6.1 Cleveland Open Cup Apparatus(manual) - This apparatus consists of the test cup, heating plate, test flame applicator, heater, and supports described in detail in the Annex A1. The assembled manual apparatus, heating plate, and cup are illustrated in Figs.1-3, respectively. Dimensions are listed with the figures.
6.2 Cleveland Open Cup Apparatus(automated) - This apparatus is an automated flash point instrument that shall perform the test in accordance with Section 11 Procedure. The apparatus shall use the test cup with the dimensions as described inAnnexA1 and the application of the test flame shall be as described in Annex A1.
6.3 Temperature Measuring Device - A thermometer having the range as shown below and conforming to the requirements prescribed in Specification E1 or in the Specifications for IP Standard Thermometers, or an electronic temperature measuring device, such as a resistance thermometer or thermocouple. The device shall exhibit the same temperature response as the mercury thermometers.
6.4 Test Flame - Natural gas (methane) flame and bottled gas(butane, propane) flame have been found acceptable for use as the ignition source. The gas flame device is described in detail in Annex A1. (Warning - Gas pressure supplied to the apparatus must not be allowed to exceed 3 kPa(12in.) of water pressure.)