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USER'S GUIDE
Vaisala Humidity and Temperature Probes
HMP60 and HMP110 Series
M211060EN-E
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PUBLISHED BY
Vaisala Oyj Phone (int.): +358 9 8949 1
P.O. Box 26 Fax: +358 9 8949 2227
FI-00421 Helsinki
Finland
Visit our Internet pages at www.vaisala.com
© Vaisala 2013
No part of this manual may be reproduced, published or publicly displayed in any form
or by any means, electronic or mechanical (including photocopying), nor may its
contents be modified, translated, adapted, sold or disclosed to a third party without prior
written permission of the copyright holder. Translated manuals and translated portions
of multilingual documents are based on the original English versions. In ambiguous
cases, the English versions are applicable, not the translations.
The contents of this manual are subject to change without prior notice.
This manual does not create any legally binding obligations for Vaisala towards
customers or end users. All legally binding obligations and agreements are included
exclusively in the applicable supply contract or the General Conditions of Sale and
General Conditions of Service of Vaisala.
Page 3
________________________________________________________________________________
Table of Contents
CHAPTER 1
GENERAL INFORMATION ............................................................................ 5
About This Manual ................................................................... 5
Contents of This Manual ....................................................... 5
Version Information ............................................................... 6
Related Manuals ................................................................... 6
Documentation Conventions ................................................. 6
Safety ......................................................................................... 7
ESD Protection ......................................................................... 7
Recycling .................................................................................. 7
Regulatory Compliances ......................................................... 8
Patent Notice ............................................................................ 8
Trademarks ............................................................................... 8
License Agreement .................................................................. 9
Warranty .................................................................................... 9
CHAPTER 2
PRODUCT OVERVIEW ................................................................................ 11
Introduction to HMP60 and HMP110 Series ......................... 11
Basic Features and Options .................................................. 13
Filter Options ....................................................................... 14
Installation Accessories (Optional) ...................................... 15
Probe Mounting Clamp ....................................................... 15
Probe Mounting Flange ....................................................... 17
Plastic Locking Bushing for HMP63 and HMP113 .............. 17
Duct Installation Kit for HMP60, HMP11 0 and HMP110T ... 18
Loop Power Converter ........................................................ 19
Cables ................................................................................. 20
CHAPTER 3
INSTALLATION ............................................................................................ 21
Dimensions for HMP60, HMP110 and HMP110T ................. 21
Dimensions for HMP63 and HMP113 .................................... 22
Mounting the HMP60, HMP110 and HMP110T Probes ........ 23
Probe Assembly with Duct Installation Kit ..................... 23
Drilling Instructions for Duct Installation Kit ................... 24
Mounting the HMP63 and HMP113 Probes .......................... 25
Wiring ...................................................................................... 26
Wiring with the Loop Power Converter ............................... 27
Power Supply Requirements ............................................... 28
Recommendations ......................................................... 28
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CHAPTER 4
OPERATION ................................................................................................. 29
Getting Started ........................................................................ 29
Serial Line Communication ................................................... 29
Connecting to the Serial Interface ....................................... 29
Installing the Driver for the USB Cable ................................ 31
Terminal Application Settings for Probes i n RS-48 5 M ode . 32
Terminal Application Settings for Probes i n A nal og M ode .. 34
List of Serial Commands ....................................................... 35
Device Information and Status .............................................. 36
View Device Information ...................................................... 36
View Calibration Information ............................................... 37
View Order Code ................................................................. 37
View Serial Number ............................................................. 37
View Software Version ........................................................ 38
Serial Line Output Commands .............................................. 38
Start Measurement Output .................................................. 38
Stop Measurement Output .................................................. 38
Output the Measurement Message Once ........................... 39
Configuring Serial Line Operation ........................................ 39
Set Serial Line Settings ....................................................... 39
Set Serial Interface Mode .................................................... 40
Set Output Interval............................................................... 41
Set Measurement Filtering .................................................. 41
Set Probe Address .............................................................. 42
Set Serial Interface Delay .................................................... 42
Set Measurement Units ....................................................... 43
Calibration Commands .......................................................... 44
Calibrate Humidity Measurement ........................................ 44
Clear Adjustment of RH Measurement................................ 45
Calibrate Temperature Measurement ................................. 45
Clear Adjustment of T Measurement ................................... 46
View User Adjustment Parameters ..................................... 46
Other Commands ................................................................... 47
Set Analog Output Mode ..................................................... 47
Set Analog Output Parameters and Scaling ....................... 48
Extend Analog Output Range .............................................. 49
Display Command List ........................................................ 49
Display the Currently Active Errors ..................................... 49
Connect to the Probe in POLL Mode .................................. 50
Close the Connection in POLL Mode .................................. 50
Reset the Probe ................................................................... 50
Restore Factory Settings ..................................................... 51
CHAPTER 5
MAINTENANCE ............................................................................................ 53
Periodic Maintenance ............................................................. 53
Cleaning .............................................................................. 53
Changing the Filter .............................................................. 53
Calibration Procedure ............................................................ 54
Adjustment Procedure (HMP110 and HMP113) ................... 54
One-Point Adjustment of RH Measurement (HMP1 10
and HMP113) ...................................................................... 54
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Two-Point Adjustment of RH Measurement (HMP110
and HMP113) ...................................................................... 56
One-Point Adjustment of T Measurement (HMP110,
HMP113, and HMP110T) .................................................... 57
Repair Maintenance ............................................................... 59
Changing the INTERCAP® Sensor (HMP60 and HMP63) . 59
Changing the HUMICAP® 180R Sensor (HMP1 10 and
HMP113) ............................................................................. 60
CHAPTER 6
TROUBLESHOOTING ................................................................................. 61
Solving Typical Problems ..................................................... 61
Technical Support .................................................................. 62
Product Returns ..................................................................... 62
CHAPTER 7
TECHNICAL DATA ...................................................................................... 63
Specifications ......................................................................... 63
Performance (HMP60 and HMP63) .................................... 63
Relative Humidity ........................................................... 63
Temperature ................................................................... 63
Dewpoint ........................................................................ 63
Performance (HMP110) ...................................................... 64
Relative Humidity ........................................................... 64
Temperature ................................................................... 64
Dewpoint ........................................................................ 64
Performance (HMP113) ...................................................... 65
Relative Humidity ........................................................... 65
Temperature ................................................................... 65
Dewpoint ........................................................................ 65
Performance (HMP110T) .................................................... 65
Temperature ................................................................... 65
Operating Environment ....................................................... 66
Inputs and Outputs .............................................................. 66
Mechanics (HMP60, HMP110 and HMP110T) ................... 67
Mechanics (HMP63 and HMP113) ..................................... 67
Options and Accessories ...................................................... 68
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List of Figures
Figure 1 HMP60 and HMP110 Series Probes ........................................ 12
Figure 2 Filters for HMP60, HMP110, and HMP110T ............................ 14
Figure 3 Filters for HMP63 and HMP113 ................................................ 14
Figure 4 Probe Mounting Clamp in Use .................................................. 15
Figure 5 Aligning Mounting Clamp Slots................................................. 15
Figure 6 Sliding the Lower Clamp Part ................................................... 16
Figure 7 Securing the Upper Clamp Part ................................................ 16
Figure 8 Probe Mounting Flange ............................................................ 17
Figure 9 HMP113 with Plastic Locking Bushing ..................................... 17
Figure 10 Probe Installation with the Duct Installation Kit ........................ 18
Figure 11 Loop Power Converter .............................................................. 19
Figure 12 Cable with Threaded Connector ............................................... 20
Figure 13 USB Serial Interface Cable ....................................................... 20
Figure 14 HMP60, HMP110, and HMP110T Dimensions ........................ 21
Figure 15 Installation with Plastic M12 Nuts, Dime nsions ........................ 21
Figure 16 HMP63 and HMP113 Dimensions ............................................ 22
Figure 17 HMP63 and HMP113 with Plastic Locking Bushing,
Dimensions ............................................................................... 22
Figure 18 Assembly of the Probe with Duct Installation K i t ...................... 23
Figure 19 Drilling Instructions ................................................................... 24
Figure 20 Wiring of Analog Output ........................................................... 26
Figure 21 Wiring of Digital Output ............................................................. 26
Figure 22 Wiring with the Loop Power Converter Module ........................ 27
Figure 23 PuTTY Terminal Application ..................................................... 33
Figure 24 INTERCAP® Sensor ................................................................ 59
Figure 25 Removing the Sensor ............................................................... 59
Figure 26 HUMICAP® 180R Sensor ........................................................ 60
List of Tables
Table 1 Manual Revisions ....................................................................... 6
Table 2 Related Manuals ......................................................................... 6
Table 3 Parameters Measured by HMP60 and HMP110 Series ........... 11
Table 4 Pinout of the Probe Connector ................................................. 26
Table 5 Default Serial Communication Settings .................................... 30
Table 6 List of Serial Commands .......................................................... 35
Table 7 Additional Commands for Probes with RS-485 Output ............ 36
Table 8 Serial Interface Modes .............................................................. 40
Table 9 Troubleshooting Table .............................................................. 61
Table 10 Options and Accessories .......................................................... 68
Table 11 Connection Cables ................................................................... 68
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Chapter 1 ________________________________________________________ General Information
CHAPTER 1
GENERAL INFORMATION
This chapter provides general notes for the manual and the HMP60 and
HMP110 series probes.
