UL-Listed CoStar 9RV carbon monoxidesensor and CO monitor for home, motor home or RV. No need for 12 Volt power: this home CO Alarm and RV accessory , made by Quantum Group, is powered by a 9 volt Duracell alkaline battery (included). The Costar 9RV carbon monoxide detector cannot be mounted without a battery installed. Meets RV Standards for higher humidity and temperature limits plus current UL standards for home use. Diameter: 4.75 inches
UL2034 (Oct 1, 1998), C-UL for Canada and CE for Europe, RVIA Approved, CSA 6.19-01
Solid-state Infrared (SIR) sensor with reservoir system U.S.-Based CO Sensor Manufacturer.
Mounting plate, screws and anchors included for easy mounting. Remove tamper resist pin to replace battery. Battery installation required to close door and attach to mounting bracket.
9-Volt alkaline battery
One Year (Normal Use)
-40 degrees F to +151 degrees F 15% to 95% RH
LED flashes every 30 seconds: indicates alarm is powered.
LED lights for 2 seconds, off for 3 seconds. 4 short beeps for one second. 4 seconds of silence
LED double flashes with 1 beep every 30 seconds
Low Battery Signal:
1 chirp every 30 seconds
1 chirp then LED flashes 4 or 5 times followed by 2 alarm signals
Below 30 ppm no alarm 70 ppm alarm in 60-240 minutes 150 ppm alarm in 10-50 minutes 400 ppm alarm in 4-15 minutes