Hach SensION+ MM374 Bedienungsanleitung

DOC022.97.90253

sensION™+ MM374

12/2013, Edition 4

User Manual

Manuel d'utilisation

Manual del usuario

Manual do Usuário

用户手册

取扱説明書

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

Français..............................................................................................................................................................................................23

Español...............................................................................................................................................................................................44

Português..........................................................................................................................................................................................65

中文.......................................................................................................................................................................................................85

日本語................................................................................................................................................................................................103

한글.....................................................................................................................................................................................................123

ไทย........................................................................................................................................................................................................143

Table of contents

Specifications on page 3 Advanced operation on page 12

General information on page 4 Data logger on page 13

Installation on page 5 Maintenance on page 15

User interface and navigation

on page 8

Troubleshooting on page 17

Startup on page 9 Replacement parts and accessories

on page 18

Standard operation on page 9 Standard solutions on page 19

Specifications

Specifications are subject to change without notice.

Specification Details

Dimensions 35 x 20 x 11 cm (13.78 x 7.87 x 4.33 in.)

Weight 1100 g (2.43 lb)

Meter enclosure IP42

Power requirements

(external)

100–240 V, 0.4 A, 47-63 Hz

Meter protection class Class II

Pollution degree 2

Installation category Category II

Altitude requirements Standard 2000 m (6562 ft) ASL (Above Sea Level)

Storage temperature –15 to +65 °C (5 to +149 °F)

Operating temperature 0 to 40 °C (41 to 104 °F)

Operating humidity < 80% (non-condensing)

Specification Details

Resolution pH: 0.1/0.01/0.001, ORP: 0.1/1 mV, ISE:

programmable, temperature: 0.1 ºC (0.18 ºF), EC:

variable, resistivity: variable, NaCl: variable, TDS:

variable

Measuring error (±

1 digit)

pH: ≤ 0.005, ORP: ≤ 0.2 mV, temperature: ≤ 0.2 ºC (≤

0.36 ºF), EC: ≤ 0.5%, resistivity: ≤ 0.5 %, NaCl: ≤

0.5 %, TDS: ≤ 0.5%

Reproducibility (±

1 digit)

pH: ± 0.001, ORP: ± 0.1 mV, temperature: ± 0.1 ºC (±

0.18 ºF), EC: ± 0.1%, resistivity: ± 0.1%, NaCl ± 0.1%,

TDS ± 0.1%

Data storage 330 results and last 9 calibrations

Connections 2 Combined or indicator probe: BNC connector (Imp.

>1012Ω); 2 Reference electrodes: banana connector;

A.T.C. type Pt 1000: banana or telephonic; 2 magnetic

stirrers: RCA connector

Conductivity probe with built-in Pt1000 sensor (or NTC

10 kΩ probe): telephonic connector

RS232C for printer or PC: telephonic connector;

external PC keyboard: mini DIN connector

Temperature correction Channel 1 pH: Pt 1000 temperature probe (A.T.C.),

NTC 10 kΩ probe, manual, Channel 2 temperature,

isopotential pH programmable, standard value 7.00,

CE: Pt 1000 temperature probe (A.T.C.), linear

function, TC=0.00 to 9.99%/Temperature, TRef: 20°C

(68 °F) or 25°C (77 °F), non-linear function for natural

waters (UNE EN 2788) Channel 2 pH: Pt

1000 temperature probe (A.T.C.), manual, NTC 10KΩ

probe, isopotential pH programmable, standard value

7.00

Measurement display

lock

Continuous measurement, by stability, by time

Display Liquid crystal, backlit, 128 x 64 dots

Keyboard PET with protective treatment

Certification CE

English 3

General information

Revised editions are found on the manufacturer’s website.

Safety information

NOTICE

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

DANGER

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.

CAUTION

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

injury.

NOTICE

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.

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.

Product overview

The sensION™+ meters are used with probes to measure various

parameters in water.

The sensION™+ MM374 meter has two measurement channels to

measure pH, ORP (mV), conductivity or ISE (concentration) with a

selective probe. Channel 1 measures one or two parameter individual or

simultaneously and up to two probes can be connected. Channel

2 measures pH, ORP (mV) or ISE. Measurement data can be stored and

transferred to a printer or PC.

Product components

Refer to Figure 1 to make sure that all components have been received.

If any items are missing or damaged, contact the manufacturer or a

sales representative immediately.

4 English

Figure 1 Meter components

1 Electrolyte for the probe 6 Power supply

2 Buffer solutions (pH 4.01 and pH

7.00)

7 Probe holder

3 Calibration beakers (with magnetic

bar inside)

8 Rod

4 Standard solution (1413 µS/cm) 9 Probes (included with kits only)

5 Calibration beaker (with magnetic

bar inside)

10 Meter

Installation

Assemble the probe holder

Follow the numbered steps to assemble the probe holder and to connect

the magnetic stirrer.

English 5

1 2

3 4

6 English

Connect to AC power

DANGER

Electrocution hazard. If this equipment is used outdoors or in

potentially wet locations, a Ground Fault Circuit Interrupt (GFCI/GFI)

device must be used to connect the equipment to its main power

source.

The meter can be powered by AC power with the universal power

adapter.

1. Select the correct adapter plug for the power outlet from the adapter

kit.

