SPT-85-G

The smart, non-isolated transmitter SPT-85 is designed for in-head mounting. This transmitter allows the user to select sensor and input signal type (4 RTD types, 6 thermocouples and 3 linear signals); select and adjust input range; perform offset correction and device calibration; select output reaction on sensor break; adjust the digital filter.

Parameters

Power supply 8-32V DC ± 10%
Outputs 4-20 mA, 2-wire
Humidity 0-90%, non-condensing
Communication interface RS-232
Input signal Pt100, Pt1000, PTC, thermocouples, voltage, analog
Operating temperature -20 ÷ +85°C
Accuracy 0,3% of measurement range
Case dimensions Ø 44 x 23 mm
Weight 40 g
Reaction to sensor break less than 3,8 mA or more than 20,2 mA, programmable
Measurement range depends on input signal
Min. range 50°C (for RTD inputs); 100°C (for thermocouples)
Mounting in head
Maximum load 750 Ω @ 24 VDC / 20 mA
Software fully programmable with configuration software