About This Manual
This manual provides information for installing, operating, and
maintaining HMP60 and HMP110 series probes.
Contents of This Manual
This manual consists of the following chapters:
- Chapter 1, G en eral Inf o rmation, provides general notes for the manual
and the HMP60 and HMP110 series probes.
- Chapter 2, Product Overview, introduces the features and options of
the HMP60 and HMP110 series probes.
- Chapter 3, Installation, provides you with information that is intended
to help you install the HMP60 and HMP110 series probes.
- Chapter 4, Operation, contains information that is needed to operate
the HMP60 and HMP110 series probes.
- Chapter 5, Maintenance, provides information that is needed in basic
maintenance of the HMP60 and HMP110 series probes.
- Chapter 6, Troubleshooting, describes common problems, their
probable causes and remedies, and contact information for technical
support.
- Chapter 7, Technical Data, provides the technical data of the HMP60
and HMP110 series probes.
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Manual Code
Description
M211060EN-E
January 2013. This manual. Updated description of
SMODE command.
M211060EN-D
October 2012. Previous version. Added new probe
specification, updated options and accessories.
M211060EN-C
June 2011. Applicable from software version 1.05. 2
Technical specification updated.
Manual Code
Manual Name
M211059EN
HMP60, HMP110 and HMP110T Quick Guide
M211505EN
HMP63 and HMP113 Quick Guide
M211106EN
Loop Power Converter Quick Reference Guide
M211080EN
Mounting Flange for Humidity Probes
Quick Reference Guide
Warning
instructions very carefully at this point, there is a risk of injury or even
death.
Caution warns you of a potential hazard. If you do not read and follow
instructions carefully at
important data could be lost.
Note highlights important information on using the product.
Version Information
Table 1 Manual Revisions
types HMP63 and HMP113. Added description of
ASEL serial line command. Updated technical
onward. Probe material changed to stainless steel.
Related Manuals
Table 2 Related Manuals
WARNING
CAUTION
NOTE
Documentation Conventions
Throughout the manual, important safety considerations are highlighted
as follows:
alerts you to a serious hazard. If you do not read and follow
this point, the product could be damaged or
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Chapter 1 ________________________________________________________ General Information
Do not modify the unit. Improper modification can damage the product
or lead to malfunction.
Recycle all applicable material.
Do not dispose of with regular household refuse.
Safety
The product delivered to you has been tested for safety and approved as
shipped from the factory. Note the following precautions:
CAUTION
ESD Protection
Electrostatic Discharge (ESD) can cause immediate or latent damage to
electronic circuits. Vaisala products are adequately protected against
ESD for their intended use. It is possible to damage the product,
however, by delivering electrostatic discharges when touching,
removing, or inserting any objects inside the equipment housing.
To make sure you are not delivering high static voltages yourself:
Recycling
- Handle ESD sensitive components on a properly grounded and
protected ESD workbench.
- When an ESD workbench is not available, ground yourself to the
equipment chassis with a wrist strap and a resistive connection cord.
- If you are unable to take either of the above precautions, touch a
conductive part of the equipment chassis with your other hand before
touching ESD sensitive components.
- Always hold component boards by the edges and avoid touching the
component contacts.
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Regulatory Compliances
HMP60 and HMP110 series probes are in conformity with the provisions
of the following EU directive(s):
ROHS Directive (2002/95/EEC)
WEEE Directive (2002/96/EEC)
EMC Directive (2004/108/EC)
The electromagnetic compatibility of HMP60, HMP110 and HMP110T
and HMP110REF has been tested according to the following product
family standards:
- EN 61326-1: Electrical equipment for measurement, control and
laboratory use - EMC requirements – for use in industrial locations.
- EN 55022 Class B: Information technology equipment - Radio
disturbance characteristics - Limits and methods of measurement.
The electromagnetic compatibility of HMP63 and HMP113 has been
tested according to the following product family standards:
- EN 61326-1: Electrical equipment for measurement, control and
laboratory use - EMC requirements – Basic immunity test
requirements.
- EN 55022 Class B: Information technology equipment - Radio
disturbance characteristics - Limits and methods of measurement.
Patent Notice
The HMP60 and HMP110 Series probes are protected by the following
patents and patent applications and their corresponding national rights:
Finnish patent 98861, French patent 6650303, German patent 69418174,
Japanese patent 3585973, UK patent 0665303, U.S. patent 5607564.
Trademarks
Vaisala INTERCAP® and Vaisala HUMICAP® are registered
trademarks of Vaisala Oyj.
Windows® is a registered trademark of Microsoft Corporation in the
United States and/or other countries.
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Chapter 1 ________________________________________________________ General Information
License Agreement
All rights to any software are held by Vaisala or third parties. The
customer is allowed to use the software only to the extent that is provided
by the applicable supply contract or Software License Agreement.
Warranty
Visit our Internet pages for more information and our standard warranty
terms and conditions: www.vaisala.com/warranty.
Please observe that any such warranty may not be valid in case of
damage due to normal wear and tear, exceptional operating conditions,
negligent handling or installation, or unauthorized modifications. Please
see the applicable supply contract or Conditions of Sale for details of the
warranty for each product.
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Chapter 2 __________________________________________________________ Product Overview
Parameter
Abbreviation
Metric Unit
Non Metric Unit
Relative humidity
RH
%RH
%RH
Dewpoint/Frostpoint
temperature*
T
ºC
ºF
Temperature
T
ºC
ºF
CHAPTER 2
PRODUCT OVERVIEW
This chapter introduces the features and options of the HMP60 and
HMP110 series probes.
Introduction to HMP60 and HMP110 Ser ies
Vaisala Humidity and Temperature Probes HMP60 and HMP110 Series
are simple and cost-effective humidity transmitters suitable for various
volume applications:
- Integration into other manufacturers’ equipment.
- Incubators.
- Glove boxes.
- Greenhouses.
- Fermentation chambers.
- Data loggers.
- Hand-held meters.
HMP60 series probes use the interchangeable Vaisala INTERCAP®
sensor. No recalibration is required after sensor replacement.
HMP110 series probes use the Vaisala HUMICAP® 180R sensor for
increased accuracy. HMP110 series probes require calibration after
sensor replacement. This can be done on the serial line using the optional
Vaisala USB cable.
Table 3 Parameters Measured by HMP60 and HMP110 Series
d/f
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* When the dewpoint is below 0 °C, the probe outputs frostpoint for T
d
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User's Guide ______________________________________________________________________
No.
Model
Description
1
HMP60
IP65 rated stainless steel probe with INTERCAP®
sensor. Rugged probe for demanding applications.
2
HMP110
IP65 rated stainless steel probe with HUMICAP® 180R
demanding applications.
3
HMP110T
IP65 rated stainless steel probe with temperature
performance as HMP110.
4
HMP110REF
IP65 rated stainless steel probe. Does not measure;
Useful for validating installations
Has
no analog outputs.
5
HMP63
IP54 rated probe with PC/ABS plastic housing and
thermal response time. Not for permanent outdoor use.
6
HMP113
IP54 rated probe with PC/ABS plastic housing and
special software configuration).
1210-009
Figure 1 HMP60 and HMP110 Series Probes
sensor. Rugged probe with higher accuracy for
sensor only. Has the same temperature measur em ent
instead, outputs constant humidity and temperature
readings on serial line.
of HMT120 and HMT130 transmitters, fo r example.
INTERCAP® sensor. Lightweight probe with faster
HUMICAP® 180R sensor. Lightweight prob e with
higher accuracy and faster thermal response time.
Not for permanent outdoor use.
Used with the Vaisala HM40 hand-held meter (requires
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Chapter 2 __________________________________________________________ Product Overview
Basic Features and Options
- HMP60, HMP63, HMP110 and HMP113 analog output mode:
two analog output channels, selectable from 0 ... 1 V / 0 ... 2.5 V /
0 ... 5 V / 1 ... 5 V.
