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Vaisala HMP364 Manuals
Manuals and User Guides for Vaisala HMP364. We have
1
Vaisala HMP364 manual available for free PDF download: User Manual
Vaisala HMP364 User Manual (67 pages)
Transmitters for Hazardous Areas
Brand:
Vaisala
| Category:
Transmitter
| Size: 2.46 MB
Table of Contents
Table of Contents
3
Chapter 1 General Information
6
Safety
6
ESD Protection
6
Version Information
7
Warranty
7
Chapter 2 General
8
Output Quantities
8
Probe Options
8
Maintenance
9
Compliance with the Requirements
10
European Requirements
10
US Requirements (FM)
10
Canadian Requirements (CSA)
10
Australian Requirements (Testsafe)
10
Chapter 3 Installation
11
General Instructions
11
Mounting the Probe Cable in Gas Group IIC Spaces
11
Selecting a Place for the Transmitter
11
Temperature Differences
12
Checking the Temperature Reading
12
Mounting the Transmitter
13
Mounting the Probes
14
The HMP362 - Small Pressure-Tight Probe
14
The HMP363 Probe for Confined Spaces
15
The HMP365 Probe for High Temperatures
16
HMP364 for Pressurized Spaces
16
The HMP368 Probe for Measuring Humidity in Pressurized Pipelines or Moisture in Liquids
19
Tightening the Clasp Nut
20
Installing the Probe through the Ball Valve Assembly
21
Chapter 4 Electrical Connections
23
Installation in Hazardous Locations
24
US and Canadian Requirements
24
European Requirements
24
Maximum Load Calculation for the Barrier
24
HMT360 Connected to a Galvanic Isolator
25
HMT360 Connected to a Zener Barrier
26
Examples of Connections
27
Grounding
28
Chapter 5 Operation
29
HMT360 with Display
29
HMT360 Without Display
29
Dip Switch Functions
30
Chapter 6 Operation Errors
32
Cleaning the Sensor from Glycol in a Natural Gas Application
32
Chapter 7 Display/Keypad Commands
34
Setting the Pressure for Calculations
34
Selecting the Output Quantities
35
Upper Half of the Display
35
Lower Half of the Display
35
Selecting the Analog Outputs
35
Scaling the Analog Outputs
37
Chapter 8 Serial Interface
38
Serial Communication Settings
38
Selecting the Analog Outputs
39
Scaling the Analog Outputs
40
Adjustment Commands
40
Relative Humidity Adjustment
40
Temperature Adjustment
41
Analog Output Calibration
41
Output Commands
42
Testing the Analog Outputs
42
Outputting the Measurement Values
42
Activating a Continuous Output
42
Stopping the Continuous Output
43
Setting the Output Interval
43
Setting the Ambient Pressure for Calculations
43
Chapter 9
44
Measuring at Overpressure
44
Pressure Regulator Recommended
44
Chapter 10 Calibration and Adjustment
45
Calibration Interval
45
Factory Calibration and Adjustment
45
Calibration and Adjustment by the User
45
Calculating the Correspondence of Current Values and Output Quantities
47
Relative Humidity Calibration
48
Automatic Two-Point Calibration (Only with HMT360 with Display)
48
Manual Calibration
50
Low End Adjustment
50
High End Adjustment (Two-Point Calibration)
50
Temperature Calibration in One Point
51
Chapter 11 Specifications
52
Performance
52
Dewpoint Measurement
52
Relative Humidity
52
Calculated Variables Available (Typical Ranges)
53
Outputs
54
Classification with Current Outputs
54
General
55
Probes
56
Options and Accessories
56
Accuracies of the Calculated Variables (Not Valid with Hmt360 for Natural Gas)
57
Appendix 1: Dimensions
59
Hmt361
59
Hmp362
59
Hmp363
60
Hmp364
60
Hmp365
60
Hmp368
60
Mounting Plate
61
Rain Shield
61
Protection Cover
62
Appendix 2: Wiring for Intrinsically Safe Operation, Fm
63
Appendix 3: Wiring for Intrinsically Safe Operation, Csa
64
Certificates
65
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