This flash tester offers the ultimate in electric control by means of an autotransformer. Infinite heat selection from 0 to 1000 Watts is possible with this heater. Apparatus includes the heater with 6 foot cord and plug, test flame burner mounted in cast support, Heat-Roc board, hinged thermometer holder and Cleveland flash cup. Test flame burner is furnished with a metallic flexible tube for the gas connection. The thermometer holder is hinged to permit the thermometer to be swung completely out of the way when the test has been completed. Overall dimensions: 11W x 5-1/2D x 15 inches high (without thermometer). Does not include thermometer. Order thermometer #90156-00. For operation on 110V, 50/60 Hz, AC, 1000 Watts.