LFY-226D Overpressure Exhaust Valve Ventilation Resistance Testing Instrument

Main purpose

Used for measuring the ventilation resistance of the overpressure exhaust valve of chemical protective suits. Suitable for safety protection inspection centers, occupational safety inspection centers, protective clothing manufacturing enterprises, etc. 
Technical Specifications

The instrument consists of an air supply flow regulation system and an air pressure measurement system. 
2. The digital display shows the ventilation resistance and has the functions of zero-point correction and accuracy correction. 
3. Sample holding device. 
4. Pressure measurement range: -2000 to 2000 Pa, accuracy: ±1 Pa. 
5. Gas flow measurement range: 0 - 100 L/min, accuracy: 1st class; test flow: 30 L/min. 
Applicable Standards 
GA 770-2008 Firefighter Chemical Protective Clothing 7.5 Appendix D