7481/7482
High-resolution 8½-digit DMM for system calibration
1116
DC high-voltage probe
5½-digit and 6½-digit DMM | 7351A | 7351E | 7351E+03 | 7355 |
Maximum display | 199999 | 1999999 | ||
Measurement speed (readings/s) | 140 max | 250 max | ||
Variable integration | N/A | ✓ | ||
DC voltage measurement | 1 μV to 1000 V | 100 nV to 1000 V | ||
Accuracy (typical value) | 0.011 %/year | 0.011 %/year | ||
DC current measurement | 1 μA to 10A | 100 nA to 10 A | ||
Resistance measurement | 1 mΩ to 200 MΩ | 100 μΩ to 200 MΩ | ||
4-wire resistance measurement | N/A | ✓ | ||
AC voltage measurement (True RMS) | 1 μV to 700 V | 100 nV to 700 V | ||
AC voltage frequency range | 20 Hz to 100 kHz | 20 Hz to 100 kHz | ||
AC current measurement (True RMS) | 1 μA to 10 A | 100 nA to 10 A | ||
Calculation function | ✓ | ✓ | ||
Rear input | N/A | N/A | ||
Temperature measurement | N/A | Pt100 (-200℃ to +850℃) /JPt100 |
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Interface | USB, GPIB | USB | USB, RS232 |
USB/LAN (standard) GPIB/RS232 (option) |
Comparator output | N/A | ✓ | ✓ Selectable (option) |
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Digital input | N/A | |||
Data memory | N/A | 20000 |
5½-digit and 6½-digit DMM | 7451A | 7461A | 7461P |
Maximum display | 319999 | 1199999 | |
Measurement speed (readings/s) | 5000 max | 20000 max | |
Variable integration | ✓ | ||
DC voltage measurement | 1 μV to 1000 V | 100 nV to 1000 V | |
Accuracy (typical value) | 0.01%/year | 0.0035%/year | |
DC current measurement | 10 nA to 3 A | 1 nA to 3 A | |
Resistance measurement | 100 μΩ to 300 MΩ | 100 μΩ to 100 MΩ | |
4-wire resistance measurement | ✓ | ||
AC voltage measurement (True RMS) | 1 μV to 700 V | 100 nV to 700 V | |
AC voltage frequency range | 20 Hz to 100 kHz | ||
AC current measurement (True RMS) | 10 nA to 3 A | 1 nA to 3 A | |
Calculation function | ✓ | ||
Rear input | ✓ | ||
Temperature measurement | N/A | Pt100 (-200℃~+850℃)/JPt100 | |
Interface | USB, GPIB | ||
Comparator output | ✓ | ✓ Selectable |
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Digital input | N/A | ||
Data memory | 10000 | 20000 |
2ch 5½-digit DMM | 7352A/7352E | ||
Ach | Bch | ||
Maximum display | 199999 | ||
Measurement speed (readings/s) | 140 max | ||
DC voltage measurement | 1 μV to 1000 V | 1 μV to 200 V | |
Accuracy (typical value) | 0.011 %/year | ||
DC current measurement | 10 pA to 2A | 100 μA to 10 A | |
Resistance measurement | 1 mΩ to 200 MΩ | N/A | |
AC voltage measurement (True RMS) | 1 μV to 700 V | N/A | |
AC voltage frequency range | 20 Hz to 100 kHz | N/A | |
AC current measurement (True RMS) | 1 nA to 2 A | 100 μA to 10 A | |
Calculation function | ✓ | ||
Rear input temperature measurement | K(CA) -50℃ to 1370℃, T(CC) -50℃ to 400℃ | ||
Interface | 7352A: USB, GPIB, RS232 / 7352E: USB | ||
External trigger signal | 7352A: ✓ / 7352E: N/A |
8½-digit DMM | 7481 | 7482 | |
Maximum display | 119999999 | 119999999 | |
Variable integration | ✓ | ✓ | |
DC voltage measurement | 10 nV to 1000 V | ||
Accuracy (typical value) | 5 ppm/year | ||
DC current measurement | 100 fA to 1 A | ||
Resistance measurement | 1 μΩ to 1000 MΩ | ||
AC voltage measurement (True RMS) | N/A | 100 nV to 700 V | |
AC voltage frequency range | N/A | 10 Hz to 2 MHz | |
AC current measurement (True RMS) | N/A | 100 pA to 1000 mA | |
Calculation function | ✓ | ✓ | |
Temperature measurement | ✓ | ✓ | |
Interface | USB, GPIB, optional LAN | ||
Data memory | 50000 |