Sartorius Docu-pH Manuel utilisateur

Operation Manual

Sartorius Docu-pHMeter, Docu-pH+Meter

Docu-pH, Docu-pH+, pH/mV Meter

Français – page xx

Español – page xx

Italiano – page xx

Contents

3Contents

4Intended Use

5Warning and Safety Information

6General View of the pH Meter

7Getting Started

7 Equipment Supplied

7 Connecting the Equipment to AC Power

9 Installing Electrodes

12 Default Settings (Setup Menu)

12 Example: Selecting the Language

13 Parameter Settings (Overview)

15 Calibration (Adjustment)

15 Calibration for pH Measurement

18 Checking the Relative Millivolt Mode

19 Deleting Calibration Data

20 Docu-pH+Meter Model:

Calibration with Cal Reminder

21 Operating the Meter: Measurement

21 ATC Probe

21 Lock Function

21 Fast Mode (Shorter Measurement Time)

22 Measuring the pH

22 Measuring Redox Potential

23 Docu-pH+Meter Model: Saving Measured Data

26 Electrode with DocuClip®

28 Interpreting Calibration Curves

29 Temperature Compensation

30 Docu-pH+Meter Model: Data Output

31 Docu-pH+Meter Model: Data Interface

32 Error Messages

33 Care and Maintenance

33 Recycling Instructions

34 Overview

34 Meter Specifications

35 Accessories

36 Declaration of Conformity

Intended Use

The Docu-pHMeter is a meter for measur-

ing pH/mV and temperature. The fol-

lowing measuring ranges are covered:

– pH range: -2.000 to 20.000

– mV measuring range: -2,000 to +2,000

– Temperature range: –5 to +105C°

The pH meters simplify and speed up

routine procedures thanks to their:

– Automatic electrode recognition

– Simple operation

– Rugged and sturdy construction

– Easy to calibrate with 1, 2 or 3 calibra-

tion points

– Automatic buffer recognition

– Automatic electrode test during calibra-

tion

– Automatic temperature compensation

– Clear readout with easy-to-understand

symbols and LCD

– Intuitive menu controls with plain-lan-

guage instructions via LCD and softkeys

– Electrode operation with DocuClip®:

Previous calibrations are traceable

– Docu-pH+Meter: Serial interface for data

transfer to PC or printer

– Docu-pH+Meter:

Data storage capacity: 500 datasets

Symbols

The following symbols are used in

these instructions:

§indicates required steps

$indicates required steps, but only

under certain conditions

> describes what happens after you

perform a certain step

– indicates an item in a list

!indicates a hazard

Conventions Used in This Operation

Manual

– The pictures in this Operation Manual

are based on the “Docu-pHMeter”

model. On the other models, some

display readouts and printouts may

differ slightly from the ones shown.

Any differences that impact opera-

tion of the meter will be explained.

Hotline for Technical Applications

Advice

Phone: +49.551.308.4440

Fax: +49.551.308.4449

Warning and Safety Information

Your pH/mV meter complies with the

European Council Directives as well as

international regulations and standards

for electrical equipment, electromagnetic

compatibility, and the stipulated safety

requirements. Improper use or handling,

however, can result in damage and/or

injury.

§To prevent damage to the equipment,

read this Operation Manual thoroughly

before using your pH/mV meter.

Keep these instructions in a safe place.

Please observe the following instructions

to ensure safe and reliable operation of

your pH/mV meter.

Designated Use

– Designated use of the pH/mV meter is

exclusively for measuring pH and milli-

volt values in a laboratory environment.

Any use above and beyond this is

considered non-intended use.

Operational Safety

!Do not use this equipment in potentially

explosive atmospheres.

!If you use electrical equipment in instal-

lations and under ambient conditions

requiring higher safety standards, you

must comply with the provisions as

specified in the applicable regulations

for installation in your country.

!If you use an AC adapter, make sure

the voltage rating printed on the AC

adapter is identical to your local line

voltage.

– If you transport your pH/mV meter

from a cold to a warm environment,

condensation may occur and your

pH/mV meter may malfunction. In cases

like this, allow the meter’s temperature

to reach the room temperature prior

to using it again.

– Use Sartorius accessories, as these are

optimally designed for use with your

pH/mV meter.

