{"product_id":"lujun-ljrd-2401-portable-nuclear-radiation-detector","title":"Lujun Portable Nuclear Radiation Detector | LJRD 2401","description":"\u003cp data-start=\"303\" data-end=\"804\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"307\" data-end=\"362\"\u003eLujun LJRD-2401 Portable Nuclear Radiation Detector\u003c\/strong\u003e is a compact handheld instrument designed for fast monitoring of \u003cstrong data-start=\"428\" data-end=\"463\"\u003eX-ray, beta and gamma radiation\u003c\/strong\u003e. It begins measuring immediately after power-on without requiring a lengthy preheating process, making it practical for routine radiation surveys, workplace inspections and personal safety monitoring. Lujun lists the LJRD-2401 as a portable Geiger-counter radiation detector using a Geiger tube sensor. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"806\" data-end=\"1135\"\u003eThe detector features a clear \u003cstrong data-start=\"836\" data-end=\"853\"\u003eHD LCD screen\u003c\/strong\u003e that displays the current radiation dose rate, accumulated dose, time and remaining battery power. Simple physical buttons make the instrument easy to operate in the field, while Chinese and English language switching supports different users. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1137\" data-end=\"1428\"\u003eFor safety, the LJRD-2401 provides a \u003cstrong data-start=\"1174\" data-end=\"1232\"\u003ethree-way alarm system with sound, light and vibration\u003c\/strong\u003e. When radiation exceeds the configured safety threshold, the detector immediately warns the user through multiple alarm methods, helping ensure that elevated radiation levels are noticed quickly.\u003c\/p\u003e\n\u003cp data-start=\"1430\" data-end=\"1724\"\u003eThe detector measures dose rates from \u003cstrong data-start=\"1468\" data-end=\"1503\"\u003e0.00 to 10000 μSv\/h or 10 mSv\/h\u003c\/strong\u003e, while cumulative dose measurement extends from \u003cstrong data-start=\"1552\" data-end=\"1577\"\u003e0.00 μSv to 500.0 mSv\u003c\/strong\u003e. These specifications make the instrument suitable for general radiation monitoring and survey applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1726\" data-end=\"2066\"\u003eA built-in \u003cstrong data-start=\"1737\" data-end=\"1782\"\u003e2800 mAh rechargeable lithium-ion battery\u003c\/strong\u003e provides up to approximately 18 hours of continuous operation according to the supplied product sheet, with charging completed within four hours. The compact handheld housing makes it convenient for technicians, inspectors and safety personnel who need portable radiation monitoring.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"2068\" data-end=\"2080\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"2082\" data-end=\"3276\"\u003e\n\u003cli data-section-id=\"rfk5w\" data-start=\"2082\" data-end=\"2163\"\u003e\u003cstrong data-start=\"2084\" data-end=\"2110\"\u003eImmediate Measurement:\u003c\/strong\u003e Starts radiation monitoring directly after power-on.\u003c\/li\u003e\n\u003cli data-section-id=\"1h3n295\" data-start=\"2164\" data-end=\"2284\"\u003e\u003cstrong data-start=\"2166\" data-end=\"2193\"\u003eX Beta Gamma Detection:\u003c\/strong\u003e Designed to monitor X-ray, beta and gamma radiation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"l2mdb7\" data-start=\"2285\" data-end=\"2395\"\u003e\u003cstrong data-start=\"2287\" data-end=\"2313\"\u003eGeiger Counter Sensor:\u003c\/strong\u003e Uses a Geiger tube for radiation detection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1dz9q6q\" data-start=\"2396\" data-end=\"2484\"\u003e\u003cstrong data-start=\"2398\" data-end=\"2422\"\u003eTriple Alarm System:\u003c\/strong\u003e Sound, light and vibration warnings when limits are exceeded.\u003c\/li\u003e\n\u003cli data-section-id=\"1ga0oul\" data-start=\"2485\" data-end=\"2569\"\u003e\u003cstrong data-start=\"2487\" data-end=\"2509\"\u003eClear LCD Display:\u003c\/strong\u003e Shows radiation value, time and battery level in real time.