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HI 2221
Hanna Instruments HI 2221 User Manual
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28
•
When the reading is stable and close to the
selected calibration point, “
READY
” tag will
appear and “
CFM
” tag will blink.
•
Press
CFM
to confirm. The instrument returns to
measurement mode.
Note
:
If the reading is not close to the selected calibration point,
“
WRONG
” tag will blink. Change the temperature probe and
restart calibration.
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27
29
Table of Contents
Table of Contents
2
Warranty
2
Preliminary Examination
3
General Description
3
Functional Description
4
Hi 2221 Specifications
5
Hi 2223 Specifications
6
Operational Guide
7
Ph CALIBRATION
9
Enhanced Calibration Messages
14
Electrode Condition & Electrode Response Time
16
Ph BUFFER TEMPERATURE DEPENDENCE
17
Good Laboratory Practice (Glp)
18
Logging
21
Setup
24
TEMPERATURE CALIBRATION (for Technical Personnel Only)
27
MV CALIBRATION (for Technical Personnel Only)
29
Pc Interface
30
Electrode Conditioning & Maintenance
34
Troubleshooting Guide
37
TEMPERATURE CORRELATION for Ph SENSITIVE GLASS
38
Accessories
39
Recommendations for Users
43
4
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Hanna Instruments HI 2221 Specifications
General
Brand
Hanna Instruments
Model
HI 2221
Category
Measuring Instruments
Language
English
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