Anders-DPM8400-Digital-Panel-Meter-Anders-DPM-8400-2-p-The-Anders-DPM8400S2-Digital-Panel-Meter-AC-Voltmeter-is-mains-powered-with-true-differential-inputs-&-excellent-common-mode-noise-rejection-br-br-An-instruction-sheet-giving-setting-&-calibration-details-for-many-standard-ranges-is-supplied-with-each-instrument-For-non-standard-ranges-&-engineering-calibrations-application-sheet-number-AES040-is-available-on-request-br-br-Overall-this-superb-low-cost-high-performance-A