The 1PT series pressure transmitter adopts innovative design and has passed a series of extreme tests targeted at the refrigeration and HVAC industries, ensuring reliable quality. It is the most ideal pressure transmitter for applications in the refrigeration and HVAC industries. On the premise of ensuring quality and minimizing costs, it has a good cost-effectiveness. Widely used in environmental monitoring pressure for wide temperature range control, such as real-time pressure monitoring of high and low pressure ends of refrigeration compressors and a series of application scenarios.

The 1PT series pressure transmitter has obtained CE and CQC certificates, and has passed a series of extreme tests for the refrigeration and HVAC industries with over 15 years of market application experience. It is widely used by well-known air conditioning and heat pump manufacturers at home and abroad.

Pressure range 0~400 bar
Supply voltage 4.5~5.5 Vdc
Output voltage 0.5~4.5 Vdc;0.5~3.5 Vdc
Proof pressure 1.5X
Burst pressure 2.0X
Accuracy-@25℃ ±2.0%FS typ.
Total error band ±2.5%FS
Operating temperature -30~80℃
Refrigerant temperature -30~135℃
Refrigerant compatibilityR22、R134a、R407c、R410a、R290、R32、R507、R-454B
Supply current <10mA
Output load >10KΩ
Output current>2.5mA
Long-term stability ±0.5%FS / year
Cycle life 1 M F.S. cycles
1PT rangeOutputPressure connectionWire lengthIntroduction
50bar0-50bar
VOutput,V:0.5~4.5V;V35:0.5~3.5V
7/167/16:7/16-20UNF-2B;T6:Φ6 Straight copper tube;T6w:Φ6 Bent copper tube
1.0出线长度,1.0=1.0m,2.0=2.0m,P=Packard 接头(不带线)
Example: 1PT-50bar-V-7/16-1.0 represents a 1PT refrigeration dedicated pressure sensor (transmitter) with a range of 0-50bar; The electrical output is a three wire voltage output of 0.5-4.5V; the pressure connector is a copper connector with a pin and a specification of 7/16-20UNF-2B; Direct outgoing line, with a length of 1.0m. Customization is available for special requirements.