Number of Channels: 15 differential thermocouples Plus one inputfor CJC Input Voltage Range: +/-5V, +/-100 mV, +/-50 mV, +/-25 mV, +/-10 mV, +/-5 mV Input Over-voltage Protection: +/- 30V Input Resistance: 1 Gig Ohm Gain Accuracy: +/- 0.05% Input Offset: +/- 15 micro-volt Output Offset: +/- 2.5 milli-volts CJC Accuracy: +/- 1 degree C Low Pass Filter Frequency: 8 Hz, removable by customer Common Mode Rejection: 100 dB Power Requirements: + 5V @ 200 mA Physical Dimensions: 8.25″ x 6.8″ x 1.97″ (20.95 cm x 17.27 cm x 5.0 cm) Operating Temperature Range: 0 to 60 degree C
The 1781-STB-TC is a special analog termination board for use only with 1781-JxA SmartMux adapters. The 1781-STB-TC provides a low-cost means to provide 15 thermocouple measurements of the same type and range with a SmartMux. The 1781-STB-TC electrically looks like a 1781-5B16 analog input mounting rack to the SmartMux, but it is dedicated to use with a single thermocouple type and range. Applications should be limited to those where isolation between thermocouples is not required. For those applications requiring multiple thermocouple types or isolation between thermocouples, consider the 1781-5B or 1781-7B series of input modules. The 16th. thermocouple input channel is dedicated for cold junction compensation.
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