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Vaisala HUMICAP HMP155D manual available for free PDF download: User Manual
Vaisala HUMICAP HMP155D User Manual (102 pages)
Humidity and Temperature Probe
Brand:
Vaisala
| Category:
Accessories
| Size: 1.45 MB
Table of Contents
Table of Contents
3
1 About this Document
9
Version Information
9
Related Manuals
9
Documentation Conventions
9
Table Document Versions
9
Table 2 Related Manuals
9
Trademarks
10
Patent Notice
10
2 Product Overview
11
Vaisala HUMICAP Humidity and Temperature Probe HMP155
11
HMP155 Models
11
Table 3 HMP155 Models
11
Humidity Sensor Options
12
Table 4 Humidity Sensors
12
Table 5 Humidity Sensor Types
12
Features and Options
13
Table 6 Analog Output Options
13
Table 7 Models and Available Features
13
Table 8 Heating Options
13
Table 9 Accessories
14
HMP155 Parts
15
Heating Options
15
Figure 1 HMP155 Parts
15
Table 10 Heating Options
15
Chemical Purge Option
16
Warmed Probe Option
16
Figure 2 Decrease of Sensor Gain
17
Extra Sensor Heating (Xheat) Option
18
Additional Temperature Probe Option
19
Figure 3 HMP155 with Additional T-Probe
19
Connection Cover Option
20
Safety
20
Figure 4 HMP155 with Optional Connection Cover
20
ESD Protection
21
Regulatory Compliances
21
3 Installation
22
Mounting in Radiation Shields
22
Mounting HMP155 and DTR13 on Horizontal Sensor Support Arm
22
Table 11 Radiation Shields
22
Figure 5 HMP155 and DTR13 Installation Accessories
23
Mounting HMP155 Inside Radiation Shield DTR503A
26
Figure 6 HMP155 and DTR503A Installation Accessories
27
Installation in Stevenson Screen
32
Installing HMP155
33
Figure 7 HMP155 with T-Probe Installed in Stevenson Screen
33
Wiring HMP155
34
8-Pin Connector
34
Table 12 Vaisala Cables 223283, 220496, 220497, 220498
34
Figure 8 Wiring of HMP155 8-Pin Connector
35
Table 13 Wiring of HMP155 8-Pin Connector
35
Figure 9 HMP155D Block Diagram and Wiring
36
Temporary RS-485 Connection Option
37
Figure 10 HMP155A/E Block Diagram and Wiring
37
4 Operation
38
Interface
38
Serial Line Communication
38
Table 14 Default Serial Communication Settings
38
Connecting HMP155 with Putty Terminal Software
39
Installing Driver for USB Cable
39
HMP155 Commands
41
Table 15 Measurement Commands
42
Table 16 Formatting Commands
42
Table 17 Chemical Purge Commands
42
Table 18 Calibration and Adjustment Commands
42
Table 19 Analog Output Commands
43
Table 20 Other Commands
43
Measurement Commands
44
R Command
44
S Command
44
INTV Command
44
SEND Command
45
SMODE Command
45
Table 21 Output Modes
45
OPEN Command
46
CLOSE Command
46
SDELAY Command
46
SERI Command
47
ADDR Command
47
Formatting Commands
48
FORM Command
48
Table 22 Quantities Measured by HMP155
49
Table 23 Quantities Calculated from Measured Quantities
49
Table 24 FORM Command Modifiers
49
TIME Command
51
Table 25 Symbols in FORM Checksum Equations
51
UNIT Command
52
Chemical Purge Commands
52
PUR Command
52
Extra Sensor Heating (Xheat) Commands
53
XHEAT Command
53
Analog Output Configuration Commands
54
Command
55
AMODE Command
55
Table 26 Analog Output Modes
55
ASEL Command
56
Table 27 Quantities Measured by HMP155
56
Table 28 Quantities Calculated from Measured Quantities
56
AERR Command
57
ATEST Command
58
Pressure Compensation Commands
59
PRES and XPRES Commands
59
System Commands
59
Command
60
ERRS Command
60
FILT Command
61
HELP Command
61
VERS Command
62
RESET Command
63
5 Maintenance
64
HMP155 Maintenance
64
Cleaning
64
Changing HMP155 Probe Filter
64
Changing HUMICAP Sensor
65
Figure 11 Changing INTERCAP/HUMICAP180R/HUMICAPR2 Sensors
66
Errors
67
Table 29 HMP155 Error Messages
67
6 Calibration and Adjustment
68
Overview
68
Push-Button Calibration
69
Figure 12 HMP155 Adjustment Buttons
69
Performing Two-Point Humidity and Temperature Adjustment
70
Performing One-Point Humidity and Temperature Adjustment
71
Passive Output Version Push-Button Calibration
72
Serial Line Calibration
72
Two-Point Humidity Adjustment
72
Two-Point Temperature Adjustment
73
One-Point Humidity and Temperature Adjustment
74
Adjusting and Calibrating Relative Humidity after Sensor Change
74
User Adjustment Commands
75
L Command
76
LI Command
76
CT Command
77
CTA Command
77
CRH Command
78
FCRH Command
78
Typing Calibration Information
78
CTEXT Command
78
CDATE Command
79
Analog Output Adjustment
79
ACAL Command
79
Calibrating and Adjusting with MI70
80
7 Technical Data
82
Measuring Specifications
82
Table 30 Humidity Measurement Performance
82
Table 31 Temperature Measurement Performance
82
Figure 13 HMP155 Accuracy over Temperature Range: Voltage and RS-485
83
Table 32 Dew Point Calculation Specifications
83
Table 33 Quantities Measured by HMP155
83
Environmental Specifications
84
Accuracy of Calculated Variables
84
Table 34 Quantities Calculated from Measured Quantities
84
Table 35 Operating Environment
84
Accuracy of Dew Point Temperature °C
85
Accuracy of Mixing Ratio G/Kg (Ambient Pressure 1013 Mbar)
85
Accuracy of Wet Bulb Temperature °C
85
Accuracy of Dewpoint Measurement
86
Inputs and Outputs
86
Figure 14 Accuracy of Dewpoint Measurement
86
Table 36 Inputs and Outputs
86
Mechanical Specifications
87
Options and Accessories
87
Table 37 Mechanical Specifications
87
Table 38 Options and Accessories
87
Dimensions
89
HMP155 Dimensions
89
Additional Temperature Probe Dimensions
89
Figure 15 Dimensions
89
Figure 16 Additional T-Probe Dimensions
89
Radiation Shield Dimensions
90
Figure 17 DTR503 and DTR13 Dimensions
90
Appendix A: Calculation Formulas
91
Index
95
Technical Support
99
Warranty
99
Product Returns
99
Recycling
99
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