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HP / Agilent 34401A Digital Multimeter
The HP / Agilent 34401A multimeter gives you the performance you need for fast, accurate bench and system testing. The 34401A provides a combination of resolution, accuracy and speed that rivals DMMs costing many times more. 6½ digits of resolution, 0.0015% basic 24-hr dcV accuracy and 1,000 readings/s direct to GPIB assure you of results that are accurate, fast, and repeatable.
Agilent 34401A Features:
- 12 measurement functions
- 1000 V maximum input
- 15 ppm basic, dV accuracy (24 hour)
- 1000 readings per second direct to HP-IB
- HP-IB and RS-232 standard
- 512-reading memory
- SCPI commands standard
Agilent 34401A DC Voltage Specifications:
| Input Characteristics |
| Range |
Maximum Reading (6½ digits) |
Resolution in digits - 6½ |
Input Resistance |
| 100 mV |
120.0000 |
100 nV |
10 Mohm or > 10 Gohm |
| 1V |
1.200000 |
1 µV |
10 Mohm or > 10 Gohm |
| 10 V |
12.00000 |
10 µV |
10 Mohm or > 10 Gohm |
| 100 V |
120.0000 |
100 µV |
10 Mohm |
| 1000 V |
1050.000 |
1 mV |
10 Mohm |
| Measurement Accuracy: ± (% or reading + % of range) |
| Range |
1-Year 23° C ±5° C |
| 100 mV |
0.0050 + 0.0035 |
| 1 V |
0.0040 + 0.0007 |
| 10 V |
0.0035 + 0.0005 |
| 100 V |
0.0045 + 0.0006 |
| 1000 V |
0.0045 + 0.0010 |
Agilent 34401A AC Voltage (true rms) Specifications:
| Frequency |
Ranges 100 mV |
Ranges 1, 10, 100 750 V |
| 3 to 5 Hz |
1.00 + 0.04 |
1.00 + 0.03 |
| 5 to 10 Hz |
0.35 + 0.04 |
0.35 + 0.03 |
| 10 Hz to 20 kHz |
0.05 + 0.04 |
0.06 + 0.03 |
| 20 to 50 kHz |
0.12 + 0.04 |
0.12 + 0.05 |
| 50 to 100 kHz |
0.60 + 0.08 |
0.60 + 0.08 |
| 100 to 300 kHz |
4.00 + 0.50 |
4.00 + 0.50 |
| Measurement Accuracy |
± (%of reading + % of range); 1 year, 23° C ± 5° C |
Agilent 34401A Frequency and Period Specifications:
| Range |
3 Hz to 300 kHz (333 ms to 3.33 µs) |
| Resolution |
10 µHz to 1 Hz |
| Other Measurement Functions |
Continuity, Diode Test, Ratio dc: dc, Limit Test |
| Math Functions |
NULL, Min/Max/Avg, dB, dBm, Limit Test |
| Memory |
512 reading internal storage |
| Standard Programming Languages |
SCPI, HP 3478A AND Fluke 8840A/42A |
| Computer Interface |
HP-IB and RS-232C standard |
Agilent 34401A Resistance: (2-wire ohm, 4-wire ohm)
| Input Characteristics |
| Range |
Maximum reading (6½) |
Resolution in digits 6½ |
| 100 ohm |
120.0000 |
100 µohm |
| 1 kohm |
1.200000 |
1 mohm |
| 10 kohm |
12.00000 |
10 mohm |
| 100 kohm |
120.0000 |
100 mohm |
| 1 Mohm |
1.200000 |
1 ohm |
| 10 Mohm |
12.00000 |
10 ohm |
| 100 Mohm |
120.0000 |
100 ohm |
| Range |
1-Year 23° C ±5° C |
| 100 ohm |
0.010 + 0.004 |
| 1 kohm |
0.010 + 0.001 |
| 10 kohm |
0.010 + 0.001 |
| 100 kohm |
0.010 + 0.001 |
| 1 Mohm |
0.010 + 0.001 |
| 10 Mohm |
0.040 + 0.001 |
| 100 Mohm |
0.800 + 0.010 |
| Measurement Accuracy |
± (% of reading + % of range) Specs are for 4-wire ohm or 2-wire ohm using Math Null |
Agilent 34401A DC Current Specifications:
| Range |
1-Year 23° C ±5° C |
| 10 mA |
0.050 + 0.020 |
| 100 mA |
0.050 + 0.005 |
| 1 A |
0.100 + 0.010 |
| 3 A |
0.120 + 0.020 |
| Input Protection |
Externally accessible 3A 250V fuse; internal 7A 500V fuse |
Agilent 34401A AC Current (True Rms) Specifications:
| Frequency |
Ranges 1A |
Ranges 3A |
| 3 to 5 Hz |
1.00 + 0.04 |
1.10 + 0.06 |
| 5 to 10 Hz |
0.30 + 0.04 |
0.35 + 0.06 |
| 10 Hz to 5 kHz |
0.10 + 0.04 |
0.15 + 0.06 |
| Measurement Accuracy |
± (% of reading + % of range); 1 year, 23° C ± 5° C |
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