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:
Always customer-oriented, and it's our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers 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: Dominica, Tunisia, Liverpool, Good quality and reasonable price have brought us stable customers and high reputation. Providing 'Quality Products, Excellent Service, Competitive Prices and Prompt Delivery', we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We'll work whole-heartedly to improve our solutions and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.

This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.

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