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4 Characteristics and Specifications

Electrical Specifications

78 U1731C/U1732C/U1733C User’s Guide

Electrical Specifications

Impedance/Resistance/DCR specifications

NOTE

Specification assumptions are given on page 77.

Table 4 - 1 Impedance/Resistance/DCR specifications

Range Resolution

Accuracy = A

+ Offset

DCR 100 Hz 120 Hz 1 kHz 10 kHz 100 kHz

U1733C only All models All models All models

U1733C and

U1732C only

U1733C only

2 Ω

[1]

0.0001 Ω 0.7% + 50 0.7% + 50 0.7% + 50 0.7% + 50 0.7% + 50 1.0% + 50

20 Ω

[1]

0.001 Ω 0.7% + 8 0.7% + 8 0.7% + 8 0.7% + 8 0.7% + 8 0.7% + 8

200 Ω

[1]

0.01 Ω 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.5% + 5

2000 Ω 0.1 Ω 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.5% + 5

20 kΩ 0.001 kΩ 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.2% + 3 0.5% + 5

200 kΩ 0.01 kΩ 0.5% + 5 0.5% + 5 0.5% + 5 0.5% + 5 0.5% + 5 0.7% + 8

2000 kΩ 0.1 kΩ 0.5% + 5 0.5% + 5 0.5% + 5 0.5% + 5 0.7% + 5 -

20 MΩ

[2]

0.001 MΩ 2.0% + 8 2.0% + 8 2.0% + 8 2.0% + 8 5.0% + 8 -

200 MΩ

[2]

0.01 MΩ 6.0% + 80 6.0% + 80 6.0% + 80 6.0% + 80 - -

Notes:

1 The accuracy for the 2 Ω to 200 Ω range is specified after the Null function is used to subtract the resistance of test leads

and the contact resistance.

2 For the 20 MΩ and 200 MΩ range, the RH is specified for <60%.

3 Resistance measurement is specified to Q <10 and D >0.1; otherwise accuracy is specified as .

4 ESR (Equivalent Series Resistance) measurement is specified according to the impedance measurement and range. The

maximum display is up to 199.99 kΩ and the accuracy is specified as .

Offset+()1 Q

+×

Offset+()1 Q

+×

1 2 ... 91 92 93 94 95 96 97 98 99 100 101 ... 106 107

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