ELMETRON CP-411 User Manual
WATERPROOF
pH-METER
CP-411
USERS MANUAL
Sp. j.
41-814 Zabrze, ul. Witosa 10, POLAND
tel. +48 32 / 273 8106, tel./fax +48 32 / 2738114
www.elmetron.com.pl
e-mail: info@elmetron.com.pl
WATERPROOF
pH-METER
CP-411
USERS MANUAL
Before use, please read this instruction carefully!
Users manual CP-411 pH meter
W A R R A N T Y
The “ELMETRON” company gives 24 months of
warranty for the CP-411 pH-meter
number.........................................
In case of damage the producer will repair the meter
within 14 days from the day of delivery.
The warranty doesn’t cover the damages caused by
usage not in conformity with the users manual, using
wrong power adapter, mechanical damages and
damages caused by repairs made by unauthorised
persons.
NOTICE: Before sending the meter to us please contact the
firm by phone.
When sending the meter, the used electrode, temperature
probe and power adapter should be also included.
Date of production...........................
Date of sale.....................................
Date of expiry..................................
Sp. j.
41-814 Zabrze - Grzybowice ul. Witosa 10
tel. (+48) 32 2738106, fax (+48) 32 2738114
POLAND
Users manual CP-411 pH meter
CONTENTS
1. Exploitation notices 2
2. The characteristics of the pH-meter CP-411 3
3. What is the meter designed for? 4
4. Outside view 5
5. Switching the meter ON and OFF 7
6. Preparation to work 8
7. Preparation of the pH electrode 9
8. Calibration of the pH electrode 10
8.1 Calibration with automatic temperature compens. 11
8.2 Calibration with manual temperature compens. 12
9. pH Measurement 13
9.1 Measurement with automatic temp. compensation 13
9.2 Measurement with manual temp. compensation 14
10. Notices about the temp. compensation and
interpretation of the pH measurement results 15
11. Temperature measurement 18
12. Freezing the result on the display 18
13. Power source and changing the battery 19
14. Equipment 19
15. Technical Data 20
Users manual CP-411 pH meter
- 21 -
- 2 -
1. EXPLOITATION NOTICES
Dear User!
We present you a device distinguished by accuracy according
to the technical data and by a high stability of the displayed
results. We believe that the measurements will not cause you
any trouble and that the pH-meter will operate without any
inconvenience. Before starting the measurements please
read this manual carefully in other case using the meter
may cause you a troubles.
The employing of good-quality electrodes and their replacing
after a suitable time ensures obtaining of high measuring
parameters. We want to call your attention to the fact, that
electrodes have a much shorter working life than the pH-meter.
During the operation the electrodes have a major impact on the
measurement quality. Typical symptoms of an improper
operation of the electrode are deterioration of final result
stability, its flowing as well as a higher measuring error. Part of
the users has problems, arising from employing electrodes
not being preconditioned before the measurement or
making the measurements without removing the shielding
ring from the liquid junction or taking measurements with
a plugged junction. This situation can take place in case of
using electrode improper for the measured solution, ex.
Standard electrode for the sewage or liquids with deposits
measurements. Such measurements require using special
electrode for sewage, the situation is similar with meat, cheese,
soil etc. The application of an improper electrode can make the
measurement difficult or impossible, even after a very short
time. Therefore, if you observe improper operation of the device,
please take control measurements with another electrode or
check the used electrode with another pH-meter. Generally the
deterioration of pH-meter work is caused by the electrode
and not by the pH-meter.
The essential feature of our products is their low failure
frequency. However if your pH-meter will fail, our firm
immediately performs its warranty repair.
We wish to you a pleasant and trouble-free work with our meter.
Users manual CP-411 pH meter
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