Respirator dead cavity tester RF4312

Description

Respirator dead cavity tester

Respirator Inhalation Tester

Model: RF4312

 

The respirator dead space tester is an instrument for detecting the volume fraction of carbon dioxide inhaled from the previous exhalation of the self-priming filter type anti-particulate respirator.

Wear the exhalation valve on the matching test head mold in an airtight manner, open the dead cavity test device, and continuously monitor and record the concentration of inhaled air and CO2 in the environment until it reaches a stable value.

The RF4312 dead cavity test device is composed of a breathing simulator, a test head mold, a CO2 concentration measuring instrument, an air pump, a flow meter, an air velocity measuring instrument, and a single-chip microcomputer control system.

 

Scope of application: self-priming filter type anti-particulate respirator, etc.;

 

Applicable standards

GB 2626

EN 136

EN 149

JIS T8151

 

Specifications:

1. The total volume of the gas path of the detection device: greater than 2L;
2. Breathing frequency of breathing simulator: 20 times/min;
3. Tidal volume of breathing simulator: 0.5L/min – 2.8L/min;
4. Flowmeter range: 5-45L/min., accuracy 1L/min;
5. CO2 concentration measuring instrument: 0-50000ppm, accuracy 0.1%;
6. Anemometer: 0.1-30m/s, accuracy 0.1m/s, resolution 0.01m/s;
7. Test head model: 3 (one each of large, medium and small)

 

Order article number RF4312 breathing valve dead space tester

RF4312/1 test head mold (large)

RF4312/2 test head mold (middle)

RF4312/3 test head mold (small)