DL-C501 Carbon Monoxide Detector

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The DL-C501 is a standalone, battery-powered (3× AA) carbon monoxide alarm featuring a 10-year electrochemical sensor, digital LCD concentration/temperature display, 85dB siren, automatic self-testing, and EN 50291 compliance.

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Description

The DL-C501 is an advanced residential carbon monoxide alarm engineered for long-term life-safety monitoring in homes, apartments, boiler rooms, hotels, and recreational vehicles. Powered by three replaceable 1.5V AA alkaline batteries, the device utilizes a high-precision electrochemical CO sensor with an operational service life of up to 10 years. It features an integrated backlit digital LCD display that alternates between real-time carbon monoxide concentrations (25–600 PPM) and ambient room temperature (°C), along with continuous battery level status. Upon detecting dangerous CO gas accumulation, the detector activates a loud 85dB piezo horn alongside visual red LED indicators. The unit incorporates automatic sensor self-diagnostics every two minutes, low-battery warning alerts, end-of-life replacement notifications, and full certification under the EN 50291 standard.

Features

  • Long-Life Electrochemical Sensor: Built with an advanced electrochemical sensor that provides precise, continuous monitoring for up to 10 years.
  • Multi-Function Digital LCD Display: Shows real-time carbon monoxide levels in PPM, ambient temperature, and a 4-level battery status indicator.
  • High-Decibel Audible and Visual Alarm: Triggers a loud 85 dB horn along with a flashing LED indicator upon detecting hazardous carbon monoxide gas.
  • Alternating Display Readout: Alternates between displaying current room temperature and 0 PPM every 22 seconds under normal ambient conditions.
  • Automatic Self-Test Function: Performs periodic internal diagnostic checks every two minutes to ensure full system health and sensor accuracy.
  • Integrated Test and Silence Control: Features an easy-access front button for routine manual functional checks and temporary silencing of non-emergency alerts.
  • Low Battery and End-of-Life Warning: Emits audible chirps and visual prompts when batteries drop below 3.5V or when the sensor approaches the end of its service life.

Specifications

  • Brand Name: Scondaor / Highled
  • Model: DL-C501
  • Type: Standalone Carbon Monoxide Alarm with LCD Display
  • Power Source: DC 4.5V (3 x 1.5V AA High-Energy Alkaline Batteries)
  • Sensor Type: High-Precision Electrochemical Carbon Monoxide Sensor
  • Sensor / Product Lifespan: Up to 10 Years
  • Battery Standby Duration: Up to 18 Months
  • Static Working Current: Less than 35 µA
  • Alarm Working Current: Less than 85 mA
  • Alarm Sound Output: Greater than 85 dB at 1 meter
  • Concentration Display Range: 25 PPM to 600 PPM (Error ±10%, displays Hco when above 600 PPM)
  • Temperature Display Range: -15°C to +50°C
  • Operating Temperature Range: 0°C to +45°C
  • Operating Humidity: 0% to 90% RH (Non-condensing)
  • Product Weight: 196 g (Including batteries)
  • Low Voltage Warning Threshold: Activates when battery voltage drops below 3.5V
  • Certifications: EN 50291 Compliant, CE Marked, RoHS Certified

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