Oxygen Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |

Price: $159.45
(as of Mar 10, 2026 20:38:40 UTC – Details)

Product description

Oxygen Detector

Forensics Detectors offers sensitive Oxygen Detectors & Analyzers. Verify oxygen (O2) purity for air quality, veterinary incubator, confined space, personal safety, displaced oxygen, nitrogen flush, tanks, silos, inert leaks, and welding.

Oxygen Detector

Very Easy To Use

The professional OXYGEN gas detector by FORENSICS has all the advanced features and functions, made with the highest quality electrochemical sensors.

Oxygen Detector

Perfect for R&D, life science biotech research, personal protection, ambient air measurements, and industrial oxygen deficiency PPE. Not to be used as a continuous indoor monitor. Comes factory-calibrated.

USA NIST Traceable Source Calibration

Have the highest confidence in your gas detection accuracy. Possible only with best calibration practices to USA NIST Traceable Sources. Calibration of this oxygen detector is performed in the Forensics Detectors laboratory, located in Los Angeles, California, USA.

Included Oxygen Detector USB Charging Cable User Manual USA Based Operations Stainless Steel Belt Clip Calibration Cap & Sling USA NIST Calibration Document

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.2 out of 5 stars 84

3.2 out of 5 stars 13

5.0 out of 5 stars 3

—

4.0 out of 5 stars 116

Price

$159.45$159.45 $159.45$159.45
— no data

— no data
$199.45$199.45

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 <30 seconds <30 seconds <30 seconds

Rechargeable

✓
no data

✓

✓
no data

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%

Technical Specifications

Gas Detected Oxygen (O2) Detection Range 0 – 30% with 0.1% resolution Response Time < 30 sec Accuracy ≤ ± 5% F.S Battery DC 3.7V Li-battery 1500 mAh Operating Temperature 0°F – 122°F Operating Humidity < 95 %RH Gas Sensor Life 2 – 3 years Working Battery Time > 24 hours Explosion Rating ATEX certified Ex ib IIC T4 Gb Dimensions 4.3 x 2.3 x 1.7 inches Calibration Standard USA NIST Traceable Gas Source Recommended Calibration Period 12 months Alarm Indication of alarm, fault, and low voltage with LED, sound, and vibration Gas Sensor Type Electrochemical Gas Sensor Calibration Location Los Angeles, California, USA

🔬 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 **