Model: R9400 | UPC: 800837001597

Dual LCD simultaneously displays carbon monoxide (CO) and ambient temperature.

Datasheet Manual

REED R9400 Offers

This carbon monoxide meter is capable of detecting concentrations up to 1000ppm. The R9400 features a backlit LCD display with data hold/max functions and a user-adjustable alarm limit.

What’s included with the REED R9400

  • Carbon Monoxide Meter with Temperature
  • Batteries
  • Soft Carrying Case


  • 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

Ideal Applications for the REED R9400

  • Residential and commercial safety.
  • Verifying furnaces, cookers, water boilers, and gas room heaters.