Devised by Dow Chemical Company in the 1970's, an explosion at a Dow UK site led to commercialisation of ARC technology. The Chemical Processing Industry has been safer from its first availability in 1980! The ARC has specific features and advantages that make it unique and preferable to all other technologies that were available at this time - and today 30 years later this technology is still the number one choice for most people focusing in the area of quantifying exothermic reactions, effect of heat upon materials and simulating runaway reactions.
Key Aspects of the ARC:
Excellent adiabatic control
Universal sample type
Ultimate sensitivity
Ease of use
Simplified data analysis
Worldwide data acceptance
Safe in use
And Latest Features:
Greater stability
Higher sensitivity
Wider temperature range
More versatile additional isothermal modes
Remote operation worldwide
Virtual technician
Endotherms/Exotherms
Zero reflux
Gas flow
Low Phi containers
Fast tracking calorimeter
Pressure compensation calorimeter
Correction to phi = 1
Heat capacity measurement
Automatic data conversion to... Joules, Watts, moles/g
Specification
Design
Fully compliant to ASTM E1981 (all revisions)
Calorimeter design to Dow Patent No 4439048 of 1980 and 1984
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
0-600°C temperature 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