Voltmeter - Test Suite

Note

User guide: Scopy Overview.

Note

Tester	Test Date	Scopy version	Plugin version (N/A if not applicable)	Comments

Setup environment:

M2k.Usb:

• Open Scopy.

• Connect an ADALM2000 device to the system by USB.

• Add the device in device browser.

Test 1: Channel 1 Operation

UID: TST.M2K.VOLTMETER.CHANNEL_1_OPERATION

Description: This test case verifies the functionality of the M2K voltmeter channel 1 operation.

Preconditions:

• Scopy is installed on the system.

• OS: ANY

• Use M2k.Usb setup.

Steps:

1. Checking the DC Mode of channel 1

2. Set channel 1 in DC Mode

   • Expected Result: The numerical value should indicate that it’s in VDC mode.

   • Actual Result:

3. Connect scope ch1+ to positive supply and ch1- to gnd

4. Set the positive power supply voltage level to 3.3V

   • Expected Result:

     • The voltage displayed in the voltmeter should be around 3.2V to 3.4V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

5. Connect scope ch1+ to negative supply and ch1- to gnd

6. Set the negative power supply voltage level to -3.3V

   • Expected Result:

     • The voltage displayed in voltmeter should be around -3.2V to -3.4V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

7. Connect scope ch1+ to positive power supply and scope ch1- to negative supply

8. Set the positive power supply voltage level to 5V and negative power supply to -5V

   • Expected Result:

     • The voltage displayed in the voltmeter should be around 9.9V to 10.1V.

     • The history graph should follow.

   • Actual Result:

9. In step 3 replace scope ch1+ with scope ch1- and scope ch1- with scope ch1+ then repeat step 4

   • Expected Result:

     • The voltage displayed in voltmeter should be around -3.2V to -3.3V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

10. In step 5 replace scope ch1+ with scope ch1- and scope ch1- to scope ch1+ then repeat step 6

    • Expected Result:

      • The voltage displayed in voltmeter should be around 3.2V to 3.3V.

      • The history graph should follow in 1s, 10s or 60s setting.

    • Actual Result:

11. In step 7 replace scope ch1+ with scope ch1- and scope ch1- with scope ch1+ then repeat step 8

    • Expected Result:

      • The voltage displayed in voltmeter should be around -9.9V to -10.1V .

      • The history graph should follow in 1s, 10s or 60s setting.

    • Actual Result:

12. Checking the AC Mode of channel 1 for low frequencies (20Hz to 800Hz)

13. Set channel 1 in AC Mode (20Hz to 800Hz)

    • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

    • Actual Result:

14. Connect scope ch1+ to AWG Ch1 and scope ch1- to gnd

15. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Sine Wave

    • Amplitude: 2.828V

    • Offset: 0V

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

16. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Sine Wave

    • Amplitude: 5V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.66Vrms to 1.86Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

17. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Square Wave,

    • Amplitude: 2.000V

    • Offset: 0

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

18. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Square Wave

    • Amplitude: 5V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 2.4Vrms to 2.6Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

19. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Triangle Wave

    • Amplitude: 3.464V

    • Offset: 0V

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

20. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type:

    • Triangle Wave

    • Amplitude: 7V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.9Vrms to 2.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

21. Checking the AC Mode of channel 1 for high frequencies (800Hz to 40kHz)

22. Set channel 1 in AC Mode (800Hz to 40kHz)

    • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

    • Actual Result:

23. Connect scope ch1+ to AWG Ch1 and scope ch1- to gnd

24. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Sine Wave

    • Amplitude: 2.828V

    • Offset: 0V, Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

25. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Sine Wave

    • Amplitude: 5V

    • Offset: 0V, Frequency: 40kHz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.66Vrms to 1.86Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

26. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Square Wave

    • Amplitude: 2.000V

    • Offset: 0V, Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

27. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Square Wave

    • Amplitude: 5V

    • Offset: 0V

    • Frequency: 40kHz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 2.4Vrms to 2.6Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

28. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Triangle Wave

    • Amplitude: 3.464V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

29. Set the Signal generator’s channel 1 configuration to the following setting

    • Waveform Type: Triangle Wave

    • Amplitude: 7V

    • Offset: 0V

    • Frequency: 40kHz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.9Vrms to 2.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

Tested OS:

Comments:

Result: PASS/FAIL

Test 2: Channel 2 Operation

UID: TST.M2K.VOLTMETER.CHANNEL_2_OPERATION

Description: This test case verifies the functionality of the M2K voltmeter channel 2 operation.

