Kidde – Carbon Monoxide Detector
Description
Kidde KN-COPP-B-LPM Key Features
- Time-Weighted Alarm: Triggers at 70 PPM for 60-240 minutes, 150 PPM for 10-50 minutes, or 400 PPM for 4-15 minutes[13]
- Dual LED Indicators: Green LED flashes every 30 seconds for normal operation, red LED pulses during CO detection
- Battery Safeguard: Prevents closing battery door without all 3 batteries properly installed
- End-of-Life Warning: Alerts after 10 years of operation when sensor replacement is needed
- Test/Reset Button: Tests alarm circuit operation and allows immediate alarm silencing
Kidde KN-COPP-B-LPM Pros:
- Clear digital display visible in ambient light
- 10-year sensor life with 10-year limited warranty
- Portable design ideal for travel safety
- No wiring required for flexible placement
- Slide-out battery door for easy access
Kidde KN-COPP-B-LPM Cons:
- Does not display readings below 30 PPM on screen
- Requires AA battery replacement approximately every 2 years
- Cannot interconnect with other alarms
Recommended For:
- Travelers needing portable CO protection
- Homes without hardwired alarm systems
- Supplemental protection near gas appliances
- Rental properties requiring standalone units
Additional Information
Kidde KN-COPP-B-LPM Specifications
- Certifications: UL 2034 Listed[13]
- Sensor Type: Electrochemical fuel cell sensor
- Battery Type: 3 AA alkaline batteries (included)
- Install Method: Wall mount with included hardware or tabletop with fold-out stand
- Detection Range: 11-999 PPM (displays 30-999 PPM)
- Alarm Sound Level: 85 dB at 10 feet
- Operating Temperature: 40°F to 100°F (4.4°C to 37.8°C)
- Operating Humidity: 5% to 95% RH non-condensing
- Dimensions: 4.5″W x 2.75″H x 1.5″D
- Weight: 0.58 pounds with batteries
Use-Case Scenarios
- Great For: Bedrooms, living areas, basements, vacation homes, RVs, hotels, dorm rooms
- Use this if you: Need reliable CO detection with visible proof of levels, travel frequently, want battery backup protection




