Dream Catcher ME3000 Analog Electronics Lab 6 Manual - Halaman 8

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Appendix: Tips on How to Use the Agilent U2741A

USB Modular Digital Multimeter

Front Panel of the Agilent U2741A USB Modular Digital Multimeter

Setting Up the Connection

1. Connect the digital multimeter to the PC using a USB cable.

2. Power on the digital multimeter.

3. Launch the Agilent IO Control and the Agilent Measurement Manager (AMM).

4. The Select USB Device dialog box will appear displaying the connected U2741A devices. To

start the application, select a U2741A device and click OK to establish the connection

5. The U2741A can only be operated via the USB interface. On the front panel of the U2741A,

there are two LED indicators. The power indicator lights up once the U2741A is powered on.

There is a system error if the indicator blinks after the U2741A is powered on. The USB

indicator will only blink when there is data exchange activity between the U2741A and the PC.

6. You can control the U2741A via the Agilent Measurement Manager (AMM) for U2741A or

via SCPI commands sent through the USB interface from your own application programs.

7. Launch the Agilent IO Control and AMM.

8. The Select USB Device dialog box will appear displaying the connected U2741A devices. To

start the application, select a U2741A device and click OK to establish the connection. You

may start to use the digital multimeter now.

Measuring DC Voltage

1. The DC voltage measurement function of the U2741A has the following features:



five ranges to select: 100 mV, 1 V, 10 V, 100 V, and 300 V; or auto range



input impedance is 10 MΩ for all ranges (typical)



input protection is 300 V on all ranges (HI terminal)

ME3000 Analog Electronics

Figure B-1 – Front Panel of the Digital Multimeter

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Lab 6 - 8/19