Vaisala HMD60 Series Manuale utente

M212049EN-B

Quick Guide

HMD60 Series Humidity and Temperature

Transmitters for Ducts in HVAC

HMD62 TMD62

PUBLISHED BY

Vaisala Oyj

Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland

P.O. Box 26, FI-00421 Helsinki, Finland

+358 9 8949 1

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

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.

Local rules and regulations may

vary and they shall take

precedence over the information

contained in this manual. Vaisala

makes no representations on this

manual’s compliance with the

local rules and regulations

applicable at any given time, and

hereby disclaims any and all

responsibilities related thereto.

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.

This product contains software

developed by Vaisala or third

parties. 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.

Table of Contents

English............................................................................................................................ 5

Deutsch......................................................................................................................... 17

Français........................................................................................................................29

Español..........................................................................................................................41

Português.....................................................................................................................53

Русский........................................................................................................................65

日本語.......................................................................................................................... 77

中文.............................................................................................................................. 89

4 M212049EN-B

Introduction to HMD60 Series

The duct mounted HMD60 HUMICAPâHumidity and Temperature Transmitters are designed

for monitoring humidity and temperature in demanding HVAC and light industrial applications.

HMD60 series transmitters provide stable, reliable, and highly accurate (up to ±1.5 %RH and

±0.1 °C (0.18 °F) measurements, and are resistant to chemicals and dust.

HMD60 series transmitter options include two analog output models: HMD62 for measuring

both humidity and temperature, and TMD62 for temperature measurements. Both HMD62 and

TMD62 use 4 ... 20 mA loop powered current output.

Thanks to easy access to electronics also when the transmitter is installed to a duct,

conﬁguration and adjustment can be carried out quickly and conveniently. Available

conﬁguration and adjustment interface options range from physical trimmers and DIP switches

on the transmitter's circuit board to Vaisala Insight PC software for Windowsâ.

HMD60 Series Basic Features and Options

• Two analog transmitter model options:

• HMD62 for humidity and temperature measurement

• TMD62 for temperature measurement

• Humidity parameters available as output options in HMD62: RH, Td, Tdf, A, X, Tw, H

• Default temperature analog output scale: -20 … +80 °C (-4 … +176 °F)

• Analog output: 4 ... 20 mA, loop powered

• HMD62: 2 analog output channels for humidity and temperature

measurements

• TMD62: 1 analog output channel for temperature measurement

• Power supply input: 10 ... 35 VDC / 20 ... 35 VDC

•Configuration and adjustment options:

• RH and T measurement field adjustment with trimmers

• Humidity output parameter selection with DIP switches (HMD62)

• Field adjustment with MI70 hand-held indicator

•Configuration and adjustment with Vaisala Insight PC software

More Information

For more detailed instructions for installing, conﬁguring, and maintaining the HMD60 series

transmitters, see HMD60 User Guide in English M212016EN available at www.vaisala.com/

HMD60.

ENGLISH

HMD60 Transmitter Parts

Figure 1 HMD62 and TMD62 Transmitter Parts Overview

1Captive screw (2 pcs, cross-head) for attaching the lid of the transmitter.

2Screw (2 pcs) for mounting the transmitter on the installation surface.

3Transmitter lid. Open the captive screws of the lid to access input and output electronics.

4Transmitter base. Contains the input and output connectors on the transmitter board.

5Cable gland (M16 x 1.5 inlet) for leading wires into the transmitter. See HMD60 User Guide

for cable gland and conduit options.

6Alternative inlet (M20 x 1.5) for wiring.

7Probe body (250 mm (9.84 in) with ﬁlter).

8Probe ﬁlter (default option: AISI 316L stainless steel). See HMD60 User Guide for ﬁlter

options.

9HUMICAPâsensor inside the probe ﬁlter.

Do not touch the sensor element.CAUTION!

6 M212049EN-B

Installation

HMD60 Dimensions

The dimensions are given in millimeters and [inches].

299 [11.77]

49 [1.92] 250 [9.84]

101 [3.97]

[in]

101 [3.97]

82[3.23]

82 [3.23]

Ø 12 [0.47]

Figure 2 HMD60 Dimensions

ENGLISH

Duct Mounting Overview

90°

567

Figure 3 Duct Installation Overview

1Make sure there is a minimum clearance of 5 m (16.5 ft) between the probe and any

possible humidiﬁer.

2When installing the probe, drill a second hole approximately 30 cm (12 in) from the

HMD60 probe's installation hole, towards the direction of the air ﬂow, and plug it with a

removable seal. This second hole is intended for later use in reference measurement when

calibrating or adjusting the transmitter.

3Check that the duct diameter is suitable for the 250 mm (9.85 in) probe body. Ideally, the

sensor should be installed in the middle of the duct.

4Maximum air ﬂow speed: 50 m/s (with sintered ﬁlter).

5Avoid installing the probe in dead legs. Supersaturation can occur in areas where there is

no air ﬂow.

6Do not install the probe in a downward angle. Condensation can travel to the sensor along

the probe body if the probe points down.

7Install the probe in a 90° angle so that the sensor is placed as close to the middle of the

duct as possible.

Avoid installing in a location where condensation can fall on the

sensor inside the duct.

CAUTION!

8 M212049EN-B

Installing into Duct

• Medium size crosshead screwdriver for mounting screws and lid screws.

• Small slotted screwdriver for screw terminals.

• Drill with 3.5 mm (0.14 in) and 13 … 15 mm (0.51 … 0.59 in) bits for making the

installation holes.

• Tools for cutting and stripping wires.

2 x Ø 3.5 [0.14]

Ø 13 ... 15 [0.51 ... 0.59]

Ø 12 [0.47]

82 [3.23]

[in]

Ø 3.5 [0.14]

3.1 ... 3.4 Nm [2.3 ... 2.5 ft-lbs]

Figure 4 Drilling and Mounting Screws

1. Select an installation location for the transmitter on the duct surface and drill a

Ø 13 … 15 mm (0.51 … 0.59 in) hole for inserting the probe.

2. Push the probe through the hole on the duct until the transmitter body meets the duct.

3. Attach the transmitter body to the duct with 2 Ø 3.5 mm (0.14 in) screws.

Check that the insulation ring sits tightly over the installation hole. If the duct

has a negative pressure, external air can be drawn into the duct and aect

the measurement if the installation hole is not sealed tightly.

4. Optional: Drill a second hole for reference measurements approximately 30 cm (12 in)

from the HMD60 probe's installation hole, towards the direction of the air ﬂow.

5. Open the 2 captive screws on the transmitter body and remove the lid.

6. Attach the input/output wiring to the screw terminals on the transmitter component

board. See Wiring (page 11). Tighten cable glands ﬁrmly after wiring.

7. Check that the DIP switches and trimmers are in the correct position. See DIP Switch

Output Selection (HMD62) (page 15) and Trimmers (page 14).

8. Close the transmitter lid and switch on the transmitter's power supply input.

ENGLISH

Transmitter Board

Figure 5 HMD60 Transmitter Board: Service Port, DIP switches, Trimmers and Screw Terminals

1Service port for MI70 hand-held indicator and Insight PC software cable connection.

2DIP switches for humidity parameter selection (HMD62).

3Trimmer for humidity measurement adjustment (HMD62).

4Screw terminals for humidity measurement output (HMD62).

5Screw terminals for temperature measurement output.

6Trimmer for temperature measurement adjustment.

The HMD62 board (shown in Figure 5 (page 10)) includes options for both

humidity and temperature output. The TMD62 board includes only components

limited to temperature output options. See Wiring (page 11) for more

information.

10 M212049EN-B

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