Specifications

More detailed specifications at www.agilent.com/find/power
157
Product Comparison 34401A 3458A 34970A w/ 34420A
34901A
Type DMM 6
1
/
2
Digit DMM 8
1
/
2
Digit Data Logger/ Nanovolt /
Scanning DMM micro-ohm meter
6
1
/
2
Digit 7
1
/
2
Digit
Basic Measurements DC & AC voltage, DC & AC current,
DC voltage, 2 & 4 wire
2 & 4 wire resistance, frequency & period resistance, low power
resistance, ratio
Additional Measurements continuity, diode test 3 modes of true Scanning 20 to 60 2 channels - ratio
RMS, Digitizing 2-wire channels and difference
Temperature N/A Thermistor, RTD Thermocouple, Direct SPRT, RTD,
RTD, Thermistor Thermistor,
Thermocouple
dcV Accuracy
1
0.0035 + 0.0005 0.0008 + 0.000005 0.0035 + 0.0005 0.003 + 0.0004
±(% of reading + % of range) (.0004 + .000005)
2
Math Functions Null, statistics, Null, statistics, dBm, Null, statistics, limit Null, statistics,
dBm, dB, limit test dB, limit test, scale, test, scale, offset dBm, dB, limit, test,
offset, filter, % error scale, offset, filter,
moving avg. filter
Connectivity GPIB, RS232, GPIB, Optional USB GPIB, RS232, GPIB, RS232,
Optional USB w/ 82357A Optional USB Optional USB
w/82357A w/82357A w/82357A
Includes Intuilink SW Includes Includes Intuilink SW
BenchLink Data
Logger SW
1
dcV accuracy; 1yr, 10 V range
2
dcV accuracy with optional high stability reference (option 3458-002)
Digital Multimeters,
Voltmeters