High-density thermocouple simulation module launched by Pickering Interfaces

This is a submission from Pickering Interfaces on the launch of a low voltage output module ideal for simulating the operation of a thermocouple. The 41-761 occupies a single PXI slot yet can provide up to 32 independently-isolated channels of thermocouple simulation. With ranges of +/-20mV, +/-50mV and +/-100mV it is suitable for simulating any thermocouple type.

Thermometers that depend on the Seebeck (thermoelectric) effect have been in use for many years. The thermocouples (sensors) used in these instruments are formed by two wires of dissimilar metal joined either at each end (two-terminal) or at one end (three-terminal) to form an electrical circuit. If the junctions are at different temperatures, a current will flow in the circuit. The magnitude of the current is proportional to the characteristics of the materials and the difference between the two end temperatures.These sensors are robust, inexpensive, available in a variety of shapes and sizes, and suitable for use over a wide range of temperatures.