Koehler Instrument Company
Summary of Method
Heat of combustion is determined in this test method by burning a weighed sample in an oxygen bomb calorimeter under controlled conditions.
The heat of combustion is computed from temperature observations before, during and after combustion with proper allowances for thermochemical and heat transfer corrections. Either isothermal or adiabatic calorimeter jackets can be used.
- Automatic Calorimeter
The automatic calorimeter is the latest system for determining gross calorific values of liquids and solid fuels. A higher level of automation with extremely simple handling characterizes this device.
In addition to the Isoperibolic measurement procedure, a Dynamic
(reduced-time) mode is also available for the user. Different working
temperatures can be selected for both procedures based on the temperature of the connected water.
Conforms to the specifications of:
ASTM D240; D4809; D5865; D1989; D5468; E711; ISO 1928;
DIN 51900; BS1016
Measurement range: 40,000 J
Measuring mode: Isoperibolic 25°C; Isoperibolic 30°C;
Dynamic 25°C; Dynamic 30°C
Isoperibolic Measuring Time: Approximately 22 min
Dynamic Measuring Time: Approximately 7 min
Oxygen Operating Pressure: 30 bar
Cooling Medium: Water via line, flow through quantity 60 + 10 liters / hour
Water Operating Pressure: 1 – 1.5 bar max.
Water Test Pressure: 10 bar
Interfaces: Serial (RS232); Parallel; Keyboard; Sample rack; External monitor.
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ASTM-E711, ASTM-D4809, ASTM-D240, ANS-D240, Otro - Other-BS1016, DIN-51900, ISO-1928.