Vaisala HMDW80 User Manual

USER'S GUIDE

Vaisala INTERCAP® Humidity and

Temperature Transmitters

HMDW80 Series

M211510EN-C

PUBLISHED BY

Vaisala Oyj Phone (int.): [phone]
P.O. Box 26 Fax: [phone]
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.

_________________________________________________________________________________

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

Trademarks ............................................................................... 8

Software License ...................................................................... 8

Warranty .................................................................................... 8

CHAPTER 2

PRODUCT OVERVIEW .................................................................................. 9

Introduction to HMDW80 Series ............................................. 9

HMDW80 Series Transmitter Models .................................... 10

Output Parameters Explained ............................................. 10

Transmitter Parts – Duct Models .......................................... 11

Transmitter Parts – Wall Models ........................................... 12

Transmitter Parts – Outdoor Models .................................... 14

Display ..................................................................................... 15

Analog Output Overrange Behavior ..................................... 16

CHAPTER 3

INSTALLATION ............................................................................................ 17

Selecting Location ................................................................. 17

Installing Duct Models HMD82/83 and TMD82/83 ............... 18

Installing Wall Models HMW88 and HMW89 ........................ 20

Installing Wall Models HMW82/83 and TMW82/83 .............. 21

Installing Outdoor Models HMS82/83 ................................... 22

Configuration and Wiring ..................................................... 23

Pole installation ................................................................... 24

Wall installation ................................................................... 25

Wiring ...................................................................................... 26

HMD82(D), HMW88(D), and HMS82 .................................. 26

TMD82 ................................................................................. 26

HMD83(D), HMW89(D), and HMS83 .................................. 27

TMD83 ................................................................................. 27

HMW82 ............................................................................... 28

TMW82 ................................................................................ 28

HMW83 ............................................................................... 29

TMW83 ................................................................................ 29

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User's Guide _______________________________________________________________________

DIP Switches ........................................................................... 30

CHAPTER 4

MAINTENANCE ............................................................................................ 33

Cleaning ................................................................................... 33

Calibration ............................................................................... 33

Replacing the INTERCAP® Humidity Sensor ....................... 34

Replacing the INTERCAP® Sensor on Models HMD82/83

and HMW88/89 .................................................................... 34

Replacing the INTERCAP® Sensor on Wall Models

HMW82/83 ........................................................................... 35

Replacing the INTERCAP® Sensor on Outdoor Models

HMS82/83 ............................................................................ 36

CHAPTER 5

TROUBLESHOOTING .................................................................................. 41

Problem Situations ................................................................. 41

Analog Output Error State ..................................................... 42

Error Messages on the Display ............................................. 42

Technical Support .................................................................. 43

Product Returns...................................................................... 43

CHAPTER 6

TECHNICAL DATA ...................................................................................... 45

Specifications ......................................................................... 45

Spare Parts and Accessories ................................................ 48

2 ____________________________________________________________________ M211510EN-C

_________________________________________________________________________________

List of Figures

Figure 1 Parts of Duct Mounted Models (HMD82/83 and TMD82/83) ... 11

Figure 2 Parts of Wall Mounted Models (HMW88/89) ............................ 12

Figure 3 Parts of Wall Mounted Models (HMW82/83 and TMW82/83) .. 13

Figure 4 Parts of Outdoor Models (HMS82/83) ...................................... 14

Figure 5 Startup Screens (HMD83D) ..................................................... 15

Figure 6 Measurement Screen (HMD83D) ............................................. 15

Figure 7 Measurement Screen with Error (HMD83D) ............................ 15

Figure 8 Duct Model Installation ............................................................. 19

Figure 9 Position the Sensor to Center of Duct ...................................... 19

Figure 10 Duct Model Dimensions (HMD82/83 and TMD82/83) .............. 19

Figure 11 Wall Model Dimensions (HMW88/89) ...................................... 20

Figure 12 Wall Model Dimensions (HMW82/83 and TMW82/83) ............ 21

Figure 13 Outdoor Model Dimensions (HMS82/83) ................................. 22

Figure 14 Location of DIP Switches and Screw Terminal ........................ 23

Figure 15 HMS82/83 Pole Installation ...................................................... 24

Figure 16 Securing the Cable on a Pole .................................................. 24

Figure 17 HMS82/83 Wall Installation ...................................................... 25

Figure 18 Securing the Cable on a Wall ................................................... 25

Figure 19 DIP Switches on Component Board ......................................... 30

Figure 20 Sensors on HMD82/83 and HMW88/89 Models ...................... 34

Figure 21 INTERCAP® Sensor on HMW82/83 Models ............................ 35

Figure 22 Unplugging the Screw Terminal ............................................... 36

Figure 23 Opening the Radiation Shield Screws ...................................... 37

Figure 24 Removing the Radiation Shield Screws ................................... 37

Figure 25 Location of Locking Tab ........................................................... 38

Figure 26 Removing the Radiation Shield ................................................ 38

Figure 27 Filter Removed ......................................................................... 39

Figure 28 Sensors on HMS82/83 Models ................................................ 39

List of Tables

Table 1 Manual Revisions ....................................................................... 6

Table 2 Related Manuals ........................................................................ 6

Table 3 HMDW80 Series Transmitter Models ....................................... 10

Table 4 Parameters Supported by HMDW80 Series ............................ 10

Table 5 DIP Switch Positions for Metric Output .................................... 31

Table 6 DIP Switch Positions for Non-Metric Output ............................ 31

Table 7 Possible Problem Situations and Their Remedies ................... 41

Table 8 Error Messages on the Display ................................................ 42

Table 9 Specifications for HMW82/83 and TMW82/83 ......................... 45

Table 10 Specifications for HMD82/83, TMD82/83, HMW88/89, and

HMS82/83 ................................................................................ 46

Table 11 Specifications for HMD82/83D and HMW88/89D .................... 47

Table 12 Operating Environment (All Models) ........................................ 47

Table 13 Inputs and Outputs ................................................................... 47

Table 14 Mechanics ................................................................................ 48

Table 15 HMDW80 Series Spare Parts and Accessories ....................... 48

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4 ____________________________________________________________________ M211510EN-C

Chapter 1 _________________________________________________________ General Information

CHAPTER 1

GENERAL INFORMATION

This chapter provides general notes for the manual and the HMDW80
series.

