Chauvin Arnoux C.A 10001 User manual

C.A 10001

Waterproof pH / T° tester

Vattentät pH/T°-testare

Vesitiivis pH- ja lämpötilamittari

EN - User’s manual

SV - Bruksanvisningar

FI - Käyttöohje

Information or useful tip.

The CE marking indicates conformity with

European directives, in particular LVD and EMC.

The rubbish bin with a line through it indicates

that, in the European Union, the product must

undergo selective disposal in compliance with

Directive WEEE 2012/19/EU. This equipment

must not be treated as household waste.

CONTENTS

1. First use........................................................................3

2. Presentation.................................................................3

3. Use................................................................................5

4. Technical characteristics............................................7

5. Maintenance.................................................................8

6. Warranty .....................................................................10

Thank you for purchasing this waterproof C.A 10001 pH/

T° tester.

For best results from your instrument:

read these operating instructions carefully,

comply with the precautions for use.

PRECAUTIONS FOR USE

The operator and/or the responsible authority must carefully

read and clearly understand the various precautions to be

taken in use.

Observe the conditions of use, namely the temperature

and humidity.

Do not use the instrument if it seems to be damaged,

incomplete, or poorly closed.

All troubleshooting and metrological checks must be done

by competent accredited personnel.

If the electrode is dry, soak it for at least 30 minutes in a

storage solution before using it.

Svenska ............................................. 12

Suomi ................................................ 22

1. FIRST USE

1.1. DELIVERY CONDITION

C.A 10001 waterproof pH/T° tester

Delivered in a cardboard box with:

two CR2032 3V lithium coin batteries,

one storage bottle for the electrode,

one user manual in 5 languages,

one verication certicate.

For the pH bu󰀨er solutions and the maintenance solutions,

visit our web site: www.chauvin-arnoux.com

1.2. INSERTING THE BATTERIES

Turn the instrument over.

Use a coin to unlatch

the battery compartment

cover (twist clockwise).

Leave the red seal in

place.

Place the batteries in the

compartment with the

polarities as indicated.

Put the battery compart-

ment cover back on. Make

sure that it is completely

and correctly closed then

twist to latch (counter-

clockwise).

2. PRESENTATION

2.1. FUNCTIONS

The C.A 10001 is used to measure the pH of solutions, and

their temperature.

It is easy to use and small enough to slip into a pocket.

Its housing is waterproof.

It is calibrated by a single key press.

The temperature can be displayed in °C or in °F.

The pH reading is automatically temperature-compen-

sated (ATC).

The measurement can be frozen by pressing the HOLD

key.

Waterproof IP65

C.A 10001

pH/T° Tester

HOLD

CAL

Display LCD.

HOLD key to freeze the meas-

urement, choose the temperature

unit, or select the pH of the bu󰀨er

solution.

CAL key to start the calibration.

On/O󰀨 key.

Reference electrolyte.

Reference electrode.

pH measurement electrode.

Reference junction (cloth).

pH-sensitive glass membrane.

Storage bottle.

Storage solution.

2.2. C.A 10001

Temperature probe.

3. USE

Keep your electrode in an electrolytic solution in its

bottle. Never keep the electrode in distilled water or

de-ionized water.

3.1. CHOOSING THE TEMPERATURE UNIT

The instrument must be o󰀨.

Press the and CAL keys simultaneously for more than

2 seconds.

Choose the temperature unit by pressing the HOLD key.

Save your choice by pressing CAL.

3.2. CALIBRATION

The C.A 10001 must be calibrated regularly. Every day if it

is used a lot.

Press the key to switch the instrument on.

Withdraw the storage bottle by unscrewing it.

Soak the electrode in the rst bu󰀨er solution. Completely

immerse the glass ball. For greater accuracy, start the

calibration with the pH 7 bu󰀨er solution.

Press the CAL key.

After a few seconds, the instrument detects the bu󰀨er

solution.

If the pH of the bu󰀨er solution is not exactly 7.00, you can

change it by a long press on the HOLD key. The pH will

change to 7.01, then 7.02, etc.

After 7.50, the pH changes to 6.50, then 6.51, etc.

When the instrument has determined the rst calibration

point, it saves it and exits from calibration mode.

The calibration ranges are:

from 3.50 to 4.50 for a pH 4.00 bu󰀨er solution

from 6.50 to 7.50 for a pH 7.00 bu󰀨er solution

from 9.50 to 10.50 for a pH 10.00 bu󰀨er solution

If the measurement is outside of these limits, or the bu󰀨er

solution is not detected by the instrument, or the electrode is

damaged, the instrument waits 10 seconds, then aborts the

calibration and displays End.

Rinse the electrode in de-ionized water.

For a calibration at 2 or 3 points, repeat the above calibration

procedure with a pH 4 bu󰀨er solution, then with a pH 10

bu󰀨er solution.

3.3. PH MEASUREMENT

Withdraw the storage bottle by unscrewing it.

