---
product_id: 93763356
title: "FD-90A-O2"
brand: "forensics detectors fd"
price: "€ 331.25"
currency: EUR
in_stock: true
category: "Forensics Detectors Fd"
url: https://www.desertcart.nl/products/93763356-fd-90a-o2
store_origin: NL
region: Netherlands
---

# USB rechargeable battery for hassle-free power Triple alert system: sound, light & vibration alarms Electrochemical NANO-GAS sensor for pinpoint accuracy FD-90A-O2

**Brand:** forensics detectors fd
**Price:** € 331.25
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay Ahead of Danger with Precision Oxygen Detection!

## Quick Answers

- **What is this?** FD-90A-O2 by forensics detectors fd
- **How much does it cost?** € 331.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/93763356-fd-90a-o2)

## Best For

- forensics detectors fd enthusiasts

## Why This Product

- Trusted forensics detectors fd brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Water-resistant, dustproof, and explosion-proof design for rugged environments
- • **Plug & Play Power:** USB recharge capability means no downtime, just continuous protection
- • **Triple-Mode Alerts:** Adjustable audio, visual, and vibration alarms keep you instantly informed
- • **Certified & Calibrated:** Comes with UK & USA calibration certificates for guaranteed reliability
- • **Precision You Can Trust:** 0-30% O2 detection with 0.1% resolution ensures exact readings every time

## Overview

The FORENSICS Oxygen Detector combines cutting-edge electrochemical NANO-GAS sensor technology with certified UK & USA calibration, delivering ultra-precise oxygen level readings from 0 to 30% with 0.1% resolution. Featuring adjustable sound, light, and vibration alarms, this rugged, water-resistant, dustproof, and explosion-proof device ensures reliable safety monitoring in any environment. USB rechargeable and backed by a 1-year warranty, it’s the professional’s choice for dependable, on-the-go oxygen detection.

## Description

Free delivery and returns on all eligible orders. Shop Oxygen Detector by FORENSICS | UK & USA Calibration Certificate | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |.

## Features

- 🚀 SENSITIVE: Oxygen (O2) gas detector with 0 - 30% and 0.1 % resolution.
- ⚛️ DETECT: Electrochemical NANO-GAS sensor. Comes CALIBRATED with signed CERTIFICATE.
- 🎆 ALARMS: Adjustable audio, visual, and vibration alarms.
- 💪 STRONG: Water-resistant, dustproof, and explosion-proof.
- 🕵️ TRUST: ** 1 Year warranty ** Test and Calibrated in EUROPE ** 100% quality guaranteed **

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BMNRTDL |
| Alarm | LED, Buzzer & Vibration |
| Best Sellers Rank | 393,904 in DIY & Tools ( See Top 100 in DIY & Tools ) 4,161 in Electrical Tools & Testers |
| Brand | FORENSICS DETECTORS FD |
| Colour | Yellow |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (75) |
| 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 | 0.5 Pounds |
| 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 |
| Sensor Type | Electrochemical |
| Unit Count | 1.0 count |

## Product Details

- **Alarm:** LED, Buzzer & Vibration
- **Brand:** FORENSICS DETECTORS FD
- **Colour:** Yellow
- **Item weight:** 0.5 Pounds
- **Material:** ABS
- **Operating humidity:** <95%RH
- **Power source:** Battery Powered
- **Product dimensions:** 4.3D x 5.8W x 11H centimetres
- **Sensor type:** Electrochemical
- **Style:** Modern

## Images

![FD-90A-O2 - Image 1](https://m.media-amazon.com/images/I/71jcV3AHBuL.jpg)
![FD-90A-O2 - Image 2](https://m.media-amazon.com/images/I/81eHsGNBFNL.jpg)
![FD-90A-O2 - Image 3](https://m.media-amazon.com/images/I/81t0GlSQymL.jpg)
![FD-90A-O2 - Image 4](https://m.media-amazon.com/images/I/61+1j18yezL.jpg)
![FD-90A-O2 - Image 5](https://m.media-amazon.com/images/I/61I4YEZrQ3L.jpg)

## Questions & Answers

**Q: Can this be used to analyze O2 in a scuba cylinder?**
A: The detector reads up to 30% O2. If your cylinder contains compressed air, then YES. If it contains enriched O2 higher then 30%, then NO.

**Q: Does this measure carbon dioxide levels as ppm?  I've read that 250-400ppm is outdoor air so how does this measure that?**
A: It measures oxygen, not carbon dioxide.

**Q: Does this come with a charger or only a usb cable?**
A: Only USB cable. If you want a charger also, we would be happy to send you one for free. (Most customers have USB chargers lying around). Please email us forensicsdetectors@gmail.com after your purchase.

**Q: What will this meter display when Oxygen concentration rises above 30%?  And can it be user calibrated?**
A: If above 30% it just reads 30%.
Yes, the user can calibrate it. It is very easy we have Youtube videos on how to do this. Thank you.

## Frequently Bought Together

- Oxygen Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |
- Gas Sampling Pump by Forensics | Stainless Steel Probe | Made for Gas Detectors & Meters | Flow Rate: 0.5LPM, 500cc/min | Strong ABS | USB Recharge |

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**Shop now:** [https://www.desertcart.nl/products/93763356-fd-90a-o2](https://www.desertcart.nl/products/93763356-fd-90a-o2)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-05-02*