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HUMICAP HMT360 SERIES
Vaisala HUMICAP HMT360 SERIES User Manual
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USER’S GUIDE
Vaisala HUMICAP® Humidity and
Temperature Transmitter Series HMT360
M010056EN-I
2
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 General Information
11
About this Manual
11
Contents of this Manual
11
Version Information
12
Related Manuals
12
Table 1 Manual Revisions
12
Table 2 Related Manuals
12
Documentation Conventions
13
Safety
13
ESD Protection
14
Recycling
14
Regulatory Compliances
15
EU Declaration of Conformity
15
Certifications
15
Trademarks
16
License Agreement
16
Warranty
16
Chapter 2 Product Overview
17
Introduction to HMT360
17
Figure 1 HMT360 and Probe Types
17
Output Quantities
18
Table 3 Output Quantities for HMT360
18
Probe Options
19
Figure 2 Probe Options for HMT360
19
Chapter 3 Installation
21
General Installation Instructions
21
Mounting the Probe Cable in Gas Group IIC Spaces
21
Selecting Location
22
General Instructions for Probes with Cable
22
Figure 3 Horizontal Mounting of Probe
22
Figure 4 Vertical Mounting of Probe
23
Checking the Temperature Reading
24
Figure 5 Measurement Error at 100 %RH
24
Mounting the Transmitter Housing
25
Figure 6 Transmitter Mounting
25
Probe Mounting
26
Figure 7 Parts of the Transmitter
26
Figure 8 Installation of HMP363 Probe in Duct with Flange and Supporting Bar
27
HMP363 for Confined Spaces
27
HMP363/365/367 Duct Installation Kit
27
HMP364 for High-Pressure Applications
28
Figure 10 Marking Nut and Fitting Screw
29
Figure 9 HMP364 Probe Mounting
29
Figure 11 Cleaning the Tightening Cone
30
Figure 12 Mounting HMP365 Probe in Duct or Channel
31
HMP365 for High Temperatures
31
HMP367 for High Humidities
31
Figure 13 HMP368 Probe
32
HMP368 for Pressurized Pipelines or Moisture in Liquids
32
Figure 14 Sealing of Fitting Body into Process
33
Table 4 HMP368 Probe Dimensions
33
Tightening the Clasp Nut
33
Figure 15 Tightening the Clasp Nut
34
Installing the HMP368 Probe through a Ball Valve Assembly
34
Figure 16 Installing the HMP368 Probe through a Ball Valve Assembly
35
Electrical Connections
37
Installation in Hazardous Locations
38
CATEGORY 1 (Zone 0)
38
CATEGORY 2 or 3 (Zone 1 or 2)
38
European Requirements
38
US and Canadian Requirements
38
Maximum Cable Resistance Calculation for the Barrier
39
Figure 17 HMT360 Connected to Galvanic Isolator
41
HMT360 Connected to a Galvanic Isolator
41
Figure 18 HMT360 Connected to a Zener Barrier
42
HMT360 Connected to a Zener Barrier
42
Examples of Connections
43
Figure 19 STAHL 9160/13-11-11 (Galvanic Isolator)
43
Figure 20 STAHL 9001/51-280-091-141 (Zener Barrier)
43
Figure 21 Grounding
44
Grounding
44
Chapter 4 Operation
45
Local Interface
45
Figure 22 Local Display/Keypad Interface
45
HMT360 with Display
46
HMT360 Without Display
46
Power ON/OFF
46
DIP Switch Functions
47
Figure 23 DIP Switch Functions
47
Display/Keypad Commands
48
Selecting Output Quantities
48
Setting the Pressure for Calculations
48
Upper Half of Display
48
Lower Half of Display
49
Scaling Analog Outputs
50
Selecting Analog Outputs
50
Serial Interface
52
Serial Communication Settings
52
Table 5 Serial Communications Settings
52
Setting the Analog Outputs
53
ASEL Selecting Analog Outputs
53
S Scaling Analog Outputs
54
Adjustment Commands
54
CRH Relative Humidity Adjustment
54
CT Temperature Adjustment
55
Output Commands
55
ITEST Testing Analog Outputs
55
INTV Setting Output Interval
56
R Activating Continuous Output
56
S Stopping Continuous Output
56
SEND Outputting Measurement Values
