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Vaisala HPP272 User Manual
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‣
Chemical Purge (page 11)
‣
T
riggering Purge in Analog Mode (page 27)
8.2 Calibr
ation and A
djustment
The probe is fully calibr
ated and adjusted as shipped fr
om the factory
. A typical calibration
interv
al is 1 year
, depending on how frequently and long y
our probe is exposed t
o vaporized
H
2
O
2
.
Calibration and adjus
tment is performed by V
aisala. For contact information, visit
www
.
vaisala.
com/
calibration
.
Chapter 8 – Maintenanc
e
35
36
38
Table of Contents
Default Chapter
3
Table of Contents
3
1 About this Document
7
Version Information
7
Related Manuals
7
Documentation Conventions
7
Table 1 Document Versions
7
Table 2 Related Manuals
7
Trademarks
8
Patent Notice
8
Table 3 Applicable Patents or Applications
8
2 Product Overview
9
Introduction to HPP272
9
Figure 1 HPP272 Probe Parts
9
Basic Features and Options
10
Safety
10
ESD Protection
11
Measured Parameters
11
Table 4 Available Parameters
11
Figure 2 Effect of H 2 O and H 2 O 2 on Relative Saturation (RS) and Relative Humidity (RH)
12
Understanding Relative Humidity and Relative Saturation
12
Probe Filter
13
Chemical Purge
13
Environmental Compensation for Pressure
14
Measurement Filtering Factor
14
Connectivity to Vaisala Insight Software
14
Additional Features with Indigo Transmitters
15
3 H 2 O 2 Measurement
16
Operating Principle of H Measurement
16
Figure 3 Operating Principle of PEROXCAP Measurement
17
Typical Applications
18
Figure 4 Example Behavior of H Concentration, Relative Saturation (RS), and Relative Humidity (RH) in a Vaporized H Bio-Decontamination Cycle (Non- Condensing Conditions)
19
Condensation Monitoring
20
Figure 5 Example: RS Behavior in Different Temperatures When
20
Figure 6 Decontaminated Space with Different Temperatures and RS Levels (H and H O Concentration Evenly Distributed)
21
4 Installation
22
Wiring
24
Figure 7 Probe M12/5 Pins
24
Power Supply
25
Setting Probe in Analog or Digital Mode
25
Figure 8 Wiring Example for Connecting HPP272 to a PLC in Analog Mode
25
Figure 9 Pins on the M12 Male Connector
26
5 Operation
27
Probe Start-Up
27
Behavior at Exposure to H
27
H 2 O 2 Concentration Reading When Not Exposed to H 2 O 2
27
Modbus
28
Operation in Analog Mode
28
Analog Output Overrange Behavior
28
Triggering Purge in Analog Mode
29
6 Vaisala Insight Software
30
Connecting to Insight Software
30
Figure 10 Connecting Probe to Insight
30
7 Using Probe with Indigo Transmitters
31
Indigo Overview
31
Wireless Configuration Interface Overview
32
Attaching Probes
33
Figure 11 Attaching Probes to Indigo
33
Connecting to Wireless Configuration Interface
34
Figure 12 Enabling and Accessing Indigo's Wireless Configuration Interface
34
Logging in to Wireless Configuration Interface
35
Figure 13 Indigo Login View
35
8 Maintenance
36
Cleaning the Probe
36
Chemical Tolerance
36
Calibration and Adjustment
37
9 Troubleshooting
38
Problems and Their Possible Solutions
38
Analog Output Error State
42
10 Technical Data
43
Table 5 Measurement Performance
43
Table 6 Inputs and Outputs
44
Dimensions
45
Figure 14 HPP272 Dimensions
45
Table 7 Mechanical Specifications
45
Table 8 Operating Environment
45
Accessories
46
Table 9 Spare Parts and Accessories
46
Appendix A: Modbus Reference
47
Default Communication Settings
47
Function Codes
47
Data Encoding
47
32-Bit Floating Point or Integer Format
47
Table 10 Default Modbus Serial Communication Settings
47
Table 11 Modbus Function Codes
47
16-Bit Integer Format
48
Modbus Registers
48
Table 12 16-Bit Signed Integer Format Details
48
Measurement Data Registers
49
Table 13 Modbus Measurement Data Registers (Read-Only)
49
A.4.2 Configuration Registers
50
Configuration Registers
50
Table 14 Modbus Configuration Data Registers (Writable)
51
A.4.3 Status Registers
56
Status Registers
56
Table 15 Modbus Status Registers (Read-Only)
56
Table 16 Error Codes in Register 0201
57
Hex (32-Bit)
57
Device Identification Objects
58
Table 17 Error Codes in Register 0203 Hex (32-Bit)
58
Table 18 Device Identification Objects
58
Test Value Registers
59
Table 19 Test Value Registers
59
Modbus Communication Examples
60
Warranty
63
Technical Support
63
Recycling
63
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Vaisala HPP272 Specifications
General
Brand
Vaisala
Model
HPP272
Category
Measuring Instruments
Language
English
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