About This Manual

This manual provides information for installing, operating, and
maintaining HMDW80 series transmitters.

Contents of This Manual

This manual consists of the following chapters:

- Chapter 1, General Information, provides general notes for the manual
and the HMDW80 series.

- Chapter 2, Product Overview, introduces the features and options of
the HMDW80 series transmitters.

- Chapter 3, Installation, provides you with information that is intended
to help you install HMDW80 series transmitters.

- Chapter 4, Maintenance, provides information that is needed in basic
maintenance of HMDW80 series.

- Chapter 5, Troubleshooting, describes possible problems, their
probable causes and remedies, and provides contact information for
technical support.

- Chapter 6, Technical Data, provides the technical data of the
HMDW80 series.

VAISALA _________________________________________________________________________ 5

User's Guide _______________________________________________________________________

Manual Code

Description

M211510EN-C

June 2013. This manual. Changes:

display to IP65.

M211510EN-B

March 2013. Previous version. Updated list of spare
parts and accessories.

Manual Code

Manual Name

M211507EN

HMD82 HMD83 Wiring Diagram

M211508EN

HMW88 HMW89 Wiring Diagram

M211328EN

HMW82 HMW83 Quick Guide

M211509EN

HMS82 HMS83 Quick Guide

Version Information

Table 1 Manual Revisions

- Added outdoor transmitter models HMS82 and
HMS83.

- Changed PTFE membrane filter model from
230727SP (30 mm long) to ASM210856SP
(24.5 mm long).

- Changed PTFE filter model from 219452SP
(40 mm long) to DRW239993SP (22 mm long).

- Improved IP classification of models with

Related Manuals

WARNING

CAUTION

Table 2 Related Manuals

Documentation Conventions

Throughout the manual, important safety considerations are highlighted
as follows:

Warning alerts you to a serious hazard. If you do not read and follow
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 this point, the product could be damaged or
important data could be lost.

NOTE

Note highlights important information on using the product.

6 ____________________________________________________________________ M211510EN-C

Chapter 1 _________________________________________________________ General Information

Installation of HMDW80 series transmitters may involve working at a
height. Assess the risks and plan your work so it is carried out safely.
Try avoiding work at height, if you can.

Make sure the wires are de
screw terminals.

Do not modify the unit. Improper modification can damage the product
or lead to malfunction.

Recycle all a

Dispose of the unit according to statutory regulations. Do not dispose of
with regular household refuse.

Safety

The HMDW80 series transmitter delivered to you has been tested for
safety and approved as shipped from the factory. Note the following
precautions:

WARNING

CAUTION

CAUTION

-energized when you connect them to the

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, always
hold component boards by the edges and avoid touching the component
contacts.

Recycling

pplicable material.

VAISALA _________________________________________________________________________ 7

User's Guide _______________________________________________________________________

Regulatory Compliances

HMDW80 series complies with the following performance and
environmental test standards:

- EMC-Directive

Conformity is shown by compliance with the following standards:

- EN 61326-1: Electrical equipment for measurement, control, and
laboratory use – EMC requirements – For use in industrial locations.

- EN 550022: Information technology equipment – Radio disturbance
characteristics – Limits and methods of measurement.

Trademarks

INTERCAP® is a registered trademark of Vaisala Oyj.

Software License

This product contains software developed by Vaisala. Use of the software
is governed by license terms and conditions included in the applicable
supply contract or, in the absence of separate license terms and
conditions, by the General License Conditions of Vaisala Group.

Warranty

Visit our Internet pages for 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.

8 ____________________________________________________________________ M211510EN-C

Chapter 2 ___________________________________________________________ Product Overview

CHAPTER 2

PRODUCT OVERVIEW

This chapter introduces the features and options of the HMDW80 series
transmitters.

Introduction to HMDW80 Series

Vaisala INTERCAP® Humidity and Temperature Transmitter Series
HMDW80 measure relative humidity and temperature in various building
automation applications. Transmitters combine easy installation and
reliable operation with a low requirement for maintenance.

HMDW80 series includes transmitters for wall and duct mounting,
humid areas, and for outdoor installation. It also includes temperature­only transmitters and transmitters with an optional display. Calculated
humidity parameters – dewpoint, wet bulb temperature, and enthalpy –
are also available.

HMDW80 series transmitters require minimal maintenance thanks to
their excellent sensor stability and high-quality materials. If necessary,
the INTERCAP® humidity sensor can be easily exchanged in the field
with practically no downtime.

Features provided by transmitters in the HMDW80 series:

- ±3.0 %RH accuracy.

- 0 ... 100 %RH measurement range.

- User exchangeable INTERCAP® humidity sensor for easy field
replacement.

- Several output parameters; see section HMDW80 Series Transmitter
Models on page 10 for list of supported parameters by transmitter
model.

- Several IP65-classified models for demanding HVAC applications.

- UL-V0 flammability rating.

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User's Guide _______________________________________________________________________

Model

Type

Outputs

Display

IP Rating

Output Parameters

HMD82

Duct

2 × 4 ... 20 mA

No

IP65

T, RH, Td, h, Tw

HMD82D

Duct

2 × 4 ... 20 mA

Yes

IP65

T, RH, Td, h, Tw

TMD82

Duct

1 × 4 ... 20 mA

No

IP65

T

HMD83

Duct

2 × 0 ... 10 V

No

IP65

T, RH, Td, h, Tw

HMD83D

Duct

2 × 0 ... 10 V

Yes

IP65

T, RH, Td, h, Tw

TMD83

Duct

1 × 0 ... 10 V

No

IP65

T

HMW82

Wall

2 × 4 ... 20 mA

No

IP30

T, RH

TMW82

Wall

1 × 4 ... 20 mA

No

IP30

T

HMW83

Wall

2 × 0 ... 10 V

No

IP30

T, RH

TMW83

Wall

1 × 0 ... 10 V

No

IP30

T

HMW88

Wall

2 × 4 ... 20 mA

No

IP65

T, RH, Td, h, Tw

HMW88D

Wall

2 × 4 ... 20 mA

Yes

IP65

T, RH, Td, h, Tw

HMW89

Wall

2 × 0 ... 10 V

No

IP65

T, RH, Td, h, Tw

HMW89D

Wall

2 × 0 ... 10 V

Yes

IP65

T, RH, Td, h, Tw

HMS82

Outdoor

2 × 4 ... 20 mA

No

IP65

T, RH, Td, h, Tw

HMS83

Outdoor

2 × 0 ... 10 V

No

IP65

T, RH, Td, h, Tw

Parameter

Symbol

Unit(s)

Description

Temperature

T

°C
°F

Temperature in Celsius or Fahrenheit scale.

