xDevs.com | Wavetek 4953 10A AC/DC precision shunt review

Intro
Disclaimer
Exterior and connections
Calibration test
Temperature stability
Frequency flatness comparisons
Summary & Conclusion

Intro

This is stub for Wavetek 4953 Shunt. This shunt is designed and sold in bundle with Wavetek 4950 Multi-function Transfer Calibrator.

xDevs.com	Wavetek 4953	Fluke A40B-10A	Units
Nominal shunt current	0 to 11	0 – 10	A
Nominal DC resistance	0.01	0.08	Ω
Input / output connector	5-way binding posts	N female connector
Frequency range	DC, 10 – 20k	DC, 10 – 100k	Hz
Short-term stability, ±1 °C	± 20	± 26	ppm of FS
Temperature coefficient	10	10	± ppm/°C
AC Flatness Low band	200 ppm, 10 Hz – 1 kHz	26 to 37 ppm, 10 Hz – 1 kHz
AC Flatness Hi band	300 ppm 5kHz, 600 ppm 10 kHz, 1000 ppm, 20 kHz	60 ppm 10kHz, 92 ppm 100 kHz
Temperature coefficient, AC	40 ppm Low band, up to 120 ppm Hi band	4.5 ppm

Table 1: Specification of the Wavetek 4953

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