STD290 Average Duct Temperature Sensor NTC 10 kW for TAC I/NET
The STD290 is a mean value temperature sensor containing four thermistors. It is used for temperature measurement in air ducts and is intended for mounting on a grid or on wires suspended across a duct. The STD290 is delivered as a complete unit, comprising a junction box (with amplifier) and four thermistors at 1 meter (3.3 ft) intervals along a cable. The distance from the junction box to the first thermistor is 2 meters (6.6 ft). The STD290 housing is equipped with a 20 mm (0.79 in.) cable fitting.