ACCURATE: Professional and Accurate OXYGEN (O2) gas detector, 0-30.0% with 0.1% resolution. USA NIST Calibration.
DETECT: Electrochemical cell sensor with accuracy: ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Comes factory calibrated.
ALARMS: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.
STRONG: Shock proof, water proof, dust proof and explosion proof with belt clip.
? TRUST: ** 1 YEAR limited warranty ** Arrives with calibration and QA certificate ** 100% product test and verification in the USA ** 100% quality guaranteed **
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| FD-90A-O2 | FD-103-O2 | FD-600-O2 | FD-OXY1000 | FD-O2BOX |
| Detection Range | 0-30% | 0-30% | 0-30% | 21-100% | 0-100% |
| Resolution | 0.1% | 0.1% | 0.01% | 0.1% | 0.1% |
| Accuracy | better than 5% F.S. | better than 5% F.S. | better than 3% F.S. | < ±1.5% of reading | < ±0.2% of reading |
| Response Time | <30 seconds | <60 seconds | <20 seconds | <30 seconds | <30 seconds |
| Rechargeable | | | | | |
| Battery | Li-ion Rechargeable | 1 x 9V | Li-ion Rechargeable | Li-ion Rechargeable | 3 x AAA |
| Built-in Pump | No | No | Yes | No | No |
| Sensor & Expected Life | Electrochemical, 2-3 years | Electrochemical, 3 years | Electrochemical, 2-3 years | Ultrasonic, >5 years | Electrochemical, 3 years |
| Application | Confined Space, Safety, O2 in Air | Confined Space, Safety, O2 in Air | Headspace, Welding, N2 Leak, Safety, Confined Space | Oxygen Purity from Oxygen Machine | Scuba, Nitrox and Oxygen Machine |
| Special Feature(s) | Best General Purpose | Water-proof IP67, Shock-proof | Built-In Pump, Datalogging, Color Screen | O2, Flow and Pressure Detection | Full O2 Range 0-100% |