Relative

RH % Ratio of the partial pressure of water vapor in

at the current temperature.

Dewpoint

Td

°C

Temperature at which the water vapor in the air

dewpoint.

Enthalpy

h

kJ/kg
BTU/lb

Sum of the internal energy of a thermodynamic
system.

Wet bulb
temperature

Tw

°C
°F

The minimum temperature that can be reached
by evaporative cooling in the current conditions.

HMDW80 Series Transmitter Models

Table 3 below lists the most important differences between the HMDW80
series transmitter models. For technical specifications, see Chapter 6, Technical
Data, on page 45.

Table 3 HMDW80 Series Transmitter Models

Output Parameters Explained

Table 4 Parameters Supported by HMDW80 Series

humidity

°F

the air to the saturation vapor pressure of air

will condense into water at the current pressure.
When the dewpoint is below 0 °C, the
transmitter outputs frostpoint (Tf) instead of

10 ___________________________________________________________________ M211510EN-C

Chapter 2 ___________________________________________________________ Product Overview

1 = PTFE membrane filter.

2 = INTERCAP® humidity sensor and temperature sensor.
Not included in TMD82 and TMD83 models.

3 = Probe.

4 = Fastening flange.

5 = Tightening screw for fastening flange.

6 = Screws for attaching the flange to a duct (2 pcs included).

7 = Type label.

8 = DIP switches for selecting humidity parameter and display units.
Not included in TMD82 and TMD83 models.

9 = Cable gland. Suitable for 4 ... 8 mm diameter cable.

10 = Display (in HMD82D and HMD83D models).

11 = Screw terminals.

12 = Window for display (in HMD82D and HMD83D models).

13 = Transmitter cover with captive screws.

5

1

2

6

4

7
8

9

11

12

13

3

10

Transmitter Parts – Duct Models

1302-018

Figure 1 Parts of Duct Mounted Models (HMD82/83 and

TMD82/83)

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User's Guide _______________________________________________________________________

1 = Screw holes for mounting (2 pcs).

2 = Display (in HMW88D and HMW89D models).

3 = Type label.

4 = DIP switches for selecting humidity parameter and display units

5 = Cable gland. Suitable for 4 ... 8 mm diameter cable.

6 = Screw terminals.

7 = Probe.

8 = INTERCAP® humidity sensor and temperature sensor.

9 = PTFE filter.

10 = Window for display (in HMW88D and HMW89D models)

11 = Transmitter cover with captive screws.

1

11

2
3

6

4

5

1

8

7

9

10

Transmitter Parts – Wall Models

1302-019

Figure 2 Parts of Wall Mounted Models (HMW88/89)

12 ___________________________________________________________________ M211510EN-C

Chapter 2 ___________________________________________________________ Product Overview

1 = Opening tab: push down to open the transmitter.

2 = Direction arrow. Must point up after mounting base has been
installed on the wall.

3 = Wiring label.

4 = Screw terminals.

5 = Mounting base.

6 = Transmitter cover with component board.

2

1

3

4

6

5

1302-020

Figure 3 Parts of Wall Mounted Models (HMW82/83 and

TMW82/83)

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User's Guide _______________________________________________________________________

1 = Radiation shield. Do not remove for installation, only when
changing sensor or filter.

2 = Long screws that keep the radiation shield in place (2 pcs),
3 mm hex socket.

3 = INTERCAP® humidity sensor and temperature sensor under
PTFE membrane filter.

4 = Screw terminal. Detachable for easy installation.

5 = Transmitter body.

6 = Screws for pole mounting (2 pcs), medium size crosshead type
(Pozidriv).

7 = Clamp for pole mounting. The holes are threaded for the included
pole mounting screws and set screw.

8 = Set screw, medium size crosshead type (Pozidriv).
Install after pole mounting to stop the transmitter from turning.

9 = Medium size crosshead screws (6 pcs) that hold the transmitter
cover in place.

10 = Transmitter cover.

11 = Cable gland. Suitable for 4 ... 8 mm diameter cable.

12 = Configuration DIP switches. See section DIP Switches on page 30.

1

2

3

7

8

6

5

11

4

12

9

10

Transmitter Parts – Outdoor Models

1304-048

Figure 4 Parts of Outdoor Models (HMS82/83)

14 ___________________________________________________________________ M211510EN-C

Chapter 2 ___________________________________________________________ Product Overview

Display

Display is present on the following models:

- HMD82D and HMD83D

- HMW88D and HMW89D

When the transmitter is powered on, it displays a sequence of
information screens about the transmitter and its analog outputs.
The screens are shown for a few seconds each. Checking the screens on
startup is a good way to verify that the transmitter’s configuration DIP
switches are set correctly.

1302-021

Figure 5 Startup Screens (HMD83D)

After the startup screens have been displayed, the transmitter will show
the measurement screen.

1302-024

Figure 6 Measurement Screen (HMD83D)

If one of the transmitter’s error states is active, a notification symbol and
error text will appear on the screen. Depending on the error, the affected
measurement readings may be replaced by asterisks “*”. For more
information on the possible errors, see section Error Messages on the
Display on page 42.

1302-025

Figure 7 Measurement Screen with Error (HMD83D)

VAISALA ________________________________________________________________________ 15

User's Guide _______________________________________________________________________

Analog Output Overrange Behavior

Analog outputs of the HMDW80 series transmitters have a defined
behavior when the values measured by the transmitter are outside the
scaled analog output range:

- Output is clipped at the end of the range.

