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Smoke Alarm HM-628PH series

HM-628PH Series is a battery-powered photoelectric smoke alarm for home fire protection. Advanced photoelectric sensing detects smouldering fire particles early. Top battery compartment for easy replacement with reverse protection. An 85 dB alarm with red LED flash auto-resets after hazards pass. A test button checks all functions; low-battery chirps every 53 seconds ensure timely maintenance. Dust-proof, anti-RFI design ensures lasting accuracy. Easy to install, HM-628PH Series provides dependable safety.

SPECIFICATION

Model	HM-628PHR	HM-628PHS
Power Supply	DC 9V Battery (1 × 6F22)	DC 9V (6F22 / 6LR61 Battery)
Alarm Indication	Red LED and Alarm Sound	Red LED and Alarm Sound
Battery Life	1 year (PAIRDEER Carbon Zinc 6F22 Battery) 5 years (PAIRDEER Alkaline 6LR61 Battery)	1 year (PAIRDEER Carbon Zinc 6F22 Battery) 5 years (PAIRDEER Alkaline 6LR61 Battery)
Alarm Sound Output	≥85 dB (at 3 m)	≥85 dB (at 3 m)
Wireless Type	MCU Code, 2262 or 1527 Available	/
Wireless Frequency	315 MHz / 433 MHz	/
Wireless Distance	Max. 150 m (Actual wireless distance varies depending on the control panel used)	/
Operating Temperature	-10 °C ～ +50 °C	-10 °C ～ +50 °C
Operating Humidity	≤95% RH	≤95% RH
Dimensions	Φ95.5 × H43.2 mm	Φ95.5 × H43.2 mm
Detecting Area	80 m² (Installation Height: 6–12 m)60 m² (Installation Height: ≤6 m)	80 m² (Installation Height: 6–12 m)60 m² (Installation Height: ≤6 m)
Certification	CE EN14604 、DBI	CE EN14604 、DBI

Advanced Photoelectric Sensing

Advanced photoelectric technology detects visible particles.Faster response to smouldering fires than ionization.ldentifies smoke from slow-burning hazards early.Reliable detection for maximum evacuation time.Superior accuracy for dependable home safety.
Top Battery Compartment Design

Battery compartment on the top surface.
Convenient replacement without removing the unit.
Protection against reverse battery loading.
Safer and easier maintenance for all users.
User-friendly design ensures correct installation.
One-Touch Test Button

Single button tests electronic circuitry and functions.Verifies buzzer, battery and sensor performance.Quick routine self-check ensures device readiness.Simple operation for regular maintenance.Confirm your alarm is always emergency-prepared.
85dB Sound & Flash Alarm

Alarm sound exceeds 85 decibels for immediate alert.Red LED flashes simultaneously during detection.Auto-reset restores normal operation after
hazard passes.Powerful audiovisual warning for rapid evacuation.Reliable alert system for the entire household.
Easy Installation & Maintenance

Simple to install without professional help.
Lightweight design enables flexible placement.
Mount on walls or ceilings with supplied fixings.
Minimal upkeep for long-term reliability.
Start protecting your home within minutes.