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The OL 83A is a microprocessor-controlled, precision
DC current source specifically designed to accurately
operate tungsten filament lamp standards and
calibration sources. The power output range is 10 to
1000 watts.
– Output current accuracy of ± 0.01% or better
– Controlled ramp up/ ramp down of the lamp current
– Simultaneous digital readout of lamp current, voltage,
and power
– Ability to set lamp current, voltage, or power
– Lamp “library” for storing and recalling the operating
parameters & description for up to 10 different lamps.
The user-defined operating parameters include lamp
current, voltage or power, current limit, calibration due
interval & lamp hours. A separate elapsed time meter
keeps track of the lamp hours for each of the 10 lamps.
A calibration due warning message will appear upon
power up when the lamp hour’s limit is exceeded and/or
one (1) year has elapsed since last calibration.
– RS-232 (standard) and IEEE-488 (optional) computer
interface