Rigol DM3058E Specifications download pdf (Page 30)

RIGOL Chapter 3 Performance Test

Service Guide for DM3058

3-2

Calibration Interval

In order to keep the accuracy while measuring, the meter must be calibrated

periodically, and the calibration interval depends on the requirements for accuracy of

measurement,

As for the applications needs higher accuracy, 90 day‟s intervals are recommended;

besides, 1 year‟s interval is acceptable in most cases.

No matter in what kind of applications, RIGOL does not recommend the calibration

interval is more than 1 year.

Calibration Instructions

RIGOL suggests you do a completer calibration within interval regardless of what

kind of interval you have selected so as to ensure the accuracy of the meter is not

going beyond the specifications within next interval.

Except for recalibrate the meter, or even though pass the performance test still can

not ensure the meter is within the limits of test.

Testing Equipments

The equipments in table 3-1 are recommended for testing DM3058 Digital Multimeter

(also for calibration). If the exact equipment is not available, use the one that can

meet the Accuracy Requirement shown in the following table. .

Table 3-1 List of Recommended Equipments

Test and

Calibration Item

Recommended

Equipment

Accuracy Requirement

Zero Calibration

None

4-terminals short using only copper

interconnections

DC Voltage

Fluke 5520A

<1/5 instrument 1 year spec

Dc Current

Fluke 5520A

<1/5 instrument 1 year spec

Resistance

Fluke 5520A

<1/5 instrument 1 year spec

AC Voltage

Fluke 5520A

<1/5 instrument 1 year spec

AC Current

Fluke 5520A

<1/5 instrument 1 year spec

Frequency

Fluke 5520A

<1/5 instrument 1 year spec

Capacitance

Fluke 5520A

<1/5 instrument 1 year spec

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 77 78

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Rigol DM3058E Specifications Page 30

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