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ITEMLIST
Products Infomation
- Products by Category
- Electronic Measuring Instruments
- Voltage, Current, Power Measuring Instruments
- ADCMT Digital Multimeter 7461A / 7461P / 7451A
High-peformance and low-price DMM series with new functions
These high-performance and low-price multimeter series consist of three models: the 6½-digit DMM 7461A, the 6½-digit DMM with temperature measurement 7461P and the 5½-digit DMM 7451A.
These multimeters realize high-speed sampling performance with selective sampling modes by adopting the newly developed A/D converter, supporting a variety of applications including digitization of pulse signals, logging measurement at certain intervals.
As another feature, the integration time can be set to any values. This enables correctly measuring the average values of pulsed current/voltage.
In addition, the 7461P is capable of temperature measurement with a resolution of
0.001 ℃ using a PT sensor.
Furthermore, these multimeters are provided with two channel DC voltage measurement (Bch 10 V range fixed), so that low cost measurement system architecture is available.
Digital Multimeter
Model:
7461A / 7461P / 7451A
Maker:
ADC CORPORATION
Features
- Three models by use
- 6½-digit display (7461A)
6½-digit display and temperature measurement by Pt (7461P)
5½-digit display (7451A) - Fast sampling : 20,000 readings/sec (7461A/7461P)
5,000 readings/sec (7451A) - Variable integration time: 10 μs to 10 s (7461A/7461P)
100 μs to 10 s (7451A) - High-resolution DCI measurement: 1 nA (7461A), 10 nA (7451A)
- Two-channel DCV measurement
- Full array of trigger functions
Specification
| 7451A | 7461A | 7461P | |
| Maximum display | 319 999 | 1 199 999 | |
| Measurement speed (readings/s) | 5,000 max | 20,000 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 | |
| AC voltage measurement (True RMS) | 1 μV to 700 V | 100 nV to 700 V | |
| AC voltage frequency range | 20 Hz to 300 kHz | ||
| AC current measurement (True RMS) | 10 nA to 3 A | 1 nA to 3 A | |
| Calculation function | ✓ | ✓ | |
| Temperature measurement | N/A | N/A | Pt100 (-200 ℃ to +850 ℃)/JPt100 |
| Data memory | 10,000 | 20,000 | |
| Interface | USB, GPIB | ||
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