- Output is set to error state when measured value is 5% outside the
scaled range. See section Analog Output Error State on page 42.

- Output resumes normal function when measured value is back on the
scaled range.

NOTE

NOTE

HMW82/83 and TMW82/83 transmitters are different from the rest of
the HMDW80 series. Their analog output is clipped at 10% outside the
scaled range, and their analog outputs enter the error state when the
measured value is 20% outside the range.

For example, consider the temperature output of the HMD82 transmitter.
The output is 4 ... 20 mA, scaled to -40 ... +60 °C (-40 ... +140 °F).

- When measured temperature rises above +60 °C (+140 °F), the output
rises to 20 mA and stops rising even if temperature rises further.

- If the temperature rises above +65 °C (+149 °F), the output enters the
error state of 3.6 mA.

This overrange behavior does not mean there is a problem with the
measurements, and it does not affect the readings shown on the display
(if included in the transmitter model). The display always shows the
currently measured readings if the measurement is operating without
error. For more information on transmitter errors, see section Error
Messages on the Display on page 42.

16 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

CHAPTER 3

INSTALLATION

This chapter provides you with information that is intended to help you
install HMDW80 series transmitters.

Selecting Location

When mounting duct model transmitters:

- Avoid installing in a location where condensation may fall on the
sensor inside the duct.

- Position the sensor in the center of the duct.

- Select a site where the transmitter can be installed horizontally, onto
the side of the duct.

When mounting wall model transmitters:

- Select a location that represents well the area of interest.

- Do not install on the ceiling.

- Avoid placing the transmitter near heat and moisture sources, close to
the discharge of the supply air ducts, and in direct sunlight.

When mounting outdoor transmitters:

- Install in a place that receives minimal direct sunlight. In the northern
hemisphere, the North side of the building typically provides a
suitable shaded location.

- Avoid placing the transmitter near windows, air conditioning units, or
other heat and moisture sources such as cooling towers.

- Install the transmitter at least 2.5 m above ground level.

VAISALA ________________________________________________________________________ 17

User's Guide _______________________________________________________________________

Installing Duct Models HMD82/83 and TMD82/83

REQUIRED

TOOLS

- Medium size crosshead screwdriver (Pozidriv) for screws on

cover and flange.

- Small slotted screwdriver for screw terminals.

- Drill with 2.5 mm and 13 mm bits for making the installation

holes.

- Tools for cutting and stripping wires.

- 19 mm open-end wrench for tightening the cable gland.

1. Remove the yellow transport protection cap and separate the
fastening flange from the transmitter.

2. Use the flange to mark the location and size of the installation holes
on the side of the duct.

3. Drill the installation holes in the duct. Refer to Figure 8 below.

4. Secure the fastening flange to the duct with the two screws
(included).

5. Push the probe of the transmitter through the flange and into the
duct. The probe should reach far enough so that the sensor is
located in the middle of the duct.

6. Secure the transmitter to the flange by tightening the screw on the
flange that holds the probe in place.

7. Open the transmitter cover, and route the power and signal cable
through the cable gland. Connect the wires to the screw terminals.
Refer to section Wiring on page 26.

8. Check that the DIP switches (if present in your transmitter model)
are set as desired. See section DIP Switches on page 30.

9. Tighten the cable gland and close the transmitter cover.

18 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

99

290.8

250.2

40.6

72

Ø4...8

105

Ø3.5

Ø12

84

26

34

244.5

Ø12

1302-026

Figure 8 Duct Model Installation

1302-027

Figure 9 Position the Sensor to Center of Duct

1302-028

Figure 10 Duct Model Dimensions (HMD82/83 and TMD82/83)

VAISALA ________________________________________________________________________ 19

User's Guide _______________________________________________________________________

88

Ø3.5

Ø10

Ø3.5

Ø10

192.5

72

40.6

Ø4...8

105

87.5

Ø12

Installing Wall Models HMW88 and HMW89

REQUIRED

TOOLS

- Medium size crosshead screwdriver (Pozidriv) for cover screws.

- Small slotted screwdriver for screw terminals.

- Two installation screws: Ø < 3.5 mm, head Ø < 10 mm.

- Depending on the wall material and screw type, you may need a

drill and a suitable drill bit to make installation holes for screws.

- Tools for cutting and stripping wires.

- 19 mm open-end wrench for tightening the cable gland.

1. Open the transmitter cover and use two screws (not included) to
attach the transmitter to the wall. The probe and cable gland should
point down.

2. Route the power and signal cable to the screw terminals and
connect the wires. Refer to section Wiring on page 26.

3. Close the transmitter cover and remove the yellow transport
protection cap from the probe.

1302-029

Figure 11 Wall Model Dimensions (HMW88/89)

20 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

The arrow on the mounting base must point straight up after installation.
Proper orientation is important:
bottom and top.

76.9

123.7

9
5

5.5

81

127.3

60.3

59

Ø4.4

Ø4.4

20

32.4

24

Installing Wall Models HMW82/83 and TMW82/83

REQUIRED

TOOLS

NOTE

- Small flat head screwdriver for opening the transmitter and for

screw terminals.

- Two screws, max Ø 4 mm.

- Depending on the wall material and screw type, you may need a

drill and a suitable drill bit to make installation holes for screws.

- Tools for cutting and stripping wires.

1. Use a flat head screwdriver to push down the tab on top of the

transmitter and separate the mounting base from the transmitter
cover.

2. Use the mounting holes to attach the mounting base securely. Use

at least two screws (not included, max Ø 4 mm).

air must flow through the vents on the

3. Route the power and signal cable to the screw terminals and

connect the wires. Refer to section Wiring on page 26.

4. Close the transmitter cover when done.

1302-030

Figure 12 Wall Model Dimensions (HMW82/83 and TMW82/83)

VAISALA ________________________________________________________________________ 21

User's Guide _______________________________________________________________________

207

264.2

121.5

Ø5.5

Ø4...8

Ø25 ...60

100

Installing Outdoor Models HMS82/83

WARNING

REQUIRED

TOOLS

Assess the risks posed by the height and accessibility of the installation
location, and plan your work so it is carried out safely. Try avoiding
work at height, if you can.

