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Reed R9400 Carbon Monoxide Meter


The Reed R9400 Carbon Monoxide Meter is capable of detecting concentrations up to 1000ppm. The R9400 features a backlit LCD display with data hold/max functions and user adjustable alarm limit.

  • Backlit LCD displays CO levels from 0 to 1000ppm and ambient temperature
  • User adjustable alarm limit (audible beep frequency increases as CO level rises)
  • Quick response and high accuracy
  • Data hold and max functions
  • Self test sequence on start-up
  • Low battery indicator and auto shut off
  • Includes batteries and soft carrying case
Part Number: R9400
Attribute nameAttribute value


CO Range :1 to 1000 ppm
CO Resolution :1 ppm
CO Accuracy :±5% or ±5 ppm
Temperature Range :-20 to 70°C (-4 to 158°F)
Temperature Resolution :0.1°C (0.1°F)
Temperature Accuracy :±0.8°C (1.5°F)
Dimensions :190 x 65 x 45mm (7.5" x 2.6" x 1.7")
Weight :235 g (8.3 oz)