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20mA Differential Pressure Sensor
4-20mA/0-5V/0-10V /RS485 low cost differential pressure sensor is a high reliability, stability, and accuracy DP transmitters. It is widely used in the field of liquid, gas pressure test, water, oil, and mildly corrosive liquids measurement.
The product material is 316L stainless steel,
imported high accuracy silicon pressure sensor, dedicated amplifier
and V / I conversion circuit transmitter, the specific anti-high
voltage, high current, high magnetic field, polar lead and other
characteristics.
4-20mA/0-5V/0-10V /RS485 low cost differential
pressure sensor are piezoresistive differential pressure sensor as
sensing element. Silicon oil is filled in between die and two
diaphragms, when measured differential pressure is added on two
diaphragms the pressure could be transferred onto die through
silicon oil. Sensor die connects with amplifier circuit through
wires, using semi-conductor’s piezoresistive effect, transforming
differential pressure signal into electric signal. The whole
product is used for differential pressure measurement of petroleum,
chemi-industry, power station and hydrology, etc. Designed
according to user programmable pattern needs to change according to
the situation in the field use the amount of zero and span range.
| Sensor | 4-20mA/0-5V/0-10V /RS485 low cost differential pressure sensor | ||||||||
| Pressure Range: | 10~50KPa | 51~100KPa | 101~200KPa | 201~500KPa | 501~1000KPa | 1~2MPa | |||
| High port overload: | 30…100 kPa | 100…150 kPa | 200…350 kPa | 400…1000 kPa | 1…2 Bar | 2…35 Bar | |||
| Low port overload: | 20…50 kPa | 50…100 kPa | 150…300 kPa | 300…750 kPa | 0.75…1.5 Bar | 1.5…25 Bar | |||
| Max Static Pressure: | 1…5 Bar | 5…20 Bar | 20…30 Bar | 25…30 Bar | 40…50 Bar | 50…100 Bar | |||
| Accuracy: | ≤±0.25%F.S (high cost); | ||||||||
| (Linearity Hysteresis | ≤±0.5%F.S; | ||||||||
| Repeatability) | ≤ ±1.0%F.S Optional | ||||||||
| Electronic Wire: | 2 Wires | 3 Wires | 4 wires | ||||||
| Output: | 4~20mA | 0~5V | 0~10 V | RS485 MODBUS | |||||
| analog signal | analog signal | analog signal | (digital signal) | ||||||
| Power Supply: | 12~36Vdc | 9~36Vdc | 15~36Vdc (Typical:24 V DC) | 10-30Vdc | |||||
| (Typical:24 V DC) | (Typical:24 V DC) | (Typical:24 V DC) | |||||||
| Electronic connection: | Fixed cable and water proof IP67 (HPT700-S); | ||||||||
| Terminal Box DIN43650 IP65 (HPT700-H,HPT700-G) | |||||||||
| Pressure | 1/4’’-18NPT Female hose connection; G1/4’’ Male; G1/2’’ Male; RG=Ø8/ Ø 10gas mouth optional. (by Customized) | ||||||||
| connect port: | |||||||||
| Remarks: | Special applications request by Customized | ||||||||
| Characters: | Applications: |
| ♥ Accuracy: ≤±0.5%F.S. | ♥ Industrial course testing and control |
| ♥ Wide working temperature scope | ♥ Level measurement and control |
| ♥ Advanced digital temperature compensation. | ♥ Service to Oxygen, CO2, Nitrogen |
| ♥ Excellent resistance against impact, overload, | ♥ Petrochemical industry |
| Shock and erosion. | ♥ Storage and fuel, Oil, Water Tank applications |
| ♥ Highly static pressure overload | ♥ Pump station and water treatment system |
| ♥ Highly strong RFI & EMI resistance | ♥ Laboratory equipment |
| ♥ Impact resistance and disturbance | ♥ Industrial machinery manufacture |
| ♥ 1.5 times range standard overload. | ♥ Automatic detection system |
| ♥ 3 times range burst pressure | ♥ Saving water to irrigate |
| ♥ CE approving | ♥ And so on |
