Dahua wireless magnetic contact ARD3 for doors and windows

Technical features

• Dahua radio magnetic contact for doors and windows
• Reed Switch sensor
• Actuating distance < 40 mm
• Application on non-metallic doors
• 1 green alarm indicator
• 1 power button

Features

• Display of opening/closing status on DMSS app in real time
• Test mode
• Signal strength detection
• Temperature monitoring
• Cloud update with automatic recovery from update failure

Alarms

• Tamper alarm
• Low battery alarm

Communication interface

• Carrier frequency 868.0 MHz-868.6 MHz
• Transmission power (EIRP) limited to 25 mW
• Bidirectional communication
• Frequency hopping
• Communication distance up to 1200 m in open space
• AES128 encryption
• External 1-channel dry contact input

Power supply

• CR123A battery power supply
• Maximum power consumption 125 mW
• Battery life up to 4 years (external input type NO)
• Battery life up to 2 years (external input type NC or pulse)

Environmental

• Operating temperature -10 °C to +55 °C (indoor)
• Operating humidity 10%-90% (RH)
• Temperature measurement range -15 °C to +65 °C (indoors)
• Temperature measurement accuracy ±1 °C
• Temperature measurement resolution 1 °C

Physical characteristics

• Housing material PC + ABS
• Installation by means of bracket
• Product dimensions 100.2 mm × 20.8 mm × 20.3 mm (L × W × H)
• Packing dimensions 135.0 mm × 98.5 mm × 27.8 mm (L × W × H)
• Net weight: 0.07 kg
• Gross weight: 0.115 kg

Contents

• Dahua ARD3 radio magnetic contact for doors and windows DAHUA-5122 (DHI-ARD323-W2(868S)-B)

Certifications and standards

• CE
• EN 50131-1:2006+A1:2009+A2:2017+A3:2020
• EN 50131-6:2017
• EN 50131-5-3:2017
• EN 50131-2-6:2008
• Grade 2
• Environmental class II