Hp 6181c Dc Current Source Analyzer

US $95.95

  • Denison, Texas, United States
  • Jun 9th
Features -          Manually operate current source -          Output current ranges: 0-250 mA, 0-25 mA, 0-2.5 mA -          100 V output voltage compliance, .5 V minimum voltage limit -          Useful for uA region -          Load regulation: Output current change is <25 ppm of initial value +5 ppm of range switch setting for a load change that causes the output voltage for a load change that causes the output -          Line regulation: Output current change is <25 ppm of initial value +5 ppm of range switch setting for any line voltage change within the input rating and at any output current and voltage within rating -          Resolution: .03% of range switch setting -          Ripple and noise   Description The Agilent 6181C constant current and voltage-limit power supply offers exceptional regulation and stability. Typical applications include resistivity measurements, semiconductor characterization, and applications in electrochemistry and electromagnetics. The use of a three-position output Range switch and a 10-turn output Current control results in resolution down to 0.5 µA. Well regulated performance is maintained down to very low output currents, such as 1 µA.   A special guard supply in the unit provides a voltage that is used to prevent internal leakage currents that would degrade the regulation characteristics. Since the positive output voltage is held equal to the guard voltage, it is also used to drive the front panel voltmeter effectively isolating the voltmeter from the main supply. This prevents the usual output degradation associated with connecting a voltmeter across a constant current supply.   The supply is completely transistorized and is suitable for either bench or rack operation. It is of the Constant Current / Voltage Limiting type that will furnish full rated output current at the maximum rated output voltage or can be continuously adjusted throughout the output range. The front panel Voltage control is used to establish the output voltage limit when the supply is used as a constant current source. This control is variable throughout the entire voltage range. The front panel Current control can be used to establish the output current limit (overload or short circuit) if the supply is used as a voltage limited source.   A single meter is used to measure either output voltage or current. The dual selection is accomplished by a Meter switch on the front panel. Output current can be measured in one of three ranges in accordance with the Range switch setting on the front panel. Output voltage is measured in only one range.   The power supply has both front and rear terminals. Either the positive or negative output terminal may be grounded or the power supply can be operated floating at up to a maximum of 300 V off ground. (Additional safety measures are needed in this mode.) Terminals at the rear of the unit allow access to various control points within the unit to expand the operating capabilities of the instrument.  This unit works as it should. The cord has damage to the outside insulation.
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand Current

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