Preconditions:

• Scopy is installed on the system.

• OS: ANY

• Use M2k.Usb setup.

Steps:

1. Checking the DC Mode of channel 2

2. Set channel 2 in DC Mode

   • Expected Result: The numerical value should indicate that it’s in VDC mode.

   • Actual Result:

3. Connect scope ch2+ to positive supply and scope ch2- to gnd

4. Set the positive power supply voltage level to 3.3V

   • Expected Result:

     • The voltage displayed in the voltmeter should be around 3.2V to 3.

     • Tnd the history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

5. Connect scope ch2+ to negative supply and scope ch2- to gnd

6. Set the negative power supply voltage level to -3.3V

   • Expected Result:

     • The voltage displayed in voltmeter should be around -3.2V to -3.4V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

7. Connect scope ch2+ to positive power supply and scope ch1- to negative supply

8. Set the positive power supply voltage level to 5V and negative power supply to -5V

   • Expected Result:

     • The voltage displayed in the voltmeter should be around 9.9V to 10.

     • Tnd the history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

9. In step 3 replace scope ch2+ with scope ch2- and and scope ch2- with scope ch2+ then repeat step 4

   • Expected Result:

     • The voltage displayed in voltmeter should be around -3.2V to -3.3V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

10. In step 5 replace scope ch2+ with scope ch2- and and scope ch2- with scope ch2+ then repeat step 6

    • Expected Result:

      • The voltage displayed in voltmeter should be around 3.2V to 3.3V.

      • The history graph should follow in 1s, 10s or 60s setting.

    • Actual Result:

11. In step 7 replace scope ch2+ with scope ch2- and and scope ch2- with scope ch2+ then repeat step 8

    • Expected Result:

      • The voltage displayed in voltmeter should be around -9.9V to -10.1V.

      • The history graph should follow in 1s, 10s or 60s setting.

    • Actual Result:

12. Checking the AC Mode of channel 2 for low frequencies (20Hz to 800Hz)

13. Set channel 1 in AC Mode (20Hz to 800Hz)

    • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

    • Actual Result:

14. Connect scope ch2+ to AWG ch1 and scope ch2- to gnd

15. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Sine Wave

    • Amplitude: 2.828V

    • Offset: 0V

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

16. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Sine Wave

    • Amplitude: 5V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.66Vrms to 1.86Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

17. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Square Wave

    • Amplitude: 2.000V

    • Offset: 0V

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

18. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Square Wave

    • Amplitude: 5V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 2.4Vrms to 2.6Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

19. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Triangle Wave

    • Amplitude: 3.464V

    • Offset: 0V

    • Frequency: 20Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

20. Set the Signal generator’s channel 1 configuration to the following setting:

    • Waveform Type: Triangle Wave

    • Amplitude: 7V

    • Offset: 0V

    • Frequency: 800Hz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter should be around 1.9Vrms to 2.1Vrms.

        • The history graph should follow in 1s, 10s or 60s setting.

      • Actual Result:

21. Checking the AC Mode of channel 2 for high frequencies (800Hz to 40kHz)

22. Set channel 1 in AC Mode (800Hz to 40kHz)

    • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

    • Actual Result:

23. Connect scope ch2+ to AWG ch1 and scope ch2- to gnd

24. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Sine Wave, Amplitude: 2.828V, Offset: 0V, Frequency: 800Hz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

25. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Sine Wave, Amplitude: 5V, Offset: 0V, Frequency: 40kHz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 1.66Vrms to 1.86Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

26. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Square Wave, Amplitude: 2.000V, Offset: 0V, Frequency: 800Hz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

27. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Square Wave, Amplitude: 5V, Offset: 0V, Frequency: 40kHz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 2.4Vrms to 2.6Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

28. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Triangle Wave, Amplitude: 3.464V, Offset: 0V, Frequency: 800Hz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 0.9Vrms to 1.1Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

29. Set the Signal generator’s channel 1 configuration to the following setting Waveform Type: Triangle Wave, Amplitude: 7V, Offset: 0V, Frequency: 40kHz and Phase: 0

    • Expected Result: The voltage displayed in the voltmeter should be around 1.9Vrms to 2.1Vrms and the history graph should follow in 1s, 10s or 60s setting

    • Actual Result:

Tested OS:

Comments:

Result: PASS/FAIL

Test 3: Channel 1 and Channel 2 Operation

UID: TST.M2K.VOLTMETER.CHANNEL_1_AND_CHANNEL_2_OPERATION

Description: This test case verifies the functionality of the M2K voltmeter channel 1 and channel 2 operation.

