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🚨 Stay ahead of the air you breathe — precision detection that never sleeps!
The FORENSICS Oxygen Detector FD-90A-O2 is a professional-grade, electrochemical sensor device calibrated for 0-30% oxygen levels with 0.1% resolution. It features adjustable sound, light, and vibration alarms, is USB rechargeable, and built to withstand harsh environments with water, dust, and explosion resistance. Certified for UK & USA standards and backed by a 1-year warranty, it’s the trusted choice for safety-conscious professionals.
| ASIN | B07BMNRTDL |
| Alarm | LED, Buzzer & Vibration |
| Best Sellers Rank | 659,867 in DIY & Tools ( See Top 100 in DIY & Tools ) 7,181 in Electrical Tools & Testers |
| Brand | FORENSICS DETECTORS FD |
| Colour | Yellow |
| Country of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 77 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 |
| Number of Items | 1 |
| Operating Humidity | <95%RH |
| Part Number | FD-90A-O2 |
| 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.
This O2 meter came certified /calibrated. I performed a bump test and confirmed the accuracy of the manufacturer's calibration. The meter is easy to operate and recharge the battery. It is surprisingly durable in the field for such an inexpensive meter. We have been using it for 2 years and have had no issues.
T**.
Accurate Oxygen readout
This item is accurate and easy to use. Gives Oxygen level to a tenth of a percent.
L**E
Better than I expected.
Works like a champ. Build quality is actually above what I was expecting... feels quite well built and sturdy.
J**R
Poor customer service so far
Ordered this O2 meter and went through the zero calibration per the small instruction sheet and the procedure resulted in a failed save. Repeated several times to no avail. Sent an email to Sarah at forensicdetectors.com and message was not accepted. Returned the unit to Amazon for a replacement and it arrived with the same issue as the first unit plus the up arrow key did not work. After pressing quite a few times it worked but sometimes it is unresponsive so I am going to return it to Amazon for refund. I am wondering if Forenic Detectors is a very small privately-owned company and does not like dealing with small use customers? I also purchased a CO meter and sample pump and they seem to work fine and the zero calibration procedure works fine. Going back to the O2 meter I used on my oil boiler and got a reading of 5.2 % which is in the range of what it should be but I am not confident it will hold up. One last item; Every time I turn it on the date and time seem to be off.
S**H
As advertised.
Wanted to test foul air in a nursing home where a relative is staying. It proved my point, causing a discussion with management. Easy to use with well implemented features. Recommended.
Trustpilot
2 days ago
4 days ago