4-20mA HART Differential Digital Hydraulic Pressure Air Sensor

Product Detail

4-20mA HART Differential Digital Hydraulic Pressure Air Sensor

Product feature of the pressure transmitter

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.

Pressure technical performance of the pressure transmitter


Using: liquid, gas or steam

Output signal: 4~20mA DC Output, overlay HART protocol digital signal (two-wire system)

Power supply: external power supply 24V DC, power supply range 12V~45V

Temperature 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 4px3

Damping: time constant is adjustable within 0.2~32.0s.

Starting time: 3s, preheating is unnecessary.