Hikvision 4-Wire Photoelectric Smoke Detector | DS-PDSMK-4
Hikvision 4-Wire Photoelectric Smoke Detector | DS-PDSMK-4
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Hikvision 4-Wire Photoelectric Smoke Detector | DS-PDSMK-4
The Hikvision DS-PDSMK-4 is a conventional (non-addressable) photoelectric smoke detector for 4-wire systems. It runs on 12 VDC and has an N/O or N/C alarm relay output, so it can be wired into control panels that accept conventional detectors.
Key Features
Photoelectric Sensing: A stable photoelectric smoke sensing chamber gives early detection of smoke and needs no adjustment or replacement. Advanced electronics and algorithms give high immunity against unwanted alarms.
Relay Output: The 4-wire design runs on 12 VDC and includes an SPST alarm relay that can be used as N/O or N/C, rated 1.0 A @ 30 VDC / 0.5 A @ 125 VAC.
360° Visibility: Two red LEDs light continuously on alarm and can be seen from all around the detector.
Simple to Install, Low Maintenance: No programming is required, and the sleek low-profile housing uses a surface-mount (SMD) circuit board. Hikvision describes it as low maintenance.
Who it's for / Works with
Hikvision states it suits conventional (non-addressable) fire detection control and indicating equipment, or addressable equipment that can accept conventional detectors.
Good to know
- The DS-PDSMK-4 has no internal sounder and no auto-reset function; in Hikvision's datasheet those two features belong to the DS-PDSMK-4BAR model only.
- It needs a 4-wire connection and a 10.2 to 13.8 VDC supply.
Technical Specifications
| Model | DS-PDSMK-4 |
| Detector type | Conventional photoelectric smoke detector, 4-wire |
| Operating voltage | 10.2 to 13.8 VDC |
| Standby current | ≤ 60 µA |
| Alarm current (max) | 35 mA |
| Start-up time | ≤ 60 s |
| Alarm response threshold | 0.10 to 0.16 dB/m (1.51 to 2.73 %/ft obscuration) |
| Alarm relay | SPST, N/O or N/C, 1.0 A @ 30 VDC / 0.5 A @ 125 VAC |
| Reset | Reset voltage ≤ 1 V, reset time ≤ 1 s |
| Alarm indicator | Two continuous red LEDs |
| Operating temperature | 0 °C to +50 °C |
| Operating humidity | 0% to 95% RH, non-condensing |
| Storage temperature | -25 °C to +80 °C |
| Dimensions (excluding contacts) | Ø100 mm × 35 mm |
| Ingress protection | IP42 |
| Approval | CE |
📄 Datasheet: Download the official Hikvision DS-PDSMK-4 datasheet (PDF)
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