LFY-226D overpressure exhaust valve ventilation resistance tester
The main purpose
Used to determine the ventilation resistance of the overpressure exhaust valve of chemical protective clothing. It is suitable for safety protection inspection centers, occupational safety inspection centers, protective clothing manufacturers, etc.
Technical parameter
1. The instrument is composed of air supply flow adjustment system and air pressure measurement system.
2. Digital display of ventilation resistance, with functions of zero point correction and accuracy correction.
3. Specimen holding device.
4. Pressure measurement range: -2000~2000Pa, accuracy: ±1 Pa.
5. Gas flow meter range: 0-100 L/min, accuracy: level 1; test flow rate: 30 L/min.
Applicable standards
GA 770-2008 Chemical protective clothing for firefighters 7.5 Appendix D
Used to determine the ventilation resistance of the overpressure exhaust valve of chemical protective clothing. It is suitable for safety protection inspection centers, occupational safety inspection centers, protective clothing manufacturers, etc.
Technical parameter
1. The instrument is composed of air supply flow adjustment system and air pressure measurement system.
2. Digital display of ventilation resistance, with functions of zero point correction and accuracy correction.
3. Specimen holding device.
4. Pressure measurement range: -2000~2000Pa, accuracy: ±1 Pa.
5. Gas flow meter range: 0-100 L/min, accuracy: level 1; test flow rate: 30 L/min.
Applicable standards
GA 770-2008 Chemical protective clothing for firefighters 7.5 Appendix D