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Dahua · Alarms

Dahua DHI-ARD1233-W2 Wireless PIR Detector

Model / SKU: DHI-ARD1233-W2

Dahua DHI-ARD1233-W2 Wireless PIR Detector. The Dahua DHI-ARD1233-W2 Wireless PIR Detector is a motion detection device designed for security applications in homes, villas, shops, and other areas. It offers a range of features, including pet immunity, allowing it to ignore animals weighing up to 18 kg, ensuring reduced false alarms. It is equipped with auto temperature compensation to maintain detection accuracy in varying conditions and has a 3-level sensitivity adjustment to suit different environments. The detector operates with a dual-element low-noise PIR sensor, detecting movement within a range of 12 meters at a 90-degree angle. The DHI-ARD1233-W2 utilizes two-way communication with AES128 encryption, ensuring secure and stable signal transmission over distances of up to 1,600 meters in open spaces. It also features frequency hopping technology to prevent interference, and it sends alerts for low battery and tampering. The device is powered by a CR123A battery, lasting up to 4 years, and supports cloud updates for easy maintenance. Additionally, its small form factor makes it ideal for discrete installations, with wall-mounting options. Key Features Pet immunity function Auto temperature compensation 3-level sensitivity adjustment Signal strength detection Low battery alarm Temperature monitoring Frequency hopping function and two-way communication technology ensure communication stability Cloud update and automatic recovery from update failure DHI-ARD1233-W2 Datasheet The Dahua DHI-ARD1233-W2 Wireless PIR Detector is a wireless motion detector with key features like pet immunity, allowing it to ignore animals under 18 kg, which helps reduce false alarms in environments with pets. It offers auto temperature compensation and three levels of sensitivity adjustment, ensuring reliable performance in varying conditions. The device is equipped with two-way communication and frequency hopping technology, which enhances signal stability and reduces interference. It can communicate over a distance of up to 1,600 meters in open spaces and uses AES128 encryption for secure data transmission. The detector also features a low battery alarm, tamper alarm, and signal strength detection, ensuring efficient monitoring and timely maintenance. Its compact design allows for easy wall-mounting, and it is powered by a CR123A battery, which offers a lifespan of up to four years. Additionally, the device supports cloud updates, ensuring that any software improvements are applied automatically. It is primarily used in residential, commercial, and apartment settings to detect human or large animal movements. Dimension Application Technical Specifications Port Indicator Light 1 × green alarm indicator Button 1 × power button Function Tamper Alarm Yes Remote Upgrade Cloud update Search Signal strength detection Test Mode Yes Low Battery Alarm Yes Wireless Carrier Frequency 868.0 MHz–868.6 MHz Transmitter Power(EIRP) Limit 25mW Communication Distance Up to 1,600 m (5,249.34 ft) in an open space Communication Mechanism Two-way Encryption Mode AES128 Frequency Hopping Yes General Power Supply CR123A battery Power Consumption Max. 120 mW Operating Temperature –10 °C to +55 °C (+14 °F to +131 °F) (indoor) Operating Humidity 10%–90% (RH). Dimensions 104.0 mm × 60.0 mm × 50.0 mm (4.09″ × 2.36″ × 1.97″) (L × W × H) Package Dimensions 135.0 mm × 98.5 mm × 56.8 mm (5.31″ × 3.88″ × 2.24″) (L × W × H) Installation Mode Wall mount Net Weight 100 g (0.22 lb) Gross Weight 170 g (0.37 lb) Certifications CE EN 50131-1:2006+A1:2009+A2:2017+A3:2020 EN 50131-2-2:2017 EN 50131-6:2017 EN 50131-5-3:2017 Security Grade 2 Environmental Class II Battery Life 4 years Casing PC + ABS Temperature Measuring Range –15 °C to +65 °C (+18.8 °F to +149 °F) (indoor) Measuring Precision ± 1 °C (± 33.8 °F) Resolution 1 °C (33.8 °F) Specification Detection Mode PIR Sensor Dual-element low-noise PIR sensor Detection Range 12 m (39.37 ft) (90°) with installation height of 2.2 m (7.21 ft) Detection Speed 0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s) Pet Immunity Level ≤ 18 kg (39.68 lb) White Light Resistance Level 2000 lx Two-way Digital Temperature Compensation Yes, no attenuation of detection distance in high temperature Sensitivity 3 levels adjustable