DAHUA HY-GC20B Standalone Carbon Monoxide Alarm

In stock
Regular price $1,000,000.00

Estimated delivery date: 2023-10-29

无标题文档 Get More Information
Do you have any question about the Products?Contact us now via sales@cctv-mall.com.
Ask Our Experts
Text Chat | Email |04407548784511

    Order and Pricing Information for Surveillance Products
    Please note the following important details when ordering surveillance products from CCTV-MALL:
  • Minimum order amount: Orders must exceed $1000 or equivalent.
  • The prices listed, such as $1000000 or $1,534,590.00, are placeholders and do not reflect the actual prices. These products on this page are typically specialized for project-specific requirements, and pricing depends on various factors such as the required quantity and any other project-specific requirements.
  • Final pricing: Prices mentioned are subject to the final Proforma Invoice (PI) prices provided after order confirmation.
  • Shipping costs: Shipping costs will be calculated separately and added to the total order value.
  • Genuine products: We guarantee official original DAHUA products with the latest firmware versions.
  • Technical support: As authorized distributors, we provide official technical support.
  • Warranty coverage: For project-based orders, the manufacturer provides local warranty, while we offer warranty support for dealer orders.
  • If you have any questions or need further assistance, please feel free to contact us. We are committed to providing you with the best price and service for your DAHUA surveillance product needs.
Quality Certifications:



Standalone Carbon Monoxide Alarm

> High-performance Figaro electrochemical CO sensor to deliver accurate detection of carbon monoxide leakage and respond quickly
> Long standby time, low power consumption, 10-year battery life
> Support low battery warning, one-click silence, and self-test
> Informative and easy-to-read CO concentration display in screen
> Three indicator lights for displaying device status clearly
> Excellent production, novel appearance, delicate and compact, simple and convenient installation

Product Data

Working Principle

Collection Type

Carbon Monoxide (CO)

Sensor Type



Alarm Type

CO alarm, fault alarm, low battery warning

Alarm Volume

Over 85dB (A) at 3 m (9.84 ft)

Alarm Mode

Visual and audible alarm

Silence Function


Silence Duration

About 45 seconds

Alarm Response Threshold

50 ppm: 60 min–90 min

100 ppm: 10 min–40 min

300 ppm: < 3 min

Basic Parameters



Indicator Light

LED (red/yellow/green)

LED Instruction

Alarm: Red indicator
Fault: Yellow indicator
Power: Green indicator

Power Supply

Battery Life

10 years

Power Source

3V CR123A lithium battery (replaceable)

Operating Current

Monitoring Current: ≤20uA
Alarm Current: ≤10mA

Operating Ambient

Operating Environment

Indoor use only

Operating Temperature

–10°C to +40°C (+14°F to +104°F)

Operating Humidity

≤95% RH (non condensing)







116.4 mm × 71.7 mm × 28.3 mm (4.58" × 2.82" × 1.11")


125 g


Wall Mount



TÜV and CE listed

Compliance Standard

EN 50291-1:2018