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Smoke Check

Handheld carbon monoxide monitors

Smoke Check measures and clearly displays the level of exhaled Carbon Monoxide on the patient's breath. Suitable for use in all settings where exhaled carbon monoxide needs to be measured. The results are displayed in clear bands with a visual "traffic light" indicator of the levels measured for a non smoker, light smoker and heavy smoker. 

  • Results are displayed instantly on a clear graphic display using colour-coded bands indicating non smoker, light smoker and heavy smoker.
  • Results can be converted to %COHb.
  • No warm up required.
  • Clear "traffic light" indication of CO levels.
  • Push button calibration procedure.
  • Auto-zero function to allow immediate tests of numerous patients.
  • Small, portable and lightweight with a textured handgrip
  • Supplied complete with all accessories in a sturdy carry case.
Smoke Check
Sensor type Electro-chemical fuel cell
Range 0-100ppm
Resolution 1ppm
Green indicator light 0 to 6ppm
Amber indicator light 7 to 10ppm
Red indicator light 11 to 20ppm
Accuracy ±5% of reading of 1ppm whichever is the greater
Sensitivity drift 0.5%/°C
Sensor life 2 to 5 years
Response time < 15 sec (to 90% of reading)
Operating temperature 15°C - 25°C
Operating pressure Atmospheric ±10% 
Pressure coefficient 0.02% signal per mBar
Relative humidity 15% - 90% continuous 
(Non condensing) (0 - 99% intermittent)
Baseline drift 0ppm (auto-zero)
Long term drift < 2% signal loss per month
Power source single Alkaline 9 volt PP3
Main battery life 30 hours of continuous use equivalent to approximately 2000 tests
Internal battery life 10 years
Weight 130g (including battery)
Dimensions 170 x 60 x 26 mm
Display 3.5 digit LCD
Storage and Transport temperature -20°C to +70°C
PPM to %COHb Using conversion chart supplied

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