--- product_id: 55942093 title: "SR-X2V - 4OXV Oxygen (O2) Sensor" brand: "bw" price: "€ 104.29" currency: EUR in_stock: true reviews_count: 10 category: "Bw" url: https://www.desertcart.fr/products/55942093-sr-x2v-4oxv-oxygen-o2-sensor store_origin: FR region: France --- # 2-year sensor lifespan ±1-2% measurement accuracy Up to 125°C operating temp SR-X2V - 4OXV Oxygen (O2) Sensor **Brand:** bw **Price:** € 104.29 **Availability:** ✅ In Stock ## Summary > 🌬️ Stay ahead of the air you breathe — precision sensing that never quits! ## Quick Answers - **What is this?** SR-X2V - 4OXV Oxygen (O2) Sensor by bw - **How much does it cost?** € 104.29 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/55942093-sr-x2v-4oxv-oxygen-o2-sensor) ## Best For - bw enthusiasts ## Why This Product - Trusted bw brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Enjoy a reliable 2-year sensor lifespan, minimizing downtime and replacement hassle. - • **Compact & Lightweight:** At under 1 ounce and wall-mountable, it fits discreetly without disrupting your workflow. - • **Seamless Compatibility:** Designed specifically for BW GasAlert MicroClip XL and XT series for effortless integration. - • **Precision You Can Trust:** Achieve pinpoint oxygen readings with ±1-2% accuracy for critical safety decisions. - • **Heat-Resistant Performance:** Operates flawlessly in environments up to 125°C, perfect for demanding industrial settings. ## Overview The BW SR-X2V - 4OXV Oxygen Sensor is a high-precision digital sensor designed for BW GasAlert MicroClip XL and XT gas monitors. It delivers accurate oxygen level readings within ±1-2% across a 0-25% volume range, operates reliably up to 125°C, and offers a 2-year active lifespan. Lightweight and wall-mountable, it ensures seamless, long-lasting performance in professional safety monitoring. ## Description Brand New CiTiceL BW Oxygen Sensor SR-X2V 40XV Note: The graphic of this sensor is an example only and sensor cap/body colour may vary depending upon gas sensor type ordered or manufacturing modification. Review: Fits and works fine - It fits and works. Careful as the great price might be due to brokers buying up sensors from suppliers that are near expiration. Let's see how long it lasts. ==== Copy paste from Google: The oxygen (O2) sensor in a Honeywell BW Gasalert Microclip XL typically has a lifespan of two years from activation, according to BW Gas Monitors. The O2 sensor's shelf life is 6 months. === So mine is now active on 15 May 2025 and we will see if it stayed calibrated for 2 years. Review: Great for my BW meter - Great replacement sensors for our BW meters. Affordable Oxygen sensors for sure. ## Features - GasAlertMicroClip XL - GasAlert MicroClip XT - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions - GasAlertMax XT II ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00MX5ZC3A | | Best Sellers Rank | #45,133 in Automotive ( See Top 100 in Automotive ) #68 in Automotive Replacement Oxygen Sensors | | Brand | BW | | Date First Available | December 11, 2017 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.95 ounces | | Item model number | SR-X2V - 4OXV | | Manufacturer | City | | Measurement Accuracy | ±1-2% | | Measuring Range | 0-25% volume in air | | Mounting Type | Wall Mount | | Output Type | Digital | | Package Dimensions | 5.75 x 1.9 x 1.7 inches | | Sensing Distance | 5 Centimeters | | Specific Uses For Product | Oxygen Sensor | | Style | O2 | | Upper Temperature Rating | 125 Degrees Celsius | ## Product Details - **Brand:** BW - **Item Weight:** 0.03 Kilograms - **Measurement Accuracy:** ±1-2% - **Measuring Range:** 0-25% volume in air - **Style:** O2 ## Images ![SR-X2V - 4OXV Oxygen (O2) Sensor - Image 1](https://m.media-amazon.com/images/I/51wt9fXkrmL.jpg) ## Questions & Answers **Q: does this work like a smoke alarm?** A: No, it replaces a sensor in a 4 gas monitor that monitors the H2S, CO, LELs and 02 level in air, however if you want to buy it as a portable $650.00 smoke alarm it would work but not as well as the standard smoke alarms **Q: will this replace a 40xv citicel aay80-390?** A: Yes, it is. **Q: I need three sensors. the ones that need replaced are city technology 5nf, 5fo, and a5f (co, no, and o2). can you supply these?** A: Yes, we do have them in stock, 5NO, 5FO and A5f sensors. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fits and works fine *by G***M on May 15, 2025* It fits and works. Careful as the great price might be due to brokers buying up sensors from suppliers that are near expiration. Let's see how long it lasts. ==== Copy paste from Google: The oxygen (O2) sensor in a Honeywell BW Gasalert Microclip XL typically has a lifespan of two years from activation, according to BW Gas Monitors. The O2 sensor's shelf life is 6 months. === So mine is now active on 15 May 2025 and we will see if it stayed calibrated for 2 years. ### ⭐⭐⭐⭐⭐ Great for my BW meter *by D***K on December 31, 2025* Great replacement sensors for our BW meters. Affordable Oxygen sensors for sure. ### ⭐⭐⭐⭐⭐ Worked as expected *by G***S on March 28, 2024* They arrive in a double insulated container. Very impressed with what it comes in. Works as advertised. Easy to install. ## Frequently Bought Together - BW SR-X2V - 4OXV Oxygen (O2) Sensor - BW Technologies SR-W-MP75C Replacement MICROpeL Combustible (LEL) Sensor, 0 to 100 Percent LEL Measuring Range - BW Technologies SR-H-MC Replacement MICROceL Sensor, Hydrogen Sulfide H2S, 0 to 200 ppm Measuring Range --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/55942093-sr-x2v-4oxv-oxygen-o2-sensor](https://www.desertcart.fr/products/55942093-sr-x2v-4oxv-oxygen-o2-sensor) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-05-07*