4-20mA Hart Differential Digital Hydraulic Pressure Air Sensor

Feature:   1 Adoption of microprocessor enhances its flexibility and function;2 Have strong self-diagnostic capability;3 Without mutual effect between zero adjustment and range adjustment;4 Complete function of remote & local setting and calibration;5 Two-wire systems, conforming to HART protocol and be capable of uninterrupted output with HART protocol terminal communication;6 To compensate for temperature and static pressure by adopting digitized compensation technology;7 Good stability, high accuracy, adjustable damping and good single-track overload ability;8 Without mechanical drive parts, little maintenance work, strong resistance to vibration;9 All general parts satisfy to the convenience of maintenance.Technical performanceUsing: liquid, gas or steamOutput signal: 4~20mA DC Output, overlay HART protocol digital signal (two-wire system)Power supply: external power supply 24V DC, power supply range 12V~45VTemperature range:                Electric circuit board work at -40~85℃;                 Sensing element work at -40~104℃                 Storage temperature: -40~85℃                 With digital display: -25~65℃ (normal operation)                                 -40~85℃ (with no damage)Relative humidity: 0~95%Overpressure limit: applying 2~5 times of maximum range pressure will bring no damage to transmitter.Volume variation: be less than 4px3Damping: time constant is adjustable within 0.2~32.0s.Starting time: 3s, preheating is unnecessary.