\u003c\/li\u003e\n\u003cli data-section-id=\"105g8s4\" data-start=\"2570\" data-end=\"2632\"\u003e\u003cstrong data-start=\"2572\" data-end=\"2597\"\u003eWide Dose Rate Range:\u003c\/strong\u003e Measures from 0.00 to 10000 μSv\/h.\u003c\/li\u003e\n\u003cli data-section-id=\"1tzefox\" data-start=\"2633\" data-end=\"2713\"\u003e\u003cstrong data-start=\"2635\" data-end=\"2666\"\u003eCumulative Dose Monitoring:\u003c\/strong\u003e Measures accumulated exposure up to 500.0 mSv.\u003c\/li\u003e\n\u003cli data-section-id=\"17lhy5o\" data-start=\"2714\" data-end=\"2799\"\u003e\u003cstrong data-start=\"2716\" data-end=\"2747\"\u003eMultiple Acquisition Modes:\u003c\/strong\u003e Supports different measurement modes for field use.\u003c\/li\u003e\n\u003cli data-section-id=\"i83gu0\" data-start=\"2800\" data-end=\"2918\"\u003e\u003cstrong data-start=\"2802\" data-end=\"2823\"\u003e2800 mAh Battery:\u003c\/strong\u003e Rechargeable lithium-ion battery for portable operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"d9gyou\" data-start=\"2919\" data-end=\"3012\"\u003e\u003cstrong data-start=\"2921\" data-end=\"2939\"\u003eFast Charging:\u003c\/strong\u003e Charging time of up to four hours. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"4eid03\" data-start=\"3013\" data-end=\"3117\"\u003e\u003cstrong data-start=\"3015\" data-end=\"3039\"\u003eBilingual Interface:\u003c\/strong\u003e Supports Chinese and English switching. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"csyywg\" data-start=\"3118\" data-end=\"3192\"\u003e\u003cstrong data-start=\"3120\" data-end=\"3141\"\u003ePhysical Buttons:\u003c\/strong\u003e Three-button layout for straightforward operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1vwdsy0\" data-start=\"3193\" data-end=\"3276\"\u003e\u003cstrong data-start=\"3195\" data-end=\"3215\"\u003ePortable Design:\u003c\/strong\u003e Compact handheld body suitable for mobile radiation surveys.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"3278\" data-end=\"3296\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3298\" data-end=\"4049\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3298\" data-end=\"3325\"\u003e\n\u003ctr data-start=\"3298\" data-end=\"3325\"\u003e\n\u003cth data-start=\"3298\" data-end=\"3314\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3314\" data-end=\"3325\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3336\" data-end=\"4049\"\u003e\n\u003ctr data-start=\"3336\" data-end=\"3353\"\u003e\n\u003ctd data-start=\"3336\" data-end=\"3344\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3344\" data-end=\"3353\" data-col-size=\"md\"\u003eLujun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3354\" data-end=\"3375\"\u003e\n\u003ctd data-start=\"3354\" data-end=\"3362\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"3362\" data-end=\"3375\" data-col-size=\"md\"\u003eLJRD-2401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3376\" data-end=\"3430\"\u003e\n\u003ctd data-start=\"3376\" data-end=\"3391\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"3391\" data-end=\"3430\" data-col-size=\"md\"\u003ePortable Nuclear Radiation Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3431\" data-end=\"3465\"\u003e\n\u003ctd data-start=\"3431\" data-end=\"3447\" data-col-size=\"sm\"\u003eDetector Type\u003c\/td\u003e\n\u003ctd data-start=\"3447\" data-end=\"3465\" data-col-size=\"md\"\u003eGeiger Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3466\" data-end=\"3490\"\u003e\n\u003ctd data-start=\"3466\" data-end=\"3475\" data-col-size=\"sm\"\u003eSensor\u003c\/td\u003e\n\u003ctd data-start=\"3475\" data-end=\"3490\" data-col-size=\"md\"\u003eGeiger Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3491\" data-end=\"3529\"\u003e\n\u003ctd data-start=\"3491\" data-end=\"3509\" data-col-size=\"sm\"\u003eRadiation Types\u003c\/td\u003e\n\u003ctd data-start=\"3509\" data-end=\"3529\" data-col-size=\"md\"\u003eX Ray Beta