AR253 Atmospheric pressure, humidity, temperature
Atmospheric pressure, humidity and temperature transducer, optionally LCD, output current 4÷20mA, voltage 0÷10V or digital RS485, wall-mounted housing IP65
Range: 300÷1100hPa, 0÷100%RH and -30÷80 °C
AR257 carbon dioxide, humidity, temperature
Carbon dioxide, humidity and temperature transducer, optionally LCD display, 0/4 ÷ 20mA current output, 0/2 ÷ 10V voltage output or digital RS485, IP65 wall housing.
Range: 0÷10000 ppm, 0÷95 %RH, 0÷50 °C
AR258 dust, atmospheric pressure, humidity, temperature
Dust, atmospheric pressure, humidity and temperature transducer, optionally LCD display, 0/4 ÷ 20mA current output, 0/2 ÷ 10V voltage output or digital RS485, IP65 wall housing.
Range: 1÷1000 µm/m3, 0÷100 %RH, 10÷60 °C, 300÷1100hPa
AR259 TVOC, humidity, temperature
TVOC, humidity and temperature transducer, optionally LCD display, 0/4 ÷ 20mA current output, 0/2 ÷ 10V voltage output or digital RS485, IP65 wall housing.

