Temperature Measurement; Using Thermocouple (Tc) - East Tester ETX-2710 User Manual

4 Temperature Measurement

4.1 Using Thermocouple (TC)

The calibrator supports eleven standard thermocouples, including J, K, T, E, R, S, B, L,
U and N. Lower table summarizes the ranges and characteristics of the supported
thermocouples
Positive lead
Graduation
material
E Chrome-nickel
Nickel-chrome
N
J
K Chrome-nickel
T
Platinum (30%
B
rhodium)
Platinum (13%
R
rhodium)
Platinum (10%
S
rhodium)
* Negative conductor (L) regulated as American National Standard (ANSI) is always red.
*Negative conductor (L) regulated as International Electro-technical Commission (L) is always white.
To measure temperature using thermocouple, the following steps shall be followed:
1. Connect the thermocouple to the calibrator as shown in Figure 4.1-1:
Positive wire (H)
ANSI*
Mauve
Orange
-silicon
Iron White
Yellow
Copper Blue
Grey
Black
Black
Negative lead
color
IEC**
Purple
Nickel-silicon-magne
Pink
Black
Green
Brown
Platinum (6%
Orange
Orange
material
Constantan
sium
Constantan
Alumel
Constantan
rhodium)
Platinum
Platinum
Specified
span℃
-200～950
-200～1300
-200～1200
-200～1370
-200～400
600～1800
-20～1750
-20～1750
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