1. Product overview:
The waterproof pressure transmitter adopts imported silicon chip, which has high performance and stable accuracy; it adopts the diffusion silicon pressure core as the sensitive element, and the built-in processing circuit converts the sensor millivolt signal into standard voltage and current signal, which is connected with the unit instrument or DCS system, PLC It 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. Integrated chip, wide voltage power supply.
3. The integrated stainless steel structure is compact and easy to install.
4. Cut-off frequency design, strong anti-interference ability and lightning protection.
5. Current limiting, voltage limiting, reverse polarity protection (current limiting output).
6. High precision, good stability, fast response and impact resistance.
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 Customized |
Supply voltage | 12~30VDC conventional custom |
Accuracy class | 0.25%FS、0.5%FS |
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≤5H |
Stable performance | ±0.1% FS/year |
temperature drift | ±0.01%FS/℃ (within temperature compensation range) |
Protection class | IP68 |
Load characteristics | Current type load≤{(Us-7.5)÷0.02(Us=supply voltage)}Ω Voltage type load ≥100kΩ |
Electrical connections | lock wire outlet |
5. Product pictures:
