Vaisala HUMICAP MMT162 User's Guide download pdf (Page 16)

User's Guide _______________________________________________________________________

14 ___________________________________________________________________ M210934EN-D

0510-029

Figure 2 Water Solubility of Transformer Oils versus

Temperature

The margins show the range of variation of water solubility found in

mineral oils.

WATER SOLUBILITY IN MINERAL TRANSFORMER OIL

100

1000

10000

0 10 20 30 40 50 60 70 80 90 100

Temperature (°C)

average water

solubility

range of

variation due to

oil type

range of

variation due to

oil type

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 74 75

USER'S GUIDE 1
Table of Contents 3
CHAPTER 5 4
CHAPTER 6 5
CHAPTER 7 5
APPENDIX A 5
List of Figures 6
List of Tables 6
GENERAL INFORMATION 7
Version Information 8
Related Manuals 8
Documentation Conventions 8
Recycling 9
Regulatory Compliances 9
Trademarks 10
License Agreement 10
Warranty 10
PRODUCT OVERVIEW 11
Basic Features and Options 12
Transmitter Structure 13
Typical Applications 14
Transformer Oil 15
Temperature 16
INSTALLATION 17
CAUTION 18
Wiring 19
Connection Cables 20
Power Supply Requirements 21
OPERATION 22
Limit Alarm 23
Serial Communication 24
Terminal Program Settings 26
0807-004 27
List of Serial Commands 28
Show Device Information 29
Show Firmware Version 29
Set Serial Line Settings 30
Set Transmitter Address 31
Format Measurement Output 32
Select Unit 34
Set Serial Interface Mode 35
Scaling 36
Calibrate Analog Output 37
Channels 37
Analog Outputs 38
Serial Line Output Commands 39
Stop Measurement Output 40
Set Output Interval 40
Output Reading Once 40
Troubleshooting Commands 41
Other Commands 42
Display Command List 43
Reset Transmitter 45
Restore Factory Settings 45
Modbus Communication 46
MMT162 ppm Conversion for 48
Transformer Oils 48
Coefficients 48
1TPPMLOGB 51
MAINTENANCE 52
Changing the Filter 53
Changing the Sensor 53
Error States 53
Unknown Serial Settings 54
Technical Support 55
Product Returns 55
CALIBRATION AND ADJUSTMENT 56
Adjustment Points 57
Adjustment Procedures 58
Reference Probe 58
Reference Environment 60
Analog Output Adjustment 66
TECHNICAL DATA 67
Operating Environment 68
Inputs and Outputs 68
Mechanics 68
Spare Parts and Accessories 69
Dimensions in mm (inches) 70
0804-085 71
MODBUS REFERENCE 72
Modbus Register Map 73
*M210934EN* 75

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