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HPT300-S Universal Pressure Sensor

The HPT300-S series Pressure transmitter with ceramic applied in the engine fuel pressure, hydraulic pressure and gas pressure industries, which is adopt the Flush Ceramic piezoresistive technology.

Application :

● Critical industrial applications

● Harsh environments in the process industry

● Chemi-industry

● Metallurgy

● Power station

● Hydrology, Agriculture

01Fully Welded Stainless Steel Housing
02Overcurrent /overvoltage protection
03Full sealed high stability impact design
04EMI/RFI Protection
05Small temperature drift, automatically compensates for changes in barometric pressure

Holykell-Measuring Instrument


Fuel pressure sensor for oil pressure measurement

Technical Data

Pressure range

-1-0~1 bar…600 bar optional


2 wires(4-20mA)  3 wires(0-5V,0-10V,0.5-4.5V)

Power supply

10-30VDC, 8-30VDC, 15-30VDC, 5±0.25VDC  


≤ ±0.5%F.S (Typical)   ≤ ±0.25%F.S (By Customized)
Safe Overload 150% F.S.
Burst Pressure
300% F.S. (P≤100bar);  200% F.S. (P≤400bar);  150% F.S. (P=600bar)
Total Error Band 0...50 °C max. ≤±1.0%FS; -20...80 °C max. ≤±2.0 %FS
Stability 0.2%F.S±0.05%/Year
Temperature Compensation 0℃~50℃
Medium Compatible
Compatible with 304, 316 Stainless Steel according to customized
Insulate resistance >100M Ω @100Vdc
Zero Temp. Drift

Pressure connect port

1/8" NPT male, 1/4"NPT male 1/4"NPT Female, G1/2"male, G1/4"male/female
 7/16"-20 UNF male are optional. (by customized)
IP rating IP65 
EMC Standard 
EN 61326-1:2013; EN 61326-2-3:2013
EN 61000-6-2:2005; EN61000-6-4:2007+A1


Electronic Connection 

Terminal Box (DIN43650 Hirschmann Connector, IP65)
Directly sealed cable IP65; 
M12 4 Pins connector P65;
Small Hirschmann Connector IP65.

Order information

Pressure range : 0-30 bar , Output : 4-20mA , Power supply : 12~36VDC ,

Process connection : 1/4"NPT male ,Electronic Connector : Hirchaman connector .


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