Isothermal Air Calorimeter

Isothermal Air Calorimeter

Measure heat flux from complete devices, lithium ion cells or modules

Isothermal Air Calorimeter

The IAC is an Isothermal Air Calorimeter for measurement of heat flux from electronic devices, lithium ion cells and modules. It’s large sample chamber measures 275 x 275 x 175mm accommodating a wide variety of sample sizes. Power compensation control allows for accurate measurement of heat flux.


  • mW sensitivity calorimeter to accommodate complete electronic devices, cells or modules of sizes up to: 275 x 275mm diameter; depth 175mm
  • Custom build option offering larger internal volumes built to customer requirements

Baseline signal over 25min at 25°C  

Calibration Steps of 10W, 20W, and 40W (insert) Calibration linearity (main plot)


Max Temperature (°C)                                  60
Min Temperature (°C)                                   -20 
Temperature Stability (°C)                            0.01

Calorimeter chamber diameter (mm)             275 x 275 (customistable)
Calorimeter chamber depth (mm)                 175 (customisable)

Number of sample chambers                        1

RMS Noise                                                100 mW
under controlled ambient conditions

Max heat detection                                     50W

Refrigerated recirculator required                  Yes

Heat cut out                                               No

External cycler terminals                             Only on custom cell holders

Footprint (Width x Height x Depth)               24 x 16 x 24 inch
                                                                 60 x 40 x 60 cm

Weight                                                       32 lbs
                                                                 15 kg

*Specification above subject to change

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