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HVFO103 High-Voltage Fiber Optically Isolated Probe
Care and Maintenance
Cleaning the Probe Body
Clean only the exterior surfaces of the device using a soft cloth or swab dampened with water or
75% isopropyl alcohol solution. Do not use harsh chemicals or abrasive cleansers. Dry the probe
and accessories thoroughly before making any voltage measurements.
CAUTION: The HVFO103 probe is not waterproof. Under no circumstances submerge the
probe in liquid or allow moisture to penetrate it.
Cleaning the Optical Ports
Keep the fiber optic ports clear of dust. If required, they can be cleaned by applying low pressure
dry air. Do not insert anything into the ports except fiber optic cable or apply solvents to them.
Cleaning the Fiber Optic Cable
The fiber optic cable connectors should only be cleaned with solvents and wipes/swaps
appropriate for optical fiber, such as Sticklers Fiber Optic Cleaner or similar
(https://sticklers.microcare.com/products/product/sticklers-fiber-optic-cleaner/).
Replacing the Transmitter Battery
The transmitter battery is field replaceable. See the instructions provided with the replacement
battery.
Calibration Interval
The recommended calibration interval is one year. A performance verification procedure is
included in this manual. The complete performance verification should be performed as the first
step of annual calibration. If necessary, the transmitter can be adjusted to better match the
characteristics of the demodulating receiver, see p.26.
Service Strategy
The HVFO103 probe utilizes fine-pitch surface mount devices. Apart from replacing the battery,
it is impractical to attempt repair in the field. Defective probes must be returned to a Teledyne
LeCroy service facility for diagnosis and exchange.
CAUTION: Refer all servicing to qualified personnel. A defective probe under warranty
will be replaced with a factory refurbished probe.
Probes not under warranty can be exchanged for a factory refurbished probe for a modest fee.
Replacement probes are factory repaired, inspected, and calibrated to the same standards as a
new product. You must return the defective probe in order to receive credit for the probe core.
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