EXTECH Digital Multimeter: 4000 Instrument Counts, +/-0.50% of Reading +2 Digits Basic DC Accuracy - 1PTL6|EX330-NIST - Grainger
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EXTECH EX520-NIST True-RMS Industrial Multimeter, 1000V AC/DC, 20A, 6000 Count Type K w/NIST Calibration
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