Battery operated - 9v; Low battery, peak level and fault warnings. Audible and visual alarms. Test/reset button. Wall-mounted and freestanding. Digital display 10-99ppm. Size: H9 x W12 x D3.5cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Compact and discreet alarm that can be wall-mounted or freestanding. The display is clear and easy to read. It records the peak level of CO reached over the past four weeks useful if you are away on holiday. Thorough instructions.
Battery operated - 9v.Low battery, peak level and fault warnings. Audible and visual alarm. Test/reset button. Wall-mounted and freestanding. Digital display 10-99ppm. Wi-safe remote warning handset - optional extra. Size: H9 x W12 x D3.5cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Compact and discreet alarm that can be wall-mounted or freestanding. The display is clear and easy to read. It records the peak level of CO reached over the past four weeks - useful if you are away on holiday. Wi-safe capability. Thorough instructions.
Battery operated - three x AA. Low battery, peak level and fault warnings. Audible and visual alarms. Test/retest button. Wall-mounted. Continuous digital display. Backlight. Size: Diam.13.5 x D3.7cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Small and discreet. Tricky to close cover without batteries which is a good safety feature. Thorough instructions.Drawbacks: Wall-mounted only.
Mains with battery back up. Low battery and fault warning light. Peak level button. Audible and visual alarms. Test/reset button. Can be used as a direct plug-in, a wall mounted or a tabletop unit. Continuous digital display. Cord length 2.05mSize: H14 x W9 x D4cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. In case of a power cut the 9v battery will continue operating the alarm for at least 20 hours. Clear easy to read display. Thorough instructions. Drawbacks: Quite bulky. Should only be used as a plug-in unit if the socket is around shoulder level.
Battery operated - 9v. Low battery and fault warnings. CO alarm memory. Audible and visual alarms. Test/retest button. Wall-mounted. Digital display.Size: H14.5 x W11.5 x D4.5cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Level of CO displayed once levels over 30ppm are detected. When test button is held the display shows the previous peak reading. Thorough instructions. Drawbacks: Wall-mounted only. Not obvious what the warnings flashed on the display mean.
Battery operated - 9v. Low battery and fault warnings. Audible and visual alarms. Test/reset button. Wall-mounted and freestanding. Size: H9 x W11.5 x W3cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Small, discreet and easily portable. Thorough instructions.Drawbacks: No display. No peak level indicator.
Battery operated - three AA. Low battery warning. Audible and visual alarms. Test/reset button. Wall-mounted. Size: H13 x W10 x D4.2cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Battery can be refitted without removing from wall. Thorough instructions. Drawbacks: No display. Complicated system of beeps and flashing light to indicate raised levels of CO or faults.
Mains with battery back up. Low battery and fault warning light. Peak level button. Audible and visual alarms. Test/reset button. Can be used as a direct plug-in, a wall mounted or a tabletop unit. Cord length 2.05m. Size: H14 x W9 x D4cm.
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing.In case of a power cut the 9v battery will continue operating the alarm for at least 20 hours. Thorough instructions. Drawbacks: No display. Quite bulky. Should only be used as a plug-in unit if the socket is around shoulder level. Complicated system of beeps and lights to inform you of presence of CO, fault or low battery.
Battery operated three x AA. Low battery and fault warning lights. Memory. Audible and visual alarms. Test/reset button. Wall-mounted. Size: H12.5 x W10.4 x D4.2cm.
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Can be made tamperproof so batteries are not removed. Thorough instructions. Drawbacks: No display. Complicated system of flashing lights to indicate presence of Co, fault or low battery.
Mains powered. Fault warning light. Audible and visual alarms. Memory feature. Test/reset button. Wall mounted or free-standing. Cord length 2.5m.Size: H13 x W9.5 x D4.1cm.
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Thorough instructions. Drawbacks: No display. No battery back-up in case of power failure. Complicated system of flashing lights and beeps to show presence of CO or fault.
Battery operated - three x AA. Visual and audible alarms. Test/reset button. Wall-mounted.Size: Diam. 13 x D3.6cm
Comments
Good points: Alarm triggered within three minutes and noise level was over 85db during testing. Thorough instructions. Drawbacks: No display. Complicated system of flashing lights and beeps to show presence of CO, fault and low battery.