Beck. The differential pressure transmitter 990 Display for air

Technical data Supply voltage Output signal Maximum current draw 990M 990A Load for output 4 ... 20 mA 0 ... 10 V Medium Working temperature Storage temperature 18 ... 30 VAC / VDC 0 ... 10 V or 4 ... 20 mA < 190 mA < 250 mA 20 ... 500 n > 1 kn (< 10 mA) Air and non-combustible and non-aggressive gases 0 ... 50°C -10 ... 70°C Differential pressure transmitter 990 Display General description The transmitters of the 990 Display series are used to measure differential pressure, overpressure and vacuum. They offer one adjustable pressure range and two output signals. Applications Monitoring of gaseous,...

Pressure range Overload capacity Bursting Additional uncertainty pressure with temperature 0.5 mbar 1.0 mbar 2.5 mbar 5.0 mbar 10 mbar 25 mbar 50 mbar 100 mbar 250 mbar 500 mbar 1,000 mbar 2,500 mbar Further pressure ranges on request. Offset calibration Pressure range Pressure unit Output signal Display ( 0.5 mbar) ( 1.0 mbar) ( 2.5 mbar) ( 5.0 mbar) ( 10 mbar) ( 25 mbar) ( 50 mbar) ( 100 mbar) ( 250 mbar) ( 500 mbar) (1,000 mbar) (2,500 mbar) only available as 990A only available as 990A 10 V or 4 ... 20 mA, with 2 switching outputs 20 mA or 0 ... 10 V, with 2 switching outputs Electrical connection...

Analog output signal Linear 0 - 10 V 4 - 20 mA Square root 0 - 10 V 4 - 20 mA