- Medium size crosshead screwdriver (Pozidriv)

- Small slotted screwdriver for screw terminals.

- Tools for cutting and stripping wires.

- 19 mm open-end wrench for tightening the cable gland.

Additional tools for pole installation:

- Zip ties for securing the cable to the pole.

Additional tools for wall installation:

- Drill and bits.

- Screws (2 pcs, Ø < 5.5 mm) and wall plugs

- Cable clips for securing the cable to the wall.

1304-053

22 ___________________________________________________________________ M211510EN-C

Figure 13 Outdoor Model Dimensions (HMS82/83)

Chapter 3 ________________________________________________________________ Installation

Configuration and Wiring

To minimize working at height at the installation location, prepare the
transmitter configuration and wiring before climbing up.

1. Open the six screws that hold the transmitter cover.

2. Check that the DIP switches are set as desired. See section DIP

Switches on page 30.

3. Route the power and signal cable to the screw terminals and

connect the wires. Refer to section Wiring on page 26.

4. Disconnect the screw terminal block by pulling it away from the

component board.

5. Adjust the length of cable between the cable gland and the terminal

block. Make the cable short enough to close the cover without
leaving a cable loop in the transmitter.

6. Tighten the cable gland. Leave the cover off for now.

1304-059

Figure 14 Location of DIP Switches and Screw Terminal

VAISALA ________________________________________________________________________ 23

User's Guide _______________________________________________________________________

Pole installation

NOTE

Recommended pole diameter for HMS82/83 installation with the
supplied clamp and screws is 25 ... 60 mm.

1. Use the supplied clamp and screws to mount the transmitter on a
pole.

2. To prevent the transmitter from turning on the pole, tighten the set
screw on the center hole of the clamp.

1304-054

Figure 15 HMS82/83 Pole Installation

3. Plug in the screw terminal block, close the cover, and tighten the
screws.

4. Secure the cable to the pole using a zip tie. Allow some cable to
hang down from the cable gland to prevent water from entering the
transmitter along the cable.

1304-056

Figure 16 Securing the Cable on a Pole

24 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

100 mm

Ø 5.5 mm

Wall installation

1. Drill two holes for wall plugs 100 mm apart.

2. Place the wall plugs in the holes.

3. Mount the transmitter using two screws of sufficient length.

1304-055

Figure 17 HMS82/83 Wall Installation

4. Plug in the screw terminal block, close the cover, and tighten the

screws.

5. Secure the cable to the wall using cable ties. Allow some cable to

hang down from the cable gland to prevent water from running to
the transmitter along the cable.

1304-057

Figure 18 Securing the Cable on a Wall

VAISALA ________________________________________________________________________ 25

User's Guide _______________________________________________________________________

HUM­T+
T-

HUM+

2
3
4

1

10

...

28 VDC

mA

mA

+

-

+

-

10

...

28 VDC

RL = 0

...

600 Ω

mA

mA

+

-

-

RL = 0

...

600 Ω

10

...

28 VDC

HUM­T+
T-

HUM+

2
3
4

1

mA

+

-

RL = 0

...

600 Ω

T-T+2

3
4

1

10

...

28 VDC

Wiring

WARNING

NOTE

Connect only de-energized wires.

Transmitters with a configurable humidity output parameter use the
marking HUM on the screw terminal labels. The default output
parameter is relative humidity (RH) with output scaled to 0 ... 100 %RH,
but the parameter can be changed using DIP switches. Changing the
parameter also changes the output scaling. See section DIP Switches on
page 30.

HMD82(D), HMW88(D), and HMS82

Two 4 ... 20 mA
outputs, temperature
output scaling

-40 ... +60 °C
(-40 ... +140 °F).

Alternate wiring with
one power supply.

TMD82

4 ... 20 mA output,
scaling -40 ... +60 °C
(-40 ... +140 °F).
Leave terminals 3 and 4
unconnected.

26 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

V

V

+

-

18

...

35 VDC

or 24 VAC

VDC-/AC
T+
HUM+

VDC+/AC

2
3
4

1

5

T-/HUM-

RL = min. 10 kΩ

V

V

+

-

18

...

35 VDC

or 24 VAC

VDC-/AC
T+
HUM+

VDC+/AC

2
3
4

1

5

T-/HUM-

R

L

= min. 10 kΩ

+

-

V

VDC-/AC
T+
HUM+

VDC+/AC

2
3
4

1

18

...35 VDC

or 24

VAC

5

T-/HUM-

R

L

= min. 10 kΩ

+

-

V

VDC-/AC
T+
HUM+

VDC+/AC

2
3
4

1

18

...

35 VDC

or 24 VAC

5

T-/HUM-

RL = min. 10 kΩ

HMD83(D), HMW89(D), and HMS83

Two 0 ... 10 V outputs,
temperature output
scaling -40 ... +60 °C
(-40 ... +140 °F).

Terminals 2 and 5 are
internally connected on
the transmitter, so you
can also use a cable with
four wires.

TMD83

One 0 ... 10 V output,
scaling -40 ... +60 °C
(-40 ... +140 °F).

Terminals 2 and 5 are
internally connected on
the transmitter, so you
can also use a cable with
three wires.

VAISALA ________________________________________________________________________ 27

User's Guide _______________________________________________________________________

Two 4 ... 20 mA

optional.

-T -RH+T +RH

10

...

28 VDC

+

-

10

...

28 VDC

+

-

mA

mA

RL = 0

...

600 Ω

-T +T

10

...

28 VDC

+

-

mA

RL = 0

...

600 Ω

HMW82

outputs, temperature
output scaling

-5 ... +55 °C
(+23 ... +131 °F).

You must connect the
RH channel of the
HMW82, even if you

only want to measure
temperature. Connecting
the T channel is

TMW82

One 4 ... 20 mA output,
scaling -5 ... +55 °C
(+23 ... +131 °F).

Leave the two terminals
on the left unconnected.

28 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

-T -VS+T +VS

-RH +RH

+

-

18

...

35 VDC

or 24 VAC

RL = min. 10 kΩ

V

V

-T -VS+T +V

S-RH +RH

+

-

18

...

35 VDC

or 24 VAC

V

V

RL = min. 10 kΩ

-T -VS+T

+VS

+

-

18

...

