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July 2025
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778275-01, 2 or 4 Wire Resistance, 1.8 MS/s Sample Rate, PCI-4070 Digital Multimeter Device
Rated 4.6/5 | 20 ratings
Actual item may vary if no part number is provided on quote request.
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments 778275-01 Digital Multimeter Device
The 778275-01 PCI Digital Multimeter Device from National Instruments is a crucial part of the PCI-4070 Model series. In order to provide complete measuring capabilities in industrial environments, this device combines the functions of a digitizer with a high-resolution digital multimeter (DMM).
With its fast and accurate measurements of voltage and current over two or four wires, frequency and period, diode testing, and AC/DC resistance, the 778275-01 is a DMM. With a speed of 100/s for range or function change, it is an efficient choice for dynamic measuring situations. With auto range timings of 5 ms for DC voltage and current and 50 ms for resistance, its auto-range feature allows users to quickly move between measurement ranges.
The 778275-01 supports the acquisition of waveforms at remarkable rates of up to 1.8 MS/s when it is in its high-voltage, isolated digitizer mode. For the purpose of recording and examining dynamic signals in systems and processes, this function is quite helpful.
Across a range of uses and operations, the device retains its high level of precision and dependability. It provides, for example, an effective common-mode rejection ratio (CMRR) of more than 140 dB for DC measurements and much higher rejection rates for high-order DC noise. Accurate readings are guaranteed since the maximum 4-wire lead resistance is set by the lesser of 10% of the range or 1 kΩ. Furthermore, the DC voltage input bias current of the device is negligible, measuring less than 30 pA, guaranteeing little interference during measurements.
In terms of AC voltage and current measurements, the 778275-01 has an auto-range time of 250 ms and a range or function change speed of 10/s. Up to 60 Hz frequencies are maintained with a CMRR of more than 70 dB.
The gadget's variable resolution acquisition mechanism, which ranges from 10 to 23 bits, allows for the flexible capture of signals with different levels of information. From ±100 mV to ±300 V for voltage and ±20 mA to ±1 A for current, it can monitor both voltage and current over a broad range.
In addition, the 778275-01 has strong trigger characteristics that guarantee accurate measurement triggering by minimizing trigger jitter and delay. Moreover, it minimizes the requirement for external calibration equipment with its practical self-calibration features.
| Part Number | 778275-01 |
|---|---|
| Model Name | PCI‑4070 |
| Part Type | Digital Multimeter Device |
| DC System Speeds | Range or function change: 100/s, Auto range time, DC V: 5 ms, Auto range time, DC I: 5 ms |
| AC System Speeds | Range or function change: 10/s Auto range time, AC V and AC I: 250 ms |
| Acquisition System | Minimum record duration: 8.89 μs Maximum record duration: 149 s |
| Input Trigger | Latency: 1.8 μs, Jitter: <600 ns |
| Warm-up | Warm-up: 1 hour |
| Self-calibration | External calibration interval: 2 years |
| Measurement Category | I (up to 300 V) and II (up to 250 VACrms, 220 VDC) |
| Manufacturer | National Instruments |
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