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Carbon Monoxide Alarm HM-723ESY series

HM-723ESY is a battery-operated carbon monoxide alarm with an electrochemical sensor up to 10-year lifespan. A 5-year sealed battery delivers long-lasting protection. The LCD activates only when CO is detected, showing real-time concentration. A manual test button enables quick self-checks. Low power consumption maximizes battery life. Compact design supports wall or ceiling mounting without tools. Easy to install, HM-723ESY provides accurate CO detection for home safety.

SPECIFICATION

Model	HM-723ESY	HM-723ES
Power Supply	DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER)	DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER)
Battery Life	5 years	5 years
Sensor Lifespan	Max. 10 years	Max. 10 years
Operating Temperature	-10 °C ～ +40 °C	-10 °C ～ +40 °C
Operating Humidity	0–95% RH (Non-condensing)	0–95% RH (Non-condensing)
Sound Level	≥85 dB (at 3 m)	≥85 dB (at 3 m)
Alarm Output	Visual and Audible Indication	Sound and flash alarm
Warm-up Period	Approx. 100 seconds	Approx. 100 seconds
Mounting Method	Wall Mounting / Ceiling Mounting	Wall Mounting / Ceiling Mounting
Dimensions	Φ122*38.8mm	Φ122*38.8mm
Certification	CE	CE

Electrochemical Sensor

Electrochemical sensor with up to 10-year lifespan.
Highly accurate CO detection technology.
Stable long-term performance and reliability.
Professional-grade sensing for home protection.
Dependable accuracy for maximum safety.
LCD Display

LCD activates only when CO is detected.
Clear display shows real-time CO concentration.
Remains off during normal conditions for efficiency.
Instant visual alert when hazardous levels appear.
User-friendly readout for quick status awareness.
Energy-saving design extends battery lifespan.
Manual Test

Single button for quick manual testing.
Verify alarm function and sensor status.
Simple operation for routine self-checks.
Ensure device readiness with one press.
User-friendly design for regular verification.
Low Power Consumption

Energy-efficient design extends battery life.
Reduced power usage for 5-year operation.
Minimize battery replacement frequency.
Sustainable performance with reliable monitoring.
Eco-friendly operation for lasting protection.
Wall or Ceiling Mounting

Flexible wall or ceiling installation options.
Choose optimal position for CO detection.
Mounting hardware included for quick setup.
No professional tools required.
Compact design fits various room layouts.
Secure placement for long-term use.

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Carbon Monoxide Alarm HM-723ESY series

Electrochemical Sensor

LCD Display

Manual Test

Low Power Consumption

Wall or Ceiling Mounting

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