35 VDC

or 24 VAC

RL = min. 10 kΩ

V

-T -VS+T +VS

RL = min. 10 kΩ

V

+

-

18

...

35 VDC

or 24 VAC

HMW83

Two 0 ... 10 V outputs,
temperature output
scaling -5 ... +55 °C
(+23 ... +131 °F).

This is the
recommended wiring
for long cables.

3-wire connection with ­VS as common ground.
Not recommended if
cable resistance is more
than 2.5 Ω.

TMW83

One 0 ... 10 V output,
scaling -5 ... +55 °C
(+23 ... +131 °F).

This is the
recommended wiring
for long cables.

3-wire connection with

-VS as common ground.
Not recommended if
cable resistance is more
than 2.5 Ω.

VAISALA ________________________________________________________________________ 29

User's Guide _______________________________________________________________________

1
2
3
4

Metric

RH

Non-metric
Td

h
T

w

ON

DIP Switches

The DIP switches on the component board control the humidity output
parameter and scaling, and the units that are shown on the display.
The switches are present on the following models:

- HMD82(D) and HMD83(D)

- HMW88(D) and HMW89(D)

- HMS82 and HMS83

Figure 19 below shows the default position of the DIP switches. The
default settings are:

- Metric units shown on display.

- Relative humidity (RH) selected as humidity output parameter.

1302-053

Figure 19 DIP Switches on Component Board

30 ___________________________________________________________________ M211510EN-C

Chapter 3 ________________________________________________________________ Installation

DIP Position

Analog Output
Parameter and Scaling

Parameters and Units
on Display

Relative humidity (RH)

-40 ... +60 °C

RH (%)

Dewpoint (Td)

Td (°C)

Enthalpy (h)

-40 ... +60 °C

h (kJ/kg)

Wet bulb temperature (Tw)

-40 ... +60 °C

Tw (°C)

DIP Position

Analog Output
Parameter and Scaling

Parameters and Units
on Display

Relative humidity (RH)

-40 ... +140 °F

RH (%)

Dewpoint (Td)

-40 ... +140 °F

Td (°F)

Enthalpy (h)

h (BTU/lb)

Wet bulb temperature (Tw)

-40 ... +140 °F

Tw (°F)

1
2
3
4

1
2
3
4

1
2
3
4

1
2
3
4

1
2
3
4

1
2
3
4

1
2
3
4

1
2
3
4

Table 5 DIP Switch Positions for Metric Output

0 ... 100 %

Temperature (T)

-40 ... +60 °C

Temperature (T)

-40 ... +60 °C

-40 ... +460 kJ/kg

Temperature (T)

-40 ... +60 °C

Temperature (T)

T (°C)

T (°C)

T (°C)

T (°C)

Table 6 DIP Switch Positions for Non-Metric Output

VAISALA ________________________________________________________________________ 31

0 ... 100 %

Temperature (T)

-40 ... +140 °F

Temperature (T)

-10 ... +190 BTU/lb

Temperature (T)

-40 ... +140 °F

-40 ... +140 °F

Temperature (T)

T (°F)

T (°F)

T (°F)

T (°F)

User's Guide _______________________________________________________________________

This page intentionally left blank.

32 ___________________________________________________________________ M211510EN-C

Chapter 4 _______________________________________________________________ Maintenance

Do not attempt to clean contaminated INTERCAP
Instead,
purchased from Vaisala. For order codes, see secti
Accessories

CHAPTER 4

MAINTENANCE

This chapter provides information that is needed in basic maintenance of
HMDW80 series.

Cleaning

The body of the transmitter can be cleaned by wiping with a moistened
lint-free cloth. Do not use cleaning agents or solvents, or blow
pressurized air into the transmitter housing or on the filter.

NOTE

Calibration

You can verify the performance of your HMDW80 series transmitter by
comparing its reading with the reading from a portable reference
instrument such as the HM70 Hand-Held Humidity and Temperature
Meter. For operating instructions, refer to the documentation of your
reference instrument.

If the comparison indicates that the reading from the transmitter is not
within specification, the transmitter may need to have its filter and sensor
replaced.

®

sensors or filters.

replace them with new parts. Filters and sensors can be

on Spare Parts and

on page 48.

VAISALA ________________________________________________________________________ 33

User's Guide _______________________________________________________________________

1 = Vaisala INTERCAP® sensor. Handle by the plastic frame.

2 = Temperature sensor. Do not touch or attempt to remove.

3 = Sensor socket.

4 = Transmitter probe.

1

2

3

4

Replacing the INTERCAP® Humidity Sensor

HMDW80 series transmitters use the Vaisala INTERCAP® sensor for
humidity measurement. The INTERCAP® sensor is designed to be
replaced when necessary, and does not require adjustment by the user.

Replacing the INTERCAP® Sensor on Models HMD82/83 and HMW88/89

REQUIRED

TOOLS

- New INTERCAP® humidity sensor.

- New filter (always recommended when replacing the sensor).

- Duct models only: medium size crosshead screwdriver (Pozidriv).

1. Power down the transmitter.

2. Duct models only: loosen the tightening screw on the fastening
flange, and pull the probe out of the duct.

3. Remove the filter to access the sensors. See Figure 20 below.

4. Pull out the old INTERCAP® sensor, and insert the new one.

5. Insert the new filter.

6. Duct models only: push the probe back into the duct, to the same
depth where it was before. Tighten the tightening screw on the
fastening flange.

7. Power up the transmitter.

8. Verify that the transmitter now provides a valid humidity reading.

1305-024

Figure 20 Sensors on HMD82/83 and HMW88/89 Models

34 ___________________________________________________________________ M211510EN-C

Chapter 4 _______________________________________________________________ Maintenance

1

Replacing the INTERCAP® Sensor on Wall Models HMW82/83

REQUIRED

TOOLS

- New INTERCAP® humidity sensor.

- Small flat head screwdriver.

1. Use the screwdriver to push down on the tab on the top of the

transmitter and open the transmitter cover.

2. Remove the old sensor, and insert the new one. See Figure 21

below.

