Adwa Instruments AD1030 User manual

AD1030, AD1040, AD1200

pH /mV/ISE/Temperature

Bench Meters

www.adwainstruments.com

USER MANUAL

MANAD1040 R2 06/09

ADWA INSTRUMENTS Kft.

Alsókikötõ sor 11, 6726 Szeged, Hungary

Tel. +36 62 317 878

Fax +36 62 550 610

e-mail: [email protected]

www.adwainstruments.com

Dear Customer,

Thank you for choosing an Adwa product.

Please read carefully this manual before starting

operations.

This instrument is in compliance with the EMC Directive

89/336/EEC and Low Voltage Directive 73/23/EEC for

electrical equipments.

For additional technical information, please e-mail us at

[email protected].

TABLE OF CONTENTS

Introduction........................................................... 4

Technical Data ..................................................... 6

Front and Rear Panels .......................................... 8

Operational Guide ................................................13

pH Calibration .....................................................20

Relative mV Calibration .......................................29

ISE Calibration (AD1200 only)...........................................30

Good Laboratory Practice ....................................35

Setup ...................................................................42

Log-on-demand (AD1040 and AD1200) ............................48

Hold ....................................................................53

Temperature Calibration (for technical personnel only) .54

mV Calibration (for technical personnel only) ...................57

Analog Output .....................................................59

pH Electrode Conditioning & Maintenance ...........60

Electrodes, Probes and Solutions ..........................63

Troubleshooting Guide ..........................................64

Warranty .............................................................66

WARRANTY

Adwa warrants this product to be free of defects in

material and workmanship as stated in the operating

manual. If repair or adjustment is necessary and has

not been the result of abuse, misuse or improper han-

dling within the warranty period, please contact your

dealer or the nearest Adwa Office for the RGA

(Return Goods Authorization) number to put on the

outside of your package. Warranted service will be

made without charge.

The meter is warranted for a period of 2 years,

while probes are warranted for 6 months.

The warranty period commences from the original

date of sale.

Warranty is only valid when the product is used under

normal conditions and in accordance with the instruc

tion manual.

The warranty is void if the instrument is repaired or

serviced by unauthorized personnel, not used in accor-

dance to the instructions, or if non-Adwa accesso-

ries such as buffer solutions, probes, etc. are used

in conjunction with the meter. Adwa will not be

held responsible for any accident whether directly or

indirectly, caused by the use of this instrument.

INTRODUCTION

AD1030, AD1040 and AD1200 are professional

bench meters for pH, ORP (Oxidation Reduction Po-

tential), ISE (AD1200 only) and temperature

measurements. Relative mV readings are also pro-

vided. Main features include:

•Up to three-point calibration with seven memorized

buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)

and two custom buffers

•Calibration time-out alarm

•pH calibration using buffers with 0.001 resolution

•pH readings with manual or automatic temperature

compensation

•Up to 50 samples for log-on-demand (not for

AD1030)

•Two selectable alarm limits

•Large easy-to-read LCD showing the pH, ISE

(AD1200 only) or mV and temperature simulta-

neously, together with graphic symbols

•HOLD feature to freeze the stable reading on the

LCD

•GLP feature (not for AD1030) to view last calibra-

tion data for pH, ISE and relative mV ranges

SYMPTOM PROBLEM SOLUTION

The meter does Out of order Replace the probe.

not work with temperature probe.

temperature probe.

The meter fails to Broken or out of Replace electrode.

calibrate or gives order pH electrode.

faulty readings.

Explicit warnings Dirty/broken pH Follow displayed

are displayed electrode, instructions.

during pH contaminated

calibration. reference or buffers.

At start-up the One key is Check the keyboard

meter displays full blocked. or contact

LCD permanently. the vendor.

Long beep heard Key not working

when a key is in current mode.

pressed. End of range

reached with the

arrow keys.

Digits can not be Maximum value Delete digits.

introduced with reached for

the numeric keys. corresponding range.

Each model is supplied complete with:

•A1131B refillable pH electrode with glass body,

BNC connector and 1 m cable

•A7662 stainless steel temperature probe with 1 m

cable

•pH 4.01 and pH 7.01 calibration buffers (20 ml

sachet each)

•Electrode holder

•12 Vdc power adapter

•User manual

TROUBLESHOOTING GUIDE

SYMPTOM PROBLEM SOLUTION

Slow response/ Dirty pH Soak the electrode

excessive drift. electrode. tip in deionized water

for 30 min.

and then clean the

electrode .

Readings fluctuate Clogged/dirty Clean the electrode.

up and down junction. Low Refill with fresh

(noise). electrolyte level electrolyte (refillable

(refillable electrode only).

electrodes only).

The display shows Out of range in Make sure the pH

blinking dashes the pH scale. sample is in the

during pH specified range.

measurements. Recalibrate. Check

the electrolyte level

and the general state

of the pH electrode.

The display shows Reading out of Check the sample.

blinking reading range. Connect the electrode.

in measurement Electrode not

mode. connected.

Out of range in Dry membrane/ Soak in A7071S

the mV scale. junction. electrolyte solutionfor

at least one hour.

