Micromod MOD: Modcell 2050R Users Guide User Manual
Page 20

IB-23C650
INSTALLATION
Figure 3. Thermocouple Input Connections
GROUNDED
+
+
–
THERMOCOUPLE INPUT
Twisted or Shielded
Pair Thermocouple
Wire
Thermocouple
UNGROUNDED
Shield
Shield
t°
Note
–
t°
Note
Note:
Connect 100 ohm thermistor
supplied with instrument for
cold junction compensation.
Red
Wire
Thermocouple input specifications are:
Thermocouple: Automatic ranging and linearization
Type B*: 752 to 3002°F (400 to 1650°C)
*Performance accuracy is not guaranteed below 752°F.
Type E: –328 to 1832°F (–200 to 1000°C)
Type J: –328 to 2192°F (–200 to 1200°C)
Type K: –328 to 2498°F (–200 to 1370°C)
Type N: 32 to 2372°F (0 to 1300°C)
Type R & S: 32 to 3002°F (0 to 1650°C)
Type T: –328 to 752°F (–200 to 400°C)
Thermocouple resistance: 1000 ohms maximum
Sample Time: 0.25 seconds
Standards: Per NBS125 and IEC584
Resolution: 3 microvolts or one least significant digit
Accuracy:
Type J, K, E, T, N:
±2.7°F (1.5°C) of input
Type R, S, B: ±3.6°F (2.0°C) of input
Cold junction compensation: 100 ohm RTD
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