SPD201/O2 Oxygen Gas Detector

SPD201/O2 Oxygen Gas Detector

Features
1. Test Oxygen in the office, workshop, train, bus, mine, mountain, vessel cabinet ect.
2. With backlight, alarm with light and sound.
3. Low battery indicate
4. Easy operation
Specifications: 
Range: 0~25%VOL
Accuracy: ±0.5%
Power: 3×1.5V AAA battery
Size: 172x51x26mm
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