ATP-Manual-Ranging-Digital-Multimeter-DM-64-ATP-DM-64-P-The-ATP-DM-64-Manual-Ranging-3-frac 12-digit-multimeter-has-a-dual-slope-A-D-converter-The-ATP-DM-64-uses-C-MOS-technology-for-auto-zeroing-polarity-selection-&-over-range-indication-It-is-ideal-for-use-by-electricians-electronic-engineers-general-industry-&-laboratories-P-ATP-DM-64-Manual-Ranging-Digital-Multimeter