Flameproof Temperature Controller

Flameproof Temperature Controller
Product Description


Oven control

Food processing

­Cold storage and Chilling plant

Constant temperature bath and environmental chamber

Plastic/Packaging/Rubber and Metal Industry.



Based on state of art latest micro controller technology with watchdog features for fail safe operation.

Input RTD (PT100),J,K Thermocouples 4-20 mA factory settable.

Automatic cold junction compensation for thermocouples.

Automatic wire length compensation for long wire RTD inputs.

Very high accuracy 0.25 percent, with software linearization.

Easy on-line field calibration to user by front keys.

Two independent set points with individual relay output withhysteresis settable.

Programmable latch OR non-latch facility for relay output.

Isolated retransmission output for process value with programmablerange can be set by user.

Flameproof version is available on request.


Input: 4-20 m; Range: -999 to 9999; Resolution: 0.001,0.01,0.1,1;Accuracy: +/-0.25% of Full scale;

Input: RTD (PT-100); Range: -50 to 400 Deg.C; Resolution: 0.1Deg.C; Accuracy: +/-0.25%of Full scale;

Input: K-Type; Range: -50 to 1200 Deg.C; Resolution: 1 Deg.C;Accuracy: +/-0.25% of Full scale;

Input: J-Type; Range: -50 to 600 Deg.C; Resolution: 1 Deg.C;Accuracy: +/-0.25% of Full scale;



Automatic wire length compensation for long wire RTD (PT-100)sensor

Automatic Cold Junction Compensation for Thermocouple (J or Ktype)


Sensor break:

Temperature sensor break OR sensor open, display show openindication.

Under range Under over range over indication for 4-20 mA.



Upper- 4 digit, 0.56inch (13 mm), 7-Segment RED L.E.D display forProcess value indication.

Lower-  4digit, 0.56 inch(13 mm), 7-Segment RED L.E.D display for Set point value indication of RL1.


L.E.D Indication:

RL1 & RL2 for Relay


Set Point:

Two independent set point with individual relay output withhysteresis settable. Programmable latch OR non-latchable for both relay output


Control action:

LO-HI, HI-LO, LO -Very LO, HI - Very HI control action for relay;programmable by user


Time delay:

0-9999 sec, Common setting for RL1 & RL2 to operate after theProcess Value crosses the SetPoint Value


Relay contact type:

1 NO-C-NC Relay Contact Rated 230 VAC/5A for RL1 & RL2


Configuration of relay:

RL1 Operates for set point 1, RL2 operates for set point 2


Fault condition:

In Under, Over OR Open condition i.e. fault condition, Relay canbe made OFF or ON; programmable byuser.



Setting by 3 keys on front panel.

Re transmission output(Optional):

1 No. 4-20 mA output with MAX load 750 ohms

Supply (Optional):

230  VAC +/-10 percent OR110 VAC +/-10 percent OR 24 VDC

Operating Temperature:

-40 to 85 Deg.C


Relative Humidity:

Below 95 percent non condensing.


Enclosure Details:-

Protection Class: IP-65, CMRI for IIA and IIB Gas group

Cabinet Material: Cast Aluminum alloy, LM-6/C.I.

Cut out: Double compression cable gland, 3/4 inch ET-type

Dimension: 300(H) x 250(W) x 110(D) in mm

Mounting: Wall Mounting/Stand Mounting

Weight: Approx. 4.0 Kg

Contact Us

17-B, Tarun Industrial Estate, Mogra Pada, New Nagardas Road, Andheri (East), Mumbai, Maharashtra, 400069, India
Phone :+918068090472