2. Connect the universal power adapter to the meter (Figure 2).

3. Connect the universal power adapter to an AC receptacle (Figure 3).

4. Turn the meter on.

Figure 2 Connector panel

1 Magnetic stirrer 1 connector,

Channel 1

7 PC keyboard, mini DIN connector

2 Reference electrode (separated

electrodes) connector, Channel 1

8 Conductivity probe connector,

Channel 2

3 Reference electrode (separated

electrodes) connector, Channel 2

9 Temperature probe connector,

Channel 2

4 Separated temperature probe

connector, Channel 2

10 Combined pH electrode (or

indicator) connector, Channel 2

5 RS-232 for printer or PC connector 11 Combined pH electrode (or

indicator) connector, Channel 1

6 Power supply 12 Magnetic stirrer 2 connector,

Channel 1

English 7

Figure 3 AC power connection

Note: Position the equipment so it is not difficult to disconnect power to the

equipment.

User interface and navigation

User interface

Keypad description

1 RETURN key: cancel or exit the

current menu screen to the

previous menu screen

5 DOWN key: scroll to other options,

change a value

2 MEASUREMENT key: confirm the

selected option

6 ON/OFF: turn on or turn off the

meter

3 UP key: scroll to other options,

change a value

7 LEFT key: change between

Channel 1 and Channel 2, enter

numbers and letters

4 RIGHT key: change between

Channel 1 and Channel 2, enter

numbers and letters

Display description

The meter display shows the concentration, units, temperature,

calibration status, operator ID, sample ID, date and time.

8 English

Figure 4 Single screen display

1 Sample ID 5 Measurement channel

2 Measurement unit and value

(conductivity or ISE)

6 Sample temperature (ºC or ºF)

3 Measurement unit and value (pH,

ORP/mV)

7 Visual measurement timer

4 Measurement mode or time and

date

Navigation

Use the to return to the previous menu. Use the measure key to

take a sample measurement or to confirm options. Use the arrow keys

to scroll to other options or to change a value. To change the

parameters use the arrow keys and . Refer to each task for specific

instructions.

Startup

Turn the meter on and off

NOTICE

Make sure that the probe is connected to the meter before the meter is turned on.

Push to turn on or turn off the meter. If the meter does not turn on,

make sure that the AC power supply is properly connected to an

electrical outlet.

Change the language

The display language is selected when the meter is powered on for the

first time.

1. Use the or to select a language from a list.

2. Confirm with . The measurement screen shows DATA OUTPUT.

3. Select Deactivated if no printer or PC is connected and confirm.

Refer to Select the data output on page 12 for more information

about Data Output.

Standard operation

Calibration

DANGER

Chemical exposure hazard. Obey laboratory safety procedures and

wear all of the personal protective equipment appropriate to the

chemicals that are handled. Refer to the current safety data sheets

(MSDS/SDS) for safety protocols.

Calibration settings

The calibration settings contain Calibration type, Calibration frequency

and Display options.

1. From the main menu use the or to select CALIBRATION.

Confirm.

2. Use the to enter the calibration menu.

3. Use the or to select the following options:

Option Description

Stability C.: Criterion by stability—select Fast, Standard or Strict.

English 9

Option Description

Calibration

type

pH: Calibration type—select Technical buffers,

DIN19266 Buffers, User Buffers, To a X value, data

introduction or Theoretical calibration.EC: Calibration type

—select Molar Standards, Demal Standards, NaCl

Standards, Calibration to a X value, data introduction or

Theoretical calibration. Refer to Calibration types for more

information.

Cal. frequency Calibration reminder—can be set between 0–7 days

(default daily). The display shows the remaining time to

the new calibration. Refer to Set the calibration reminder

on page 11 for more information.

Display mV Display mV—select YES or NO to show mV.

Calibration types

Different calibration types can be selected.

1. From the main menu use the or to select CALIBRATION.

Confirm.

2. Use the to enter the calibration menu.

3. Use the or to select Calibration type.

Option Description

Technical buffers pH 2.00, 4.01, 7.00, 9.21 and 10.01 at 25 °C

(77 °F)

DIN19266 Buffers pH 1.679, 4.006, 6.865, 7.000, 9.180, 10.012 and

12.454

User Buffers Selected when the technical or DIN19266 buffers

are not used. Refer to Technical buffer solutions

(DIN 19267) on page 19 for pH values of

specific buffer sets at varying temperatures.

Calibration to a X value To adjust manually any scale value of the

measured pH or conductivity.

Data introduction Manual probe constant introduction.

Option Description

Theoretical calibration pH: The probe calibration data is replaced at

25 °C (77 °F). EC: The probe calibration data is

replaced with C=1.000 cm -1

Molar Standards 147 µS/cm, 1413 µS/cm, 12.88 mS/cm and

111.8 mS/cm at 25 °C (77 °F)

Demal Standards 1049 µS/cm, 12.85 mS/cm and 111.31 mS/cm at

25 °C (77 °F)

NaCl Standards 1014.9 µS/cm 25 °C (77 °F)

Calibration procedure

This procedure is for general use with liquid calibration solutions. Refer

to the documents that are included with each probe for additional

information.

Note: Solutions should be stirred during calibration. For more information about the

stirring settings, refer to Change the stirring settings on page 13.

Note: If Channel 1 is used as a double channel (pH and EC) the temperature will

be measured by the conductivity cell with integrated ATC. The conductivity cell

must be immersed in the pH buffer solution as well during the pH calibration.The

manual temperature modification is not possible.

1. Pour the buffers or calibration solutions into the labeled calibration

beakers.

2. From the main menu use the or and and to select the

CALIBRATION parameter. Confirm.

3. If required select the Operator ID (1 to 10) and confirm.

4. Rinse the probe with deionized water and put the probe into the first

calibration beaker. Be sure that there are no air bubbles in the

membrane.

5. Push to Start calibration.

6. Push to measure the first calibration solution.

The next calibration solution is shown.

7. Rinse the probe with deionized water and put the probe into the

second calibration beaker. Be sure that there are no air bubbles in

the membrane.

10 English

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