--- product_id: 185148472 title: "Gems Sensors FS-600 Series Stainless Steel 316 Flow Switch, Straight, Thermal Dispersion, 4.34 gpm Flow Setting, 1\" NPT Female" brand: "gems sensors" price: "4131.90 DT" currency: TND in_stock: true reviews_count: 2 url: https://www.desertcart.tn/products/185148472-gems-sensors-fs-600-series-stainless-steel-316-flow-switch store_origin: TN region: Tunisia --- # SPST switch with precise electrical specs 4.34 gpm flow setting for accurate monitoring 316 Stainless Steel durability Gems Sensors FS-600 Series Stainless Steel 316 Flow Switch, Straight, Thermal Dispersion, 4.34 gpm Flow Setting, 1" NPT Female **Brand:** gems sensors **Price:** 4131.90 DT **Availability:** ✅ In Stock ## Summary > 💧 Flow with confidence — precision meets power in every drop! ## Quick Answers - **What is this?** Gems Sensors FS-600 Series Stainless Steel 316 Flow Switch, Straight, Thermal Dispersion, 4.34 gpm Flow Setting, 1" NPT Female by gems sensors - **How much does it cost?** 4131.90 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/185148472-gems-sensors-fs-600-series-stainless-steel-316-flow-switch) ## Best For - gems sensors enthusiasts ## Why This Product - Trusted gems sensors brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Equipped with a standardized 1" NPT female connection and M12 x 1 (4-pin) electrical termination for easy installation. - • **Minimal Flow Variation:** Maximum set point differential of 0.2 guarantees high sensitivity and quick response to flow changes. - • **Precision Flow Control:** Calibrated at 4.34 gpm to ensure reliable and consistent flow detection in critical systems. - • **Industrial-Grade Durability:** Crafted from premium 316 stainless steel for unmatched corrosion resistance and longevity. - • **Reliable Electrical Performance:** SPST switch rated for 30 VAC @ 45 mA and 42 VDC @ 65 mA ensures stable and safe operation. ## Overview The Gems Sensors FS-600 Series Flow Switch combines rugged 316 stainless steel construction with precise thermal dispersion technology, delivering reliable flow detection at 4.34 gpm. Designed for professional-grade applications, it features a 1" NPT female connection and a robust SPST switch with exacting electrical ratings, ensuring seamless integration and dependable performance in demanding environments. ## Description FS-600 Series - No Moving Part, Thermal Dispersion Flow Switch. The FS-600 series uses proven thermal dispersion technology to provide a robust no moving part flow switch even without filtration. The solid state sensor is compatible with both conductive and non-conductive fluids. Suitable for fluids with particulates or slurries, and is immune to changes in media viscosity. The straight through switch is designed for a long life and can be mounted in any orientation and can handle a wide range of flow rates. No moving parts means years of reliable service. ## Features - Wetted Materials: 316 Stainless Steel, 303 Stainless Steel - Electrical Termination: M12 x 1 (4-Pin) (1meter cable included - Switch Type: SPST (30 VAC @ 45 ma, 42 VDC @ 65 ma) - Set Point Differential (Maximum): 0.2 - Recommended Filtration: N/A ## Images ![Gems Sensors FS-600 Series Stainless Steel 316 Flow Switch, Straight, Thermal Dispersion, 4.34 gpm Flow Setting, 1" NPT Female - Image 1](https://m.media-amazon.com/images/I/81zyLDnS2IL.jpg) ![Gems Sensors FS-600 Series Stainless Steel 316 Flow Switch, Straight, Thermal Dispersion, 4.34 gpm Flow Setting, 1" NPT Female - Image 2](https://m.media-amazon.com/images/I/81TN9nN5T7L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works correctly and reliably *by A***A on September 10, 2019* Great construction, easy to install, basically plug-and-play once I figured out the wiring. Contacted the manufacturer once to clarify the specs and they were very helpful. ### ⭐ great build but it doesn't work directly with 24VAC contactor *by F***T on January 4, 2015* great build but it doesn't work directly with 24VAC contactor. i tried it and hang up it changes from always open to always close switch. may this situation can be corrected by used intermediate 46 ma Relay --- ## 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.tn/products/185148472-gems-sensors-fs-600-series-stainless-steel-316-flow-switch](https://www.desertcart.tn/products/185148472-gems-sensors-fs-600-series-stainless-steel-316-flow-switch) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-01*