3. Reconnect the cover to the mounting base.

4. Verify that the transmitter now provides a valid humidity reading.

1305-018

Figure 21 INTERCAP® Sensor on HMW82/83 Models

VAISALA ________________________________________________________________________ 35

User's Guide _______________________________________________________________________

Replacing the INTERCAP® Sensor on Outdoor Models HMS82/83

REQUIRED

TOOLS

NOTE

- New INTERCAP® humidity sensor.

- New filter (always recommended when replacing the sensor).

- Medium size crosshead screwdriver (Pozidriv)

- Flat head screwdriver

- 3 mm hex key (Allen key) for opening the radiation shield screws.

- If transmitter mounted on pole: 2.5 mm hex key for opening and

tightening the set screw.

You will need to remove the radiation shield to access the sensor, and
this is difficult to do while the transmitter remains mounted on a pole or
wall. The procedure below takes advantage of the detachable screw
terminal to allow the cable to remain in place during the operation.

1. Power down the transmitter.

2. Open the transmitter cover and unplug the screw terminal. This
allows you to leave the cable and cover at the installation site.

1305-019

Figure 22 Unplugging the Screw Terminal

3. Remove the transmitter from its installation point.

36 ___________________________________________________________________ M211510EN-C

Chapter 4 _______________________________________________________________ Maintenance

4. Open the two long screws that hold the radiation shield, and pull

them out.

1305-020

Figure 23 Opening the Radiation Shield Screws

1305-021

Figure 24 Removing the Radiation Shield Screws

VAISALA ________________________________________________________________________ 37

User's Guide _______________________________________________________________________

5. Use a flat head screwdriver to push on the visible plastic tab below
the radiation shield.

1305-022

Figure 25 Location of Locking Tab

6. Tilt the radiation shield away from the opened tab. This opens the
second tab on the other side, allowing you to remove the radiation
shield.

1305-023

Figure 26 Removing the Radiation Shield

38 ___________________________________________________________________ M211510EN-C

Chapter 4 _______________________________________________________________ Maintenance

1 = Vaisala INTERCAP® humidity sensor.
Handle by the plastic frame.

2 = Temperature sensor. Do not touch or attempt to remove.

3 = Sensor socket.

4 = Transmitter probe.

1

2

3

4

7. Open the filter to expose the sensors.

1305-017

Figure 27 Filter Removed

8. Pull out the old INTERCAP® sensor, and insert the new one.

1305-024

Figure 28 Sensors on HMS82/83 Models

9. Insert the new filter.

10. Reassemble, remount, and reconnect the transmitter.

11. Power up the transmitter.

12. Verify that the transmitter now provides a valid humidity reading.

VAISALA ________________________________________________________________________ 39

User's Guide _______________________________________________________________________

This page intentionally left blank.

40 ___________________________________________________________________ M211510EN-C

Chapter 5 ____________________________________________________________ Troubleshooting

Problem

Probable Cause and Remedy

Transmitter outputs an

1. Models with probes: check if the yellow

has been selected using the DIP switches.

Temperature reading shown

1. The transmitter may be installed in an

pointing up.

Analog output reading is

The analog output channel may be in an

State on page 42.

CHAPTER 5

TROUBLESHOOTING

This chapter describes possible problems, their probable causes and
remedies, and provides contact information for technical support.

Problem Situations

Table 7 Possible Problem Situations and Their Remedies

incorrect humidity reading.

by the transmitter is too high.

unchanging and incorrect.

transport protection cap has been left over
the probe. Remove it if present.

2. Models with configurable output parameter:
check that the desired output parameter

unsuitable location, for example, near a
heat source or in sunlight. Use a portable
reference meter to check this.

2. HMW82 and HMW83: Check that the
transmitter is installed in proper orientation,
with the arrow on the mounting base

error state. See section Analog Output Error

VAISALA ________________________________________________________________________ 41

User's Guide _______________________________________________________________________

Error Message

Possible Cause and Solution

INTERNAL 1

INTERNAL 3

Internal problem with the transmitter. Restart the

technical support if unable to remove the problem.

ERROR HUM

Humidity measurement failed. Check if the humidity
sensor is damaged or missing.

ERROR T

Temperature measurement failed. Check if the
temperature sensor is damaged or missing.

Analog Output Error State

HMDW80 series transmitters set the output channel(s) into a defined
error level instead of the measured result in two situations:

- Transmitter detects a measurement malfunction. This means an actual
measurement problem, such as sensor damage or unsuitable
environmental conditions.

- Measured value(s) are well outside the scaled output range. For a
more detailed explanation, see section Analog Output Overrange
Behavior on page 16.

The error level depends on the output type:

- For 0 ... 10 V output, the error level is 11 V.
HMW83 and TMW83 are an exception to this, their error level is 0 V.

- For 4 ... 20 mA output, the error level is 3.6 mA.

The transmitter resumes normal operation of the analog output(s) when
the cause of the error state is removed.

Error Messages on the Display

Table 8 Error Messages on the Display

INTERNAL 2

transmitter to see if the problem remains. Contact Vaisala

42 ___________________________________________________________________ M211510EN-C

Chapter 5 ____________________________________________________________ Troubleshooting

Technical Support

For technical questions, contact the Vaisala technical support by e-mail at

[e-mail]. 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

If the product must be returned for service, see www.vaisala.com/returns.

For contact information of Vaisala Service Centers, see

www.vaisala.com/servicecenters.

VAISALA ________________________________________________________________________ 43

User's Guide _______________________________________________________________________

This page intentionally left blank.

44 ___________________________________________________________________ M211510EN-C

Chapter 6 _____________________________________________________________ Technical Data

Property

Description / Value

Operating environment

Operating temperature range

-5 ...+55 °C (+23 ... +131 °F)

Operating humidity range

0 …100 %RH, non-condensing

Relative humidity

Measurement range

0 … 100 %RH

Accuracy

Temperature range
+10 ... +30 °C (+50 ... +86 °F)

30 ... 70 %RH

±3 %RH

0 … 30 %RH, 70 … 100 %RH

±5 %RH

Temperature range

(+23 ... +50 °F, +86 ... +131 °F)

0 …100 %RH

±7 %RH

Stability in typical HVAC applications

±2 %RH over 2 years

Humidity sensor

Vaisala INTERCAP®

Temperature

Measurement range

-5 ...+55 °C (+23 ... +131 °F)

Accuracy

+10 … +30 °C (+50 °F … +86 °F)

±0.5 °C (±0.9 °F)

-5 … +10 °C, +30 … +55 °C
(+23 ... +50 °F, +86 ... +131°F)

±1.0 °C (±1.8 °C)

Temperature sensor

Digital temperature sensor

CHAPTER 6

TECHNICAL DATA

This chapter provides the technical data of the HMDW80 series.

