Water Oil Refrigerant Steam HVAC Pressure Transmitter
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Water Oil Refrigerant Steam HVAC Pressure Transmitter

Used in hydraulic and pneumatic equipment, servo valves and drive,
piping systems, and HVAC industry.
Pressure range 0~10MPa Optional output 4~20mA, 0~5VDC, 0~10VDC, 0.5~4.5VDC
Compact structure
Digital circuit compensation
Strong anti-interference, good long-term stability
A variety of electrical connections
Liquid contacting diaphragm 316L
Suitable for mass production
  • PT90

  • ORR

  • ORR-PT90-60MPa

Applications of pressure transmitter

·Pump and compressor

·Commercail air conditioning unit (HVAC)

·Automatic testing system

·Pneumatic system


Introduction of pressure transmitter

PT90 pressure transmitter made by ORR’s own pressure sensor core as sensor sensitive element. Pressure transmitter can be transferred liquid or gas pressure into the various standard analog output signal 4~20mA, 0~5VDC, 0~10VDC, 0.5~4.5VDC. Transmitter strictly proceed by high-low temperature calibrated and endurance test with tough structure. It is proved that  PT90 product works well under severe environment, PT90 product has shared a reliable performance and service to some very famous customer such as Carrier, LG and SANY Group etc.The product is widely used for pump, compressor, commercial air conditioning and pneumatic system.

Special features of pressure transmitter

·Wetted parts apply stainless steel ensure excellent corrosion resitance

·12~30VDC wide operating voltage range

·Standard optional analog output 4~20mA, 0~5VDC, 0~10VDC, 0.5~4.5VDC

·Build-in silicon oil filling sensor core

Pressure Transmitter electric specification

Power supply: 24VDC(12~30VDC)

Electric connection: Packard, M12, Flying lead, Customization 

Insulation resistance: ≥100MΩ/500VDC(200MΩ/250VDC)


Pressure Transmitter construction 

Diaphragm: stainless steel 316L

Housing: stainless steel 304

SpecificationsTechnical data

Measuring range

0.8     10       20      30       50        60  MPa
Overload pressure200%F.S.                                            150%F.S.
Burst pressure300%F.S.                                            200%F.S.
Operational modeGauge, Absolute
Measuring mediaGas, liquid compatible with stainless steel
Output signal4~20mA, 0~5VDC, 0~10VDC, 0.5~4.5VDC
Operation voltage24VDC(12~30VDC)
Long-term drift(type)<±0.2(type)                                                 %F.S./Year
Compenstated temperature range (type)-10~+70                                                                          ℃
Operating temperature range (type)-20~+80                                                                          ℃
Storage temperature range (type)-40~+120                                                                        ℃
Fluid temperature range (type)-30~+105                                                                        ℃
Insulation resistance≥100MΩ/500VDC(200MΩ/250VDC)
Vibration resistance 

Sine curve: 20g, 25Hz~2kHz; IEC 60068-2-6

Random: 7.5grms, 5Hz~1kHz; IEC 60068-2-64

Shock resistance 

Shock: 10g/11ms; IEC 60068-2-27

Free fall: 1m; IEC 60068-2-32

EMC proof

IEC 61000-6-3

IEC 61000-6-2

Mechanical connectionG1/4A; G3/8A; NPT1/4; 7/16-20UNF
IP protectionIP 65(Packard) ;  IP67(M12 or flying lead)

Pressure Transmitter dimensions:

Pressure Transmitter PT90-Dimension

Pressure Transmitter order guide:





Product Inquire
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Total Sensor Solution




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