as

a .bmp, .csv or .xml file.

Use only the printers that are shown in the expanded version of this manual.

1. Connect a USB memory device or cable to a USB port on the instrument.

2. Connect the other end of the cable to the printer, if applicable.

3. Go to Setup>Peripherals. The connection status shows Connected. If the status shows Not

Connected, make sure to use the recommended devices.

4. Push Data Log and select the applicable log.

5. To send only some of the data, use the filter settings or select a single data point. Refer to Show

the recorded data on page 18.

6. Push Options>Send Data Log. Select single data point, filtered data or all data. Push OK.

The instrument sends the selected data to the connected devices.

Delete data from the data log

The instrument automatically deletes the oldest data record when the data log is full. The user can

also delete data manually. Make sure to save the data to an external device, then delete the data in

the data log.

1. Push Data Log and select the applicable log.

2. To delete only some of the data, use the filter settings. Refer to Show the recorded data

on page 18.

3. To delete the data, push Options>Delete Data. Select single data point, filtered data or all data.

Push OK.

The instrument deletes the selected data from the data log.

Maintenance

C A U T I O N

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the

document.

Clean spills

C A U T I O N

Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and

national regulations.

1. Obey all facility safety protocols for spill control.

2. Discard the waste according to applicable regulations.

Clean the instrument

Clean the exterior of the instrument with a moist cloth, and then wipe the instrument dry.

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19

Instrument utilities

1. Push Home to see the instrument model, version, serial number and location name.

2. Push Diagnostics.

3. Select an option.

Option Description

Factory Service For factory/service use only.

Instrument Backup Store—Saves a backup of all the instrument settings and log files to a USB flash drive.

Restore—Copies the instrument settings and log files from a USB flash drive to the

instrument. Overwrites all the instrument settings.

Instrument Update Installs an instrument update on the instrument from a USB flash drive.

Service Time Shows the date entered for the last service date and for the next service date. When

set to on, a service reminder shows on the display when service is due.

Troubleshooting

Message Solution

Startup

The self-check stopped.

Close the lid.

Close the lid. Push Close.

The self-check stopped.

Hardware error.

Set the power to off, wait 20 seconds and then set the power to on again. If the

self check is not successful, record the error number and contact technical

support.

Error numbers: 0: RTC; 1: Touch IC; 2: Slide door; 3: Dark voltage—Close the

door until a click is heard. Start the instrument again. 4: Amplifier coefficient—

Make sure that the power supply is connected to an electrical outlet that has a

protective earth ground. 5: Infrared LED voltage; 6: Infrared LED current; 9:

SDRAM; 10: NOR flash; 11: SPI flash; 12: Battery voltage; 13: Power supply

voltage—Make sure that the correct power supply is used.

Next calibration is due! Calibrate the instrument. Refer to Calibrate the turbidimeter with StablCal

Standards on page 13.

Note: The calibration reminder is set to on. Refer to Configure the calibration settings

on page 13.

Next service is due! Contact technical support.

Note: The service reminder is set to on. Refer to Instrument utilities on page 20.

Next verification is due! Do a calibration verification. Refer to the expanded user manual on the

manufacturer's website.

Note: The verification reminder is set to on.

Reading

Hardware error / instrument

error

Set the power to off, wait 20 seconds and then set the power to on again. If the

problem continues, contact technical support.

The calibration range is

exceeded.

The measured turbidity is more than the calibration range of the instrument.

Select a calibration curve for the full measurement range. Refer to Configure the

calibration settings on page 13.

The measurement range is

exceeded.

The measured turbidity is more than the measurement range of the instrument.

Calibration/Verification

Instrument error Examine the standards. Start the calibration or verification again.

If calibration (or verification) is not successful, contact technical support.

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