::: UNITECH INSTRUMENTATION :::
MUMBAI - 400 086

Compensating Cable

Thermocouples are connected to indicators/controllers using special cable which are know as
compensating cable. In cases where accuracy of reading is of prime importance cables with
original conductor is used such cable is known as extension cable.

The cables are manufactured in various configurations. We are giving below various types of
cable constructions available.

OUTER INSULATION	AREA MM2	GAUGE	MAXIMUM TEMP	COLOUR CODING	PAIRS
HR PVC INSULATED CABLE	0.2 mm2 0.5 mm2 1.3 mm2	1 X 25 SWG 1 X 21 SWG 1 X 18 SWG	-25 TO 75 Deg C	BS / ANSI IEC	SIMPLEX OR DUPLEX
FLAME RETARDANT PVC INSULATED CABLE	1.2 mm2 2.0 mm2	3 X 22 SWG 3 X 20 SWG	-25 TO +85 Deg C.	BS / ANSI IEC	SIMPLEX OR DUPLEX
TEFLON INSULATED CABLE	0.22 mm2 0.44 mm2 0.75 mm2	7 X 36 SWG 14 X 36 SWG 32 X 36 SWG	0 TO 225 Deg C	BS / ANSI IEC	SIMPLEX OR DUPLEX
FIBRE GLASS INSULATED CABLE	1.00 mm2 1.30 mm2 2.00 mm2	24 X 36 SWG 40 X 36 SWG 64 X 36 SWG	0 TO 350 Deg C	BS / ANSI IEC	SIMPLEX OR DUPLEX
Note: Fibreglass cables are normally supplied with SS wire braiding. Teflon cable can be supplied with SS braiding if required. HRPVC, Flame retadrant PVC and Teflon cable can be supplied with Copper drain wire and Aluminium mylar for Noise rejection.

Compensating Cables:
Compensating cables are manufactured
from conductors having composition different
from corresponding thermocouples.
They are designated by letter “C” following the
designation of the thermocouple. Eg: TC

Extension Cables:
Extension cables are manufactured from
conductors having composition same as that of
from corresponding thermocouples.
They are designated by letter “X” following the
designation of the thermcouple. Eg: TX