ATP-Auto-Ranging-4-000-Count-Digital-Multimeter-DM-922-ATP-DM-931-P-The-ATP-DM-931-6-000-Count-Auto-Ranging-Digital-Multimeter-is-suitable-for-use-by-electricians-electronic-engineers-general-industry-&-laboratories-The-ATP-DM-931-is-EN61010-1-CAT-III-600V-CATII-1000V-rated-The-ATP-DM-931-has-a-large-high-contrast-LCD-display-a-single-positive-action-rotary-selection-&-only-4-function-buttons-making-it-easy-to-use-P-ATP-6000-Count-Auto-ranging-Digital-Multimeter-DM-931