- HMP110T analog output mode: single analog output channel (CH1),
selectable from 0 ... 1 V / 0 ... 2.5 V / 0 ... 5 V / 1 ... 5 V.
- RS-485 output mode.
- Small size.
- Low power consumption.
- IP65 stainless steel body on HMP60 and HMP110 models.
- IP54 lightweight plastic body on HMP63 and HMP113 models.
- Options and accesso rie s:
- Several filter options; see section Filter Options on page 14.
- Probe mounting clamp.
- Probe mounting flange.
- Duct installation kit for HMP60, HMP110 and HMP110T.
- One channel loop power converter 4 ... 20 mA (separate module,
compatible with humidity accuracy only).
- Shielded 0.3 m and 3.0 m connection cables with threaded
connector for probe connection, open end wires on the other end.
- P lasti c M12 in sta lla tio n nuts for HMP60, HMP110 and HMP110T.
- Plastic locking bushing for HMP63 and HMP113 (for use with
Vaisala products, for example HM40 hand-held meter).
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No.
Filter
Diameter
Pore Size
1
Plastic grid filter (fastest response time)
12 mm
- 2 Membrane filter
12 mm
0.2 µm
3
Stainless steel sintered filter
12 mm
38 µm
No.
Filter
Diameter
Pore Size
4
Plastic membrane filter
12 mm
0.2 µm
5
Plastic grid filter for (portable use only,
fastest response time)
12 mm
6
Porous PTFE filter
12 mm
8 µm
7
Stainless steel sintered filter
12 mm
38 µm
Filter Options
For order codes, see section Options and Accessories on page 68.
1001-008
Figure 2 Filters for HMP60, HMP110, and HMP110T
1210-010
Figure 3 Filters for HMP63 and HMP113
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Chapter 2 __________________________________________________________ Product Overview
Installation Accessories (Optional)
For order codes, see section Options and Accessories on page 68.
Probe Mounting Clamp
The optional mounting clamp makes it easy to install the probe on the
wall of the measurement environment. The probe can be detached for
calibration simply by loosening the lower screw.
1001-138
Figure 4 Probe Mounting Clamp in Use
The probe mounting clamp is delivered in two parts that must be
connected when it is used:
1. Align the slots on the clamp parts as shown in Figure 5 below.
1209-001
Figure 5 Aligning Mounting Clamp Slots
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User's Guide ______________________________________________________________________
2. Slide the lower clamp part over to the bottom end of the upper part
as shown in Figure 6 below.
1209-002
Figure 6 Sliding the Lower Clamp Part
3. Place the clamp to the intended location and secure the upper
clamp part with a screw. See Figure 7 below.
1209-003
Figure 7 Securing the Upper Clamp Part
4. Place the probe in the clamp.
5. Tighten the lower clamp part with a screw.
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Chapter 2 __________________________________________________________ Product Overview
Probe Mounting Flange
The probe mounting flange is a silicone flange that can be used to hold
the probe in a through-wall installation. The flange is a general purpose
mounting accessory for Ø 12mm probes, and comes with a sealing plug
for coaxial cables that is not needed when the flange is used with HMP60
and HMP110 series probes.
0911-109
Figure 8 Probe Mounting Flange
Plastic Locking Bushing for HMP63 and HMP113
HMP63 and HMP113 can be connected to compatible Vaisala
instruments using a plastic locking bushing that is placed over the probe.
The bushing has a M15x1 thread. It is compatible with the HMT120 and
HMT130 transmitters, and the HM40 hand-held meter.
1210-029
Figure 9 HMP113 with Plastic Locking Bushing
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User's Guide ______________________________________________________________________
The following explanations refer to Figure 10 above:
1 = Tension screw
Distance L can be adjusted and locked in place with the tension screw.
Duct Installation Kit for HMP60, HMP110 and HMP110T
The duct installation kit includes a plastic pipe with a flange (Vaisala
order code: 215619). To install the probe with the duct installation kit,
drill a hole to the duct wall, assemble the probe to the duct installation
kit, slide the probe head through the hole, and attach the flange to the
duct wall with four screws. See page 23 for details.
1301-002
Figure 10 Probe Installation with the Duct Installation Kit
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Chapter 2 __________________________________________________________ Product Overview
Loop Power Converter
The loop power converter is an open frame module that converts one
0 ... 2.5 VDC voltage output to a 4 ... 20 mA current output. To use the
loop power converter module, the probe:
- must be in the analog output mode
- the desired quantity is on channel 1
- channel 1 must be scaled to 0 ... 2.5 V
Wiring instructions are provided in section Wiring with the Loop Power
Converter on page 26.
1001-001
Figure 11 Loop Power Converter
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Cables
Connection cables have a straight, threaded female M8 connector on one
end and open wires on the other end. Also other compatible M8 series
cables can be used.
1210-063
Figure 12 Cable with Threaded Connector
The USB Serial Interface Cable has a straight, threaded female M8
connector on one end, and a USB Type A male plug on the other. The
USB cable is intended for maintenance purposes only, not for permanent
installation.
1210-062
Figure 13 USB Serial Interface Cable
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Chapter 3 _______________________________________________________________ Installation
CHAPTER 3
INSTALLATION
This chapter provides you with information that is intended to help you
install the HMP60 and HMP110 series probes.
Dimensions for HMP60, HMP110 and HMP110T
0912-103
Figure 14 HMP60, HMP110, and HMP110T Dimensions
0912-102
Figure 15 Installation with Plastic M12 Nuts, Dimensions
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User's Guide ______________________________________________________________________
85
Ø12
30
Ø14
3.5
M15x 1
73.5
21.5
Dimensions for HMP63 and HMP113
0912-103
Figure 16 HMP63 and HMP113 Dimensions
0912-102
Figure 17 HMP63 and HMP113 with Plastic Locking Bushing,
Dimensions
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Chapter 3 _______________________________________________________________ Installation
Avoid placing the probe in a place where condensation can run onto the
sensor.
The following numbers refer to Figure 18 above:
1 = HMP60, HMP110 or HMP110T probe
2 = Duct installation kit
3 = Probe cable
2
1
3
Mounting the HMP60, HMP110 an d HM P 110T Probes
HMP60, HMP110 and HMP110T are designed to be mounted from the
M12 thread on the probe body or from the smooth part of the probe body.
For a convenient installation, use the optional installation accessories:
- Use the plastic mounting nuts to hold the probe in a through-wall
installation.
- Use the probe mounting clamp to hold the probe on a wall.
- Use the probe mounting flange to hold the probe in a through-wall
installation.
NOTE
Probe Assembly with Duct Installation Kit
0505-177
Figure 18 Assembly of the Probe with Duct Installation Kit
1. Slide the probe cable through the duct installation kit plastic pipe.
VAISALA _______________________________________________________________________ 23
2. Attach the cable to the probe.
3. Attach probe assembly to the duct.
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User's Guide ______________________________________________________________________
The following numbers refer to Figure 19 above:
1 = Mounting screw
2 = Tension screw
3 = Probe assembled in duct installation kit plastic pipe
42
1
2
3
Ø24
Ø3.2
Drilling Instructions for Duct Installation Kit
0505-178
Figure 19 Drilling Instructions
Drill the holes for the duct installation kit as follows:
1. Use a 24-mm drill bit to drill a hole to the duct wall for the
humidity probe.
2. Drill holes for the duct installation kit mounting screws around the
hole in a square arrangement, 42 mm apart from each other. Use a
3.2-mm drill bit to drill the holes for the mounting screws
(four ST4.2×16-C-Z DIN 7981 screws).
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Chapter 3 _______________________________________________________________ Installation
A
sensor.
Mounting the HMP63 and HMP113 P r ob es
HMP63 and HMP113 probes do not have a thread on the probe body.
For a convenient installation, use the optional installation accessories:
- Use the probe mounting clamp to hold the probe on a wall.
- Use the probe mounting flange to hold the probe in a through-wall
installation.
- If you are using the probe with a HMT120, HMT130, or HM40 hand-
held meter, use the plastic locking bushing.
For information on these accessories, see section I nstallat ion A ccessori es
(Optional) on page 15.
NOTE
void placing the probe in a place where condensation can run onto the
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User's Guide ______________________________________________________________________
Pin
Analog output model
RS-485 output model
Wire color
1
VDC supply +
VDC supply +
Brown
2
Signal Channel 1
RS-485 - / B
White
3
GND
GND
Blue
4
Signal Channel 2*
RS-485 + / A
Black
Wiring
For a secure connection to the probe, connect to the 4-pin M8 connector
using a threaded connector.
Connect the shield if using a shielded cable. In the shielded cables
supplied by Vaisala, the threaded connector connects the shield to the
probe housing.
