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Lefoo Explosion-Proof Air Speed Transmitter LFS72

LFS72 Explosion-proof Air Speed Transmitter is suitable for gas flow measurement in Explosion-proof environments. This Explosion-proof Air Velcoity Transmitter can convert the flow rate of gas into an electrical signal and transmit it to the control system, The range can be adjusted on-site through buttons, and the lP65 protection grade casing is used. lt is suitable for energy management systems, VAV and fan control, environmental pollution control, smoke hood control, oven and boiler ventilation control and other fields.


Features


* High-precision MEMS micro-pressure core, high precision and wide operating temperature range

* Clear LCD digital display

* Zero button available on-site, wind speed range adjustable

* Strong stability and long service life

* IP65 protection grade housing


Specification of Explosion-Proof Air Speed Transmitter LFS72

MediumAir or neutral gas
RangeSpeed: 0~10 m/s, 0~20 m/s, 0~30 m/s, 0~40 m/s (Range can be customized.)
Over Voltage10KPa
Accuracy±3.0%FS(Speed > 3 m/s)
Operating TemperatureHost machine: -20℃~80℃; Probe: -40℃~450℃
Compensation Temperature-10℃~60℃
Storage TemperatureHost machine: -40℃~85℃
Response Time0.5s (default) / 1.0s / 2s / 4s
Protection GradeIP65
Pressure ConnectionStainless steel 1/2" quick connection
Signal Output4~20mA / 0~10VDC / RS485
Power Supply①12~30VDC/ 24VAC±20%
Power Consumption≤1.5W
Shell MaterialCast Aluminium
CommunicationRS-485 standard interface, Modbus RTU protocol
CertificatesROHS, CE
Explosion-Proof GradeEXd IIC T6 Gb
DisplayLCD digital display
Weight (Approximate)Host machine: 1362g




Features Explosion-Proof Air Speed Transmitter LFS72

  • High-precision MEMS micro-pressure core, high precision and wide operating temperature range

  • Clear LCD digital display

  • Zero button available on-site, wind speed range adjustable

  • Strong stability and long service life

  • IP65 protection grade housing


Applications of Explosion-Proof Air Speed Transmitter LFS72

Suitable for gas flow measurement in Explosion-proof environments: 

  • Energy management systems

  • VAV and fan control

  • Environmental pollution control

  • Smoke hood control

  • Oven and boiler ventilation control


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