The Accelerating Rate Calorimeter 305 (Accelerating Rate Calorimetry (ARC)The method describing isothermal and adiabatic test procedures used to detect thermally exothermic decomposition reactions.ARC® 305) provides AdiabaticAdiabatic describes a system or measurement mode without any heat exchange with the surroundings. This mode can be realized using a calorimeter device according to the method of accelerating rate calorimetry (ARC). The main purpose of such a device is to study scenarios and thermal runaway reactions. A short description of the adiabatic mode is “no heat in – no heat out”.adiabatic calorimetry data in a safe, controlled laboratory environment.

This information helps provide a sound understanding of the fundamental physical processes involved. From this understanding, various safe operating systems and procedures can be developed to mitigate the hazards posed by a reactive system.

The advanced Accelerating Rate Calorimetry (ARC)The method describing isothermal and adiabatic test procedures used to detect thermally exothermic decomposition reactions.ARC® 305 helps engineers and scientists identify potential hazards and tackle key elements of process optimization and Thermal StabilityA material is thermally stable if it does not decompose under the influence of temperature. One way to determine the thermal stability of a substance is to use a TGA (thermogravimetric analyzer). thermal stability. As a highly versatile, miniature chemical reactor, sample can be stirred, material injected, and it can be used for vent studies. The Accelerating Rate Calorimetry (ARC)The method describing isothermal and adiabatic test procedures used to detect thermally exothermic decomposition reactions.ARC® 305 has been designed to use the traditional 10 ml Accelerating Rate Calorimetry (ARC)The method describing isothermal and adiabatic test procedures used to detect thermally exothermic decomposition reactions.ARC® spherical vessel but can also use the larger 130 ml vessel for low Phi or vent testing.

Fastest Tracking Rate
More reliable data and a wider range of application due to the fastest tracking rate up to 200 K/min 
Proteus® software
Controlled by the same powerful Proteus® software which user can use to operate all other NETZSCH thermal analysis instruments in the lab. 

The Accelerating Rate Calorimeter 305 (ARC® 305) simultaneously measures temperature and pressure. The sealed pressure system also allows the user to evaluate the effect of different gas atmospheres on the Thermal StabilityA material is thermally stable if it does not decompose under the influence of temperature. One way to determine the thermal stability of a substance is to use a TGA (thermogravimetric analyzer). thermal stability of the system.

Gaseous reaction products may be analyzed at the end of an experiment to help identify and understand the reaction mechanisms involved.

A single experiment provides data for use in the following:

  • Thermal Hazard Evaluation
  • Pressure Hazard Evaluation
  • Thermokinetic Analysis

User safety is a key objective in the design of model 305. The user is protected by a series of safety systems that are completely independent of the control system. These safety systems work to protect the user in the event that the primary control system fails. Fully computer-controlled and highly automated, the Accelerating Rate Calorimeter (ARC® 305) features a graphical interface that is easy to learn and use.

The system is totally integrated into clean, modern designs in which all routinely used equipment is easily accessible.

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Technical Data

Temperature range
RT to 500°C
Operation modes
Heat-Wait-Search (HWS)Heat-Wait-Search is a measurement mode used in calorimeter devices according to accelerating rate calorimetry (ARC).Heat-Wait-Search (primary mode of operation)
Iso-Fixed technique
Iso-Track technique
Ramp mode for fast screening of unknown samples
High tracking rate

Temperature Range:
RT to 500°C

Pressure Range (Standard):
0 bar to 150 bar

Pressure Accuracy:
0.35%  full scale (150 bar)

Sample container:
spherical sample vessel: 1 ml to 130 ml
tube sample vessel: 1 ml to 9 ml

ASTM standard:
based on E1981

Applications
Process Safety
Energetic Materials

Test cell materials for spherical vessels with a wall thickness between 0.4 mm and 0.9 mm:
Stainless Steel
Hastelloy
Glass
Titanium
Tantalum

(Volume: 1ml to 130 ml)

Test cell materials for tube-type vessels with a wall thickness of 0.4 mm and 0.9 mm: 
Stainless Steel
Titanium
(Volume: 1 ml to 8.5 ml)

Product Information

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