0912-104
Figure 20 Wiring of Analog Output
Figure 21 Wiring of Digital Output
Table 4 Pinout of the Probe Connector
* HMP110T has no output on channel 2
0912-105
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Chapter 3 _______________________________________________________________ Installation
Wiring with the Loop Power Converter
To use the loop power converter module with a HMP60 or HMP110
series probe, make sure that:
- The probe is in the analog output mode
- The desired quantity must be on channel 1
- Channel 1 is scaled to 0 ... 2.5 V
When using the loop power converter module, power the module with
8 ... 28 VDC. The operating voltage for the probe (5 VDC) is delivered
by the module.
For more information, see the Loop Power Converter Quick Reference
Guide.
1210-031
Figure 22 Wiring with the Loop Power Converter Module
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Power Supply Requirements
The operating voltage for the HMP60 and HMP110 series probes must be
in the following range:
- 5 ... 28 VDC when using the 0 ... 1 V, 0 ... 2.5 V or RS-485 output
- 8 ... 28 VDC when using the 0 ... 5 V or 1 ... 5 V output
Current consumption is 1 mA on average, which makes the probes well
suited for running on battery power. The maximum peak consumption is
5 mA.
Recommendations
- Continuous use over high operating voltage may cause heating.
To conserve power and minimize the warming of the probe, use the
lowest operating voltage in the allowed range.
- Using low impedance loads on the signal outputs increase the current
consuption by up to 0.5 mA. High impedance loads are recommended
to minimize warming of the probe.
- Frequent interrogation of the probe using the RS-485 interface will
also increase current consumption from the average value. More
frequent interrogation than once per second is not recommended.
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Chapter 4 ________________________________________________________________ Operation
The Vaisala USB cable is not designed for permanent installation.
When using the USB c
is powered through the USB port.
CHAPTER 4
OPERATION
This chapter contains information that is needed to operate the HMP60
and HMP110 series probes.
Getting Started
When the probe is connected to a power supply, there is a delay as the
probe starts up and the analog output stabilizes. The delay depends on the
output type, and on the operating voltage that is supplied to the probe:
- Probes with analog output:
- 4 s at operating voltage 13.5 ... 16.5 VDC
- 2 s at other valid operating voltages
- Probes with digital output: 1 s
Serial Line Communication
HMP60 and HMP110 series probes support two-wire RS-485
communication. The RS-485 interface is non-isolated and offers a
maximum communications rate of 57600 bits/s.
There is no internal termination for the RS-485 on the probe. Use of
termination resistors is not recommended. If the resistors are used, the
possible increase in current consumption should be taken into account.
Connecting to the Serial Interface
The connection to the serial interface is via the 4-pin connector on the
probe; see connector pinout on page 23.
For temporary use of the serial interface (for example, calibration), you
can use the optional USB cable (Vaisala order code: 219690). Before you
can use the USB cable, you must install the provided USB driver on your
PC, see Installing the Driver for the USB Cable on page 30.
NOTE
able, no separate power unit is needed. The probe
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Parameter
Value
Baud rate
19200
Parity
None
Data bits
8
Stop bits
1
Flow control
None
For permanent interfacing to a host system, use a shielded cable with a
threaded connector. See list of available cables in section Options and
Accessories on page 68.
The probe does not echo typed characters back to the terminal screen. To
see the commands you type, you need to enable the
"local echo" setting in your terminal program.
A new command cannot be received while the probe is sending data out.
Wait until the instrument has completed its response before entering the
next command.
Table 5 Default Serial Communication Settings
You can change the serial settings and operate in RUN, STOP and POLL
modes:
- After power-up the probe (in STOP mode) outputs the software
version and the command prompt.
- In RUN mode, a measurement output starts immediately after power-
up.
- In POLL mode, the probe does not output anything after power-up. It
must be accessed with an addressed command.
For a description of the modes and the SMODE command that is used to
change the mode, see section Set Serial Interface Mode on page 40.
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Installing the Driver for the USB Cable
Before taking the USB cable into use, you must install the provided USB
driver on your PC. When installing the driver, you must acknowledge
any security prompts that may appear.
1. Check that the USB cable is not connected. Disconnect the cable if
you have already connected it.
2. Insert the media that came with the cable, or download the latest
driver from www.vaisala.com.
3. Execute the USB driver installation program (setup.exe), and
accept the installation defaults. The installation of the driver may
take several minutes.
4. After the driver has been installed, connect the USB cable to a USB
port on your PC. Windows will detect the new device, and use the
driver automatically.
5. The installation has reserved a COM port for the cable. Verify the
port number, and the status of the cable, using the Vaisala USB
Instrument Finder program that has been installed in the
Windows Start menu. The reserved ports are also visible in the
Ports section of the Windows Device Manager.
Remember to use the correct port in the settings of your terminal
program. Windows will recognize each individual cable as a different
device, and reserve a new COM port.
There is no reason to uninstall the driver for normal use. However, if you
wish to remove the driver files and all Vaisala USB cable devices, you
can do so by uninstalling the entry for Vaisala USB Instrument Driver
from the Programs and Features menu in the Windows Control Panel.
In Windows XP and earlier Windows versions the menu is called Add or
Remove Programs.
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Terminal Application Settings for Probes in RS-485 Mode
The steps below describe how to connect to HMP60 and HMP110 series
probes using the PuTTY terminal application for Windows (available for
download at www.vaisala.com) and the USB serial interface. The
instructions assume that your probe has been ordered with th e RS-485
output.
If your probe has been ordered without the RS-485 output, you can still
connect to the serial line by following the instructions in section
Terminal Application Settings for Probes in Analog Mode on page 34.
1. Connect the USB serial interface cable between your PC and the
probe.
2. Start the PuTTY application.
3. Select the Serial settings category, and check that the correct COM
port is selected in the Serial line to connect to field.
You can check which port the USB cable is using with the Vaisala
USB Instrument Finder program that has been installed in the
Windows Start menu.
4. Check that the other serial settings are correct for your connection,
and change if necessary. Refer to Table 5 on page 30 for the default
serial line settings of the probe.
5. Click the Open button to open the connection window and start
using the serial line.
If PuTTY is unable to open the serial port you selected, it will show
you an error message instead. If this happens, restart PuTTY and
check the settings.
6. You may need to adjust the Local echo setting in the Terminal
category to see what you are typing on the serial line. To access the
configuration screen while a session is running, click the right
mouse button over the session window, and select Change
Settings... from the pop-up menu.
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Figure 23 PuTTY Terminal Application
0807-004
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Terminal Application Settings for Probes in Analog Mode
Follow the steps below to connect to the serial line on probes that have
been ordered with analog outputs. You must use the Vaisala USB cable
in this case.
1. Start the PuTTY application.
2. Connect the USB serial interface cable to your PC. Do not connect
the other end to the probe yet.
3. Select the Serial settings category, and check that the correct COM
port is selected in the Serial line to connect to field.
You can check which port the USB cable is using with the Vaisala
USB Instrument Finder program that has been installed in the
Windows Start menu.
4. Check that the other serial settings are set to the default settings of
the probe. Refer to Table 5 on page 30.
5. Click the Open button to open the connection window and start
using the serial line.
6. Connect the other end of the USB cable to the probe, and
immediately press the Enter key a few times. This will cause the
probe to start in RS-485 mode, using the default serial settings.
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Command
Description
?
Output information about the device
ADJD
View the adjustment date
AMODE
View or set the analog output mode
AOVER [ON/OFF]
Allow analog outputs to exceed their range
10%
ASEL
Set analog output parameters and scaling
CDATE
View the calibration date
CODE
View the order code of the probe
CRH
Calibrate and adjust RH measurement
CRHCLR
Clear adjustment of RH measurement
CT
Calibrate and adjust T measurement
CTCLR
Clear adjustment of T measurement
CTEXT
View the calibration information field
ERRS
List present probe errors
FILT [0.001 … 1]
Set the result filtering
FRESTORE
Restore factory settings
HELP
List available commands
INTV [0 ... 255 S/MIN/H]
Set the continuous output interval (for R UN
mode)
L
Displays user adjustment parameters
R
Start the continuous outputting
RESET
Reset the probe
S
Stop the continuous outputting
SDELAY [0 … 255]
View or set serial line answer minimum
delay
SEND [0 ... 255]
Output the reading once
SNUM
View the serial number of the probe
UNIT
Select metric or non-metric output units
VERS
View software version of the probe
List of Serial Commands
All commands can be issued either in uppercase or lowercase. In the
command examples, the keyboard input by the user is in bold type.