Gamma\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3530\" data-end=\"3571\"\u003e\n\u003ctd data-start=\"3530\" data-end=\"3548\" data-col-size=\"sm\"\u003eDose Rate Range\u003c\/td\u003e\n\u003ctd data-start=\"3548\" data-end=\"3571\" data-col-size=\"md\"\u003e0.00 to 10000 μSv\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3572\" data-end=\"3604\"\u003e\n\u003ctd data-start=\"3572\" data-end=\"3592\" data-col-size=\"sm\"\u003eMaximum Dose Rate\u003c\/td\u003e\n\u003ctd data-start=\"3592\" data-end=\"3604\" data-col-size=\"md\"\u003e10 mSv\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3605\" data-end=\"3654\"\u003e\n\u003ctd data-start=\"3605\" data-end=\"3629\" data-col-size=\"sm\"\u003eCumulative Dose Range\u003c\/td\u003e\n\u003ctd data-start=\"3629\" data-end=\"3654\" data-col-size=\"md\"\u003e0.00 μSv to 500.0 mSv\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3655\" data-end=\"3675\"\u003e\n\u003ctd data-start=\"3655\" data-end=\"3665\" data-col-size=\"sm\"\u003eDisplay\u003c\/td\u003e\n\u003ctd data-start=\"3665\" data-end=\"3675\" data-col-size=\"md\"\u003eHD LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3676\" data-end=\"3714\"\u003e\n\u003ctd data-start=\"3676\" data-end=\"3689\" data-col-size=\"sm\"\u003eAlarm Type\u003c\/td\u003e\n\u003ctd data-start=\"3689\" data-end=\"3714\" data-col-size=\"md\"\u003eSound Light Vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3715\" data-end=\"3753\"\u003e\n\u003ctd data-start=\"3715\" data-end=\"3725\" data-col-size=\"sm\"\u003eBattery\u003c\/td\u003e\n\u003ctd data-start=\"3725\" data-end=\"3753\" data-col-size=\"md\"\u003eRechargeable Lithium Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3754\" data-end=\"3785\"\u003e\n\u003ctd data-start=\"3754\" data-end=\"3773\" data-col-size=\"sm\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd data-start=\"3773\" data-end=\"3785\" data-col-size=\"md\"\u003e2800 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3786\" data-end=\"3813\"\u003e\n\u003ctd data-start=\"3786\" data-end=\"3804\" data-col-size=\"sm\"\u003eBattery Voltage\u003c\/td\u003e\n\u003ctd data-start=\"3804\" data-end=\"3813\" data-col-size=\"md\"\u003e3.7 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3814\" data-end=\"3896\"\u003e\n\u003ctd data-start=\"3814\" data-end=\"3840\" data-col-size=\"sm\"\u003eContinuous Working Time\u003c\/td\u003e\n\u003ctd data-start=\"3840\" data-end=\"3896\" data-col-size=\"md\"\u003eApprox. 18 Hours according to supplied product sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3897\" data-end=\"3925\"\u003e\n\u003ctd data-start=\"3897\" data-end=\"3913\" data-col-size=\"sm\"\u003eCharging Time\u003c\/td\u003e\n\u003ctd data-start=\"3913\" data-end=\"3925\" data-col-size=\"md\"\u003e≤4 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3926\" data-end=\"3967\"\u003e\n\u003ctd data-start=\"3926\" data-end=\"3948\" data-col-size=\"sm\"\u003eInterface Languages\u003c\/td\u003e\n\u003ctd data-start=\"3948\" data-end=\"3967\" data-col-size=\"md\"\u003eChinese English\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3968\" data-end=\"4000\"\u003e\n\u003ctd data-start=\"3968\" data-end=\"3978\" data-col-size=\"sm\"\u003eControl\u003c\/td\u003e\n\u003ctd data-start=\"3978\" data-end=\"4000\" data-col-size=\"md\"\u003e3 Physical Buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4001\" data-end=\"4049\"\u003e\n\u003ctd data-start=\"4001\" data-end=\"4021\" data-col-size=\"sm\"\u003eMeasurement Start\u003c\/td\u003e\n\u003ctd data-start=\"4021\" data-end=\"4049\" data-col-size=\"md\"\u003eImmediate After Power On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yaoan","offers":[{"title":"Default Title","offer_id":45150173331656,"sku":"LJRD-2401","price":0.0,"currency_code":"IQD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/9761\/7864\/files\/ChatGPTImageJul25_2026_11_11_07PM.png?v=1785010292","url":"https:\/\/toolmart.me\/en\/products\/lujun-ljrd-2401-portable-nuclear-radiation-detector","provider":"TOOLMART","version":"1.0","type":"link"}