High temperature measurement VM-1 thermocouple system. Includes (though not shown) VM-1 and backboard which has the power supply for the Hlabs thermocouple amplifier (also included) calibrated for 0 to 1999 degrees F. Chromel/Alumel plug is included but not the probe since the probe is application specific. Operates on 12vdc. Great for measuring automotive exhaust gas temperature. Sample and Hold version available for Racing use where the driver wishes to save the reading until the race is over.