The notation <cr> refers to pressing the carriage return (Enter) key on
your computer keyboard. Enter a <cr> to clear the command buffer
before starting to enter commands.
Table 6 List of Serial Commands
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Command
Description
??
Output information about the device in
POLL mode
ADDR [0 ... 255]
Set the probe address (for POLL mode)
CLOSE
Close the temporary connection (Back to
POLL mode)
OPEN [0 ... 255]
Open a temporary connection to a POLL
mode device
SERI [baud p d s]
User Port settings (Default: 19200 N 8 1)
baud: 300 ... 57600
SMODE
[STOP/RUN/POLL]
Set the serial interface mode
Table 7 Additional Commands for Probes with RS-485 Output
Device Information and Status
View Device Information
The ? command outputs a listing of device information.
?<cr>
Example (output from HMP63):
?
HMP63 / 1.0.4
Serial number : H3640004
Batch number : T0001109
Sensor number : H0000322
Sensor model : Intercap
Order code : A12A0A2B0
Cal. date : 20120907
Cal. info : VAISALA/HEL
Time : 00:21:05
Serial mode : ANALOG
Baud P D S : 19200 N 8 1
Output interval: 1 S
Serial delay : 30
Analog delay : 10 S
Address : 0
Filter : 1.000
Ch1 output : 0 ... 1 V
Ch2 output : 0 ... 1 V
Ch1 RH lo : 0.00 %RH
Ch1 RH hi : 100.00 %RH
Ch2 T lo : -40.00 'C
Ch2 T hi : 60.00 'C
If the probe is in poll mode, but a connection has not been opened using
the OPEN command, issue the ?? command. For a description of the
serial interface modes, see section Set Serial Line Settings on page 39.
??<cr>
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View Calibration Information
Use the CDATE command to view the calibration date, CTEXT to view
the calibration info text, and ADJD command to view the adjustment
date. Date format for CDATE and ADJD is YYYYMMDD.
CDATE<cr>
CTEXT<cr>
ADJD<cr>
Examples:
cdate
Cal. date : 20120907
ctext
Cal. info : VAISALA/HEL
adjd
Adj.date : 0
View Order Code
Use the CODE command to view the order code that has been stored in
the probe. This command is useful if you need to order a new probe with
the same options.
CODE<cr>
Example:
code
Order code : A12A0A2B0
View Serial Number
Use the SNUM command to view the serial number of the probe.
SNUM<cr>
Example:
snum
Serial number : H3640004
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View Software Version
Use the VERS command to display the software version of the probe.
VERS<cr>
Example:
vers
HMP63 / 1.0.4
Serial Line Output Commands
Start Measurement Output
Use the R command to start the continuous outputting of measurement
values as an ASCII text string to the serial line.
For HMP60 and HMP110, the output always includes readings for
temperature, RH and Td. For HMP110T, the output includes only
temperature.
R<cr>
Example (HMP60 and HMP110):
r
T= 22.6 'C RH= 22.8 %RH Td= 0.3 'C
T= 22.6 'C RH= 22.5 %RH Td= 0.2 'C
T= 22.6 'C RH= 22.5 %RH Td= 0.2 'C
…
Example (HMP110T):
r
T= 22.6 'C
T= 22.6 'C
T= 22.6 'C
…
Outputting the results continues in intervals issued with the command
INTV. You can stop the output by entering the S command.
Stop Measurement Output
Use the S command or press the Esc key to stop the continuous
measurement output.
S<cr>
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where
aaa = Address of the probe, range 0 ... 255. Set with the ADDR
command.
where
b = baud rate
(300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600)
p = parity (n = none, e = even, o = odd)
d = data bits (7 or 8)
s = stop bits (1 or 2)
Output the Measurement Message Once
Use the SEND command to output the measurement values once. If the
probe is in POLL mode and the line is not open for commands, specify
the address of the probe to receive the measurement message.
SEND [aaa]<cr>
Example (probe in STOP mode, no address needed):
send
T= 22.7 'C RH= 20.0 %RH Td= -1.5 'C
Example (probe in POLL mode, with address 10):
send 10
T= 22.8 'C RH= 20.1 %RH Td= -1.3 'C
Configuring Serial Line Operati on
Set Serial Line Settings
Use the SERI command to show or set the serial line settings. The new
settings will be taken into use when the probe is reset or powered up.
SERI [b p d s]<cr>
Example (shows default settings):
seri
Baud P D S : 19200 N 8 1
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where
xxx
=
Operation mode of the serial interface. See Table 8 below.
Mode
Description
STOP
Probe outputs only when a command is issued. Any command
can be used.
RUN
Probe automatically outputs measurement m essages on the
the output.
POLL
Probe outputs only when a command is issued. Probes
on page 50.
VDIGI
Special serial interface mode that is only used for interoperability
mode is set at Vaisala for probes that are ordere d for such use.
ANALOG
No serial line, analog outputs active. For instructions on how to
Application Settings for Probes in Analog Mode on p age 34.
Do not switch a digital probe to analog mode.
outputs is only guaranteed for probes that have been ordered in analog
output mode from Vaisala.
In the RUN mode, the probe may send the measurement data message
right as you are typing the
you may need to repeat the
when designing computer programs to access the probe.
Set Serial Interface Mode
Use the SMODE command to set the operation mode of the serial
interface. The new mode is applied when probe is reset.
SMODE [xxx]<cr>
Table 8 Serial Interface Modes
serial line. Only command S or the Esc key can be used to stop
communicate one at a time when the specific address is called on
the serial line, which is useful when more than one probe is
connected to one serial bus. Any command can be u sed after the
line has been opened using the OPEN command.
See descriptions of the commands ADDR on page 42 and OPEN
CAUTION
NOTE
with Vaisala devices such as HMT120, HMT130, and HM40. This
enter the serial line when in analog mode, see sectio n Terminal
Example (check current mode):
smode
Serial mode : STOP ?
Example (change mode to POLL mode):
smode poll
Serial mode : POLL
Accuracy of analog
S command to stop the sending. Therefore,
S command. This must be noted especially
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where
n = Time interval in range 1 ... 255
xxx
=
time unit = "S", "MIN", or "H"
where
a.aaa
=
Range 0.001 ... 1.0.
1.0 = No filtering
without averaging
0.5 = Average of last two measurements
0.1 = Average of approximately 16 measurements
Set Output Interval
Use the INTV command to show or set the output interval of the serial
line measurement messages (applies when R command or RUN mode is
used). The shortest output interval is one second. This command has no
effect on the operation of the analog output.
INTV [n xxx]<cr>
Example:
intv 1 s
Value : 1
Unit : S
Set Measurement Filtering
Use the FILT command to view or set the speed at which the latest
measurement result is integrated into the humidity and temperature
readings. The command affects both analog output and serial line output.
FILT [a.aaa]<cr>
, latest measurement is output
Example (default setting, no filtering):
filt
Filter : 1.000 ?
Example (set filtering to 0.5):
filt 0.5
Filter : 0.500
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where
nn = address (0 ... 255)
where
delay
=
Range 0 ... 255. Value corresponds to four
milliseconds (for example, 5 = 0.020 second
minimum answer delay)
Set Probe Address
Use the ADDR command to view or set the probe address. To operate in
the POLL mode, the probe must have an address. If multiple probes share
the same serial line, each probe must have a different address.
For a description of the serial interface modes, see section Set Serial Line
Settings on page 39.
ADDR [nn]<cr>
Example:
addr
Address : 0
Set Serial Interface Delay
Use the SDELAY command to view or set the serial interface answer
minimum delay.
SDELAY [delay]<cr>
Example:
sdelay
Serial delay : 30
sdelay 50
Serial delay : 50
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Chapter 4 ________________________________________________________________ Operation
Quantity
Metric Unit
Non-Metric Unit
RH
%RH
%RH
Td
ºC
ºF T ºC
ºF
Set Measurement Units
Use the UNIT command to view or set the measurement units that are
used in the serial line measurement messages.
UNIT [M/N]<cr>
M is for metric units, N is for non-metric units.
Examples:
unit
Units : Metric
unit n
Units : Non metric
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Calibration Commands
Calibrate Humidity Measurement
Use the CRH command to perform a one-point or two-point correction to
the capacitance measurement of the probe. This command changes the
offset and/or gain of the humidity measurement, depending on the
calibration and reference:
- one-point calibration with a single < 50 %RH reference will adjust the
offset of the capacitance measurement
- one-point calibration with a single > 50 %RH reference will adjust the
gain of the capacitance measurement
- two-point calibration will adjust both offset and gain. The first point
requires a < 50 %RH humidity reference, the second point must be
> 50 %RH. There must also be at least 30 percentage point difference
between the references.
