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Lefoo Air Differential Pressure Transmitter LFM52

LEFOO LFM52 micro differential pressure transmitter is our new differential pressure transmitter, which has the flexibility of multi-range sensor and single-range transmitter dip switch for easy field adjustment, with IP65 protection level housing, and equipped with stainless steel conduit connector for easy wiring. It is suitable for HVAC, energy management systems, VAV and fan control, environmental pollution control, static piping and clean room pressure, fume hood control, oven boost pressure and furnace ventilation control.


Features

* High-precision MEMS micro-pressure core body, wide temperature compensation, and sensitive pressure response

* 5-digit LCD digital display, clear display

* Field-available zero button, selectable pressure ranges

* Strong stability and long service life

* IP65 protection grade shell

Specification of Air Differential Pressure Transmitter LFM52

Technical parameter


LEFOO Air Differential Pressure Transmitter LFM52
Mediumair or neutral gas
Pressure Range±100Pa, ±1,000Pa, ±10,000Pa
Overpressure capacity5KPa(LFM526), 10KPa(LFM520); 80KPa(LFM522)
Accuracy±1%F.S
Operating temperature-20℃~70℃
Compensation temperature-10℃~60℃
Storage temperature-40℃~70℃
Response time0.5s/1s/2s/4s
Protection LevelIP65
Electrical connectionsTwo-wiredThree-wiredFour-wiredSix-wired
Output signal4~20mA0~5VDC/ 0~10VDCRS-4854~20mA/ 0~10VDC
Power supply12~30 VDC12~30 VDC/24VAC±20%9~30 VDC12~30 VDC/24VAC±20%
Power consumption≤1.5W
Pressure interfaceMetal barbed interface,φ6.2mm
CommunicationRS-485 Standard interface, Modbus RTU protocol
CertificationROHS certification,EU CE certification
Electromagnetic compatibilityEN 61326-1
Display

LCD backlit digital display


Dimension

LEFOO Air Differential Pressure Transducer LFM51

Selection Guide

Code and DescriptionRemark

LFM52

Air Differential Pressure Transducer

Model


6

-100~100pa

Range

0

-1000~1000Pa

2

-10000~10000Pa


N

No display

Display

O

With display


A

4~20mA +0~10VDC( Simultaneous output)

Output type

B

4~20mA(Two-wired)

C

0~10VDC(Three-wired)

D

0~5VDC(Three-wired)

E

RS-485 communication

E1

RS-485 communication(with isolation)



LFM52

6

O

B


Selection example






Features of Air Differential Pressure Transmitter LFM52

  • High-precision MEMS micro-pressure core body, wide temperature compensation, and sensitive pressure response

  • 5-digit LCD digital display, clear display

  • Field-available zero button, selectable pressure ranges

  • Strong stability and long service life

  • IP65 protection grade shell

Applications of Air Differential Pressure Transmitter LFM52

Air and Neutral gas pressure measuring

Noise environmental protection project bellows

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