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REFERENCE TABLE

THERMOCOUPLE V/S mV CHART (Reference Junction at 0°C)
Type

J

K

R

S

T

E

B
Temp ( °C)

-270

--

 -6.458 -- -- -6.258 -9.835 --

-210

 -8.096 -6.035 -- -- -5.753 -9.063 --

-200

 -7.890 -5.891 -- -- -5.603 -8.824 --

-100

 -4.632 -3.553 -- -- -3.378 -5.237 --

0

 0 0 0 0 0 0 0

20

 1.019 0.798 0.111 0.113 0.789 1.192 -0.003
25 1.277 1.000 0.141 0.142 0.992 1.495 -0.002
30 1.536 1.203 0.171 0.173 1.196 1.801 -0.002
35 1.797 1.407 0.201 0.203 1.403 2.109 -0.001
40 2.058 1.611 0.232 0.235 1.611 2.419 -0.000
45 2.321 1.817 0.264 0.266 1.822 2.732 0.001
50 2.585 2.022 0.296 0.299 2.035 3.047 0.002
100 5.268 4.095 0.647 0.645 4.277 6.317 0.033
200 10.777 8.137 1.468 1.440 9.286 13.419 0.178
300 16.325 12.207 2.400 2.323 14.860 21.033 0.431
400 21.846 16.395 3.407 3.260 20.869 28.943 0.786
500 27.388 20.640 4.471 4.234 -- 36.999 1.241
600 33.096 24.902 5.582 5.237 -- 45.085 1.791
700 39.130 29.128 6.741 6.274 -- 53.110 2.430
800 -- 33.277 7.949 7.345 -- 61.022 3.154
900 -- 37.325 9.203 8.448 -- 68.783 3.957
1000 -- 41.269 10.503 9.585 -- 76.358 4.833
1100 -- 45.108 11.846 10.754 -- -- 5.777
1200 -- 48.828 13.224 11.947 -- -- 6.783
1300 -- 52.398 14.624 13.155 -- -- 7.845
1400 -- -- 16.035 14.368 -- -- 8.952
1500 -- -- 17.445 15.576 -- -- 10.094
1600 -- -- 18.842 16.771 -- -- 11.257
1700 -- -- 20.215 17.942 -- -- 12.426
1768 -- -- 21.108 18.698 -- -- 13.216
1800 -- -- -- -- -- -- 13.585
1820 -- -- -- -- -- -- 13.814
LIMITS OF ERROR 
FOR THERMOCOUPLES (REFERENCE JUNCTION AT °C)
Type Temperature Range (°C)

Limits of Error (Whichever is greater)

Standard

Special
J
K
R & S
T
E
B		 0 to 750 °C
0 to 1250 °C
0 to 1450 °C
0 to 350 °C
0 to 900 °C
800 °C  to  1700 °C		 ± 2.2 °C or  ± 0.75%
± 2.2 °C or  ± 0.75%
± 1.5 °C or  ± 0.25%
± 1.0 °C or  ± 0.75%
± 0.5 °C or  ± 0.5%
± 0.5%		 ± 1.1 °C or  ± 0.4%
± 1.1 °C or  ± 0.4%
± 0.6 °C or  ± 0.1%
± 0.5 °C or  ± 0.4%
± 1.0 °C or  ± 0.4%
--
TEMPERATURE V/S RESISTANCE CHART FOR Pt100 (ALPHA = 0.00385) PERMISSIBLE DEVIATIONS FOR Pt100
(ALPHA = 0.00385)
Temp. Resistance Temp. Resistance Temp. (°C) Class A Class B
Ohms °C Ohms °C
-200
-150
-100
-50
0
25
30
50
100
150
200
250
 		18.49
39.71-150
-100
-50
0
25
30
50
100
150
200
250		 300
350
400
450
500
550
600
650
700
750
800
850		 212.02
229.67
247.04
264.11
280.90
297.39
313.59
329.51
345.13
360.47
375.51
390.26		 -200
-100
0
100
200
300
400
500
600
650
700
800
850		 ± 0.24
± 0.14
± 0.06
± 0.13
± 0.20
± 0.27
± 0.33
± 0.38
± 0.43
± 0.46
--
--
--		 ± 0.55
± 0.35
± 0.15
± 0.35
± 0.55
± 0.75
± 0.95
± 1.15
± 1.35
± 1.45
--
--
--		 ± 0.56
± 0.32
± 0.12
± 0.30
± 0.48
± 0.64
± 0.79
± 0.93
± 1.06
± 1.13
± 1.17
± 1.28
± 1.34		 ± 1.30
± 0.80
± 0.30
± 0.80
± 1.30
± 1.80
± 2.30
± 2.80
± 3.30
± 3.60
± 3.80
± 4.30
± 4.55

 

GENERAL PURPOSE PROTECTION HEAD THERMOCOUPLE

APPLICATION: General Purpose J.K.T  Type Industrial Thermocouple Assemblies for Non-Corrosive and Non-Acidic Applications Up to  900 °C

TYPE

SHEATH
MATERIAL

SHEATH
O.D. (d)

SHEATH LENGTH (I)

JUNCTION
TYPE (*)

PROCESS
CONNECTION (**)

MAX. OP.
TEMP.

