PT401-Differential Pressure Transmitters

 

PT401 is kind of differential pressure transmitters, based on the silicone piezo-resistive measuring principle, the sensing element is a diffused silicon piezoresistive differential pressure sensor PT401, with a stainless steel 316L isolation diaphragm. The reliable performance of the DP sensor is due to temperature compensation and aging screening. It enables zero and full scale to be adjusted externally.
PT401 uses highly reliable silicon piezoresistive differential pressure sensors and other core sensitive components which undergo temperature compensation, digital circuit correction, and signal conditioning to output standard industrial signals.

Each model in this series is meticulously designed, with component selection, process validation bonding, cyclic loading for stress relief, aging, and environmental simulation testing to ensure stability and reliability of every product.

APPLICATIONS

● Flow measurement

● Wastewater treatment

● Wind Diff Pressure under mine

● Water Diff Pressure at hydropower station

● Urban flood control and waterlogging prevention

● Underwater engineering

● Groundwater monitoring

● Central air-conditioning terminal control

● Water-saving Irrigation

 

● Pressure Type: Differential Pressure

● Range: 0-0.1Mpa-3.5Mpa/①; 0-20Kpa-100Kpa/②

● Accuracy: ±25%F.S/①, ±0.5%F.S/②

● Stability: 1%F.S/Year（typical）, 0.2%F.S/Year（maximum）

● Medium Temperature: -40℃~80℃

● Signal Output: 4~20mA, RS485, 0~10V, 1~5V

● Power Supply: 12~30Vdc/ac

● Sensing: Diffused Silicon-oil fill system

● Anti-EMI and Lightening Protection

● Ingress Protection: IP65/IP67

 

 

Pressure Type	Differential Pressure
Range	0-0.1Mpa-3.5Mpa/①	0-20Kpa-100Kpa/②
Accuracy	±0.25%F.S/①	±0.5%F.S/②
Stability	0.1%F.S/Year（regular)	0.2%F.S/Year（max）
Medium Temperature	-40℃~80℃
Signal Output	4~20mA	0~10V, 1~5V	RS485
Power Supply	12~30Vdc/ac
Sensing	Diffused Silicon Oil Filled ESS320
IP	65	67
Anti-EMI and Lightening Protection	Yes