One of Hottest for Foldable Stair Climbing Trolley - Multi-Function Ventilation Meter JFY-4B – Topsky

Short Description:

Model；JFY-4B Application:JFY-4B Multi-Function Ventilation Meter is an intrinsically safe and explosion-proof instrument, especially designed to measure temperature, differential pressure, wind speed and concentration of methane gas. It is used at the ventilation resistance, HVAC and pipeline...

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One of Hottest for Foldable Stair Climbing Trolley - Multi-Function Ventilation Meter JFY-4B – Topsky Detail:

Model；JFY-4B

Application:
JFY-4B Multi-Function Ventilation Meter is an intrinsically safe and explosion-proof instrument, especially designed to measure temperature, differential pressure, wind speed and concentration of methane gas. It is used at the ventilation resistance, HVAC and pipeline inspection mainly. The instrument had been calibrated precisely before they left the factory. As long as you use correctly, the instrument can work stably for a long time.

Key Feature:
Easy to read
On-screen messages and instructions

Technical Specification:

Range	Wind speed	0.2m/s to 25 m/s
	Temperature	0 ℃to 40℃
	Differential pressure	-3500 Pa～+3500 Pa
	CH4	0.00 % CH4～4.00 %
Resolution	Wind speed	0.01m/s
	temperature	0.1℃
	Differential pressure	0.1Pa
	CH4	0.01%

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