Head Office:
Engineering:
Unit B, Cranmere Court
Unit 13 Langley Business Court
Okehampton Devon
Worlds End Newbury
EX20 1UE UK
RG20 8RY
Tel: +44(0) 1844339993 Fax: +44(0)1844339996
Email:
Web Site:
www.quantumcryogenics.com
ATEX-DCT150M-W-28.02.20-00003R5
HAZLOC Hazardous Area Compatibility
Ensure that the gauge is suitable for use in the environment of the hazardous zone. This should be
done by reference to the HAZLOC code of the DigiTemp which is also marked on the face of the
instrument and stated on the certificate.
Class I, II, III, Div 2, Groups A-D, F-G, Nonincendive/ Non incendaire
Class I, Zone 1, AEx ib IIC T4/T3 Gb, Zone 21, AEx ib IIIC T135°C /T184°C Db,
Ex ib IIC T4/T3 Gb
Ex ib IIIC T135°C /T184°C Db
-35°C ≤ Ta ≤ +60°C
Control drawing-A3-00614, Rev08
Max. Process
Temperature
(Gas Atmospheres)
Temperature
Class
Max. Process
Temperature
(Dust Atmospheres)
Temperature
Class
-50°C to +105°C
T4
-50°C to +101°C
T135°C
-50°C to +150°C
T3
-50°C to +150°C
T184°C
In the event that the equipment is to be exposed to any unusual external effects or to aggressive
substances please contact Quantum Production Ltd for further advice
INSTALLATION
Installation should only be undertaken by qualified personnel familiar with safety practices and
standards relating to intrinsically safe electrical equipment.
OPERATING INSTRUCTIONS
The DCT150M-W samples the temperature measured at the sensor once every minute. In practice,
due to the slow change in the temperature of the wall and the contents of the tank being measured,
the temperature is unlikely to change by more than a few degrees between samples. If, however, the
sensor is removed from the tank and subjected to extremes of temperature change such as plunging
into hot oil, for example, it is likely that the temperature seen will change by a greater degree at the
next sample occasion, due to the fact that the temperature shown on the display is fixed between
samples. The DCT150M is functioning perfectly correctly and merely indicating the actual temperature
of the sensor at one minute intervals.
As with any thermometer, it should be noted that it takes time for the sensor to reach the
temperature of the product measured and this should be taken into account. The DCT150M-W is
wireless enabled allowing wireless transmission to compatible remote communication devices. This
