Newport / Oriel 27-20-007 Main Power Supply Module
  • Newport_Oriel_27_20_007_View1_201975172449
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Newport / Oriel 27-20-007 Main Power Supply Module

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Stock # 67547-6
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Newport / Oriel 68805 40-200 Watt Universal Arc Lamp Power Supply

  • Highly Regulated Current Source
  • He, HgXe, Hg Power Supplies
  • < 0.25% R.M.S Light Ripple


The Oriel 68805 He / HgXe / Hg 40-200 Watt Arc Lamp Power Supply was designed to meet the needs of the researcher who demands a highly regulated source of current for proper operation of arc lamp light sources. Constant current operation of these sources of radiation is required whenever a radiometric measurement is being made or whenever a highly stable light output is needed.

Arc lamp sources will be operated in constant current mode by the Oriel Model 68805 power supply with the output voltage being dependent on the arc lamp’s impedance. The Oriel Model 68805 power supply will provide a constant current of up to 11 amperes with a load voltage range of 0 to 100 volts. A power limit, which limits the product of output voltage and current to 300 watts, protects the unit from output overloads. A constant current power supply regulates current even into a short circuit, and the model 68805 is safely limited to 12 amperes or 300 watts. Also, the inrush current to the lamp is limited to a maximum of 12 amperes, and the reduced discharge current minimizes electrode erosion when starting the arc lamp. The Oriel model 68805 Arc Lamp Power Supply includes all of the circuitry to power the lamps, to operate the required external ignitor or ignitor built into Oriel arc lamp housing, and to meter the output parameters.

Product Family: 6251, 6263, 6254, 6255, 6356, 6282, 6281, 6283, 6291, 9292

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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AC Mains Input: 95–135 VAC at 8 amperes
135–270 VAC at 4 amperes
50 or 60 Hertz, 10 ampere inrush
DC Power Output: 300 watts maximum
DC Current Output: Adjustable from 0.5 – 11 amperes
Current limit at 12 amperes
DC Voltage Output:
Preignition > 150 volts unloaded
Operating Load dependent. Total output power should not exceed 240 watts
Light Output Ripple:
Resistive Load <0.25% R.M.S. 40 Hz to 40 kHz
Arc Lamp Load Dependent on lamp, and operating conditions
Typically <0.5% R.M.S.
Pre–Adjust Accuracy: 2%
Power Meter Accuracy: 2%
Line Regulation: 0.1% change in output current for a 95–135 VAC mains input or a 190–235 VAC mains input

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Newport / Oriel 68805 40-200 Watt Universal Arc Lamp Power Supply
Newport / Oriel 68805 40-200 Watt Universal Arc Lamp Power Supply
Newport / Oriel 68805 40-200 Watt Universal Arc Lamp Power Supply
Newport / Oriel 68805 40-200 Watt Universal Arc Lamp Power Supply

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Manuals, Datasheets, Drivers, Links

Oriel 68805 Manual (pdf) 
Link to Newport / Oriel Website 

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