Agilent Technologies U3401A Service Manual download pdf (Page 100)

6 Specifications and Characteristics

84 U3401A User’s and Service Guide

DC Specifications

Table 6 - 1 DCV resolution, full scale reading and accuracy [±(% of reading + count)]

Function Range Resolution

Maximum

reading

Accuracy

(One year; 23°C ±

5 °C)

Test Current

Typical input

impedance

[2]

Burden voltage

[3]

Voltage

500 mV 0.01 mV 510.00 0.02% + 4 — 10.0 MΩ —

5 V 0.0001 V 5.1000 0.02% + 4 — 11.1 MΩ —

50 V 0.001 V 51.000 0.02% + 4 — 10.1 MΩ —

500 V 0.01 V 510.00 0.02% + 4 — 10.0 MΩ —

1000 V 0.1 V

1200.0

[1]

0.02% + 4 — 10.0 MΩ —

Current

500 μA

0.01 μA 510.00 0.05% + 5 — — < 0.06 V

5 mA

0.0001 mA 5.1000 0.05% + 4 — — < 0.6 V

50 mA

0.001 mA 51.000 0.05% + 4 — — < 0.08 V

500 mA

0.01 mA 510.00 0.05% + 4 — — < 0.8 V

5 A

0.0001 A 5.1000 0.25% + 5 — — < 0.3 V

10 A

0.001 A

20.000

[4]

0.25% + 5 — — < 0.6 V

Resistance

/ Continuity

[5]

500 Ω

0.01 Ω 510.00

0.1% + 5

[6]

0.5 mA — —

5 kΩ

0.0001 kΩ 5.1000

0.1% + 3

[6]

0.45 mA — —

50 kΩ

0.001 kΩ 51.000 0.1% + 3 45 μA— —

500 kΩ

0.01 kΩ 510.00 0.1% + 3 4.5 μA— —

5 MΩ

0.0001 MΩ 5.1000 0.1% + 3 450 nA — —

50 MΩ

0.001 MΩ 51.000 0.3% + 3 45 nA — —

Diode Test /

Continuity

2.3 V

0.0001 V 2.3000 V 0.05% + 5 — — —

Notes:

1 In 1000 V range, 1200 V is readable with audio warning.

2 Input impedance is in paralleled with capacitance <100 pF.

3 Typical at full scale reading and voltage across the input terminals.

4 In 10 A range, >10-20 Adc is readable for 20 seconds maximum with audio warning.

5 In order to eliminate the noise interference, which might be induced to the test leads, it is recommended to use a shielded

test cable for measuring resistance above 500 KΩ.

6 Use relative operation. If relative operation is not used, add 0.2 Ω additional error.

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Agilent Technologies U3401A Service Manual Page 100

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