KSh 2,580(KSh 2,993 Incl VAT)
Device Type: Standalone Carbon Monoxide (CO) Alarm / Detector (Sealed Battery)
Model / SKU: DHI-HY-GC20D (base standalone model; the DHI-HY-GC20D-R8 variant adds 868 MHz wireless interconnect for up to 24 units)
Sensor Type: High-performance electrochemical CO sensor
Alarm Threshold / Response: 50 ppm: 60–90 min; 100 ppm: 10–40 min; 300 ppm: <3 min (EN 50291 compliant)
Alarm Output: Audible and visual alarm; >85 dB(A) at 3 m (9.84 ft)
Silence Function: Supported (approx. 45-second silence duration)
Display & Indicators: LCD screen for CO concentration display; three separate LED indicators (Red = Alarm, Yellow = Fault, Green = Power)
Power Supply: 3V CR123A lithium battery (non-replaceable); 10-year battery life; Monitoring current ≤20 µA, Alarm current ≤20 mA
Physical & Installation: Dimensions 116.4 mm × 71.7 mm × 29.1 mm (4.58″ × 2.82″ × 1.15″); Weight 125 g; PC+ABS housing; wall-mount installation
Operating Environment: Indoor use only; Operating temperature –10°C to +55°C (+14°F to +131°F); Humidity ≤95% RH (non-condensing)
Certifications: TÜV and CE listed; Complies with EN 50291-1:2018
Key Features: Low-battery warning, one-click silence, self-test, peak level display, and end-of-life warning (LCD shows “End” with audible/visual alert)
Key Specs: Dahua DHI-HY-GC20D standalone CO alarm, electrochemical sensor, EN 50291 response thresholds (50/100/300 ppm), >85 dB(A) alarm at 3 m, LCD + 3 LED status indicators, ~45s silence, sealed 3V CR123A battery with 10-year life, 116.4×71.7×29.1 mm wall-mount housing, 125 g, TÜV/CE certified, indoor use
Usage: Continuous monitoring for carbon monoxide leakage in homes, restaurants, hotels, and other indoor spaces requiring CO detection; provides early audible and visual warning when CO concentration reaches dangerous levels, with LCD concentration readout and self-test/low-battery alerts for reliable long-term residential and light-commercial protection
