PST MICHELL Instruments MDM300 User manual
MDM300 I.S.
Advanced Dew-Point Hygrometer
User Manual
97213 Issue 6.4
February 2023
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© 2023 Michell Instruments
This document is the property of Michell Instruments Ltd and may not be copied or
otherwise reproduced, communicated in any way to third parties, nor stored in any Data
Processing System without the express written authorization of Michell Instruments Ltd.
MDM300 I.S.
Advanced Dew-Point Hygrometer
(for use in hazardous areas)
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MDM300 I.S. User Manual
Contents
1
3
5
5
5
5
5
7
8
9
9
9
12
12
12
12
13
17
18
18
18
21
22
23
25
27
28
29
31
32
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MDM300 I.S. User Manual
35
39
Appendices
51
51
51
51
52
52
52
58
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MDM300 I.S. User Manual
Figures
Tables
12
21
22
25
29
32
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MDM300 I.S. User Manual
Safety
!
Electrical Safety
NOTE: No battery charger unit other than that supplied with the instrument should be
used.
NOTE: Do not allow the battery to fully discharge.
NOTE: The Um value is less than 250V and must only be connected to a source complying
with IEC6050 series, IEC 61010-1 or equivalent standard.
!
Pressure Safety
!
Toxic Materials
Repair and Maintenance
Calibration
Safety Conformity
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MDM300 I.S. User Manual
Abbreviations
W
Warnings
Where this hazard warning symbol appears in the following
sections it is used to indicate areas where potentially
hazardous operations need to be carried out.
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MDM300 I.S. User Manual
1
INTRODUCTION
1 INTRODUCTION
° °
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MDM300 I.S. User Manual
2
INTRODUCTION
Figure 1
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