Dahua DHI-ARD323-W2 - Wireless Door Contact Sensor
Product Features
- Dahua DHI-ARD323-W2 wireless door contact sensor and door sensor alarm for doors and windows, with a reed switch and magnet.
- Suits non-metal doors, with a movement distance under 40mm.
- Has a 1-channel dry contact input for an external wired zone.
- 433.1MHz to 434.6MHz two-way AES128 link up to 1,000m in open space.
- Tamper and low battery alarms, CR123A battery up to 4 years.
Dahua DHI-ARD323-W2 — Wireless Door Contact Sensor
The Dahua DHI-ARD323-W2 is a wireless door contact sensor and door sensor alarm, also used as a door and window sensor: a reed switch sensor and a magnet (a magnetic door contact) that trigger an alarm when an armed door is opened. As a wireless door alarm sensor and burglar alarm door contact it reports to a Dahua alarm hub. Dahua lists it for non-metal doors, with a movement distance under 40mm and an external wired input (1-channel dry contact input). As a door open sensor, it shows the open and closed state of doors and windows in real time in the DMSS app, with alarm notifications when armed. This is the 433MHz model.
Also listed as ARD323-W2.
Key features
- Reed switch sensor and magnet: triggers an alarm when an armed door is opened; movement distance under 40mm; for non-metal doors.
- Shows the open and closed state of doors and windows in real time on the DMSS app, with timely notifications of alarm events when armed.
- External zone: 1-channel dry contact input.
- Two-way communication, frequency hopping and AES128 encryption on 433.1MHz-434.6MHz, up to 1,000m in open space.
- Tamper alarm, low battery alarm, signal strength detection, test mode and temperature monitoring.
- Cloud update, with automatic recovery if an update fails.
- CR123A battery: 4 years (external input NO) or 2 years (external input NC or Pulse).
Technical specification
| Model | DHI-ARD323-W2 |
|---|---|
| Type | Wireless door detector (sensor and magnet) |
| Sensor | Reed switch |
| Scenario | Non-metal doors |
| Movement distance | Under 40mm (1.57") |
| External zone | 1-channel dry contact input |
| Carrier frequency | 433.1MHz-434.6MHz |
| Transmitter power (EIRP) limit | 10mW |
| Communication | Two-way, AES128 encryption, frequency hopping |
| Communication distance | Up to 1,000m (3,280.84 ft) in an open space |
| Power supply | CR123A battery |
| Battery life | 4 years (external input type is NO); 2 years (external input type is NC or Pulse) |
| Power consumption | Max. 70mW |
| Temperature measurement | -15°C to +65°C (indoor), resolution 1°C |
| Operating temperature | -10°C to +55°C (indoor), 10%-90% RH |
| Indicators and button | 1 green alarm indicator; 1 power button |
| Functions | Tamper alarm, low battery alarm, test mode, signal strength detection, cloud update |
| Dimensions | 100.2mm × 20.8mm × 20.3mm (L × W × H) |
| Net weight | 70g (0.15 lb) |
| Installation | Bracket mount |
| Casing material | PC + ABS |
| Certifications | CE |
Common questions
Does it work on metal doors?
Dahua lists the scenario as non-metal doors.
Can it be used on windows?
Dahua says it can display the open and close state of doors and windows on the DMSS app in real time.
Does it need an alarm panel?
It is a wireless sensor that reports to a Dahua alarm hub, which sends notifications to the DMSS app when the system is armed. This 433MHz model needs a 433MHz hub.
Can I connect a wired detector to it?
Dahua lists an external zone with a 1-channel dry contact input.
How far can it communicate?
Up to 1,000m in an open space, using two-way communication, frequency hopping and AES128 encryption.
How long does the battery last?
It runs on a CR123A battery: 4 years if the external input type is NO, or 2 years if it is NC or Pulse. It has a low battery alarm.
Is there an 868MHz version?
Zenith also lists the Dahua DHI-ARD323-W2(868), so check the frequency of your hub.
Full manufacturer specification: Dahua product page
Supplied by Zenith Security Co, Wolverhampton. We deliver to England, Scotland and Wales, or you can collect from our Wolverhampton trade counter (please call first).
Browse the full Dahua range, more intruder alarms, or contact us on 01902 902251 or visit our Wolverhampton trade counter for advice.
Browse the range: Dahua AirShield alarms · Dahua cameras.
| Product Code | DHI-ARD323-W2 |
|---|---|
| Brand | Dahua |
| Device Type | Contact |
| Product Type | Intruder & Smoke Alarm |
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