Specifications

Table 9 Specifications for HMW82/83 and TMW82/83

-5 ... +10 °C, +30 ... + 55 °C

VAISALA ________________________________________________________________________ 45

User's Guide _______________________________________________________________________

Property

Description / Value

Operating environment

Operating temperature range

-40 ...+60 °C (-40 ... +140 °F)

Operating humidity range

0 …100 %RH

Relative humidity

Measurement range

0 … 100 %RH

Accuracy

Temperature range
+10 ... +30 °C (+50 ... +86 °F)

0 ... 90 %RH

±3 %RH

90 … 100 %RH

±5 %RH

Temperature range

(-4 ... +50 °F, +86 ... +140 °F)

0 ... 90 %RH

±5 %RH

90 … 100 %RH

±7 %RH

Temperature range -40 … -20 °C
(-40 … -4 °F)

0 … 100 %RH

±7 %RH

Stability in typical HVAC applications

±2 %RH over 2 years

Humidity sensor

Vaisala INTERCAP®

Temperature

Measurement range

-40 ...+60 °C (-40 ... +140 °F)

Accuracy

At +20 °C (+68 °F)

±0.3 °C (±0.54 °F)

Temperature dependence

±0.01 °C/°C

Temperature sensor

Pt1000 RTD Class F0.1 IEC 60751

Calculated parameters

Measurement range for dewpoint
temperature and wet bulb temperature

-40 ...+60 °C (-40 ... +140 °F)

Measurement range for enthalpy

-40…460 kJ/kg (-10…+190 BTU/lb)

Table 10 Specifications for HMD82/83, TMD82/83, HMW88/89,

and HMS82/83

-20 ... +10 °C, +30 ... +60 °C

46 ___________________________________________________________________ M211510EN-C

Chapter 6 _____________________________________________________________ Technical Data

Property

Description / Value

Operating environment

Operating temperature range

-5 … +60 °C (+23 … +140 °F)

Operating humidity range

0…100 %RH, non-condensing

Relative humidity

Measurement range

0 … 100 %RH

Accuracy

Temperature range
+10 ... +30 °C (+50 ... +86 °F)

0 ... 90 %RH

±3 %RH

90 … 100 %RH

±5 %RH

Temperature range

(+23 ... +50 °F, +86 ... +140 °F)

0 ... 90 %RH

±5 %RH

90 … 100 %RH

±7 %RH

Stability in typical HVAC applications

±2 %RH over 2 years

Humidity sensor

Vaisala INTERCAP®

Temperature

Measurement range
(Analog output scaling)

-40 … +60 °C (-40 … +140 °F)

Operating temperature range
of the display

-5 … +60 °C (+23 … +140 °F)

Accuracy

At +20 °C (+68 °F)

±0.3 °C (±0.54 °F)

Temperature dependence

±0.01 °C/°C

Temperature sensor

Pt1000 RTD Class F0.1 IEC 60751

Calculated parameters

Measurement range for dewpoint
temperature and wet bulb temperature

-40 ...+60 °C (-40 ... +140 °F)

Measurement range for enthalpy

-40…460 kJ/kg (-10…+190 BTU/lb)

Property

Description / Value

Operating environment

See model specifications

Maximum wind/flow speed

30 m/s

Storage temperature

-40 ... +60 °C (-40 ... +140 °F)

Electromagnetic compliance

EN61326-1, industrial environment

Property

Description / Value

Current output models (2-wire)

Outputs

4 ... 20 mA, loop powered

Loop resistance

0 ... 600 Ω

Supply voltage

20 ... 28 VDC at 600 Ω load
10 ... 28 VDC at 0 Ω load

Voltage output models (3-wire)

Outputs

0 ... 10 V

Load resistance

10 kΩ min

Supply voltage

18 ... 35 VDC
24 VAC ±20 % 50/60 Hz

Table 11 Specifications for HMD82/83D and HMW88/89D

-5 ... +10 °C, +30 ... +60 °C

Table 12 Operating Environment (All Models)

Table 13 Inputs and Outputs

VAISALA ________________________________________________________________________ 47

User's Guide _______________________________________________________________________

Property

Description / Value

Max. wire size

1.5 mm2 (AWG 16)

Standard housing color

White (RAL9003)

Housing material

HMW82/83, TMW82/83

ABS/PC (UL-V0 approved)

HMW88/89(D), HMD82/83(D),
TMD82/83, HMS82/83

PC + 10%GF (UL-V0 approved)

Sensors

Vaisala INTERCAP® humidity sensor, 1 piece

● ● ● ● 15778HM

Vaisala INTERCAP® humidity sensor, 10 pcs

● ● ● ● INTERCAPSET-10PCS

Sensor protection

PTFE membrane filter

● ● ● ASM210856SP

PTFE filter

● DRW239993SP

Accessories and Spare Parts

Fastening flange assembly (screws included)

● ● ASM210771SP

Cable gland with O-ring

● ● ● ● CABLEGLANDORING

Lid assembly with window for display
(screws included)

● ● ● ASM210793SP

Conduit fitting + O-ring (M16x1.5 / NPT1/2 Inch)

● ● ● ● 210675SP

Conduit fitting + O-ring (M16x1.5 / PG9, RE-MS)

● ● ● ● 210674SP

Table 14 Mechanics

Spare Parts and Accessories

Table 15 HMDW80 Series Spare Parts and Accessories

Description

● = Part is compatible

Item Code

HMD82/83

TMD82/83

HMW82/83 TMW82/83

HMW88/89 HMS82/83

48 ___________________________________________________________________ M211510EN-C

*M211510EN*

www.vaisala.com