Hikvision Wireless Heat Detector | DS-PDHT-E-WB
Hikvision Wireless Heat Detector | DS-PDHT-E-WB
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Hikvision Wireless Heat Detector | DS-PDHT-E-WB
The Hikvision DS-PDHT-E-WB is a wireless heat detector for the Hikvision AX PRO alarm system. It raises an alarm when the ambient temperature exceeds 57 °C, sounds its own built-in buzzer of at least 85 dB at 3 m, and sends the alarm to the control panel over AES-128 encrypted two-way 433 MHz wireless with up to 1 km range in free space.
Color: White
57 °C Heat Alarm: A temperature sensor watches the room and triggers an alarm once the ambient temperature goes above 57 °C.
Loud Local Warning: The built-in buzzer reaches at least 85 dB at 3 m and the red LED lights on alarm, so people nearby are warned on the spot. Alarm sound interlink is supported, as listed in the official datasheet.
Secure Two-Way Wireless: Two-way RF at 433 MHz with AES-128 encryption keeps the link to the panel protected, with up to 1 km range in free space. Enrollment is by power-up, remote ID or QR code.
Long Battery Life: The sensor runs on two non-replaceable Energizer L91 batteries rated for 10 years, and the RF wireless module uses one replaceable CR123A battery rated for 5 years. This keeps maintenance to a minimum.
Status Monitoring: Environment temperature and signal strength indicators plus a self-health check help the installer choose a good location and keep the detector in working order. Rear tamper protection reports attempts to remove it.
Who it's for / Works with
The Hikvision AX PRO wireless alarm system (433 MHz -WB range). The control panel is sold separately.
Good to know
- Ceiling-mounted detector for indoor use.
- The sensor batteries are not replaceable; only the CR123A battery of the wireless module can be replaced.
Technical Specifications
| Model | DS-PDHT-E-WB |
| Detection method | Temperature sensor |
| Alarm threshold | Ambient temperature above 57 °C |
| Buzzer | ≥ 85 dB @ 3 m |
| LED indicator | Red (alarm) |
| Tamper protection | Rear |
| Self-health check | Supported |
| Alarm sound interlink | Supported |
| Transmission | Two-way RF wireless, 433 MHz |
| Transmission security | AES-128 encryption |
| Range (free space) | 1 km |
| Enrolling method | Power up, remote ID, QR code |
| Battery | Sensor: 2 x Energizer L91 (non-replaceable); RF wireless: 1 x CR123A (replaceable) |
| Standard battery life | 10 years (standalone sensor); 5 years (RF wireless) |
| Typical voltage | 3 V |
| Operating temperature | -10 °C to 50 °C (14 °F to 122 °F) |
| Storage temperature | -20 °C to 60 °C (-4 °F to 140 °F) |
| Operating humidity | 5% to 90% |
| Weight | 179.5 g |
| Mounting | Ceiling |
| Application scenario | Indoor |
📄 Datasheet: Download the official Hikvision DS-PDHT-E-WB datasheet (PDF)
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