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Janice Carter, University of Cambridge

The person in WPI I deal with is Julian Williams and he has been very helpful in sorting out any problems we may have and finding items that we require. He is very pleasant to deal with and I have used WPI for the last 8 years and I am very happy with the service that they provide us.
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CO2 Controller with external sensor

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  • CO2 Controller w external sensor
  • Use in live cell imaging and custom incubators
  • Background flow rate of 25-250mL/min.
  • Optional air pump (not included) for economical use

 The CO2-300 carbon dioxide controller has an external CO2 sensor. It controls the concentration of CO2 in a background gas from 0.5–15%. This controller offers:

  • An RS-232 interface to a computer
  • A background flow rate of 100–1000mL/min
  • Optional air pump (not included) for economical use (as opposed to using bottle pressurized background gas)
  • In the future, multiple gas controllers of this variety can be daisy chained


  CO2-200 CO2-300
Power 110/240V, 50/60Hz 110/240V, 50/60Hz
Operating Temperature (ambient) 10–50°C (50–122°F) 10–50°C (50–122°F)
Operating Humidity (ambient) 15–70% RH, non-condensing 15–70% RH, non-condensing
Warm up Time  20 minutes 20 minutes
Computer Interface  USB via external USB/RS232 converter
CO2 Flow Meter  6–60mL/min 6–60mL/min
Background Flow Meter  20/250mL/min 100–1000mL/min
Sensor Non-dispersive infrared (NDIR), dual beam, 20s response time Non-dispersive infrared (NDIR), dual beam, 20s response time
Sensor range  0–20% CO2  0–20% CO2 
Control Range  0.5–15% 0.5–15%
Control Precision  0.1% CO2  0.1% CO2 
Control Accuracy  0.1–3% of reading 0.1–3% of reading
Dimensions 7.5x6.5x8” (190x155x210mm) 7.5x6.5x8” (190x155x210mm)
Shipping Weight  10 lb. (4.6kg) 10 lb. (4.6kg)






CO2 Controller with internal sensor

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University College London
Imperial College
University of Cambridge
University of Oxford

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