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TBX-1303 32-Channel Isothermal Terminal Block
16
ni.com
Specifications
All specifications are typical at 25 °C unless otherwise specified.
Electrical
Cold-junction sensor
Accuracy
1
........................................0.65° from 15 to 35 °C
1.0° from 0 to 15 °C and
35 to 55 °C
Repeatability....................................0.35° from 15 to 35 °C
Output ..............................................1.91 (at 0 °C) to 0.58 V (at 55 °C)
Open thermocouple detection
Pull-up resistor.................................10 M
Ω
Bias resistor .....................................10
Ω
or 10 M
Ω
Field wire gauge ..............................26 to 14 AWG
Physical
Compatible DIN rails..............................DIN EN 50 022
DIN EN 50 035
Terminal block dimensions ....................19.81 by 7.62 by 11.18 cm
(7.8 by 3 by 4.4 in.)
Maximum Working Voltage
Maximum working voltage
( common mode) ........................Each input should remain within
±10 V of chassis ground
1
Includes the combined effects of the temperature sensor accuracy and the temperature difference between the temperature
sensor and any screw terminal. The temperature sensor accuracy includes tolerances in all component values, the effects
caused by temperature and loading, and self-heating.