MIN.

MAX.

STD.

J, K
J, K
J
K
K
K
T

 SS 316
SS 316
SS 316
SS 316
SS 316
SS 316
SS 316		 3/16"
1/4"
8 mm
8 mm
1/2"
3/4"
3/16", 1/4"

2"
2"
2"
2"
4"
9"
2"

18"
36"
36"
36"
36"
36"
18"

12"
12"
12"
12"
12"
12"
12"

GN / UGN
GN / UGN
GN / UGN
GN / UGN
GN / UGN
GN / UGN
GN / UGN

 3/8", 1/2" BSP(M)
3/8",1/2",3/4"BSP(M)
1/2", 3/4" BSP(M)
1/2", 3/4" BSP(M)
1/2", 3/4" BSP(M)
3/4", 1" BSP (M)
3/8", 1/2" BSP(M)

400°C
600°C
600°C
800°C
800°C
900°C
200°C
Configuration
Junction Type (*)
Sheath O.D.
Sheath Material
Insulation
Process connection(**)
Process Connection- Material
Termination

Cable Entry		 Simplex, contact factory / Sole Agent for Duplex and Triplex Thermocouple requirements
grounded (GN) or Ungrounded (UGN)
Standard O.D.s are given in above table.  Also available with other O.D. like 6mm, 9.5mm.
Also available with other materials like SS 304, Inconel600, R.C.A
By twin-bore ceramic beads with hand-filled MgO.
Optional Available with BSP, BSPT, NPT threads-fixed or adjustable compression fitting.
SS 304

Screw type on Ceramic terminal block in die0cast Aluminium  head.  Also available with Weatherproof (IP-55, IS-2147) and Flameproof head (gas group IIA & IIB-IS 2148)
1 / 2" BSP

TRANSITION JOINT THERMOCOUPLE
APPLICATION: General Purpose J.K.T
Type Thermocouple with Integral Cable
For Low-Temperature Measurement Applications

SPECIFICATIONS
TYPE SHEATH
MATERIAL		 SHEATH
O.D.(d)		 SHEATH LENGTH (I) JUNCTION
TYPE(*)		 PROCESS
CONNECTION(**)		 MAX.OP.
TEMP		 CABLE
TYPE(***)
MIN. MAX. STD.

J
J
K
K
T

 SS 316
SS 316
SS 316
SS 316
SS 316		 3 / 16"
1 / 4"
3 / 16"
1 / 4"
1 / 4"

1"
1"
1"
1"
1"

18"
18"
18"
18"
18"

12"
12"
12"
12"
12"

 GN / UGN
GN / UGN
GN / UGN
GN / UGN
GN / UGN		 3/8", 1/2" BSP(M)
3/8",1/2",3/4"BSP(M)
3/8", 1/2" BSP(M)
3/8",1/2",3/4"BSP(M)
3/8",1/2",3/4"BSP(M)

400°C
400°C
400°C
400°C
200°C

 FG/FG/SS
FG/FG/SS
FG/FG/SS
FG/FG/SS
FG/FG/SS
Configuration
Junction Type (*)
Sheath O.D.

Sheath Material
Insulation
Process connection(**)
Process Connection Material
Cable Length

Cable Type(***)		 Simplex, contact factory / Sole Agent for Duplex and Triplex Thermocouple requirements
grounded (GN) or Ungrounded (UGN)
Standard O.D.s are given in above table.  Also available with other O.D. like 3mm,6mm, 8mm
Also available with other materials like SS 304
By twin-bore ceramic beads with hand-filled MgO.
Optional Available with BSP, BSPT, NPT threads-fixed or adjustable compression fitting.
SS 304
Standard - 1 Mtr. Additional in multiples of 1 Mtr.

Extension grade with following insulations.
a) FG/FG/SS - Individua; Fibreglass, Overall fibreglass with SS Overbraiding
b) PTFE/PTFE - Individual PTFE, Overall PTFE.
c) PTFE/PTFE/SS - Individual fibreglass, Overall Fibreglass with SS Overbraiding.
d) PVC/PVC - Individual PVC, Overall PVC.
 Note: Also available Mineral Insulated (MI) Transition joint thermocouple.  Contact Factory / Sole Selling Agent with Specifications and application details.
 

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