5V 25Bar Low Cost Compact Size Pressure Transmitter

Place of Origin China
Brand Name Sier
Certification CE,RoHS
Model Number SPT21C
Minimum Order Quantity 1
Price USD20~35/Piece
Packaging Details Carton
Delivery Time 7
Payment Terms T/T, Western Union
Supply Ability 5000 pieces each month
Product Details
Housing SS304 Pressure Port SS304
Diaphragm SS316L Sealing Gasket Viton
Plug Housing Plastic Cable Φ7.5mm Polyethylene Special Cable
Accuracy ±0.5%FS
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Product Description

SPT21C Pressure Transmitter


  • Excellent performance
  • Short protection, reverse polarity protection
  • Gauge, absolute and sealed gauge pressure optional
  • Measurement media: liquid, gas and stream


SPT21C uses high stable and reliable pressure sensor and special circuit board to made transmitter. This product is used for measure and control of liquid, petroleum, chemi-industry, air, electric power, hydrology and flow pressure measure, etc.


Pressure range -0.1…0~0.01…100MPa (-1…0~0.1…1000bar)
Over pressure 1.5 times FS or 110MPa (min. value is valid)
Pressure type Gauge/absolute/sealed gauge optional
Process connection G1/4 male thread (or as per customer’s requirement)
Accuracy ±0.5%FS
Long term stability max. ±0.3%FS/year
Offset thermal drift 0.1%FS/℃(≤100kPa); 0.05%FS/℃(>100kPa)
Span thermal drift 0.1%FS/℃(≤100kPa); 0.05%FS/℃(>100kPa)
Compensated temp. 0~50℃
Application temp. -30~80℃
Storage temp. -40~120℃
Power supply 12~28VDC
Output signal 4~20mADC(2 wires) 0/1~5VDC(3 wires)
Load resistance ≤(U-12)/0.02Ω(2-wire), ≥10k(3-wire)
Housing protection IP65
Electrical connection DIN43650 plug/M12 connector


Construction and Outline Dimension

Construction material:

Housing SS304
Pressure port SS304
Diaphragm SS316L
Sealing gasket Viton
Plug housing Plastic


Outline dimension:

5V 25Bar Low Cost  Compact Size Pressure Transmitter 0

Electrical Connection

5V 25Bar Low Cost  Compact Size Pressure Transmitter 1

5V 25Bar Low Cost  Compact Size Pressure Transmitter 2


  • Please pay attention that the media should be compatible with the contacted parts;
  • If any special requirements on function or specification, please contact with us freely;


Our service

♦Professional consulation

♦Provide detailed information

♦Offer a reasonable quotation