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The PT8A335xA/B is special designed for ceramic heating control with 11 temperature levels(show as below function comparison table). It can drive SCR directly and detect heater temperature by heater-self without extra temperature sensor. It has 3 keys for function setting. LCD displays and backlight indicate the working status. Build-in timer will be auto-power off after power on 1 hour for 60Hz or 1.2 hour for 50Hz.
High watt density Alumina Heaters
Pulse trigger with high current for SCR
Quickly Heat-Up and Quickly Lost-Heat Recover
External adjustable to fit wide range heating plates
External adjustable to fit TCR of sensors
Full temperature compensation and insensitive to environment temperature
11 heat temperature settings
Auto power off for PT8A3351/3/5/7
Backlights for indicating work status
LCD screen for showing temperature setting
Dual Temperature (Fahrenheit/Centigrade) Display
Wet function: It will keep heating on state to level 2.