Ascon tecnologic TRH52 Operating Instructions

TRH52
ACTIVE HUMIDITY AND
TEMPERATURE PROBE WITH
4... 20 mA OUTPUTS
OPERATING INSTRUCTIONS
Vr 01 (ENG) - 18/11 - cod.: ISTR-MTRH52ENG01
ASCON TECNOLOGIC S.r.l.
Viale Indipendenza 56, 27029 - VIGEVANO (PV) ITALY
Tel.: +39 0381 69871 - Fax: +39 0381 698730
http:\\www.ascontecnologic.com
info@ascontecnologic.com
PREFACE
This manual contains the information necessary for
D D
the product to be installed correctly and also instruc-
tions for its maintenance and use; we therefore recom-
mend that the utmost attention is paid to the following
instructions and to save it.
This document is the exclusive property of Ascon Tecnologic
S.r.l. which forbids any reproduction and divulgation, even
partially, of the document, unless expressly authorized.
Ascon Tecnologic S.r.l. reserves the right to make any formal
or functional changes at any moment and without any notice.
Ascon Tecnologic S.r.l. and its legal representatives do not
assume any responsibility for any damage to people, things
or animals deriving from violation, wrong or improper use or
in any case not in compliance with the instrument features.
D D Whenever a failure or a malfunction of the device
may cause dangerous situations for persons, thing
or animals, please remember that the plant has to be
equipped with additional electromechanical devices
which will guarantee safety.
Ascon Tecnologic - TRH52 - OPERATING INSTRUCTIONS - PAG. 1
Index
1. Instrument description ............................................... 1
1.1 General description ........................................................... 1
1.2 Probe description .............................................................. 1
2. Usage warnings ........................................................... 1
2.1 Admitted use ..................................................................... 1
3. Installation warnings ................................................... 2
3.1 Mechanical mounting ........................................................ 2
3.2 Dimensions [mm] .............................................................. 2
3.2.1 Mechanical dimensions ........................................................ 2
3.2.2 Dimensions of the mounting slotted holes ............................ 2
3.2.3 Mounting holes ..................................................................... 2
3.3 Electrical connections ....................................................... 2
3.3.1 Vdc power supply ................................................................. 2
4. Operating mode ........................................................... 2
4.3.1 Values to be set on the controller ......................................... 2
5. Problems and maintenance ........................................ 3
5.1 Measurements errors ........................................................ 3
5.2 Cleaning ............................................................................ 3
5.3 Disposal ............................................................................ 3
6. Warranty ....................................................................... 3
7. Technical Data ............................................................. 3
7.1 Electrical characteristics ................................................... 3
7.2 Mechanical characteristics ................................................ 3
7.3 Functional features ........................................................... 4
1. INSTRUMENT DESCRIPTION
1.1 General description
TRH52 is a passive relative humidity (current loop) and an
NTC temperature probe. The output signals are normalized
in current at 4... 20 mA (% RH) and NTC (temperature).
1.2 Probe description
Connection
terminals
(inside the box)
RH sensor and
Temperature sensor
protective cap
2. USAGE WARNINGS
2.1 Admitted use
D D The device has been designed as a measuring
transducer.
Electrical equipment should be installed, operated, serviced,
and maintained only by qualified personnel.
The installer must ensure that the EMC rules are
D D
respected, also after the instrument installation, if
necessary using proper filters.
Cable gland
M20 x 1.5