What Are the Specifications of the USI/CO/REP Carbon Monoxide Alarm?
Looking for the key features and specs of your carbon monoxide alarm?
The USI/CO/REP Carbon Monoxide Alarm is designed to help protect you and your loved ones from the dangers of carbon monoxide, a colorless, odorless gas that can be deadly. Using an advanced electrochemical sensor and a clear LCD digital display, this unit monitors your indoor air and alerts you if dangerous CO levels are detected. Compact and easy to install, it’s ideal for bedrooms, hallways, and living areas.
Key Areas Covered:
Model Number: USI/CO/REP
Product Overview
Specifications
Features & Benefits
Installation Requirements
FAQs
Usage & Tips
Specifications:
Power Source: 3V DC (2 × 1.5V AA alkaline batteries)
Operating Temperature: 40°F – 100°F (4.4°C – 37.8°C)
Operating Humidity: 25–95% RH, non-condensing
Dimensions: 4.72 × 2.87 × 1.33 inches (120 × 73 × 34 mm)
Weight: 100 ± 5g (net)
Sensor Type: Electrochemical
Alarm Sound Level: ≥ 85 dB at 10 feet (3.05 m)
Detection Range: Max. 430 ft² (40 m²) within a room
Display Accuracy: 30–999 PPM ± 30% (under standard conditions)
Sensitivity (UL 2034 Standard):
30 PPM: No alarm within 30 days
70 PPM: Alarm in 60–240 minutes
150 PPM: Alarm in 10–50 minutes
400 PPM: Alarm in 4–15 minutes
Product Service Life: 10 years from date of manufacture
Warranty: 10 years (from date of purchase)
Safety Rating: UL 2034 Certified
Features & Benefits:
Large, easy-to-read LCD display showing real-time CO concentration
Advanced electrochemical sensor for accuracy and reliability
Loud 85 dB alarm with distinct 4-beep pattern
Compact design suitable for wall mounting at eye level
Two installation options: 3M adhesive tape (quick install) or screw-mounted bracket (secure install)
Low battery warning with 10-hour temporary silence option
End-of-life alert after 10 years for replacement
Fault warning indicator for quick issue identification
Installation Requirements:
Indoor residential use only
Avoid installation within 5 feet of fuel-burning appliances
Keep away from direct sunlight, moisture, or high-dust areas
Maintain unobstructed vents for accurate detection
Mount on a wall at eye level for easy monitoring
FAQs:
Q: Can this alarm detect other gases besides carbon monoxide?
A: No. It is designed to detect CO only.Q: How often should I test the alarm?
A: Weekly, using the TEST/SILENCE button.Q: Do I need to replace the entire unit after 10 years?
A: Yes. After its service life, replace it to ensure accurate detection.
Usage & Tips:
Test the alarm weekly to ensure proper operation
Replace batteries at least once a year or when low battery warning sounds
Keep vents clear of dust, paint, and obstructions
Familiarize household members with the alarm sound and evacuation plan