– Calibration:

The temperature dependency for some

buffer solutions and DIN/NIST is saved

in your pH/mV meter. Automatic tem-

perature compensation is only accurate

if the stored buffers are used.

– Installation instructions:

The operator shall be responsible for

any modifications to Sartorius equip-

ment and must check and, if necessary,

correct these modifications. On request,

Sartorius will provide information on

the minimum operating specifications

(in accordance with the standards listed

above for defined immunity to interfer-

ence).

Protection ratings for the housing:

– This meter complies with IP43

– AC adapter complies with IP20

– Only clean the meter as described in the

cleaning instructions: see the chapter

entitled “Care and Maintenance.”

$If you have any problems with your

pH/mV meter:

contact your local Sartorius office,

dealer or service center.

General View of the pH Meter

Front view:

Back panel:

1LCD

2Softkeys

3Mounting for electrode

holding arm

4Only for the Docu-pH+Meter:

zkey: Print/Save

5ekey: On/off

6Jack for ATC probe

7Female connector for

“intelligent” DocuClip®

electrode with automatic

recognition capability

8BNC connector for pH or

ORP (redox) electrode

9Power jack for AC adapter

10 Only with the Docu-

pH+Meter: Serial interface

11 mkey: Access to

Settings

12 Qkey: Calibration

Getting Started

Storage and Shipping Conditions

Do not expose the pH/mV meter unnecessarily

to extreme temperatures, moisture, shocks, blows

or vibration.

Unpacking the pH/mV Meter

§After unpacking the pH meter, please check

it immediately for any visible damage.

$If any sign of damage is visible, proceed as directed

in the chapter entitled “Care and Maintenance,”

under the section on “Safety Inspection.”

It is a good idea to save the box and all parts of the

packaging until you have successfully installed your

portable meter. Only the original packaging provides

the best protection for shipment.Before packing

your portable meter, unplug all connected cables

to prevent damage.

Equipment Supplied

The equipment supplied includes the components

listed below:

– pH meter

– AC adapter

– Electrode holding arm

– Technical buffers; pH = 4.00 and 7.00 at 25°C:

One capsule each for producing 100 ml of buffer

solution; pH = 4.00 ml and pH= 7.00

$The pH/mV meter is also available in sets (including

electrode/DocuClip®). For more information, please

contact your local dealer or Sartorius directly.

Connecting the Equipment to AC Power

$Use only the original Sartorius power adapter

supplied:

In Europe: 102 078.1.

This AC power adapter has protection rating IP20 in

accordance with the European standard EN 60529.

§Plug the AC adapter into the power jack.

§Attach the electrode holding arm

$Position the electrode arm holder on the left,

if necessary.

§Unscrew the 2 screws on the bottom of the pH/mV

meter.

§Position the black plate with the mounting on the

other side.

§Use the two screws to secure the plate back into

place.

Installing Electrodes

You can use the following electrodes with the meter:

– pH combination electrode with BNC connector

– Separate 2.5 mm phone plug for ATC probe

– Ion-selective electrode or ORP (redox) electrode with

BNC connector

– Sartorius electrodes with DocuClip®

– The Docu-pHMeter automatically recognizes the types

of the ACT probes at the temperatures listed below:

– NCT10 kohm: +14°C to 76°C

– NCT30 kohm: –5°C to 40°C

– PT1000: 4°C to 105°C

Installation:

1. Remove the protective cover from the electrode.

2. Prior to first use of the pH electrode, soak it

overnight in an electrode filling solution or electrode

storage solution (3 mol/L KCl solution).

3. Check the pH/mV meter for correct functioning

as follows:

Connect the shorting cap to the BNC input.

Select mV mode and record the mV value:

Press the mV softkey, if necessary.

Make sure the portable meter is in mV mode.

If the mV value is 0 ± 0.3, the meter is functioning

correctly. Note that the long-term drift specified for

this portable meter is 0.1 mV/month since the most

recent calibration.

§Connect the electrode to the input connector (1)

on the meter (push in and twist to lock).

For accurate measurements, you can connect an

additional ATC probe to the ATC port (2).

Female connector for Sartorius DocuClip®(3):

Automatic electrode recognition, automatic

documentation and storage of calibration data.

4. Rinse and blot-dry electrodes between measure-

ments (do not wipe). Rinse electrodes with distilled

water, deionized water, or some of the next test

solution.

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