32 U1731B/U1732B User’s and Service Guide
4 Specifications
Inductance (Series Mode), Test Frequency = 1 kHz
Inductance (Series Mode), Test Frequency = 10 kHz
Range Maximum
Display
Accuracy Specified Note
Inductance DF
100 H 99.99 H 1.0% + (Lx/10000)% + 5 2.0% + 100/Lx + 5 After open cal.
20 H 19.999 H 0.7% + (Lx/10000)% + 5 1.2% + 100/Lx + 5 -
2000 mH 1999.9 mH 0.7% + (Lx/10000)% + 5 1.2% + 100/Lx + 5 -
200 mH 199.99 mH 0.7% + (Lx/10000)% + 5 1.2% + 100/Lx + 5 -
20 mH 19.999 mH 1.0% + (Lx/10000)% + 5 3.0% + 100/Lx + 5 After short cal.
2000 µH 1999.9 µH 2.0% + (Lx/10000)% + 5 10.0% + 100/Lx + 5 After short cal.
Range Maximum
Display
Accuracy Specified Note
Inductance DF
1000 mH 999.9 mH 2.0% + (Lx/10000)% + 8 2.0% + 100/Lx + 10 -
200 mH 199.99 mH 1.5% + (Lx/10000)% + 8 2.0% + 100/Lx + 10 -
20 mH 19.999 mH 1.5% + (Lx/10000)% + 10 3.0% + 100/Lx + 15 -
2000 µH 1999.9 µH 2.0% + (Lx/10000)% + 10 8.0% + 100/Lx + 20 After short cal.
1 Q value is the reciprocal of DF.
2 This specification is based on the measurement performed at the test socket.
3 Device Under Test (DUT) & test leads need to be properly shielded to GUARD if necessary.
4 Lx = counts of displayed L value, e.g. L = 88.88 H, then Lx = 8888.
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