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1. 5L Mask Dead Cavity Tester , Respiratory Protective Equipment Self - Suction Filter Anti - Particulate Respirator

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Address: ROOM 1205, 12/F, TAI SANG BANK BUILDING, 130-132 DES VOEUX ROAD，CENTRAL, HONG KONG

Contact name:Jack young

Country/Region	china
City & Province	hong kong hong kong

Mask dead cavity tester

1. Overview

This instrument is used to detect the dead space of protective masks, that is, the volume fraction of CO2 in the inhaled gas.

2. Applicable standards

· GB 2626-2006 Respiratory protective equipment Self-suction filter anti-particulate respirator

3. technical parameter

· Breathing simulator to simulate breathing frequency modulation: 10 ~ 40 times / min

· Adjustable range of simulated tidal volume: 0.5 ~ 3.0L / min

· The volume fraction of the carbon dioxide gas source is 5.0 ± 0.1%

· Carbon dioxide flow meter range: not less than 40L / min

· Carbon dioxide analyzer range: not less than 12%, accuracy is not less than 0.1%

· Electric fan: wind speed 0.5 m / s · breath frequency: 20 times / min

· Respiratory tidal volume: 1. 5L

· Power supply: AC220V 50Hz

· Real-time automatic calculation and display of the volume fraction of CO2 in the inhaled gas

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