






🚨 Stay ahead of the air you breathe — precision detection that never sleeps!
The FORENSICS Oxygen Detector FD-90A-O2 offers professional-grade oxygen monitoring with an electrochemical nano-gas sensor delivering 0.1% resolution across a 0-30% range. Equipped with customizable sound, light, and vibration alarms, it ensures immediate alerts in critical situations. Certified with UK & USA calibration certificates and backed by a 1-year warranty, this water-resistant, dustproof, and explosion-proof device is USB rechargeable for continuous, reliable use in demanding environments.










| ASIN | B07BMNRTDL |
| Alarm | LED, Buzzer & Vibration |
| Best Sellers Rank | 549,635 in DIY & Tools ( See Top 100 in DIY & Tools ) 6,245 in Electrical Tools & Testers |
| Brand | FORENSICS DETECTORS FD |
| Colour | Yellow |
| Customer Reviews | 4.3 out of 5 stars 74 Reviews |
| Included Components | Gas Detector, USB Recharge Cable, Sling, User Manual, Calibration Cap and Calibration Certificate |
| Item Dimensions D x W x H | 4.3D x 5.8W x 11H centimetres |
| Item Weight | 227 g |
| Item weight | 227 g |
| Manufacturer | Forensics Detectors |
| Manufacturer Warranty Description | 1 year manufacturer. |
| Material | ABS |
| Model Number | FD-90A-O2 |
| Operating Humidity | <95%RH |
| Power source | Battery Powered |
| Product Style | Modern |
| Product dimensions | 4.3D x 5.8W x 11H centimetres |
| Sensor Type | Electrochemical |
| Style | Modern |
| Unit Count | 1.0 count |
J**Y
The meter is a good value for cost.
T**.
Accurate Oxygen readout
S**H
As advertised.
J**R
Poor customer service so far
I**.
not easy to use
Trustpilot
3 days ago
2 weeks ago