Best Price for Good Bearing Dorma Heavy Duty Door Closer - Multi-Function Ventilation Meter JFY-4B – Topsky
Best Price for Good Bearing Dorma Heavy Duty Door Closer - 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% |
Product detail pictures:

Related Product Guide:
We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing for Best Price for Good Bearing Dorma Heavy Duty Door Closer - Multi-Function Ventilation Meter JFY-4B – Topsky , The product will supply to all over the world, such as: America, Ottawa, Sacramento, We always insist on the principle of "Quality and service are the life of the product". Till now, our products have been exported to more than 20 countries under our strict quality control and high level service.

It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.

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