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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Shelyak Instruments High Voltage Power Supply
Shelyak Instruments High Voltage Power Supply
Shelyak Instruments High Voltage Power Supply

Shelyak Instruments High Voltage Power Supply

par Shelyak
UGC SHK-PF0082
$470.00 - $470.00
$470.00
$470.00 - $470.00
$470.00
Égalisation de prix!
  • Maximum Output Voltage: 310V DC
  • Adjustable Current Range: 1 mA to 35 mA
  • Required Input Power: 12V DC, 2A (not included)
  • Internal 2A Fuse for Polarity Protection
  • Weight: 540g
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  • Description
  • FAQ
  • Specifications
  • Downloads
  • Warranty

  • Shelyak Instruments High Voltage Power Supply

    The Shelyak High Voltage Power Supply delivers a regulated DC output of up to 310 V and an adjustable current from 1 to 35 mA, engineered specifically for exciting spectral calibration lamps. It operates from a standard 12V DC input (2A or more) and features a 2A internal fuse for reverse polarity protection. Housed in a compact 172 x 106 x 60 mm chassis, this 540g unit is the core component for powering a wide range of gas discharge lamps used in astronomical spectroscopy.

    310V Output & 1-35mA Current Control for Spectral Lamps

    This power supply provides the two critical functions for operating spectral lamps: high-voltage ignition and stable current regulation. The maximum 310 V output is sufficient to excite gases that require a high ignition voltage, such as Thorium (>230V), while also easily handling lamps like Neon which ignite around 60V. Once the gas is excited, you can precisely dial in the operating current between 1 mA and 35 mA to achieve a stable, consistent light source for your calibration frames, with a built-in power limitation to reduce the risk of damaging the lamp.

    Broad Lamp Compatibility for Shelyak Spectrographs

    Designed for versatility, this unit can power nearly any gas lamp used in amateur and research spectroscopy. It is the standard power source for hollow cathode lamps (HCL) like Thorium-Argon used with the eShel and Whoopshel spectrographs, and also for the Neon or Argon-Neon lamps used with the LISA, Lhires III, and UVEX spectrographs. Note that the required 12V DC power brick and specific output cables for your lamp are sold separately.

  • What is the purpose of the Shelyak High Voltage Power Supply?

    This unit is designed to power spectral calibration lamps used in astronomy. It first provides a high voltage (up to 310V) to excite the gas inside the lamp (e.g., Neon, Argon, or Thorium), and then maintains a stable, low-level current (1-35 mA) to keep the lamp lit for acquiring calibration data with a spectrograph.

    What kind of input power adapter do I need for this High Voltage unit?

    You will need a separate 12V DC power supply capable of delivering at least 2A of current. The connector must be a 5.5/2.5 mm barrel plug with a center-positive polarity. This power adapter is not included with the unit.

    Do I need a special cable to use this power supply with my Thorium-Argon lamp for an eShel spectrograph?

    Yes. When using this power supply with a hollow cathode lamp (HCL) like a Thorium-Argon lamp, you must use the specific "cable for hollow cathode lamp" (Shelyak ref. SE0268), which is sold separately. For other lamps, a 3-pin male connector (ref. EL0334) is available to build a custom cable.

    Why are both high voltage and adjustable current important for the High Voltage Power Supply?

    Different gases require different conditions to operate correctly.

    • High Voltage (up to 310V): This is needed for the initial ignition of the gas. Thorium, for example, requires over 230V to start, while Neon only needs about 60V.
    • Adjustable Current (1-35mA): After ignition, the lamp runs on a steady, low current. This needs to be set to the lamp's specification (e.g., ~10mA for Thorium) for stable light output and to maximize lamp life.

    Can I use this High Voltage Power Supply for my Neon calibration lamp on a Lhires III?

    Absolutely. This power supply is fully compatible with the Neon or Argon/Neon lamps typically used with the Shelyak Lhires III, LISA, and UVEX spectrographs. You will need to ensure you have the correct output cable to connect the power supply to your specific lamp.

    What safety features does the Shelyak High Voltage Power Supply have?

    The primary safety features are an internal 2A fuse, which mainly protects against reverse polarity on the 12V input, and an internal power limitation circuit designed to reduce the risk of overpowering and damaging your expensive spectral lamps.

  • Max Output Voltage 310 V
    Adjustable Current Range 1 to 35 mA
    Required Input Power 12 V DC, 2A (or more)
    Input Connector 5.5/2.5 mm, Center Positive
    Internal Fuse 2A (Reverse Polarity Protection)
    Dimensions 172 x 106 x 60 mm
    Weight 540g
  • Shelyak 1-Year Warranty