Oil Pressure Sensor

PT500-501 / 502/503/504 pressure measurement of liquid, gas sensors and pressure transmitters 1, the basic characteristics of the product: PT500-500 series pressure transmitter with high precision and high stability of the resistance strain gauge / diffusion of silicon crystal / ceramic crystals as pressure-sensitive transmitter chip, elected to the patch process, matching with zero, high accuracy and stability span compensation, temperature compensation of the amplification circuit, pressure will be measured media into 4 ~ 20mA, 0 ~ 5VDC, 0 ~ 10VDC, 0.5 ~ 4.5VDC and other standard electrical signal. Product structure with full seal welded structure, the impact resistance, overload, and other product sealing performance of the products has been greatly improved, product maximum pressure up to 150MPa. Product Process connection portion and the electrical connection has a variety of ways to best meet the needs of users. 2, the product diffusion characteristics: 1), part of the process connection: flange can be extended to a series of fast interface, capillary connections, etc. 2) electrical connection: can be accessed by the second-place display meter, waterproof seal connections 3), medium temperature characteristics: -20 ~ 85 ℃, -20 ~ 150 ℃, -20 ~ 200 ℃, -20 ~ 300 ℃ 4), output signal characteristics: 0 ~ 20mA, 1 ~ 5VDC, 0 ~ 2VDC, proportional output voltage, RS485 digital signal 3, Application: Hydraulic and pneumatic control systems; petrochemical, environmental protection, air compression; plant operation inspection, the locomotive brake systems; cogeneration units; light industry, machinery and metallurgy; building automation, water supply systems; other automation and detection systems; industrial process measurement and control; pressure calibration laboratory and so on. 4, the main technical parameters: Measured medium: gas, liquid and steam pressure type: gauge pressure absolute pressure range: between -100KPa-0.6Mpa ~ 60 Mpa ~ 120 Mpa any optional output: General: 4 ~ 20mA (two-wire system), 0 ~ 5VDC, 0 ~ 10VDC, 0.5 ~ 4.5VDC (three-wire) Special: 0 ~ 20mA, 1 ~ 5VDC, 0 ~ 2VDC, voltage proportional output, RS485 digital signal Overall accuracy: ± 0.1% FS (range 60MPa above), ± 0.25% FS, ± 0.5% FS power supply: 24V Dc (12 ~ 36VDC) Insulation resistance: ≥1000 MΩ / 100VDC Load Resistance: Current Output: maximum 800Ω Voltage output: more than 50KΩ medium temperature: -20 ~ 85 ℃, -20 ~ 150 ℃, -20 ~ 200 ℃, -20 ~ 300 ℃ (optional) Ambient temperature: -20 ~ 85 ℃ Storage Temperature: -40 ~ 90 ℃ Relative Humidity: 0 ~ 95% RH Sealing rating : IP65 / IP68 Overload: 150% FS Response time: ≤10mS stability: ≤ ± 0.15% FS / Year Vibration: ≤ ± 0.15% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz) Electrical connection: He Siman connector Air tight wire nut connectors four-wire shielded cable, etc. Pressure connection: M20 × 1.5, other threads can be designed to measure liquid, gas based on customer Pressure sensors and transmitters