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Low Pressure Diaphragm Seal Pressure Transmitter
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Low Pressure Diaphragm Seal Pressure Transmitter

Pressure range 0~5MPa
Optional output 0.5~4.5VDC
Silicon piezoresistive chip
Excellent EMC and EMI characteristics
Attached RoHs, CE certification

Quantity:
  • P321
  • NS
  • NS-P321-5MPa

Applications of pressure transmitter

·Air conditioning, refrigeration, compressor

·HVAC

·Cost effective design

·Apply in all refrigerant and coolants


 

Introduction of pressure transmitter

P321 pressure transmitter made by TM’s own pressure sensor core as sensor sensitive element. Pressure transmitter can be transferred liquid or gas pressure into the standard electrical output signal 0.5~4.5V. Transmitter strictly proceed by high-low temperature calibrated and endurance test with tough structure. It is proved that  P321 product works well under severe environment, P321 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 air conditioning, refrigeration, compressor and HVAC, 


Special features of pressure transmitter

·Wetted parts apply stainless steel and copper ensure excellent corrosion resitance

·5VDC excitation 

·0.5~4.5Vdc output signal  3 wires

·Build-in silicon oil filling sensor core


Pressure Transmitter electric specification

Power supply: 5VDC

Electric connection: Packard, Flying lead, Customization 

Current consumption: ≤ 10mA

Insulation resistance: 100MΩ, 500VDC

Overpressure: 2 times FS

 

Pressure Transmitter construction 

Diaphragm: stainless steel 316L

Housing: stainless steel and copper


SpecificationsTechnical data

Measuring range

0.8        1.0        1.6        2.0        3.0       4.0       5.0      MPa
Overload pressure 200%F.S.
Burst pressure 500%F.S.
Operational modeGauge, Absolute
Measuring mediagas, liquid compatible with stainless steel and copper
Output signal0.5~4.5Vdc , 3 wires
Operation voltage5Vdc
Maximum withstand voltage32Vdc
Accuracy±1%F.S(typical)
Long-term drift(type)<±0.2(type)                                                     %F.S./Year
Compenstated temperature range (type)-20~+80                                                                           ℃
Operating temperature range (type)-30~+85                                                                           ℃
Storage temperature range (type)-40~+125                                                                         ℃
Fluid temperature range (type)-30~+120                                                                         ℃
Insulation resistance≥100MΩ(500VDC)
Current consumption

≤ 10mA

Dielectric strength

AC1500V, 1 minute or AC1800V, 1 second

Mechanical connection7/16-20 UNF female
IP protectionIP 66


Pressure Transmitter dimensions:

P321 dimension

Pressure Transmitter order guide:

P22 order guide

TM Automation Instruments Co., Ltd

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