Preconditions:

• Scopy is installed on the system.

• OS: ANY

• Use M2k.Usb setup.

Steps:

1. Test both channels simultaneously in DC mode.

2. Set channel 1 and 2 in DC Mode.

   • Expected Result: The numerical value should indicate that it’s in VDC mode.

   • Actual Result:

3. Connect scope ch1+ to positive supply and scope ch1- to gnd. Connect scope ch2+ to negative supply and scope ch2- to gnd.

4. Set the positive power supply voltage level to 3.3V and negative power supply to -4.5V.

   • Expected Result:

     • The voltages shouldn’t interfere with each other.

     • Voltmeter’s channel 1 should be around 3.2V to 3.4V.

     • Voltmeter’s channel 2 should be around -4.6V to -4.4V.

     • The history graph should follow in 1s, 10s or 60s setting.

   • Actual Result:

5. Turn off the history graph of channel 1. Set the positive power supply voltage level to 3.3V and negative power supply to -4.5V.

   • Expected Result:

     • Turning off the history graph through the function shown on the picture shouldn’t reset or affect the voltage reading in the numerical display.

     • Voltmeter’s channel 1 should be around 3.2V to 3.4V.

     • Voltmeter’s channel 2 should be around -4.6V to -4.4V. The history graph of channel 2 should follow in 1s, 10s or 60s setting

   • Actual Result:

6. Turn off the history graph of channel 2. Set the positive power supply voltage level to 3.3V and negative power supply to -4.5V.

   • Expected Result:

     • Turning off the history graph through the function shown on the picture shouldn’t reset or affect the voltage reading in the numerical display.

     • Voltmeter’s channel 1 should be around 3.2V to 3.4V.

     • Voltmeter’s channel 2 should be around -4.6V to -4.4V. The history graph of channel 1 should follow in 1s, 10s or 60s setting

   • Actual Result:

7. Turn off the history graph of both channels. Set the positive power supply voltage level to 3.3V and negative power supply to -4.5V.

   • Expected Result:

     • Turning off the history graph through the function shown on the picture shouldn’t reset or affect the voltage reading in the numerical display.

     • Voltmeter’s channel 1 should be around 3.2V to 3.4V.

     • Voltmeter’s channel 2 should be around -4.6V to -4.4V.

   • Actual Result:

8. Test both channels simultaneously in AC mode.

9. Set channel 1 in low frequency AC mode and channel 2 in high frequency AC Mode.

   • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

   • Actual Result:

10. Connect scope ch1+ to AWG ch1 and scope ch1- to gnd. Connect scope ch2+ to AWG ch2 and scope ch2- to gnd.

11. Set the following settings:

    • Signal generator’s channel 1

      • Waveform Type: Sine Wave

      • Amplitude: 2.828V

      • Offset: 0V

      • Frequency: 200Hz

      • Phase: 0

    • Signal generator’s channel 2

      • Waveform Type: Square Wave

      • Amplitude: 3

      • Offset: 0V

      • Frequency: 1kHz

      • Phase: 0

    • Expected Result:

      • Voltmeter’s channel 1 should be around 0.9Vrms to 1.1Vrms.

      • The voltage display for voltmeter’s channel 2 should be around 1.4Vrms to 1.6Vrms.

      • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

    • Actual Result:

12. Set the following settings:

    • Signal generator’s channel 1

      • Waveform Type: Triangle Wave

      • Amplitude: 6.928V

      • Offset: 0V

      • Frequency: 200 Hz

      • Phase: 0.

    • Signal generator’s channel 2

      • Waveform Type: Sinewave

      • Amplitude: 2.828

      • Offset: 0V

      • Frequency: 1kH

      • Phase: 0

    • Expected Result:

      • Voltmeter’s channel 1 should be around 1.9Vrms to 2.1Vrms.

      • The voltage display for voltmeter’s channel 2 should be around 0.9Vrms to 1.0Vrms.

      • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

    • Actual Result:

13. Test one channel in DC mode and other channel in AC mode simultaneously.

14. Set channel 1 in DC Mode and channel 2 in AC Mode.

    • Expected Result:

      • The numerical value should indicate that channel 1 is in VDC mode.

      • Channel 2 is in AC mode, channel 2 should measure the Vrms.

