Digital Multimeter HDM3055 Series Manual

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Adjust the Carrying Handle

The handle has five positions, shown below.

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Connect Power and I/O Cables

Connect the power cord, LAN, GPIB, RS232/485, or USB cable as desired.

The instrument's default measurement function is DC Voltage (DCV), with auto-ranging enabled.

Power Switch

Press the power switch in the lower left corner of the front panel. If the instrument does not turn on,

verify that the power cord is firmly connected, that the fuse is good, and that the line voltage selector

is set correctly, as described above. Also, make sure that the instrument is connected to an energized

power source.

To turn off the instrument, press and hold the power switch for about 500 ms. This prevents you from

accidentally turning off the instrument by brushing against the power switch.

NOTE If you turn off the instrument by disconnecting power (this is not recommended), the instrument

turns on as soon as you re-apply power. You will not need to press the power switch.

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WARNING Product Grounding

The instrument is a Class 1 product and is provided with a grounding-type power cord set.

The instrument chassis and cover are connected to the instrument's electrical ground to

minimize shock hazards.

The ground pin of the cord set plug must be firmly connected to the electrical ground

(safety ground) of the terminal at the power outlet. Any interruption of the protective earth

(grounding) conductor or disconnection of the protective earth terminal will cause a

potential shock hazard that could result in personal injury or death.

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Verify that the correct fuse is installed. To replace a blown fuse or verify the correct fuse,

pull it gently from the fuse drawer and insert the correct working fuse. Use only a 5x20mm,

time-lag, 0.25 A, 250 V certified fuse.

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Setting the AC Mains Line Voltage Selector and Fuse Installation

WARNING Before plugging the instrument into AC mains power, verify that the line voltage

setting visible on the back of the AC mains input module is correct for the AC mains power

source being connected. The line voltage selections are shown on the rear panel beneath

of the AC mains input module.

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Quick Start

Basic procedures to help you get started quickly with the instrument.

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Prepare Instrument for Use

Verify that you received the following items. If anything is missing, please contact your  Hantek reseller.

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*1 x Power cord (for country of destination)

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*1 x Certificate of Calibration

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*1 x USB 2.0 cable

*1 x Test Clip

*1 x Multimeter probe

The latest product documentation and software is available at http://hantek.com/uploadpic/hantek/files/20210429/HantekHDM3000-20210429.rar.

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[size=10.5000pt]5. And press [Utility] > Test / Admin > Firmware Update to update the firmware.

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2. Go to http://hantek.com/ and use the links there to find the latest firmware version. If this matches

the version installed on your instrument, there is no need to continue with this procedure. Otherwise,

download the firmware update utility and a ZIP file of the firmware.  

3. Unzip the ZIP file and use the firmware update utility to prepare a USB drive with the updated firmware:

4. Attach the USB drive to the instrument front panel.

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Firmware Update

Use the following procedure to update instrument firmware:

CAUTION  Do not turn off the instrument during the update.

[size=10.5000pt]1. Press [Help] > About to determine what instrument firmware version is currently installed.