| Part Number | Alternate P/N | Model | Kit Option | NIST Certification | Price | |
|---|
| MA620 | MA620 | MA620 (NOT including DC current measurement) | None | Without NIST Calibration Certificate | $129.99 | |
| MA620-NIST | MA620NIST | MA620 (NOT including DC current measurement) | None | With NIST Calibration Certificate (7 to 10 day lead time) | $204.99 | |
| MA620-K | MA620K | MA620 (NOT including DC current measurement) | With kit option (see product resources for kit contents) | Without NIST Calibration Certificate | $199.99 | |
| MA640 | MA640 | MA640 (Including DC current measurement) | None | Without NIST Calibration Certificate | $159.99 | |
| MA640-NIST | MA640NIST | MA640 (Including DC current measurement) | None | With NIST Calibration Certificate (7 to 10 day lead time) | $249.99 | |
| MA640-K | MA640K | MA640 (Including DC current measurement) | With kit option (see product resources for kit contents) | Without NIST Calibration Certificate | $209.99 | |
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