Immerse the electrode in the solution to be measured.

Press the key and agitate the electrode to obtain a

stable measurement.

The temperature is displayed and the central point on

the display unit blinks while the instrument makes the

measurement.

The measurement is displayed.

The ATC symbol indicates that the pH reading is temper-

ature-compensated.

To freeze the measurement, press the HOLD key. Press

HOLD again to return to the real-time measurement.

At the end of the measurements, switch o󰀨 the instrument

by pressing the key. Clean the electrode with de-ionized

water and put it back in its storage bottle.

3.4. AUTO OFF

The instrument switches itself o󰀨 automatically at the end of

20 minutes of inactivity.

To disable auto o󰀨, switch the instrument on by pressing the

and HOLD keys simultaneously. The instrument displays

n. Release the keys.

Auto o󰀨 is restored the next time the instrument is switched on.

3.5. ERRORS

The instrument displays - - -

The pH is outside the measurement range. The solution is

too alkaline or too acid.

The instrument displays H or L

The temperature is outside the measurement range. The

solution is too cold or too hot.

4. TECHNICAL CHARACTERISTICS

4.1. REFERENCE CONDITIONS

Quantity of inuence Reference values

Temperature 23 ±5°C

Relative humidity 30 to 80%RH

Supply voltage 6 ± 0.2V

4.2. CHARACTERISTICS

pH measurement range: 0.00 to 14.00

Resolution: 0.01 pH

Intrinsic error: ± 0.1 pH

Automatic temperature compensation from 0 to 60°C or 32

to 140°F.

Temperature measurement range: 0.0 to 60.0°C or 32.0 to

140.0°F.

Resolution: 0.1°C or 0.1°F

Intrinsic error: ±1°C or ±2°Fà 140,0°F.

4.3. ENVIRONMENTAL CONDITIONS

Range of operation:

0 to 50°C (32 to 122°F)

0 to 80%HR

4.4. POWER SUPPLY

the C.A 10001 is powered by two CR2032 3V lithium coin

batteries.

The life between charges is 100h of continuous use.

During periods of non-use or of storage, remove the batteries

from the housing.

4.5. MECHANICAL CHARACTERISTICS

Dimensions (L x l x P) 227 x 36 x 20mm

Mass approximately 65g

Ingress protection IP 65 per IEC 60529

4.6. ELECTROMAGNETIC COMPATIBILITY

Emission and immunity in an industrial environment per

IEC 61326-1.

5. MAINTENANCE

Except for the batteries, the instrument contains

no parts likely to be replaced by personnel who are not

specially trained and accredited.

5.1. REPLACEMENT OF THE BATTERIES

If the indicator lights, you must replace both batteries.

See the procedure in §1.2.

Spent batteries must not be treated as ordinary house-

hold waste. Take them to the appropriate recycling

collection point.

5.2. CLEANING

5.2.1. HOUSING

Since the C.A 10001 is waterproof, you can clean the hous-

ing with soap and water. Do not use alcohol, solvents, or

hydrocarbons.

5.2.2. ELECTRODE

The presence of white deposits on the electrode is due to

the evaporation of the storage solution. To eliminate them,

rinse with water.

Do not use aggressive and/or abrasive products and do not

scratch the glass ball. Rinse the surface of the glass and the

external part of the junction with de-ionized water.

If rinsing is not enough, use cleaning solutions suited to the

type of contamination. Silver sulphide deposits are washed

with a solution of thiourea in 0.1mol/L hydrochloric acid.

Clogging by silver chloride can be eliminated with a concen-

trated ammonia solution. Proteins are cleaned using an acid

pepsin solution.

5.3. MAINTENANCE

Keep your electrode in an electrolytic solution in its bottle

or in another ion-rich aqueous solution in order to ensure

uninterrupted hydration of the membrane.

Do not keep the electrode dry or in distilled or de-ionized

water, since this could a󰀨ect the membrane and shorten the

life of the electrode.

Use fresh bu󰀨er solutions for each calibration.

Rinse the electrode in de-ionized water after each meas-

urement.

5.4. TROUBLESHOOTING

The instrument fails to switch on when the key is pressed.

Check that the batteries are in place and that the polarities

are correct.

Replace the batteries and try again.

Remove the batteries for one minute, then put them back

in place and try again.

The instrument responds slowly

Clean the electrode. Refer to §5.2.2.

The measurement uctuates rapidly

The electrode is not immersed far enough in the solution

or the junction is fouled. In this case, refer to §5.2.2. for the

cleaning procedure.

6. WARRANTY

The life of your instrument depends on how you use it and

how you maintain it.

Except as otherwise stated, our warranty is valid for 12

months starting from the date on which the equipment was

sold. Extract from our General Conditions of Sale, provided

on request.

The warranty does not cover:

traces of clogging substances (glue, paint, resin, etc.) on

the body, the glass ball, or the junction;

breakage of the glass;

damage to the body of the electrode (deformation, dis-

coloration).

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