Vaisala HUMICAP HMT140 Manuale utente
QUICK GUIDE
Vaisala HUMICAP® Humidity and
Temperature Transmitter
HMT14
English
M211484EN-A
PUBLISHED BY
Vaisala Oyj Phone (int.): +35 9 949 1
P.O. Box 26 Fax: +35 9 949 2227
FI-00421 Helsinki
Finland
Visit our Internet pages at
www.vaisala.com
.
© Vaisala 2012
No part of this manual may be reproduced in any form or by any means, electronic or
mechanical (including photocopying), nor may its contents be communicated to a third party
without prior written permission of the copyright holder.
The contents are subject to change without prior notice.
Please observe that this manual does not create any legally binding obligations for Vaisala
towards the customer or end user. All legally binding commitments and agreements are
included exclusively in the applicable supply contract or Conditions of Sale.
__________________________________________________________________________
VAISALA _________________________________________________________________
3
Table of Contents
ENGLISH ........................................................................................................ 5
Product Overview ..................................................................... 5
Di ensions ............................................................................... 6
Duct Installation Kit .................................................................. 7
Wiring ........................................................................................ 8
Hardware Setup ...................................................................... 11
HMT140 Utility Installation..................................................... 11
HMT140 Utility Configuration ................................................ 12
Battery Replace ent .............................................................. 12
IR Sensor ................................................................................. 13
Technical Support .................................................................. 14
Product Returns ..................................................................... 14
Warranty .................................................................................. 14
Technical Data ........................................................................ 15
DRILLING TEMPLATE................................................................................. 19
QUICK GUIDE ______________________________________________________________
4
_____________________________________________________________ M2114 4EN-A
This page intentionally left blank.
____________________________________________________________________ English
VAISALA _________________________________________________________________
5
ENGLISH
Product Overview
The Vaisala HUMICAP
®
Wireless Humidity and Temperature Transmitter
HMT140 measures relative humidity and temperature using the connected
probe and analog signals – RTD, Voltage, Current loops and Contacts. It
outputs data via wireless transmitter and is powered with three 3.6 volt DC
batteries and optional 9-30VDC connection and comes in 2 models, with or
without the optional LCD display.
The HMT140 transmitter's output quantities are configurable. Available
quantities are Relative Humidity (RH), Temperature (T), RTD, Contact, mV
and mA. The default output quantities are set at the factory during order time.
These factory preset quantity selections and other wireless parameters can be
changed afterward using the configuration port and included utility if necessary.
The HMT140 is available either with a fixed probe directly attached to the
transmitter housing or a remote probe with different (3/5/10m) cable lengths.
The HMT140 is also available with an optional LCD display without backlight.
It is typically installed mounted on the wall with up to four screws (not
included). Duct installation kits are available as accessories. There is a drilling
template inside the back cover of this guide to help you position the screws
correctly.
QUICK GUIDE ______________________________________________________________
6
_____________________________________________________________ M2114 4EN-A
Di ensions
1
4
5
7
2
12
37
1
2
4
Ø 12
116
46
39
M
4
;
4
p
c
s
91
92
78
Wall Assembly dimensions
____________________________________________________________________ English
VAISALA _________________________________________________________________
7
Duct Installation Kit
A = Probe (HMP11 )
B = Duct installation kit
C = Probe Cable
1. Pass the probe cable through the plastic pipe of the duct installation kit.
2. Connect the probe cable to the HMP11 .
3. Use a 24mm drill bit to make a hole in the duct wall.
4. Use a 3.2mm drill bit to make four holes for the installation screws
(ST4.2x16-C-Z DIN7981 screw, 4pcs). The holes should be arranged
in a square around the 24mm hole, at a distance of 42mm from each other.
5. Mount the probe holder using the screws (D).
6. Adjust the depth of the plastic pipe and tighten the screw (E)
to lock the probe in place.
A
B
C
42
F
D
E
D = Installation screw
E = Pipe locking screw
F = Probe (HMP11 )
Ø24
Ø3,2x 4 pcs
29
59
2
Ø 15
2 5
42
53
Ø22
6
Ø
1
2
266
42
42
QUICK GUIDE ______________________________________________________________
_____________________________________________________________ M2114 4EN-A
Wiring
Service
Header
Config
Switch
LCD
Status
Power
Display
LED
Switch
Cable grommet
(Rubber
plug)
Cable bushing:
cable gland,
cable grommet,
or conduit fitting
Field WireTerminals
SERVICE
ON
OFF
3
.
6
V
B
a
t
t
e
r
y
V
a
i
s
a
l
a
P
/
N
2
3
6
3
1
8
S
P
3
.
6
V
B
a
t
t
e
r
y
V
a
i
s
a
l
aP
/
N
2
3
6
3
1
8SP
3
.
6
V
B
a
t
t
e
r
y
V
a
i
s
a
l
a
P
/
N
2
3
6
3
1
8
S
P
CONFIG
+
+
+
Ir Sensor
Release Tab
HMT140 Components
____________________________________________________________________ English
VAISALA _________________________________________________________________
9
1) RTD Wiring Diagram
Channel 1: RTD Channel 2: RTD
QUICK GUIDE ______________________________________________________________
10
____________________________________________________________ M2114 4EN-A
4) Voltage Wiring Diagram
Channel 1: DC Voltage
Channel 2: DC Volatge
VinDC
VinDC
+
+
-
-
Channel 1
Channel 2
G
G
V
+
V
+
C
h
a
n
n
e
l
1
C
h
a
n
n
e
l
2
G
G
V
+
V
+
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