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HI6421
Hanna Instruments HI6421 User Manual
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Hanna Instruments Inc.
, 584 P
ark East Drive, Woonsocket, RI 02895 USA
www.hannainst.com
INSTR
UCTION M
AN
UAL
H
I6
421
Adva
nced Dissolv
ed Ox
ygen
Benchtop Meter
2
Table of Contents
Table of Contents
2
Preliminary Examination
3
Safety Measures
3
User Interface - Icons
4
General Description & Intended Use
6
Main Features
7
Specifications
8
Instrument
8
Optical Probe (HI7641133)
10
Polarographic Probe (HI764833)
11
Functional & LCD Description
12
Main Unit
12
Probes
14
Getting Started
15
Attaching the Holder
15
Using the Adapter
16
Using the Holder
18
Connecting the Probe, Keyboard, Printer
18
Language and Regional Preferences
19
Basic Operations
19
System Menu Items
20
Users
20
System Settings
24
Measurement Settings
30
Log Recall
31
Help
38
Measurement & Probe Setup Menu
39
Calibration
39
Reading
40
Temperature
41
View
42
Alarms
45
Logging
46
Profiles
47
Calibration
48
Probe Preparation
48
DO Calibration
50
Pressure Compensation
52
Salinity Compensation
52
Measurement
52
Guidelines
52
Measurement Tips
53
Direct Readings
53
Direct/Autohold Readings
54
Logging
54
Automatic Logging
55
Manual Logging
56
Autohold Logging
57
Maintenance
58
Benchtop General Cleaning
58
Optical Probe (HI7641133)
58
Polarographic Probe (HI764833)
60
Error Messages
61
Abbreviations
62
Accessories
62
Certification
63
Recommendations for Users
63
Warranty
63
Regulatory Notices for the Wi-Fi Module
64
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Hanna Instruments HI6421 Specifications
General
Brand
Hanna Instruments
Model
HI6421
Category
Measuring Instruments
Language
English
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