... : DC5V, 12V,24V. 4, Far Distance: 1 km (metal wire resistance ≤ 390 ω) 5, The ambient temperature: -40 ~ +65°C Feature1, a ... reliable.3, the long transmission distance, square wave output.4, explosion-proof and intrinsically safe Flameproof Ex. Technical parameters1 ,The output signal ... : DC5V, 12V, 24V.4,Far Distance: 1 km (metal wire resistance ≤ 390 ω)5,The ambient temperature: -40 ~ +65°C