ZFJ-1 Self Rescuer Negative Pressure Air Tightness Tester

ZFJ-1 Self Rescuer Negative Pressure Air Tightness Tester is a device used to check self-rescuer air tightness, self-rescuer negative pressure airtight tester detecting from the host and the dryer composition, in line with GB / T8160-1987 1.4.2.2 negative pressure method , 

Reliable performance, accurate detection, intuitive, easy to install and operate.

ZFJ-1 Self Rescuer Negative Pressure Air Tightness Tester is mainly used for self-rescuer manufacturers and users of products manufactured and daily air tightness check. The use of vacuum principle of self-rescuer air tightness of the device, its internal micro-pump, direct suction to produce negative pressure to work.

ZFJ-1 Self Rescuer Negative Pressure Air Tightness Tester consists of vacuum glass dryer and the host of two parts. Check the self-rescuer, the first vacuum glass dryer placed 4-5 intact self-rescuer, and then add water, water must be to diffuse self-rescuer rubber seal (ie, the combination of the upper and lower shell) is appropriate; then Start the host; micro-vacuum pump within the host in a few seconds time can be vacuum glass dryer within the air pumping finished, so that its internal vacuum (that is, negative pressure) state. At this point if the air-tight performance of the self-rescuer bad (both air self-rescuer), because of its tight shell tightness, the gas within the natural shell through the water to take out bubbles; Bubble of the self-rescuer is a problem, poor quality of the self-rescuer, so as to achieve the purpose of checking self-rescuer performance.