ES- Accelerating Rate Calorimeter ( EsARC)
Accelerating rate calorimetry (ARC) is a common tool used in thermal stability evaluation of hazardous materials to provide self-heat rate and pressure data that are used to model the kinetics of a reaction and even calculate relief vent sizing.
Heat-Wait-Search (H-W-S) mode test
Control Modes
Adiabatic; Ramping, Isothermal modes, True Isothermal, Isoperibolic, Step Isothermal.
Specifications
- 9cm diameter; 10cm depth calorimeter.
- 2.5cm thick copper, 8 heaters, 6 measuring, control and safety thermocouples
- Thermocouple resolution 0.001°C, Precision <0.2%, Accuracy 0.7%
- Adiabatic Control to 0.01°C
Temperature range:
- Ambient to
5500°Ctemperature range (-40°C with Cryogenic System Unit CSU option) - Tracking Rate to 20°C/min
- Fast Tracking Option (FTO) upto 400°C/min
Sensitivity (applicable to new calorimeters only)
- 0.02°C/min, Potential to achieve 0.002°C/min to 200°C, 0.01°C/min to 500°C
Pressure
- Range 0-200 bar (or specify range to 700 bar with alternative transducers), Resolution 0.005bar, Precision 0.02%, Accuracy 0.05%
Safety
- 0.25 cubic meter containment vessel (Blast Box);
- 3mm reinforced Steel, Proximity Switch, Door interlock;
- Automated Fume Extraction facility
Sample Holders
- Hastelloy, titanium, stainless steel, aluminium, glass, ARC bombs (9cm3), low phi bombs (65cm3)
- Tube bombs (1cm3) special open or closed holders for any battery type.
What data we get?
- Onset of exotherm
- Onset of pressure activity
- dT/dt
- dP/dt
- Heat of reaction
- Adiabatic temperature rise
- Phi factor
- TMRad
- Non condensable gases