HT322 model is one of meter of last family 320, which include also model HT321, HT326 and HT327, designed on safety measure category CAT IV 600V. The meter performs basically Voltage AC and DC measures up to 600V and resistance, test continuity and diode test as sub-features, more than temperature measurements °C/°F with external type K probes. HT322 is in compliance to EN 61010-1 safety standard with double insulation protection. HT322 meter have a large LCD display and each measurement function can be selected with a rotative selector at 6 positions. Other features are MAX measurement, HOLD function and manual range selection. An Auto Power Off function is integrated to preserve the internal battery after 15 minutes of don't work.