Vaisala Hmdw110 series Manuel utilisateur

M211726EN-A

USER'S GUIDE

Vaisala HMDW110 Series Humidity and

Temperature Transmitters

PUBLISHED BY

Vaisala Oyj

Street address: Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland

Mailing address: P.O. Box 26, FI-00421 Helsinki, Finland

Phone: +358 9 8949 1

Fax: +358 9 8949 2227

Visit our Internet pages at www.vaisala.com.

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

1 General Information 3

About This Document 3

Documentation Conventions 3

Safety 4

ESD Protection 4

Recycling 4

Trademarks 4

Software License 5

Warranty 5

2 Product Overview 6

HMDW110 Series Overview 6

Output Parameters Explained 7

HMD110/112 Parts 8

HMW110/112 Parts 9

HMS110/112 Parts 10

Component Board 11

Analog Output Overrange Behavior 12

3 Installation 13

Selecting Location 13

HMD110/112 Installation 14

HMW110/112 Installation 16

HMS110/112 Installation 17

Wiring HMDW110 19

Wiring Both Current Loops With a Single Power Supply 20

HMDW110 Power Supply Requirements 20

Wiring HMDW110 with RDP100 21

4 Service Port 22

Connecting to the Service Port 22

Terminal Application Settings 23

Serial Commands 24

Device Information and Status 25

Serial Line Output and Communication 28

Measurement Output 28

Measurement Output Format 29

Serial Line Communication 31

Analog output 33

Calibration and Adjustment Commands 36

Other Commands 39

5 Maintenance 41

Cleaning 41

Calibration and Adjustment 41

Adjustment Types 42

Adjustment Points 42

Calibration and Adjustment Using a Hand-Held Meter and a

Reference Probe 43

One-Point Humidity Calibration and Adjustment Using a Hand-Held

Meter and HMK15 Humidity Calibrator 45

Two-Point Humidity Calibration and Adjustment using a computer

and a HMK15 Humidity Calibrator 46

Two-Point Temperature Calibration and Adjustment using a

Computer 49

Replacing the HUMICAP®Sensor on HMD110/112 and

HMW110/112 51

Replacing the HUMICAP®Sensor on HMS110/112 52

5 Troubleshooting 54

Error Messages 54

Technical Support 55

Product returns 55

6 Technical Data 56

Specifications 56

Dimensions 58

Spare Parts and Accessories 59

1GENERAL INFORMATION

About This Document

This document provides information for installing, operating, and maintaining

HMDW110 series transmitters.

Document Code Description

M211726EN-A This document. July 2014. First version.

Table 1 Version Information

Document Code Description

M211692EN HMDW110 Series Quick Guide

M210297EN HM70 User's Guide

M210185EN HMK15 User's Guide

M211691EN RDP100 User's Guide

Table 2 Related Documents

Documentation Conventions

Warnings alert 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.

Cautions warn 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.

Notes highlight important information on using the product.

1 General Information

Safety

The HMDW110 series transmitter delivered to you has been tested for safety

and approved as shipped from the factory. Note the following precautions:

Do not modify the unit. Improper modification can damage the

product or lead to malfunction.

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, avoid touching

exposed component contacts during installation and maintenance.

Recycling

Recycle all applicable material.

Dispose of the unit according to statutory regulations. Do not

dispose of with regular household refuse.

Trademarks

HUMICAP®is a registered trademark of Vaisala Oyj.

Windows®is a registered trademark of Microsoft Corporation.

All other trademarks referred to are the property of their respective owners.

1 General Information

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 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.

1 General Information

2PRODUCT OVERVIEW

HMDW110 Series Overview

HMDW110 series transmitters are accurate humidity and temperature

transmitters for measurements in HVAC and cleanroom applications. The series

consists of the following models:

nHMD110/112 models for installation in ventilation ducts

nHMW110/112 models for wall installation

nHMS110/112 models for outdoor use

All models are loop-powered, with 2-wire current outputs for humidity and

temperature. HMD112, HMW112, and HMS112 are standard models. HMD110,

HMW110, and HMS110 are factory configurable models that are delivered with

customer specific output settings, including calculated humidity parameters and

special scaling of outputs.

HMDW110 series transmitters can be connected to Vaisala’s RDP100 panel

display for real-time viewing of the measurements. HMDW110 series can also

supply the operating power to the display using only the loop power from the

outputs.

2 Product Overview

Output Parameters Explained

HMDW110 series transmitters offer several output parameters. Relative humidity

(RH) and temperature (T) are the measured parameters, the others are

calculated based on RH and T.

Parameter Symbol Units Description

Temperature T °C

°F

Temperature in Celsius or Fahrenheit scale.

Relative

humidity

RH % Ratio of the partial pressure of water vapor in the air to

the saturation vapor pressure of air at current

temperature.

Dewpoint Td/f °C

°F

Temperature at which the water vapor in the air will

condense into water at the current pressure. When the

dewpoint is below 0 °C, the transmitter outputs frostpoint

(Tf) instead of 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.

Table 3 HMDW110 Series Output Parameters

Check the type label on your transmitter to verify its output

parameters and scaling of the output channels.

2 Product Overview

HMD110/112 Parts

Figure 1 HMD110/112 Parts

1 = PTFE membrane filter.

2 = Sensors for humidity and temperature.

3 = Fastening flange.

4 = Tightening screw for fastening flange.

5 = Type label.

6 = Transmitter cover.

7 = Component board. See Component Board on page11.

8 = Cable glands for 4 ... 8 mm diameter cable.

2 Product Overview

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