TECHNICALDATA

Range -2.00 to 16.00 pH / -2.000 to 16.000 pH

±2000 mV

0.001 to 19999 ppm (AD1200 only)

- 20.0 to 120.0°C (- 4.0 to 248.0°F)

Resolution 0.01 pH / 0.001 pH

0.1 mV

(±999.9) / 1 mV (outside) 0.001 ppm

(0.001 to 9.999) 0.01

ppm (10.00 to 99.99) 0.1

ppm (100.0 to 999.9) 1

ppm (1000 to 19999)

(AD1200 only)

0.1°C (0.1°F)

Accuracy ±0.01 pH / ±0.002 pH

(@20°C/68°F) ±0.2 mV up to ±699.9 mV

±0.5 mV up to ±999.9 mV

± 2 mV outside

± 0.5% f.s.

for ISE (AD1200 only) ±0.4°C

(±0.7°F) (excluding probe error)

Relative mV Offset ± 2000 mV

Analog Output ± 2000 mV

ELECTRODES, PROBES AND SOLUTIONS

A1131B Refillable pH electrode with glass body,

tip protection bottle, BNC connector

and 1 m cable

A1230B pH electrode with Epoxy body, tip pro-

tection bottle, BNC connector and 1

m cable

A3230B ORP electrode with Epoxy body, tip

protection bottle, BNC connector and

1 m cable

A7662 Stainless steel temperature probe with

1 m cable.

A70004P pH 4.01 buffer, 20 ml sachet, 25 pcs

A70007P pH 7.01 buffer, 20 ml sachet, 25 pcs

A70010P pH 10.01 buffer, 20 ml sachet, 25 pcs

A7071S 3.5 M KCl + AgCl electrolyte solu-

tion for refillable electrodes, 30 ml

bottle

pH Calibration Up to 3 point calibration,

with 2 custom and 7 standard buffers

(pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)

ISE Calibration Up to two-point calibration,

(AD1200 only) 5 standard solutions available

(0.1,1,10,100,1000 ppm)

Temperature Manual or automatic,

Compensation -20.0 to120.0°C (-4.0 to 248.0°F)

pH Electrode A1131B

Temperature Probe A7662

Input Impedance 1012 Ohm

Log-on-demand Up to 50 samples

(AD1040 & AD1200)

Environment 0 to 50°C (32 to 122°F)

RH max. 95% non-condensing

Power Supply 12 Vdc adapter

Dimensions 230 x 180 x 50 mm

Weight 1.8 kg

Refill the electrode reference chamber with fresh

A7071S electrolytesolution.Allow theelectrodeto stand

upright for 1 hour. Follow the storage procedure above.

CLEANING PROCEDURE

Soak in deionized water for approximately 30 minutes.

IMPORTANT: After performing any of the cleaning

procedures, rinse the electrode thoroughly with deion-

ized water, refill the reference chamber with fresh elec-

trolyte and soak the electrode in A7071S electrolyte

solution for at least 1 hour before taking measurements.

Keyboard for AD1030

FRONT AND REAR PANELS

1. HOLD key, to freeze the stable reading on the LCD

2. Numerical keys only

3. ON/OFF key, to turn the instrument ON and OFF

4. Right arrow key, to toggle between parameters

while in SETUP mode (forwards), to toggle between

absolute mV and temperature while in relative mV

mode and between pH buffer and temperature while

in pH calibration mode

For refillable electrodes:

If the filling solution (electrolyte) is more than 2.5 cm

below the fill hole, add A7071Selectrolyte solution.

For faster response, unscrew the fill hole screw during

measurements.

STORAGE PROCEDURE

To minimize clogging and assure a quick response time,

the glass bulb and the junction of the pH electrode should

be kept moist and not allowed to dry out.

Replace the solution in the protective cap with a few

drops of A7071Selectrolyte solution.

NEVER STORE THE ELECTRODE IN DISTILLED

OR DEIONIZED WATER.

PERIODIC MAINTENANCE

Inspect electrode and cable. The cable used for con-

nection to the instrument must be intact and there must

be no points of broken insulation on the cable or cracks

on the electrode stem or bulb. Connectors must be per-

fectly clean and dry. If any scratches or cracks are

present, replace the electrode. Rinse off any salt depos-

its with water.

For refillable electrodes:

5. Up arrow key, to manually increase temperature

value or other parameters

6. CLEAR key, to clear calibration data

7. RANGE key, to select measurement unit or switch

focused data

8. SHIFT key, to activate the second function key

9. NUM LOCKkey, to active numerical keys (0 to 9, ±)

10. Down arrow key, to manually decrease tempera-

ture value or other parameters

11. CFM key, to confirm values

12. CAL/SETUP key, to enter/exit calibration mode and

to enter/exit SETUP mode

13. Left arrow key,to togglebetweenparameterswhile

in SETUP mode (backwards), to toggle between ab-

solute mV and temperature while in relative mV

mode and between pH buffer and temperature while

in pH calibration mode

Note:To select second function, press first SHIFT and

then the desired key. The SHIFT tag will appear

on the LCD until the desired key is pressed.

To leave second function mode, press SHIFT

again.

pH ELECTRODE CONDITIONING &

MAINTENANCE

PREPARATION PROCEDURE

Remove the pH electrode protective cap. DO NOT BE

ALARMED IF SALT DEPOSITS ARE PRESENT.

This is normal with electrodes and they will disappear

when rinsed with water.

During transport, tiny bubbles of air may form inside the

glass bulb affecting proper functioning of the electrode.

These bubbles can be removed by “shaking down” the

electrode as you would do with a glass thermometer.

If the bulb and/or junction are dry, soak the electrode in

A7071S electrolyte solution for at least one hour.

1. HOLD key, to freeze the stable reading on the LCD

2. Numerical keys only

3. ON/OFF key, to turn the instrument ON and OFF

4. Right arrow key, to toggle between parameters

while in SETUP mode (forwards), to toggle between

absolute mV and temperature while in relative mV

mode and between pH buffer and temperature while

in pH calibration mode

Keyboard for AD1040 and AD1200

ANALOG OUTPUT

For the full range of each measurement, the analog out-

put varies from - 2000 to 2000 mV.

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