Agilent Technologies E1356A Manuel de service télécharger pdf (Page 41)

Leakage Test Conditions:

• DC Volts function, 100 mV range

• 90 day specifications

• Worst case reading = 0.01 V

• Resistor value: 99 kΩ < R < 101 kΩ

• Power supply value: 9.9 Vdc < PS < 10.1 Vdc

3458 Uncert = (5 ppm of Reading + 10 ppm of Range)

=((5 X 10

-6

* 0.01) + (10 X 10

-6

* 0.1))

= 1.05 X 10

-6

Volts

Resistor Uncert =

(

+ R

MAX

∗ R

MAX

)

−

(

+ R

MIN

∗ R

MIN

)

= ( 1.008 X 10

−2

) − ( 9.89 X 10

−3

)

=1.99 X 10

−4

Volts

Power Supply Uncert =

(

MAX

1.001 X 10

∗ 10

)

−

(

MIN

1.001 X 10

∗ 10

)

= ( 1.008 X 10

−2

) − ( 9.89 X 10

−3

)

= 1.99 X 10

−4

Volts

MU = 3458A Uncert + Resistor Uncert + Power Supply Uncert

= ( 1.05 X 10

-6

) + ( 1.99 X 10

-4

) + ( 1.99 X 10

-4

)

= 3.99 X 10

-4

Volts

Test Accuracy

Ratio (TAR)

Test Accuracy Ratios (TAR) are not defined for single-ended

measurements, so all closed channel resistance and leakage current tests

show NA (Not Applicable) in the TAR column.

Verification Tests 2-23

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 67 68

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Agilent Technologies E1356A Manuel de service Page 41

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