Koehler Instrument Company
Summary of Test Method
On this method a sample is heated at a constant rate and a test flame is applied at regular intervals. Liquid part and vapors of sample are stirred at speed required by method. Flash Point is the lowest temperature, corrected by barometric pressure, at which application of ignition source causes vapors of sample to ignite.
This method is intended for flash point determinations of fuels, lubricating oils, liquids containing suspended solids and liquids that tend to form a surface film during testing.
- Conforms to ASTM D93 and related specifications
- Choice of electric or gas heating
Determines flash points of a wide range of products by a closed cup method with two option speed stirring of the sample. Extensively used in shipping and safety regulations for detection of contamination by volatile and flammable materials in fuel oils and lubricating oils, and for
characterization of hazardous waste samples.
Smooth operating cover mechanism slides shutter open and applies test flame at the turn of a knob. Cover fits over brass test cup and includes pilot flame, test flame reference bead, built-in stirrer and plated brass thermometer ferrule. Electrically heated model is equipped with a 1000W nickel-chromium heater with stepless variable control for accurate, repeatable temperature rate of rise settings per specifications. Heater unit is enclosed in a stainless steel housing with cooling vents. Includes line cord receptacle and switch for accessory slow speed stirrer. Gas heated model has a built-in nickel plated brass natural gas burner, or can be supplied with an artificial gas burner or liquid propane burner (specify when ordering). Both models are mounted on a sturdy cast iron base.
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AASHTO-T73-811, FTM-791-1102, DIN-51758, IP-34, ISO-2719, NF M-07-019.