1. Product overview:
The general-purpose pressure transmitter adopts imported silicon crystal element, which has high precision and stable performance; the silicon piezoresistive pressure core is used as a sensitive element, and the built-in processing circuit converts the sensor millivolt signal into standard voltage and current signals, which can be connected with the unit instrument or DCS system. , PLC, etc. are combined to form an automatic control system, which is an ideal pressure measuring instrument in the field of industrial automation.
2. Product features:
1. Using diaphragm isolation technology, high stability and high reliability.
2. High precision, good stability, fast response and impact resistance.
3. The integrated stainless steel structure is compact and easy to install.
4. Current limiting, voltage limiting, reverse polarity protection (current limiting output).
5. Cut-off frequency design, strong anti-interference ability and lightning protection.
6. Integrated chip, wide voltage power supply.
3. Typical applications:
It is widely used in various industrial fields (automatic equipment matching and petroleum, chemical, metallurgy, electric power, etc.) and other places where fluid pressure needs to be measured.
4. Technical parameters:
Measuring medium | Liquid or gas (compatible with contact material) |
Pressure range | -100kPa～0～100MPa |
pressure method | Gauge pressure, absolute pressure, negative pressure |
output signal | 4-20mA 0-10VDC 0-5VDC RS485 custom |
Supply voltage | 12～30VDC conventional custom |
Accuracy class | 0.25%FS、0.5%FS (The meter display accuracy is 0.5, digital tube (LED) display |
working conditions | Medium temperature -40～85℃ Ambient temperature -40～85℃ |
Temperature compensation | -10～70℃ |
Seismic performance | 10g(20...2000Hz) |
overload capacity | 1.5 times full scale or 5 times full scale |
response frequency | Analog signal output≤500Hz Digital signal output≤5Hz |
Stable performance | ±0.1% FS/year |
temperature drift | ±0.01%FS/℃ (within temperature compensation range) |
Protection class | IP65 (without display) IP54 (with display) |
Load characteristics | Current type load≤{(Us-7.5)÷0.02(Us=supply voltage)}Ω Voltage type load ≥100kΩ |
Electrical connections | Hessman interface, M12*1 aviation plug connector, M12*1 locking wire |
5. Product pictures:
aerial plug-in
Hessman
Herssman number explicit
high temperature
lock wire
