Ideal for both Field & Lab use,Cost Effective Solution, Fast Heating & High Stability,Wide working range, Heating chamber made in High Alumina Tube,Thermal Insulation in Ceramic Fiber,Interchangeable Well Insert with Single & Multihole, Auto Tune PID Temperature Controller, Switch Test Facility,24VDC volt supply is available to energies transmitter & a continuity tester built in for thermal switches.