1. Product overview:
The protective 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 signal, which is 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. Integrated chip, wide voltage power supply.
3. Integrated die-casting aluminum structure, strong and reliable.
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, natural gas, energy, etc.) occasions 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 | 9～30VDC |
Accuracy class | ±0.25%FS ±0.5%FS The display accuracy of the meter head is 0.5, and the digital tube (LED) display |
working conditions | Medium temperature -40～80℃ Ambient temperature -40～80℃ |
Seismic performance | 10g(20...2000Hz) |
overload capacity | 1.5 times to 5 times |
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 IP66 |
Explosion proof type | Flameproof ExdⅡCT6 Gb Intrinsically safe ExiaⅡCT6 Ga |
Load characteristics | Current type load≤{(Us-7.5)÷0.02(Us=supply voltage)}Ω Voltage type load ≥100kΩ |
5. Product pictures:
with display
Explosion-proof belt display
High temperature explosion-proof belt display
High temperature explosion-proof no display
