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REED R9400 Carbon Monoxide Meter with Temperature

Model: R9400

REED R9400 Carbon Monoxide Meter with Temperature-

Downloads: manual datasheet
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Dual LCD simultaneously displays carbon monixde (CO) and ambient temperature.

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 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

REED R9400 Specifications

Carbon Monoxide
Measuring Range 1 to 1000 ppm
Accuracy ±5% or ±5 ppm
Resolution 1 ppm
Sensor Type Stabilized electrochemical sensor
Measuring Range -4 to 158°F (-20 to 70°C)
Accuracy ±1.5°F (0.8°C)
Resolution 0.1°F (0.1°C)
Sensor Type Thermistor
General Specifications
Display 4-digit, dual LCD
Backlit Display Yes
F/C Switchable Yes
Alarm Audible (buzzer)
Alarm Limit User Adjustable
Max Hold Yes
Display Hold Yes
Warm-up Time 60 seconds
Response Time 2x per sec.
Auto Shut-off Yes (after 30 mins, off)
Power Supply 4 AA batteries
Battery Life Approx. 200 hours
Low Battery Indicator Yes
Product Certifications CE
Probe Length 16" (406mm)
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-90%
Dimensions 7.5 x 2.6 x 1.7" (190 x 65 x 45mm)
Weight 8.3 oz (235g)

What's included with the REED R9400

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

Ideal Applications for the REED R9400

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

Click on a category to view a selection of compatible accessories with the REED R9400 Carbon Monoxide Meter with Temperature.

REED CA-52A Small Soft Carrying Case

Model: CA-52A

Features a main instrument compartment and a side pouch for accessories.

Calibration Lab
When you purchase a REED product it comes included with a one year warranty. We back our products.