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The HT950N model was designed to execute temperature measures and control on internal circuit of HV oil or air transformer, to prevent possible definitive damages or dangerous over-heating. The instrument, with panel standard configuration (96 x 96 cm), receive on input up to 4 signals from Pt100 DIN 3-wires devices and execute measures up to 200°C in real-time. HT950N permits to program the input number and its possible also to set up to 3 temperature threshold to active an acoustic pre-alarm, the switch off of transformer and a possible forced ventilation systems respectively, which are associated to the same number of output independent relays, free contact voltage. The instrument programming of any parameters is possible directly by keyboard without anyone software.
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