56
PRES Setting Ambient Pressure for Calculations
57
Table 6 Pressure Conversion Chart
57
FILT Output Filtering
58
Resetting the Transmitter
58
RESET Transmitter Reset
58
Measuring at Overpressure
59
Chapter 5 Measuring at Overpressure
59
Pressure Regulator Recommended
59
Chapter 6 Calibration and Adjustment
61
User Calibration and Adjustment
61
Calibration Interval
61
Factory Calibration and Adjustment
61
Removing the Electronics Unit
62
Figure 24 Detaching the Electronics Unit with Probe for Calibration
62
Connections
63
Figure 25 Connecting Power Supply and Multimeter for Calibration
63
Calculating Correspondence of Current Values and Output Quantities
64
Relative Humidity Adjustment
65
Automatic Two-Point Adjustment (Only HMT360 with Display)
65
Figure 26 Display Chart of the Automatic Adjustment Procedure
66
Manual Adjustment
67
Low End Adjustment (HMT360 Without Display)
67
High End Adjustment (HMT360 Without Display)
68
Low End Adjustment (HMT360 with Display)
68
High End Adjustment (HMT360 with Display)
69
One-Point Temperature Adjustment
69
ACAL Analog Output Calibration
70
Chapter 7 Maintenance
71
Periodical Checking and Cleaning
71
Transmitter Housing and Probe
71
Chapter 8 Troubleshooting
73
Diagnostics
73
Operation Errors
73
Analog Output Test
73
Technical Support
74
Product Returns
74
Chapter 9 Technical Data
75
Performance
75
Relative Humidity
75
Table 7 Relative Humidity Specifications
75
Temperature (+ Operating Pressure Ranges)
76
Figure 27 Accuracy over Temperature Range
76
Table 8 Temperature Specifications
76
Water Activity in Jet Fuel Applications
77
Calculated Variables (Typical Ranges)
77
Table 10 HMP361 Calculated Variables Specifications
77
Table 11 HMP363, HMP364, HMP365, HMP367& HMP368 Probes Calculated Variables Specifications
77
Table 9 Water Activity in Jet Fuel Applications Specifications
77
With HMP361 Probe
77
With HMP363, HMP364, HMP365, HMP367 and HMP368 Probes
77
Outputs
78
General
78
Table 12 Output Specifications
78
Table 13 General Specifications
78
Classification with Current Outputs
79
Options and Accessories
80
Table 14 Options and Accessories
80
Accuracy of Calculated Variables
83
Accuracy of Dewpoint Temperature °C
83
Accuracy of Mixing Ratio G/Kg
83
Accuracy of Wet Bulb Temperature °C
84
Accuracy of Absolute Humidity G/M3
84
Appendix Adimensions
85
Hmp361
85
Hmp363
86
Hmp364
86
Hmp365
86
Hmp367
87
Hmp368
87
Mounting Plate
88
Rain Shield
88
Protection Cover
89
Appendix B
91
Wiring for Intrinsically Safe Operation, Fm
91
Appendix C
93
Wiring for Intrinsically Safe Operation, Csa
93
Appendix Dcertificates
95
Figure 28 VTT Iecex Certificate
96
Figure 29 VTT Iecex Certificate
97
Figure 30 VTT Iecex Certificate
98
Figure 31 VTT Iecex Certificate
99
Figure 32 VTT ATEX 028X Certificate
100
Figure 33 VTT ATEX 028X Certificate
101
Figure 34 VTT ATEX 028X Certificate Schedule
102
Figure 35 VTT ATEX 023X Certificate
103
Figure 36 VTT ATEX 023X Certificate
104
Figure 37 FM Certificate of Compliance
105
Figure 38 FM Certificate of Compliance
106
Figure 39 FM Certificate of Compliance
107
Figure 40 CSA Certificate of Compliance
108
Figure 41 TIIS Certificate of Compliance
109
Figure 42 PCEC Conformity Certificate
110
Figure 43 GOST Certificate of Conformity
111
Figure 44 GOST Certificate of Conformity
112
Figure 45 GOST Certificate of Conformity
113
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Vaisala HUMICAP HMT360 SERIES Specifications
General
Brand
Vaisala
Model
HUMICAP HMT360 SERIES
Category
Transmitter
Language
English
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