    • Actual Result:

15. Connect scope ch1+ to positive supply and scope ch1- to gnd. Connect scope ch2+ to AWG ch1 and scope ch2- to gnd.

16. Set the positive power supply voltage level to 3.3V. Set the Signal generator’s channel 1 configuration to the following settings:

    • Waveform Type: Sine Wave

    • Amplitude: 2.828V

    • Offset: 0V

    • Frequency: 10kHz

    • Phase: 0

      • Expected Result:

        • Voltmeter’s channel 1 should be around 3.2V to 3.4V.

        • The voltage display for voltmeter’s channel 2 should be around 0.9Vrms to 1.1Vrms.

        • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

      • Actual Result:

17. Set the positive power supply voltage level to 5V. Set the Signal generator’s channel 1 configuration to the following settings:

    • Waveform Type: Square Wave

    • Amplitude: 3V

    • Offset: 0V

    • Frequency: 10kHz

    • Phase: 0

      • Expected Result:

        • Voltmeter’s channel 1 should be around 4.9V to 5.1V.

        • The voltage display for voltmeter’s channel 2 should be around 1.4Vrms to 1.6Vrms.

        • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

      • Actual Result:

18. Set channel 1 in AC Mode and channel 2 in DC Mode.

    • Expected Result: The numerical value should indicate that channel 1 is in AC mode and channel 2 is in DC mode, channel 1 should measure the Vrms.

    • Actual Result:

19. In step 15 replace scope ch1+ and scope ch1- with scope ch2+ and ch2- respectively and replace ch2+ and ch2- with ch1+ and ch1- respectively and repeat step 16.

    • Expected Result:

      • Voltmeter’s channel 2 should be around 3.2V to 3.4V.

      • Voltmeter’s channel 1 should be around 0.9Vrms to 1.1Vrms.

      • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

    • Actual Result:

20. In step 15 replace scope ch1+ and scope ch1- with scope ch2+ and ch2- respectively and replace ch2+ and ch2- with ch1+ and ch1- respectively and repeat step 17.

    • Expected Result:

      • Voltmeter’s channel 2 should be around 4.9V to 5.1V.

      • Voltmeter’s channel 1 should be around 1.4Vrms to 1.6Vrms.

      • The history graph should follow the voltage reading in 1s, 10s or 60s setting.

    • Actual Result:

Tested OS:

Comments:

Result: PASS/FAIL

Test 4: Additional Features

UID: TST.M2K.VOLTMETER.ADDITIONAL_FEATURES

Description: This test case verifies the functionality of the M2K voltmeter additional features.

Preconditions:

• Scopy is installed on the system.

• OS: ANY

• Use M2k.Usb setup.

Steps:

1. Test Peak hold feature.

2. Set channel 1 and 2 in DC Mode.

   • Expected Result: The numerical value should indicate that it’s in VDC mode.

   • Actual Result:

3. Connect scope ch1+ to positive supply and scope ch1- to gnd. Connect scope ch2+ to negative supply and scope ch2- to gnd.

4. Turn on the Peak hold feature of the voltmeter.

   • Expected Result: The voltmeter window should now show the min and max indicator for both channels.

   • Actual Result:

5. Set +power supply to 2.5V and –power supply to -3V then turn on the power supply first before the voltmeter.

   • Expected Result:

     • The voltage displayed in channel 1’s max voltage should be around 2.4V to 2.6V and the min should still be 0V.

     • The voltage displayed on channel 2’s min voltage should be around -3.1V to -2.9V and the max voltage should be 0V.

   • Actual Result:

6. Following step 5, Set +power supply to 5 V and –power supply to -5V.

   • Expected Result:

     • The voltage displayed in channel 1’s max voltage should be around 4.9V to 5.1V and the min should still be 0V.

     • The voltage displayed on channel 2’s min voltage should be around -5.1V to -4.9V and the max voltage should be 0V.

   • Actual Result:

7. Connect scope ch1+ to negative supply and scope ch1- to gnd. Connect scope ch2+ to positive supply and scope ch2- to gnd

8. Set +power supply to 2.5V and –power supply to -3V then turn on the power supply first before the voltmeter

   • Expected Result:

     • The voltage displayed in channel 2’s max voltage should be around 2.4V to 2.6V and the min should still be -5V.

     • The voltage displayed on channel 1’s min voltage should be around -3.1V to -2.9V and the max voltage should be 5V.

   • Actual Result:

9. Following step 8, Set +power supply to 5 V and –power supply to -5V.

   • Expected Result:

     • The voltage displayed in channel 2’s max voltage should be around 4.9V to 5.1V and the min should still be -5V.

     • The voltage displayed on channel 1’s min voltage should be around -5.1V to -4.9V and the max voltage should be 5V.

