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Diametral AC250K1D - User Manual

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AC POWER SUPPLY
MODEL: AC250K1D
AC250K1D-S
AC250K2D
AC250K2D-S
Dear Customer,
Thank you for your decision to buy the Alternating Current Power Supply of model line
AC250Kxxx manufactured by our company. Thanks to this purchase you obtained high-quality
and efficient helper for your work. Please read this manual to allow him to serve you many
years without troubles.
The Alternating Current (AC) Power Supply controlled by a processor can be used especially
on the places, where is necessary to supply the power to different equipment by AC 0V÷255V.
Its characteristics can be evaluated especially by development technicians, repairmen of
consumer electronics, manufacturers and last but not least also by the vocational schools.
Output voltage is obtaining by transformation of the mains voltage 230V/50Hz by a separate
transformer. Thanks to it has the output voltage the clear sine continuance of 50Hz. The
regulation of the output voltage is in the voltage range of 0 ÷ 255V, with regulation step 1V and
maximal current output 1A or 2A – according to the model type.
Controlling of the power supply is maintained by the keyboard placed on the device head panel
or with the assistance of the personal computer and its D-View software, via the interface
RS232. Using of this D-View software allows you to define the processes depending on the
time and voltage without any stint. The power supply output is controlled by its own press
button with a pilot light for easy control. Pressing of any key is signalized by a sound signal.
The power supply is equipped with 3-figure display for set voltage values. The real voltage is
displayed by 3-figure digital measuring equipment.
The power supply output is made by socket for 230V/16A.
The transformer is sufficiently dimensioned for permanent supply of the maximal output to the
loading.
The model AC250Kx-S is additionally equipped with the stabilization of the output voltage,
limitation of the maximal voltage under a password, saving of the source statuses before
switching-off and their recovering after switching-on again.
Content:
I. The set contents page 2
II. Technical parameters page 2
III. Description of the operating elements page 3
IV. Safety instructions page 4
V. Work with the laboratory power supply page 5
V.I. Voltage output setup page 5
V.II. Accurate setting of the voltage output page 5
V.III. Stabilization (only model AC250K1D-S and AC250K2D-S) page 6

Table of Contents

Questions and Answers

  • L
    Laura RichardsAug 10, 2025
    What to do if Diametral Power Supply has no control light and isn't working?
    • M
      mwestAug 10, 2025
      If the control light is not lighting and the Diametral power supply is not working, ensure the power flex cable is properly inserted into a 230V/50Hz socket outlet and that the mains switch is turned on.
  • J
    Jacob RiversAug 15, 2025
    Why Diametral AC250K1D Power Supply displays show preset values but there is no voltage output?
    • V
      victor26Aug 15, 2025
      If the displays on your Diametral Power Supply show the pre-set values, but there is no voltage output, push the button for the appropriate output.
  • R
    ryoungAug 20, 2025
    What to do if Diametral Power Supply doesn't react to pressed keys?
    • M
      Mark PierceAug 20, 2025
      If your Diametral Power Supply does not react to any pressed keys, check if any key is stuck in the pressed position.
  • A
    Amanda FosterAug 25, 2025
    What to do if Diametral Power Supply displays are not lighting even when powered on?
    • B
      Blake JohnsonAug 26, 2025
      If the displays on your Diametral Power Supply are not lighting, even when powered on, the safety fuse may be sublimated. Replace it according to Chapter VI of this manual, ensuring you use the correct value.
  • E
    Eric ChambersAug 29, 2025
    Why Diametral AC250K1D displays show setup values but there is no voltage output?
    • G
      Gregory SweeneyAug 30, 2025
      If the displays show the set up values, but there is no voltage output from your Diametral Power Supply, the output safety fuse may be sublimated. Replace it according to Chapter VI of this manual, making sure to use the correct value.
  • E
    escottSep 4, 2025
    How to fix communication issues between computer and Diametral AC250K1D?
    • M
      Mindy ManningSep 4, 2025
      To resolve communication issues between your computer and the Diametral power supply: * Switch on the communication of the source according to Chapter V.IV. * Check the connection between the computer and power supply. * Verify the setup of the computer and serial port.

Diametral AC250K1D Specifications

General IconGeneral
BrandDiametral
ModelAC250K1D
CategoryPower Supply
LanguageEnglish