{"product_id":"dahua-sesmic-detector-ard421","title":"Dahua Sesmic Detector ARD421","description":"\u003cstyle\u003e\n.dahua-product *{\n    font-family: Arial, sans-serif;\n}\n\n.dahua-product{\n    color:#444;\n}\n\n\/* Main Heading *\/\n.dahua-product h2{\n    background:linear-gradient(135deg,#1f1f1f,#383838);\n    color:#fff;\n    padding:14px 20px;\n    border-radius:10px;\n    margin-top:35px;\n    font-size:26px;\n    letter-spacing:0.5px;\n}\n\n\/* Sub Heading *\/\n.dahua-product h3{\n    color:#a94442;\n    margin-bottom:8px;\n}\n\n\/* Paragraph *\/\n.dahua-product p{\n    line-height:1.8;\n    color:#555;\n}\n\n\/* Feature Cards *\/\n.feature-box{\n    background:#fafafa;\n    border-left:5px solid #c96a6a;\n    padding:18px 22px;\n    margin-bottom:18px;\n    border-radius:12px;\n    transition:all .3s ease;\n    box-shadow:0 2px 8px rgba(0,0,0,.06);\n}\n\n.feature-box:hover{\n    transform:translateY(-4px);\n    box-shadow:0 8px 20px rgba(0,0,0,.12);\n}\n\n\/* Specification Table *\/\n.spec-table{\n    width:100%;\n    border-collapse:collapse;\n    margin-top:20px;\n    border-radius:12px;\n    overflow:hidden;\n}\n\n.spec-table th{\n    background:#2c2c2c;\n    color:white;\n    padding:14px;\n    font-weight:600;\n}\n\n.spec-table td{\n    padding:14px;\n    border:1px solid #ececec;\n}\n\n.spec-table tr:nth-child(even){\n    background:#f8f8f8;\n}\n\n.spec-table tr:hover{\n    background:#fff4f4;\n}\n\n\/* List Style *\/\n.dahua-product ul{\n    padding-left:20px;\n}\n\n.dahua-product li{\n    margin-bottom:12px;\n}\n\n\/* Mobile Responsive *\/\n@media(max-width:768px){\n\n.dahua-product h2{\n    font-size:22px;\n    padding:12px 16px;\n}\n\n.feature-box{\n    padding:15px;\n}\n\n.spec-table th,\n.spec-table td{\n    padding:10px;\n    font-size:14px;\n}\n\n}\n\u003c\/style\u003e\n\u003cdiv class=\"dahua-product\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDahua ARD421 Seismic Detector\u003c\/strong\u003e is a high-performance vibration detector designed to protect ATMs, safes, vaults, vehicles, metal cabinets, and other high-value assets. It can detect attacks caused by impacts, electric drills, impact drivers, gas cutting, and explosions, providing reliable physical intrusion detection.\u003c\/p\u003e\n\u003cp\u003eEquipped with a piezoelectric ceramic sensor and temperature sensor, the ARD421 offers configurable sensitivity levels and impact counts to adapt to different installation environments. Additional features such as low-voltage detection, tamper protection, and selectable NO\/NC alarm output make it an ideal solution for high-security applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Detects impacts, drilling, gas cutting, and explosions\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Piezoelectric ceramic vibration sensor\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Built-in temperature sensor\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ 5 adjustable sensitivity levels\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Configurable number of impact counts\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Temperature rise alarm (10°C increase within 30 seconds)\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Two-color LED status indicator\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Low-voltage alarm below 8 V\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Selectable NO or NC alarm output\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e✔ Case tamper and fall detection\u003c\/div\u003e\n\u003ch2\u003eWhy Choose Dahua ARD421?\u003c\/h2\u003e\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eAdvanced Physical Attack Detection\u003c\/h3\u003e\n\u003cp\u003eDetects vibrations generated by impacts, electric drills, gas cutting and explosions to provide comprehensive protection against physical intrusion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eFlexible Sensitivity Adjustment\u003c\/h3\u003e\n\u003cp\u003eFive adjustable sensitivity levels and configurable impact counts allow the detector to be optimized for different surfaces and applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eTemperature Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe built-in temperature sensor can trigger alarms when a rapid temperature increase is detected, helping identify gas-cutting attacks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eTamper Protection\u003c\/h3\u003e\n\u003cp\u003eBuilt-in tamper detection alerts users when unauthorized attempts are made to remove or open the device.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eIdeal for High-Security Environments\u003c\/h3\u003e\n\u003cp\u003ePerfect for protecting ATMs, vaults, safes, armored vehicles, and metal storage cabinets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSeismic \/ Vibration Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eARD421\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003ePiezoelectric Ceramic Sensor + Temperature Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Mode\u003c\/td\u003e\n\u003ctd\u003eMechanical Vibration and Temperature Detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Levels\u003c\/td\u003e\n\u003ctd\u003e5 Adjustable Levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Output\u003c\/td\u003e\n\u003ctd\u003e1 Channel Dry Contact (12 VDC, 0.11 A Max.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Output\u003c\/td\u003e\n\u003ctd\u003eNormally Closed (Default), NO\/NC Selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator Light\u003c\/td\u003e\n\u003ctd\u003eOne Two-Color LED Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTamper Detection\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e18 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Current\u003c\/td\u003e\n\u003ctd\u003e15 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e9–15 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e≤1.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e0%–95% RH (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCasing Material\u003c\/td\u003e\n\u003ctd\u003eZinc-Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e85 × 37 × 28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e395 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e436 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cdiv class=\"feature-box\"\u003e🏧 ATMs and Cash Machines\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🏦 Banks and Financial Institutions\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🔐 Safes and Vaults\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🚚 Armored Vehicles\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🗄 Metal Cabinets and Storage Units\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🏭 Industrial Facilities\u003c\/div\u003e\n\u003cdiv class=\"feature-box\"\u003e🚨 High-Security Intrusion Alarm Systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Dahua Technology","offers":[{"title":"Default Title","offer_id":55263658672419,"sku":null,"price":5040.64,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4125\/3411\/files\/DahuaSesmicDetectorARD421_2.jpg?v=1781944072","url":"https:\/\/attendancemachine.in\/products\/dahua-sesmic-detector-ard421","provider":"Attendance Machine","version":"1.0","type":"link"}