Rigol DM3058 Specifikace stáhnout pdf (Strana 246)

RIGOL

Programming Guide for DM3058

7-8

Example 4: dB Measurement

Purpose: Use commands to perform dB measurement.

dB measurement unit which is frequently used in electrician, wireless, mechanics,

oscillatory surge, mechanical power, acoustics and some other fields.

The programming steps——RIGOL Commands:

0 *RST /*Reset the instrument for preparing measurement*/

1 cmdset□rigol /*Select RIGOL commands*/

2 *IDN? /*Query equipment ID to confirm if the

instrument works normally*/

3 /*Connect the test leads under AC voltage measure mode*/

4 :function:voltage:AC /*Enable AC voltage measuring function*/

5 :measure:voltage:AC□<range> /*Set the measuring range*/

6 :calculate:function□DB /*Enable dB measuering function*/

7 :calculate:DB:reference□<value> /*Set the ―dB setting‖ value*/

8 :calculate:DB? /*Query the measured value*/

9 /*Return value*/

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Rigol DM3058 Specifikace Strana 246