New Portable Oxygen Concentration Content Tester Meter Detector
136,02 €
Detect scope: 0－100％ 0－25％ 0－5％. Precision ±0.15％（when oxygen is less than 5％）±0.3％（5％－25％）, ±3％（above 50％）。. Sensor: electrochemistry sensor. Source: 6F229Vlaminated battery that can run 500 hours continuously.
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