CRH [reference]<cr>
This command is not available on the HMP110T.
When performing a one-point calibration, you need to place the probe in
the reference humidity and wait for 20 – 40 minutes for the humidity to
stabilize. To apply the adjustment, enter the CRH command with the
reference %RH as a parameter.
Example: one-point calibration (LiCl reference, 11 %RH):
crh 11
OK
Example: one-point calibration with NaCl reference (75 %RH):
crh 75
OK
Giving the command without parameters starts the two-point calibration.
Remember to allow the humidity to stabilize for 20 - 40 minutes after
changing the reference.
Example: two-point calibration with LiCl (11 %RH) and NaCL
(75 %RH) references:
crh
RH : 11.2684 1. ref ? 11
Press any key when ready ...
RH : 75.0612 2. ref ? 75
OK
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Clear Adjustment of RH Measurement
Use the CRHCLR command to clear the adjustment of RH measurement
that has been done using the CRH command. This command is not
available on the HMP110T.
CRHCLR<cr>
Example:
crhclr
OK
Calibrate Temperature Measurement
Use the CT command to perform a one-point or two-point temperature
(T) calibration. One-point calibration adjusts the offset for the
measurement, two-point calibration adjusts offset and gain.
CT [reference]<cr>
When performing a one-point calibration, you need to place the probe in
a single temperature reference and wait for 20 – 40 minutes for the
temperature to stabilize. To apply the adjustment, enter the CT command
with the reference temperature as a parameter.
Example: one-point calibration
ct 23.5
OK
Giving the command without parameters starts the two-point calibrat io n.
Remember to allow the temperature to stabilize for 20 - 40 minutes after
changing the reference. The first reference point must be smaller than the
second point, and the difference between the reference points must be
more than 30 ºC. To update the measured value while the command is
running, press enter without inputting a value.
Example: two-point calibration
ct
T : 22.03 Ref1 ? 22
Press any key when ready ...
T : 55.12 Ref2 ? 55
OK
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Clear Adjustment of T Measurement
Use the CTCLR command to clear the adjustment of temperature
measurement that has been done using the CT command.
CTCLR<cr>
Example:
ctclr
OK
View User Adjustment Parameters
Use the L command to view the current user adjustment parameters. This
command is useful for checking the currently applied customer
calibration.
L<cr>
The output values are as follows:
- Cp offset and gain: capacitance, calibrated using the CRH command
- T offset and gain: calibrated using the CT command
Example (shows default values, no user calibration done):
l
Cp offset : 0.00000000E+00
Cp gain : 1.00000000E+00
T offset : 0.00000000E+00
T gain : 1.00000000E+00
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where
ch1 =
Analog output mode for channel 1, range 0 ...3.
3 (1 ... 5 V)
ch2 = Analog output mode for channel 2, range 0 ...3.
The options are the same as for channel 1.
Other Commands
Set Analog Output Mode
Use the AMODE command to show or set the operation mode of the
analog output.
AMODE [ch1] [ch2]<cr>
The options are:
0 (0 ... 1 V)
1 (0 ... 2.5 V)
2 (0 ... 5 V)
Example (show current output modes):
amode
Ch1 output : 0 ... 1 V
Ch2 output : 0 ... 1 V
Example (set channel 1 to 0 ... 1 V and channel 2 to 0 ... 5 V):
amode 0 2
Ch1 output : 0 ... 1 V
Ch2 output : 0 ... 5 V
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where
ch1
=
Output parameter for channel 1. The options are:
RH = Relative hum
TD = Dewpoint temperature
T = Temperature
ch2
=
Output parameters for channel 2. The options are same as
for channel 1.
ch1low
=
Low limit for channel 1 output scaling.
ch1high
=
High limit for channel 1 output scaling.
ch2low
=
Low limit for channel 2 output scaling.
ch2high
=
High limit for channel 2 output scaling.
Set Analog Output Parameters and Scaling
Use the ASEL command to show or set the output parameters and
scaling of the analog outputs.
ASEL [ch1 ch2] [ch1low ch1high ch2low ch2high]<cr>
idity
Example (show current output parameters and scaling):
asel ?
Ch1 RH lo : 0.00 %RH ?
Ch1 RH hi : 100.00 %RH ?
Ch2 T lo : -20.00 'C ?
Ch2 T hi : 80.00 'C ?
Example (change channel 1 to output dewpoint temperature, adjust
scaling to -40 ... 60 °C for channel 1 and to -20 ... 80 °C for channel 2):
asel td t -40 60 -20 80
Ch1 Td lo : -40.00 'C
Ch1 Td hi : 60.00 'C
Ch2 T lo : -20.00 'C
Ch2 T hi : 80.00 'C
Example (change channel 1 to output temperature and channel 2 to
output relative humidity, adjust scaling for channel 1 to -40 ... 60 °C
when prompted):
asel t rh
Ch1 T lo : -20.00 'C ? -40
Ch1 T hi : 80.00 'C ? 60
Ch2 RH lo : 0.00 %RH ?
Ch2 RH hi : 100.00 %RH ?
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Extend Analog Output Range
Use the AOVER command to allow the analog output channels to
exceed their specified range by 10%. The scaling of the quantity remains
as before; the extra range is used for additional measurement range in the
wet end.
AOVER [ON/OFF]<cr>
The following example illustrates how the analog output is affected.
Channel 1 outputs Td with voltage output 0 … 5 V (-40 °C … +60 °C).
After giving the AOVER ON command, the range is 0 … 5.5 V
(-40 °C … +70 °C). Note that the +60 °C T
Example:
aover on
AOVER : ON
point is still at 5 V.
d
Display Command List
Use the HELP command to display a list of the currently available
commands.
HELP<cr>
Display the Currently Active Errors
Use the ERRS command to display the currently active error codes. For
troubleshooting active errors, see Table 9 on page 61.
ERRS<cr>
Example (no active errors):
errs
0000h
No errors
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where
aa = address (0 ... 255)
Connect to the Probe in POLL Mode
Use the OPEN command to connect to a probe that is in POLL mode.
OPEN [aa]<cr>
Example:
open 1
HMP110 1 line opened for operator commands
Close the Connection in POLL Mode
The CLOSE command closes the connection to the probe.
CLOSE<cr>
Example:
close
line closed
Reset the Probe
Use the RESET command to reset the probe. Upon reset or power-up,
the probe enters the serial mode that has been set with the SMODE
command.
RESET<cr>
Example (probe set to serial mode STOP, will output probe model and
software version at reset):
reset
HMP60 / 1.00.0
Example (probe set to serial mode RUN, will start to output measurement
messages at reset):
reset
T= 23.6 'C RH= 20.2 %RH Td= -0.5 'C
T= 23.6 'C RH= 20.2 %RH Td= -0.5 'C
T= 23.3 'C RH= 20.2 %RH Td= -0.8 'C
...
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Restore Factory Settings
Use the FRESTORE command to restore the factory settings to the
probe. All user settings, including the user-performed calibration
corrections, will be lost. The probe will revert back to the factory
calibrated settings.
FRESTORE<cr>
Example:
frestore
Factory settings restored
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CHAPTER 5
MAINTENANCE
This chapter provides information that is needed in basic maintenance of
the HMP60 and HMP110 series probes.
Periodic Maintenance
The humidity measurement accuracy of the HMP60 and HMP110 series
probes should be calibrated yearly. When calibration indicates that
accuracy is not within specification:
- HMP60 and HMP63: change the INTERCAP® Sensor.
- HMP110 and HMP113: adjust the measurement yourself, or have it
adjusted at a Vaisala Service Center.
Light cleaning of the probe, and replacement of the filter should be done
only when necessary.
Cleaning
The probe body can be wiped clean with a soft, lint-free cloth moistened
with mild detergent. Do not use solvents or compressed air.
Note that wiping the membrane filter or stainless steel sintered filter may
block its pores and/or deposit residue on the filter. If the filter is heavily
contaminated, replace it.
Changing the Filter
The filter on the probe should be replaced when it is damaged or dirty.
1. Turn the filter counter-clockwise to loosen it.
2. Remove the filter from the probe. Be careful not to touch the
sensors with the filter. Without the filter in place, the sensors are
easily damaged – handle the probe carefully.
3. Install a new filter on the probe, and tighten it so it is finger-tight.
Make sure the filter sits straight and meets the threads properly.
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If you are adjusting a probe that is in the analog output mode, see section
Terminal Application Settings for Probes in Analog Mode
instructions on how to start the probe in RS
New filters can be ordered from Vaisala. For available filters, see section
Filter Options on page 14. The order codes of the filters are listed in
section Options and Accessories on page 68.