   • Actual Result:

10. Test the reset instrument feature.

11. Stop Voltmeter instrument then click the reset instrument button for the peak hold features.

    • Expected Result: The max and min reading for both channels should return to 0V.

    • Actual Result:

12. Test Data logging feature.

13. Set channel 1 in low frequency AC mode and channel 2 in high frequency AC Mode.

    • Expected Result: The numerical value should indicate that it’s in AC mode by showing that it’s reading the VRMS of the signal.

    • Actual Result:

14. Connect scope ch1+ to AWG ch1 and scope ch1- to gnd. Connect scope ch2+ to AWG ch2 and scope ch2- to gnd.

15. Testing Append mode.

16. Turn on the Data logging feature and choose Append.

17. For the timer choose 5 seconds.

18. Open a .csv file where the data will be logged.

    • Expected Result: The voltmeter reading should be recorded on the .csv file with 5 second interval.

    • Actual Result:

19. Set the to the following settings:

    • Signal generator’s channel 1 configuration:

    • Waveform Type: Sine Wave

    • Amplitude: 2.828V

    • Offset: 0V

    • Frequency: 200Hz

    • Phase: 0.

    • Signal generator’s channel 2 configuration:

    • Waveform Type: Square Wave

    • Amplitude: 3

    • Offset: 0V

    • Frequency: 1kHz

    • Phase: 0

    • Run both the Signal generator and voltmeter.

      • Expected Result: Wait for about 1 minute to record at least 6 readings.

      • Actual Result:

20. Stop the voltmeter and open the .csv file using MS Excel.

    • Expected Result: The voltmeter reading should be recorded on the .csv file with 5 second interval.

    • Actual Result:

21. Change the timer for 20 seconds

    • Expected Result: The voltmeter reading should be recorded on the .csv file with 20 second interval.

    • Actual Result:

22. Set the to the following settings:

    • Signal generator’s channel 1 configuration:

    • Waveform Type: Triangle Wave

    • Amplitude: 6.928V, Offset: 0V

    • Frequency: 200 Hz

    • Phase: 0

    • Signal generator’s channel 2 configuration:

    • Waveform Type: Sinewave

    • Amplitude: 2.828, Offset: 0V

    • Frequency: 1kHz

    • Phase: 0

      • Expected Result:

        • The voltage displayed in the voltmeter’s channel 1 should be around 1.9Vrms to 2.1Vrms.

        • The voltage display for voltmeter’s channel 2 should be around 0.9Vrms to 1.0Vrms.

        • Wait for about 1 minute to record at least 3 readings.

      • Actual Result:

23. Stop the voltmeter and open the .csv file using MS Excel.

    • Expected Result: The voltmeter reading should be recorded on the .csv file in continuation with the previous reading and should now record with 20 second interval.

    • Actual Result:

24. Testing overwrite mode

25. Turn on the Data logging feature and choose Overwrite

    • Expected Result: Refer to the image for reference

    • Actual Result:

26. Repeat steps 17 to 23

    • Expected Result: The results should be the same but every run and stop of the voltmeter should replace the data on the .csv file chosen completely with the new readings.

    • Actual Result:

27. Test range feature

28. Set channel 1 and 2 in DC Mode with range for both channels set to +-25V. Turn on the Peak hold feature of the voltmeter

    • Expected Result: The numerical value should indicate that it’s in VDC mode.

    • Actual Result:

29. Connect scope ch1+ to positive supply and scope ch1- to gnd. Connect scope ch2+ to negative supply and scope ch2- to gnd

30. Set the positive power supply to 3.3V and the negative supply to -3.3V.

    • Expected Result: The voltmeter readings should be around [3.2V, 3.4V] for channel 1 and [-3.4V, -3.2V] for channel 2.

    • Actual Result:

31. Without disabling the power supply, change the range for both voltmeter channels to +-2.5V instead of +-25V.

    • Expected Result: “Out of range” should be raised for both channels.

    • Actual Result:

32. Still with range set to +-2.5V for both channels, set the power supply to output +100mV and -100mV.

    • Expected Result: The voltmeter readings should be around [0.097V, 0.103V] for channel 1 and [-0.103V, -0.097V] for channel 2.

    • Actual Result:

33. Without disabling the power supply, change the range for both voltmeter channels to +-25V instead of +-2.5V.

    • Expected Result: “Out of range” should be raised for both channels.

    • Actual Result:

Tested OS:

Comments:

Result: PASS/FAIL