--- product_id: 153277706 title: "FD-4S-Flue" brand: "forensics detectors fd" price: "₱65340" currency: PHP in_stock: true reviews_count: 5 category: "Forensics Detectors Fd" url: https://www.desertcart.ph/products/153277706-fd-4s-flue store_origin: PH region: Philippines --- # Color screen with graphing & alarm logging High-precision sensors with ≤±5% detection error Waterproof, dust-proof & explosion-proof robust design FD-4S-Flue **Brand:** forensics detectors fd **Price:** ₱65340 **Availability:** ✅ In Stock ## Summary > 🔥 Master your air quality game with precision and power! ⚡ ## Quick Answers - **What is this?** FD-4S-Flue by forensics detectors fd - **How much does it cost?** ₱65340 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/153277706-fd-4s-flue) ## 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:** Rugged ABS body with anti-slip grip, waterproof and explosion-proof—ready for any residential environment. - • **User Empowerment:** Full zero and span calibration options plus strong magnet mounting for effortless, professional use. - • **Smart Visual Insights:** Vibrant color display with real-time graphing and alarm logging keeps you ahead of any combustion issues. - • **Precision You Can Trust:** Factory calibrated with USA NIST certification and ≤±5% detection error for reliable combustion analysis. - • **Comprehensive Filtration:** Includes water trap, particle filter, and NOx filter to minimize cross-sensitivity and ensure accurate readings. ## Overview The Residential FD-4S-Flue is a professional-grade flue gas analyzer designed for residential combustion and ambient air quality analysis. Featuring high-accuracy O2 and CO sensors with factory calibration, a vibrant color display with graphing and alarm logging, and robust waterproof, dust-proof, and explosion-proof construction. It includes advanced filtration systems and user calibration options, backed by a 1-year warranty and USA NIST certification, making it the ultimate tool for efficient, reliable combustion diagnostics. ## Description Shop Flue Gas Analyser | CO, O2, COAF & EA | Water Trap, Particle & NOx Filters | Color Display, Graphing, Data Logging | UK USA Calibration Certificate | FD-4S-FLUE. Free delivery on eligible orders of £20 or more. Review: Works as advertised. Has all the options I needed to check the furnace efficiency and exhaust output. Tool is very simple to set up and use . Definitely worth the money . Review: Hilfreiches Messgerät. Überrascht hat mich, dass ich eine Nachverrechnung vom Zoll bzw. von der Spedition erhalten habe. ## Features - 🕵️ TRUST: ** 1 year limited warranty ** Arrives with calibration and QA certificate ** 100% product test and verification in the USA ** - 🌇 FEATURES: Color screen, graphing and alarm logging. Includes hardcase, water trap, particle filter and NOx filter to reduce cross sensitivity errors. - 🔬 SENSORS: High quality sensors with Oxygen (O2) and Carbon Monoxide (CO). Calculates COAF (CO air free) and excess air (EA) for combustion analysis. Comes factory calibrated. Detection error better than ≤±5% F.S. and response time: T<60s. Zero and span calibration options for user full control. - 💪 STRONG: Robust design with ABS and Anti-slip grip rubber. Comes with strong magnet for appliance mounting. Waterproof, dust-proof and explosion-proof. - ⚛️ RESIDENTIAL: For residential combustion analysis & ambient air quality analysis or probe sampling / continuous sampling in confined or toxic spaces. USA NIST Calibration. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07QNFZ3X8 | | Batteries | 2 Lithium Ion batteries required. (included) | | Batteries Required? | Yes | | Batteries included? | Yes | | Battery Cell Type | Lithium Ion | | Best Sellers Rank | 1,139,813 in DIY & Tools ( See Top 100 in DIY & Tools ) 578 in Gas Detectors | | Colour | Yellow | | Customer Reviews | 4.0 4.0 out of 5 stars (15) | | Date First Available | 1 April 2019 | | Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. | | Item Weight | 499 g | | Item model number | FD-4S-FLUE | | Manufacturer | Forensics Detectors | | Part Number | FD-4S-FLUE | | Power Source | Battery Powered | | Product Dimensions | 13 x 6.7 x 3 cm; 498.95 g | | Style | English | ## Product Details - **Alarm:** Audible - **Brand:** FORENSICS DETECTORS FD - **Colour:** Yellow - **Item weight:** 499 g - **Manufacturer:** Forensics Detectors - **Operating humidity:** 0-95 percent - **Power source:** Battery Powered - **Sensor type:** Electrochemical - **Style:** English ## Images ![FD-4S-Flue - Image 1](https://m.media-amazon.com/images/I/813xtvYZtgL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***E on 11 January 2026* Works as advertised. Has all the options I needed to check the furnace efficiency and exhaust output. Tool is very simple to set up and use . Definitely worth the money . ### ⭐⭐⭐⭐ Review *by G***R on 2 January 2022* Hilfreiches Messgerät. Überrascht hat mich, dass ich eine Nachverrechnung vom Zoll bzw. von der Spedition erhalten habe. ### ⭐⭐⭐⭐⭐ Review *by B***T on 3 December 2025* Works as advertised. Simple to operate gives all the necessary information needed to check burner function ## Frequently Bought Together - Residential Combustion Analyzer by Forensics | Flue Gas Analyzer | CO, O2, COAF & EA | Water Trap, Particle & NOx Filters | Color Display, Graphing, Data Logging | USA NIST Calibration | - Klein Tools ET120 Combustible Gas Leak Detector, Black and Orange, One Size --- ## 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.ph/products/153277706-fd-4s-flue](https://www.desertcart.ph/products/153277706-fd-4s-flue) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-06-01*