Electrically heated baths determine existent gum in aircraft turbine fuels by steam-jet evaporation and in motor and aviation gasolines by air-jet evaporation Fully insulated, aluminum block design assures safe, efficient high temperature operation Equipped with air/steam pressure regulator; stainless steel jets deliver air or steam flow to test wells Microprocessor PID control provides quick temperature stabilization without overshoot Overtemperature control circuit interrupts power should bath temperature exceed a programmed cut-off point Dual LED displays provide actual and setpoint temperature values in °C/°F format Compliance Complies with ASTM D381; IP 131; ISO 6246; DIN 51784; FTM 791-3302; and NF M 07-004 specifications.