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Lefoo High Accuracy Low Range Differential Pressure Transmitter LFM53

LEFOO LFM53 differential pressure transmitter adopts a thermal micro-pressure core, and uses the micro-flow path integrated with the sensor chip to detect the air pressure by detecting the change of the flow rate of the thermal airflow. It has the characteristics of strong overload capacity, strong anti-electromagnetic interference ability, wide measurement range, and multi-signal output. Widely used in the detection of air or neutral gases, such as HVAC, process control, environmental control, clean room, or other detection systems that require differential pressure.


Features

* Imported thermal micro-pressure core body, sensitive to pressure

* Range as low as ±25Pa

* Overload pressure up to 2Bar

* Accuracy up to 0.5%F.S., strong stability, good repeatability

* Easy installation, insensitive to installation position

* Strong anti-interference ability, optional isolated output

Specification of High Accuracy Low Range Differential Pressure Transmitter LFM53

Technical parameter

LEFOO High Accuracy Low Range Differential Pressure Transmitter LFM53
Mediumair or neutral gas
Pressure Range±25Pa, ±50Pa, ±100Pa
Overpressure capacity2Bar
Accuracy±25Pa, ±1Pa
±50Pa, ±1%F.S.
±100Pa, ±0.5%F.S.
Operating temperature-20℃~70℃
Storage temperature-40℃~80℃
Temperature drift0.03%F.S./℃
Protection LevelIP65
Electrical connectionFour-wiredSix-wired
Output signalRS-4854~20mA/ 0~10VDC
Power supply9~30 VDC/24VAC±20%12~30 VDC/24VAC±20%
Pressure interfaceMetal barbed interface,φ6.2mm
CommunicationRS-485 Standard interface, Modbus RTU protocol
CertificationROHS certification,EU CE certification
Electromagnetic compatibilityEN 61326-1

Dimension

LEFOO Air Differential Pressure Transducer LFM51


Selection Guide

Code and DescriptionRemark
LFM53High Accuracy Low Range Differential Pressure TransmitterModel

1-25~25paRange
2-50~50pa
3-100~100pa

NNo displayDisplay
OWith display

A4~20mA +0~10VDC( Simultaneous output)Output type
ERS-485 communication
E1RS-485 communication(with isolation)


LFM531OE
Selection example


Features of High Accuracy Low Range Differential Pressure Transmitter LFM53

  • Imported thermal micro-pressure core body, sensitive to pressure

  • Range as low as ±25Pa

  • Overload pressure up to 2Bar

  • Accuracy up to 0.5%F.S., strong stability, good repeatability

  • Easy installation, insensitive to installation position

  • Strong anti-interference ability, optional isolated output



Applications of High Accuracy Low Range Differential Pressure Transmitter LFM53

Air and Neutral gas pressure measuring

Noise environmental protection project bellows


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