Agilent Digital Multimeters / Voltmeters Product Comparison

  34401A 3458A 34970A1 34420A
Type DMM
6 ½ Digit
DMM
8 ½ Digit
Data Logger / Scanning DMM
6 ½ Digit
Nanovolt /micro-ohm meter
7 ½ Digit
Basic Measurements dc & ac voltage, dc & ac current, 2 & 4 wire resistance, frequency & period dc voltage, 2 & 4 wire resistance, low power resistance, ratio
Additional Measurements continuity, diode test 3 modes of true RMS, Digitizing Scanning 20 to 60 2-wire channels 2 channels - ratio and difference
Temperature N/A Thermistor, RTD Thermocouple, RTD, Thermistor Direct SPRT, RTD, Thermistor, Thermocouple
dcV Accuracy2
±(% of reading + % of range)
0.0035 + 0.0005 0.0008 + 0.000005
(.0004 + .000005)3
0.0035 + 0.0005 0.003 + 0.0004
acV Accuracy4
±(% of reading + % of range)
0.06 + 0.03 0.007 + 0.002 0.06 + 0.04 N/A
Resistance Accuracy5
±(% of reading + % of range)
0.010 + 0.001 0.0010 + 0.00005 0.010 + 0.001 0.006 + 0.0002
Math Functions Null, statistics, dBm, dB, limit test Null, statistics, dBm, dB, limit test, scale, offset, filter, % error Null, statistics, limit test, scale, offset Null, statistics, dBm, dB, limit, test, scale, offset, filter, moving avg. filter
Software Includes Intuilink SW   Includes BenchLink Data Logger SW Includes Intuilink
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