The NI cFP-TC-125 provides eight thermocouple inputs for Compact FieldPoint systems.
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Key product information and technical features.
NI identifies the cFP-TC-125 as an eight-channel thermocouple module in its Compact FieldPoint migration guide. It is distinct from the cFP-TC-120, which is listed separately.
NI strongly recommends the cFP-CB-3 for thermocouple measurements. Its isothermal construction minimizes thermal gradients at the terminals, supporting improved measurement accuracy.
Verified product specifications.
| Channel count | 8 channels |
|---|---|
| ADC resolution | 16 bits |
| ADC architecture | Delta-sigma |
| Voltage input range | -20 to 80 mV |
| Operating temperature | -40 to 70 °C |
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Manufacturer
Modular I/O platform
Thermocouple input module
Mounts on a cFP-BP-x or cFP-180x backplane.
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Product-specific answers based on available technical information.
NI recommends the cFP-CB-3 isothermal connector block for cFP-TC-125 thermocouple measurements to reduce terminal thermal gradients.
Yes. Its voltage input range is -20 to 80 mV.
No. Measurement error depends on thermocouple type, measured temperature, cold-junction temperature and sensor accuracy.