QJE QJ3003P User Manual
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QJE QJ3003P User Manual

Programmable dc lab power supply 0-30v/ usb2.0
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QJ3003P QJ3005P
EN
PROGRAMMABLE DC LAB POWER SUPPLY 0-30V/ USB 2.0

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Summary of Contents for QJE QJ3003P

  • Page 1 QJ3003P QJ3005P PROGRAMMABLE DC LAB POWER SUPPLY 0-30V/ USB 2.0...
  • Page 2 QJ3003P QJ3005P...

  • Page 3: Safety Instructions

    QJ3003P QJ3005P USER MANUAL Introduction To all residents of the European Union Important environmental information about this product This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste;...

  • Page 4: Operation

    Windows XP, Vista and W7, W8, W8.1 (32 bits + 64 bits) Description The QJ3003P QJ3005P is a highly accurate, DC-regulated power supply with an adjustable output. This output can be used for constant voltage (C.V.) and constant current (C.C.).
  • Page 5 QJ3003P QJ3005P Using the Power Supply in Constant Voltage Mode If you want to use the power supply in constant voltage mode, you set up the desired output voltage between 0V and 30V. You also set up the desired current limit.
  • Page 6 QJ3003P QJ3005P Protection Using Overcurrent Protection To protect against overcurrent, set up the maximum current and then press the OCP button. Press Off/On to apply the output to the load. If the output current becomes higher than the set value, the power supply cuts off the output and the OCP indicator flashes.
  • Page 7 QJ3003P QJ3005P The main screen appears.

  • Page 8: Software Running

    QJ3003P QJ3005P MainForm tab 1.Voltage/Current output display Display for the output voltage and current. 2.Voltage Set/Current Set Setting windows for the voltage and current values. Change the value with the arrows. 3.Voltage waveform diagram Displays the voltage wave curve. 4.Current waveform diagram Displays the current wave curve.

  • Page 9: Cleaning And Maintenance

    QJ3003P QJ3005P 5. Cleaning and Maintenance Disconnect the device from the mains prior to maintenance activities. The power supply cables must not show any damage. Have a qualified technician maintain the device. Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.

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