Calibration Procedure
To calibrate your probe, you need a known stable humidity or
temperature reference, and a way to read the output of the probe (analog
or serial). As a humidity reference you can use, for example, the Vaisala
Humidity Calibrator HMK15.
Refer to chapter Technical Data on page 63 for accuracy specifications of
the probes.
1. Connect the power/signal cable to the probe, but do not power it up
yet.
2. Remove the filter from the probe and place the probe in the
reference environment. For example, you can use a NaCl salt
chamber (75 %RH) as the humidity reference.
3. Wait for 20 – 40 minutes for the reading to stabilize.
4. Power up the probe and wait for one minute.
5. Check the measurement reading, and compare it with the reading
that the reference should produce.
Adjustment Procedure (HMP110 and HMP113)
NOTE
on page 34 for
-485 mode.
One-Point Adjustment of RH Measurement (HMP110 and HMP113)
To perform a one-point adjustment to the capacitance measurement of
the HMP110 or HMP113 you need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- One humidity reference. One-point calibration with a single
< 50 %RH reference will adjust the offset of the measurement. Onepoint calibration with a single > 50 %RH reference will adjust the gain
of the measurement.
The procedure below uses the HMK15 Humidity Calibrator. LiCl salt
(11 %RH) is used as the reference point.
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Chapter 5 ______________________________________________________________ Maintenance
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the LiCl
salt chamber of the humidity calibrator (11 %RH).
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the humidity to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
the current user adjustment parameters.
l
8. Use the ERRS command to see that no errors are active:
errs
9. Give the CRH command, with the %RH value of the reference as a
parameter (in this case 11 for LiCl):
crh 11
OK
10. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of RH calibration (returning the
RH measurement of the probe to the factory calibrated state), s ee
section Clear Adjustment of RH Measurement on page 45.
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User's Guide ______________________________________________________________________
Two-Point Adjustment of RH Measurement (HMP110 and HMP113)
To perform a two-point adjustment to the capacitance measurement of
the HMP110 or HMP113 you need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- Two humidity references. The first point requires a < 50 %RH
humidity reference, the second point must be > 50 %RH. There must
also be at least 30 percentage point difference between the references.
The procedure below uses the HMK15 Humidity Calibrator. LiCl salt
(11 %RH) is used as the first reference point, NaCl (75 %RH) as the
second.
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the LiCl
salt chamber of the humidity calibrator (11 %RH).
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the humidity to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
the current user adjustment parameters.
l
8. Use the ERRS command to see that no errors are active:
errs
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Chapter 5 ______________________________________________________________ Maintenance
9. Use the SEND command to verify the currently measured RH
value:
send
T= 22.9 'C RH= 11.1 %RH Td= -8.0 'C
10. Give the CRH command with the RH value of the humidity
reference as a parameter:
crh 11
OK
11. After entering the correction, unplug the USB cable from the probe.
Insert the probe in the NaCl salt chamber (75 %RH) and wait for
20 – 40 minutes for humidity and temperature to stabilize.
12. Connect the USB cable to the probe and use the SEND command
to see the currently measured value.
13. Give the CRH command with the RH value of the humidity
reference as a parameter:
crh 75
OK
14. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of RH calibration (returning the
RH measurement of the probe to the factory calibrated state), see
section Clear Adjustment of RH Measurement on page 45.
One-Point Adjustment of T Measurement (HMP110, HMP113, and HMP110T)
To perform a one-point adjustment to the temperature measurement of
the HMP110, HMP113, or HMP110T you need:
- The Vaisala USB cable (Vaisala order code: 219690)
- PC with a terminal application.
- One known and stable temperature reference.
1. Connect the USB cable to the PC, but do not connect it to the probe
yet.
2. Remove the filter from the probe and insert the probe in the
temperature reference.
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User's Guide ______________________________________________________________________
3. Start a terminal application and set the correct connection settings.
The default serial settings are 19200 8 N 1. Remember to check
which COM port the USB cable is using.
4. Wait for 20 – 40 minutes for the temperature to stabilize.
5. Start the terminal session and connect the USB cable to the probe.
If your probe is in the analog output mode, you need to press Enter
a few times to start it in RS-485 mode.
6. Verify that the connection works by giving the ? command:
?
If the probe does not respond with device information:
- Disconnect the USB cable from the probe and retry. If your probe
is in the analog output mode, press Enter a few times immediately
after connecting the USB cable.
- Try the ?? command in case the probe is in POLL mode, open the
line using OPEN command if necessary.
- Check your serial line settings and cable connections.
7. When your serial connection is working, use the L command to see
the current user adjustment parameters.
l
8. Use the ERRS command to see that no errors are active:
errs
9. Give the CT command, with the temperature value of the reference
as a parameter:
ct 23.5
OK
10. Check with the L command that the user adjustment parameters
have changed.
If you wish to remove the effects of T calibration (returning the T
measurement of the probe to the factory calibrated state), see
section Clear Adjustment of T Measurement on page 46.
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Chapter 5 ______________________________________________________________ Maintenance
Repair Maintenance
Changing the INTERCAP® Sensor (HMP60 and HMP63)
This procedure restores the humidity measurement accuracy of the probe.
No adjustment after the sensor change is needed.
To perform this procedure, you need a new INTERCAP® sensor. It is
also recommended that you replace the filter with a new one. For order
codes, see section Options and Accessories on page 68.
1. Remove the filter from the probe by turning it counter-clockwise.
2. There are two sensors under the filter, the INTERCAP® sensor and
a temperature sensor. Identify the INTERCAP® sensor – do not
touch the temperature sensor.
1210-035
Figure 24 INTERCAP® Sensor
3. Pull out the old INTERCAP® sensor and insert a new one. Refer to
Figure 25 below. Handle the new sensor by the plastic frame.
DO NOT TOUCH THE SENSOR PLATE.
1210-034
Figure 25 Removing the Sensor
4. Attach a new filter on the probe.
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User's Guide ______________________________________________________________________
Replacing the humidity sensor of the HMP110 is not necessary in
normal operation. If the accuracy of the probe does not seem to be
within specification, it is likely that the a
performing
Adjustment of RH Measurement (HMP110 and HMP113)
Changing the HUMICAP® 180R Sensor (HMP110 and HMP113)
NOTE
ccuracy can be restored by
the adjustment procedure. See section Two-Point
on page 56.
Follow this procedure to replace the humidity sensor of the HMP110 in
case it has been damaged, or normal adjustment is not sufficient to
restore the measurement accuracy. Calibration and adjustment of the
humidity measurement is required after the sensor change.
To perform this procedure, you need a new HUMICAP® 180R sensor. It
is also recommended that you replace the filter with a new one. For
order codes, see section Options and Accessories on page 68.
1. Remove the filter from the probe by turning it counter-clockwise.
2. There are two sensors under the filter, the HUMICAP® sensor and
a temperature sensor. Identify the HUMICAP® sensor – do not
touch the temperature sensor.
1210-035
Figure 26 HUMICAP® 180R Sensor
3. Pull out the old HUMICAP® 180R sensor and insert a new one.
Refer to Figure 25 on page 59. Handle the new sensor by the plastic
frame. DO NOT TOUCH THE SENSOR PLATE.
4. Perform a two-point adjustment of the RH measurement as
instructed in section Two-Point Adjustment of RH Measurement
(HMP110 and HMP113) on page 56.
5. Attach a new filter on the probe.
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Chapter 6 ___________________________________________________________ Troubleshooting
Problem or Message
Likely Causes and Solutions
Measurement not working.
- RH meas error
- Sensor(s) damaged or missing. Open the filter
Humidity measurement
- Check for condensation on the probe and
necessary (HMP60).
The probe is not responding
- Disconnect the USB cable from the probe and
connections.
The following error is active:
- Operating voltage out of range. Correct v oltage
CHAPTER 6
TROUBLESHOOTING
This chapter describes common problems, their probable causes and
remedies, and contact information for technical support.
Solving Typical Problems
You can check the error message via the serial interface by using the
ERRS command. If you are unable to remove the errors, contact Vaisala
technical support. See section Technical Support on page 62.
Table 9 Troubleshooting Table
any of the following errors
active:
- T meas error
appears to be wrong.
to any serial commands.
and check.
- Check the supply voltage of the probe.
- Check the output mode of the probe using serial
line.
sensor.
- Use the L command to check the currently
applied calibration correction.
- Calibrate and adjust the probe (HMP110).
- Calibrate the probe and change the sensor if
retry. If your probe is in the analog output m ode,
press ENTER a few times immediately aft er
connecting the USB cable.
- Try the ?? command in case the probe is in
POLL mode, open the line using OPEN
command if necessary.
