Lefoo Explosion-Proof Air Velocity Transmitter LFS71

Name: Explosion-Proof Air Velocity Transmitter LFS71
Brand: LEFOO INDUSTRIAL CO.,LTD.
Rating: 4.8 (50 reviews)

LFS71 Explosion-proof Air Velocity Transmitter is suitable for gas flow measurement in Explosion-proof environments. it 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. it 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

* lP65 protection grade housing

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Transmitter

Pump

Specification
Features
Applications

Specification of Explosion-Proof Air Velocity Transmitter LFS71

Medium	Air or neutral gas
Range	Speed: 0~10 m/s,0~20 m/s,0~30 m/s, 0~40 m/s (Range can be customized.)
Over Voltage	10KPa
Accuracy	±3.0%FS(Speed >3 m/s)
Operating Temperature	Host machine: -20℃~80℃; Probe: -40℃~450℃
Compensation Temperature	-10℃~60℃
Storage Temperature	Host machine: -40℃~85℃
Response Time	0.5s (default) /1.0s /2s /4s
Protection Grade	IP65
Pressure Connection	Stainless steel 1/2" quick connection
Signal Output	4~20mA / 0~10VDC / RS485
Power Supply①	12~30VDC/ 24VAC±20%
Power Consumption	≤1.5W
Shell Material	Cast Aluminium
Communication	RS-485 standard interface, Modbus RTU protocol
Certificates	ROHS, CE
Explosion-Proof Grade	EXd IIC T6 Gb
Display	LCD digital display
Weight (Approximate)	Host machine: 1238g

①When the product is powered by AC power, it is recommended to use an isolated AC power supply.

Features Explosion-Proof Air Velocity Transmitter LFS71

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 Velocity Transmitter LFS71

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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