Characteristics: UEi C30 Smart Bell Plus Combustion Tester Meter
  Combustion analysis in real time
  Direct CO2 measurement and no sensor replacement with EOS
  Includes many pre-programmed fuels: Light Oil, Propane, Natural gas, Heavy Oil,
and Wood
Measures: CO, CO2, Temperature
Calculates: O2, Excess Air, Efficiency, Net T
  5 Year Limited Warranty
UEi C30 Smart Bell Plus includes: Flue Probe, Protective Boot w/ Magnet, Soft Carrying Case


Specifications: UEi C30 Smart Bell Plus Combustion Tester Meter
Parameter Range  Resolution Accuracy
Flue Temperature 32-1112˚F (0-600˚C) 1.0˚F ±(2%RDG ±3.6˚F(2˚C))
Net Temperature2 32-1112˚F (0-600˚C) 1.0˚F ±(2%RDG ±3.6˚F(2˚C)
Gas Measurement
Carbon Monoxide (CO)1 1-1999ppm 1ppm ±5ppm <100ppm
±5%RDG >100ppm
Carbon Dioxide (CO2)1 0-30% 0.1% ±0.2%RDG
Oxygen2 0-21.0% 0.1% ±0.3%
Efficiency2 0-99.9% 0.1% ±0.1%RDG
Excess Air3 0-250% 0.1% ±0.2%
Dimensions (approx.) Weight Handset Probe
1Lb 7”x2”x3 1/4” 4” stainless steel shaft
nominal 36” neoprene hose
Ambient Operating range 32-104˚F, 10-90%RH non-condensing,
850-1100mmHg atmospheric pressure
Battery, Battery Life (4) AA, >8hours expected using alkaline AA cells
1Using Dry Gases at STP,  2Calculated,  3Calculated assuming fuel lean combustion