Product Description This product is tested using the vacuum principle of self-help device airtight device, its internal self-designed micro-pump, negative pressure exhaust directly to work.
Test object: filter self or chemical oxygen self-rescuer
Technical indicators
Detection range
(-0.1 ~ 0) MPa
Accuracy class
2.5
Power
90W
Supply voltage
220V/50Hz
Dimensions
320 *200 *300mm