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HPM280 Intelligent Protective LCD Digital Display Pressure Transmitter

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The HPM280 Protective Pressure Transmitter utilizes a high-stability and reliable diffused silicon piezoresistive pressure sensor for accurate signal measurement. It undergoes automatic testing and laser trimming to achieve wide temperature compensation. These products undergo strict testing and ageing testing to ensure stable and reliable performance. Equipped with a field digital display, the transmitter is suitable for measuring pressure in hostile working environments. HPM280 finds extensive applications in the machinery, metallurgy, petrochemical, power, and other industries for precise pressure measurement. It offers reliable performance and accurate readings in various demanding environments.


  • Pressure monitoring in manufacturing

  • Metalworking

  • Chemical

  • Electrical

  • Various industrial operations


  • Aluminum alloy electronic shell with IP65 protection grade.

  • On-site display with simultaneous output of 4 ~ 20mADC and other remote signals.

  • Reverse polarity protection and instant over-current and over-voltage protection measures.

  • Adjustable zero point and full scale.

  • Strong anti-interference capability and excellent long-term stability.

Technical Parameters

Pressure Range(Gauge pressure)


Pressure Range(Absolute pressure)



1.5x of full scale

Measuring medium

various liquid, gas or steam compatible with 304 or 316L stainless steel

Output Signal

4~20mA,4~20mA+Hart, 0-5V,0-10V etc.

Power Supply24VDC(12~30VDC)


±0.5%FS(default),±0.25%FS (Option)

Long-term Stability


Temperature Coefficient 

±0.03%FS/℃(Reference 25℃)

Working Temperature


Storage Temperature


Protection Grade


Electrical Connection

Cable gland (M20*1.5)

Process Connetion

M20*1.5,G1/2,G1/4 NPT1/2 etc.

Our product philosophy is specialization, customization, and intelligence.

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Contact Us

    Add : Room 201, Building 5, No.18, Fenghua Road, Yuhua Economic Development Zone, Nanjing, Jiangsu,China
    Phone : +86-13270442058
    E-mail : info@hjsensor.com
   Whatsapp : +86-13270442058
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