National Instruments TBX-1303

The TBX-1303, designed for thermocouples, is also very effective for general-purpose applications. This terminal block includes special features for thermocouples, including isothermal construction with a plastic cover to minimize thermal gradients, open-thermocouple detection circuitry, and automatic ground referencing circuitry. When using the TBX-1303 with the SCXI-1102 Series, this terminal block provides a high-impedance path to ground, so that systems work reliably with either floating or ground-referenced thermocouples. For applications with the SCXI-1100, you can configure the channels to be ground-referenced or floating in blocks of eight channels. For general purpose applications, this terminal block includes 108 terminals, including CH+, CH-, and shield for each input channel. The TBX-1303 also works with the SCXI-1181 breadboard module.