GASTEC’s Oxygen detector can quickly and accurately measure oxygen concentrations at a variety of different work sites subject to a host of complicated and varying factors.
*The GOA-7H-S comes with a 5 m sensor cord.
- Small, compact, and lightweight, only 110g
- One-touch calibration to oxygen levels of 20.9%
- Explosion-proof
- Low power consumption

Specification of Gastec GOA-7H Oxygen Detector
Measurement range | 0.0 – 25.0 % (enhanced range: 25.1 – 42.0 %) |
Measurement principle | Galvanic cell |
Sampling method | Diffusion |
Indicating accuracy | +/- 0.5%(O2) |
Alarm threshold | <18% |
Display | Digital LCD |
Explosion-proof | Certified by Japan Ministry of Health, Labour and Welfare (Class Ex ia ?C T3 Ga / Certification No.TC22879) |
Operating Temperature / Humidity range | Temperature: -10 – 40 ? Relative humidity: 30 – 90 %RH |
Power source | One AAA alkaline battery provides about 4000 hours of operation (when no alarm signal is emitted) |
Dimensions | 48(W) x 37(D) x 105(H) mm |
Weight | 110g |
For More Information and Price: Gastec GOA-7H Oxygen detector
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