- Check your serial line settings and cable
- Voltage error
VAISALA _______________________________________________________________________ 61
and reset probe.
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User's Guide ______________________________________________________________________
Problem or Message
Likely Causes and Solutions
Any check sum error is active.
error
Internal error. Perform the following steps:
For example:
- Program flash check sum
error
- Parameter flash check sum
Technical Support
For technical questions, contact the Vaisala technical support by e-mail at
helpdesk@vaisala.com. Provide at least the following supporting
information:
- Name and model of the product in question
- Serial number of the product
- Name and location of the installation site
- Name and contact information of a technically competent person who
can provide further information on the problem.
Product Returns
1. Return the probe to factory settings using t he
FRESTORE command. Check again.
2. If the error is still active, contact Vaisala
technical support.
If the product must be returned for service, see www.vaisala.com/returns.
For contact information of Vaisala Service Centers, see
www.vaisala.com/services/servicecenters.
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Chapter 7 ____________________________________________________________ Technical Data
CHAPTER 7
TECHNICAL DATA
This chapter provides the technical data of the HMP60 and HMP110
series probes.
Specifications
Performance (HMP60 and HMP63)
Relative Humidity
Measurement range 0 ... 100 %RH
Typical accuracy
temperature range +0 ... +40 °C
0 ... 90 %RH ±3 %RH
90 ... 100 %RH ±5 %RH
temperature range -40 ... 0 °C
and +40 ... +60 °C
0 ... 90 %RH ±5 %RH
90 ... 100 %RH ±7 %RH
Humidity sensor Vaisala INTERCAP®
Temperature
Measurement range -40 ... +60 °C
Accuracy over temperature range
+10 ... +30 °C ±0.5 °C
-40 ... +60 °C ±0.6 °C
Dewpoint
Measurement range -40 ... +60 °C
Typical accuracy
temperature range 0 ... +40 °C
when dewpoint depression* < 15 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +60 °C when
dewpoint depression* < 10 °C ±3 °C
*dewpoint depression = ambient temperature - dewpoint
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Performance (HMP110)
Relative Humidity
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
temperature range +0 ... +40 °C
0 ... 90 %RH ±1.7 %RH
90 ... 100 %RH ±2.5 %RH
temperature range -40 ... 0 °C
and +40 ... +80 °C
0 ... 90 %RH ±3.0 %RH
90 ... 100 %RH ±4.0 %RH
Factory calibration uncertainty (+20 °C) ±1.5 %RH
Humidity sensor Vaisala HUMICAP® 180R
Stability ±2 %RH over 2 years
Temperature
Measurement range -40 ... +80 °C
Accuracy over temperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Dewpoint
Measurement range -40 ... +80 °C
Accuracy (incl. non-linearity,
hysteresis and repeatability)
temperature range 0 ... +40 °C
when dewpoint depression < 15 °C ±1 °C
when dewpoint depression 15 ... 25 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +80 °C when
dewpoint depression < 15 °C ±2 °C
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Chapter 7 ____________________________________________________________ Technical Data
Performance (HMP113)
Relative Humidity
Measurement range 0 ... 100 %RH
Accuracy (incl. non-linearity, hysteresis
and repeatability)
temperature range +0 ... +40 °C
0 ... 90 %RH ±1.5 %RH
90 ... 100 %RH ±2.5 %RH
temperature range -40 ... 0 °C
and +40 ... +60 °C
0 ... 90 %RH ±3.0 %RH
90 ... 100 %RH ±4.0 %RH
Factory calibration uncertainty (+20 °C) ±1.5 %RH
Humidity sensor Vaisala HUMICAP® 180R
Stability ±2 %RH over 2 years
Temperature
Measurement range -40 ... +60 °C
Accuracy over temperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Dewpoint
Measurement range -40 ... +60 °C
Accuracy (incl. non-linearity,
hysteresis and repeatability)
temperature range 0 ... +40 °C
when dewpoint depression < 15 °C ±1 °C
when dewpoint depression 15 ... 25 °C ±2 °C
temperature range -40 ... 0 °C
and +40 ... +60 °C when
dewpoint depression < 15 °C ±2 °C
Performance (HMP110T)
Temperature
Measurement range -40 ... +80 °C
Accuracy over temperature range
0 ... +40 °C ±0.2 °C
-40 ... 0 °C, +40 ... +80 °C ±0.4 °C
Factory calibration uncertainty ±0.2 °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
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Operating Environment
Operating temperat ure range
HMP60 -40 ... +60 °C
HMP63 -40 ... +60 °C
HMP110 -40 ... +80 °C
HMP113 -40 ... +60 °C
HMP110T -40 ... +80 °C
Operating humidit y range 0 ... 100 %RH, non-condensing
Electromagnetic compatibility
HMP60, HMP110 and HMP110T EN 61326-1: Electrical equipment for
measurement, control and laboratory use EMC requirements – for use in industrial
locations.
EN 55022 Class B: Information technology
equipment - Radio disturbance characteristics
- Limits and methods of measurement.
HMP63 and HMP113 EN 61326-1: Electrical equipment for
measurement, control and laboratory use EMC requirements – Basic immunity test
requirements.
EN 55022 Class B: Information technology
equipment - Radio disturbance characteristics
- Limits and methods of measurement.
Inputs and Outputs
Operating voltage
with 0...1 V / 2.5 V or RS-485 5 ... 28 V
with 0...5 V / 1 ... 5 V 8 ... 28 V
Current consumption
typical average 1 mA
max peak 5 mA
Start-up time
probes with analog output 4 s at operating voltage 13.5 ... 16.5 VDC
2 s at other valid operating voltages
probes with digital output 1 s
Outputs
analog output channels 2
analog output types 0 ... 1 VDC / 2.5 VDC / 5VDC, 1 ... 5 VDC
with loop power converter 4 ... 20 mA (separate module, compatible
with humidity accuracy only)
digital output (optional) RS-485 two-wire half-duplex
External loads
0 ... 1 R
0 ... 2.5 / 0 ... 5 / 1 ... 5 V R
min 10 kΩ
L
min 50 kΩ
L
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Chapter 7 ____________________________________________________________ Technical Data
Mechanics (HMP60, HMP110 and HMP110T)
Materials
body Stainless steel (AISI 316)
grid filter Chrome coated ABS plastic
cable Polyurethane or FEP
Housing classification IP65
Body thread M12x1 / 10 mm
Cable connector 4-pin M8 (IEC 60947-5-2)
Cable lengths 0.3 and 3 m
Weight
probe 17 g
probe with 0.3 m cable 28 g
Mechanics (HMP63 and HMP113)
Materials
body PC/ABS blend
grid filter PC (glass reinforced)
cable Polyurethane of FEP
Housing classification IP54
Cable connector 4-pin M8 (IEC 60947-5-2)
Cable lengths 0.3 and 3 m
Weight
probe 9 g
probe with 0.3 m cable 20 g
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User's Guide ______________________________________________________________________
HMP60
HMP110
HMP110T
HMP63
HMP113
Sensors
Vaisala INTERCAP® sensor, 1 piece
● ●
15778HM
Vaisala INTERCAP® sensor, 10 pcs
● ●
INTERCAPSET-10PCS
Vaisala HUMICAP® 180R sensor
● ●
HUMICAP180R
Sensor protection
Plastic grid filter, male thread
● ● ●
DRW010522
Membrane filter, male thread
● ● ●
DRW010525
Stainless steel sintered filter,
male thread
● ● ●
HM46670SP
Plastic grid for use with HM40,
male thread
● ●
DRW236214SP
Membrane filter, female thread
● ●
230727SP
Stainless steel sintered filter,
female thread
● ●
HM47280SP
Porous PTFE filter, female thread
● ●
219452SP
Accessories
Loop power converter (4 ... 20 mA)
● ● ● ● ●
UI-CONVERTER-1CB
Mounting bracket with lid
for loop power converter
● ● ● ● ●
225979
Plastic M12 installation nuts, pair
● ● ●
18350SP
Probe mounting clamp set, 10 pcs
● ● ● ● ●
226067
Probe mounting flange
● ● ● ● ●
226061
Duct installation kit
● ● ●
215619
Plastic locking bushing (3 pcs)
● ●
DRW238590SP
USB serial interface cable
● ● ● ● ●
219690
Description
Item Code
Standard 0.3 m
HMP50Z032SP
Standard 3 m
HMP50Z300SP
80 ºC 1.5 m
225777SP
80 ºC 3 m
225229SP
+180 ºC 3 m FEP
226902SP
Options and Accessories
Table 10 Options and Accessories
Description
Item Code
● = Part is compatible
Table 11 Connection Cables
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*M211060EN*
www.vaisala.com
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