Vaisala DRYCAP DMT143 User's Guide download pdf (Page 26)

USER'S GUIDE ____________________________________________________________________

24 ___________________________________________________________________ M211435EN-E

Figure 11 below shows a typical duty cycle during sensor purge at room

temperature with 24 VDC supply voltage. Sensor purge current varies

with supply voltage and operating temperature. The peak value is the

highest in the lowest temperature.

1203-129

Figure 11 Example of Current Consumption During Purge

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 75 76

USER'S GUIDE 1
Table of Contents 3
CHAPTER 6 5
CHAPTER 7 5
CHAPTER 8 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 10
Trademarks 10
License Agreement 10
Warranty 10
PRODUCT OVERVIEW 11
Basic Features and Options 12
Transmitter Parts 13
Model with NPT Thread 14
Loop-Powered Display 15
Connection Cables 16
Sampling Accessories 16
FUNCTIONAL DESCRIPTION 17
Sensor Purge 18
Freezing Conditions 18
DMT143 Startup Sequence 19
Alarm LED 20
INSTALLATION 21
Selecting the Location 22
Installing the Transmitter 22
1202-123 23
1202-124 23
Power Supply Requirements 25
1203-129 26
Sampling from a Process 28
Connector and Leak Screw 29
0507-105 30
0510-034 32
1202-125 34
1203-051, 1203-052 36
0807-004 39
List of Serial Commands 40
Device Information 41
Show Firmware Version 42
Show Firmware Information 42
Show Currently Active Errors 42
Show Serial Number 42
Show Command List 43
Configuring Analog Output 44
Extend Analog Output Range 46
Test Analog Output 46
Serial Line Output Commands 47
Set Output Interval 48
Output a Reading Once 48
Set Measured Gas Type 51
Set Measurement Filtering 51
Select Unit 53
CAUTION 54
Set Serial Line Settings 55
Set Transmitter Address 56
Other Commands 57
Configure the Alarm LED 58
Show Transmitter Uptime 59
Reset Transmitter 59
Restore Factory Settings 59
MAINTENANCE 61
Changing the Filter 62
Dewpoint Meter 63
1108-039 64
TROUBLESHOOTING 67
Error Messages 68
Unknown Serial Settings 68
Technical Support 69
Product Returns 69
TECHNICAL DATA 71
Dewpoint temperature (°C) 72
Table 17 General 73
Spare Parts and Accessories 74
NPT1/2" 75
*M211435EN* 76

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Vaisala DRYCAP DMT143 User's Guide Page 26

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