Email Us

Air Differential Pressure Transmitter LFM51

LEFOO LFM5 series differential pressure transmitters are widely used for air or neutral gas detection. This product adopts imported micro-pressure core, digital pressure acquisition, and temperature compensation, and has the characteristics of sensitive pressure response, stable long-term output, and superior temperature performance. It has 0.5% F.S accuracy, can OEM, strong overload capability, multiple pressure ranges and signal output, easy installation, ROHS certification, CE certification, strong electromagnetic interference resistance, wide range measurement, etc. This differential pressure transducer is widely used in HVAC, energy management systems,  VAV and fan control, cleanroom pressure, smoke hood control, oven pressurization, furnace ventilation control, and other fields.


Features


* Quick installation Spring screw

* Multiple measure scales and various output signals

* Protection level IP65

Get a Quote

Specification of of Air Differential Pressure Transmitter LFM51


GeneralValue
Pressure Range0~±100Pa, 0~±1,000Pa, 0~±10,000Pa
Overpressure capacity5KPa(LFM516), 10KPa(LFM510); 80KPa(LFM512)
Accuracy±1%F.S
Operating temperature-20℃~70℃
Response time0.5s/1s/2s/4s
Protection LevelIP55
Electrical connectionsThree-wiredFour-wiredSix-wired
Output signal4~20mA0~5VDC/
0~10VDC
RS-4854~20mA/
0~10VDC
Power supply16~30 VDC
Power consumption≤1.5W
Pressure interfaceMetal barbed interface,φ6mm
CommunicationRS-485 Standard interface, Modbus RTU protocol
CertificationROHS certification,CE certification
Electromagnetic compatibilityElectromagnetic radiation:EN50081-1/-2;Electromagnetic sensitivity:EN50082-2
Lightning protection

Air conduction withstand voltage 8000V, shell and cable conduction withstand voltage 4000V (can be customized according to requirements)



Model Selection instructions

         

Code and description

Remark



LFM51


Model



6

-100100pa

Range



0

-1000~1000Pa



2

-10000~10000Pa




N

No display




O

With display

Display




A

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

Output type


P = psi




B

4~20mATwo-wired




C

0~10VDCThree-wired




D

0~5VDCThree-wired




E

RS-485 communication




C

±1.0%FS

Accuracy





K

±0.5%FS     >1000pa


LFM51      

6

 O

B

C  

Selection example





Dimensions

21323131.jpg

Description of Air Differential Pressure Transmitter LFM51

  • Adopt micro-pressure core, sensitive to pressure

  • LCD digital display shows clear

  • Digital pressure acquisition and temperature compensation

  • Strong stability and long service life

Application Digital Pressure Transmitters

Air and Neutral gas pressure measuring

Noise environmental protection project bellows

Product Inquiry