--- product_id: 78655902 title: "FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms" brand: "ky hope" price: "₹ 28032" currency: INR in_stock: true category: "Ky Hope" url: https://www.desertcart.in/products/78655902-fs311-nuclear-radiation-detector-tester-multi-function-geiger-counter-radiation store_origin: IN region: India --- # Real-time dosage & cumulative data 3 alarm modes: sound, light, vibration Detects X, γ & hard β rays FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms **Brand:** ky hope **Price:** ₹ 28032 **Availability:** ✅ In Stock ## Summary > ☢️ Stay ahead of radiation risks with precision and style! ## Quick Answers - **What is this?** FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms by ky hope - **How much does it cost?** ₹ 28032 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/78655902-fs311-nuclear-radiation-detector-tester-multi-function-geiger-counter-radiation) ## Best For - ky hope enthusiasts ## Why This Product - Trusted ky hope brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Dose Feedback:** Real-time dosage rate and cumulative exposure displayed per second for proactive radiation management. - • **User-Friendly Interface:** English language display with graphic LCD ensures intuitive operation for professionals on the go. - • **Customizable Safety Alerts:** Set personalized alarm thresholds with sound, light, and vibration modes to never miss critical radiation levels. - • **Data Security & Portability:** Permanent data storage even after power off, housed in a compact 0.3 kg design with low power consumption. - • **Precision Radiation Detection:** Accurately monitors X, gamma, and hard beta rays with ±15% error margin for reliable safety insights. ## Overview The FS311 Nuclear Radiation Detector is a compact, multi-function Geiger counter designed for professional-grade monitoring of X, gamma, and hard beta rays. Featuring real-time dosage measurement, customizable alarms, permanent data storage, and a user-friendly English interface, it ensures reliable radiation safety in diverse environments with rapid alarm response under 5 seconds. ## Description Technical index: 1. Detection ray: X, r and hard B ray 2. Detector: Energy compensation GM pipe (Geiger counting pipe) 3. Measurement scope . a Dosage equivalent rate: 0.01-1000 μSv / h (maximum: 10 mSv / h) . b Accumulative dosage equivalence: 0.01 μ Sv-500.0 mSv 4. Energy scope: 50 keV-1.5 MeV ≤ ± 30% (as for 137 Cs I) 5. Relative innate error: ≤ ± 15% (137 CS 1 mSv / h) 6. Flexibility: 80 CPM / μSv / h (as for C0-60) 7. Alarm valve value: a Dosage rate:. Selection among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0μSv / h at disposal. . b Accumulative dosage: Selection among 0.05, 0.5, 1.0, 1.5, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 m Sv at disposal. 8. Unit of dosage rate: μSv / h, μGy / h, m R / h. 9. Measurement display: The dosage rate is displayed per second; the protection alarm response is less than 5 seconds. 10. Utilization environment: Temperature: - 10 degree-45 degree Relative humidity: ≤ 95% (+ 45 ºC) 11. Power source: Built-in lithium battery with charger 12. Dimension and weight: 0.3 kg; 135 X 70 X 25 mm ## Features - 1. Monitor of X, r and hard B ray. 2. The instrument enjoys a high flexibility and can measure the environmental background. - 3. English operational interface. 4. Real-time measurement and display of dosage rate and accumulative dosage. - 5. Permanent data storage upon power cutoff. 6. Graphic LCD and maximum screen. - 7. Low power consumption and battery under-voltage indication function. 8. The instrument can preset the alarm valve value of dosage rate and accumulative dosage. - 9. Three selective alarm modes: sound, light and vibration. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071K623QS | | Date First Available | June 12, 2017 | | Is Discontinued By Manufacturer | No | | Manufacturer | KY HOPE | ## Images ![FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms - Image 1](https://m.media-amazon.com/images/I/515ZrfHiFAL.jpg) ![FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms - Image 2](https://m.media-amazon.com/images/I/51h3Dvw1QCL.jpg) ![FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms - Image 3](https://m.media-amazon.com/images/I/413hPl+llzL.jpg) ![FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms - Image 4](https://m.media-amazon.com/images/I/41-n2s3z9aL.jpg) ![FS311 Nuclear Radiation Detector Tester Multi-Function Geiger Counter Radiation x-ray Tester and Alarms - Image 5](https://m.media-amazon.com/images/I/51t5K2GCDbL.jpg) --- ## 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.in/products/78655902-fs311-nuclear-radiation-detector-tester-multi-function-geiger-counter-radiation](https://www.desertcart.in/products/78655902-fs311-nuclear-radiation-detector-tester-multi-function-geiger-counter-radiation) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-07*