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Return Connection
The output power supplies of this instrument are referenced directly to earth
ground. Any conductor that completes a path between the high voltage and
earth ground will form a completed circuit.
When the instrument Return is grounded, any internal and external stray leakage will be
monitored due to currents that flow from High Voltage to earth ground (such as from HV to
the chassis of the instrument). This current is inherent and will cause errors when trying to
monitor very low leakage currents in the micoamp range.
2.2.4. Environmental Conditions
This equipment is intended for indoor use only. The equipment has been evaluated according
to Installation Category II and Pollution Degree 2 as specified in IEC 664.
This instrument may be operated in environments with the following limits:
Temperature… .................. 32° - 104° F (0° - 40°C)
Relative humidity… ........... 0 – 80%
Altitude… ......................... 6560 feet (2,000 meters)
Storage and Shipping Environment
This instrument may be stored or shipped in environments with the following limits:
Temperature… .................. -40° - 167° F (-40° - 75°C)
Altitude… ......................... 50,000 feet (15,240 meters)
The instrument should also be protected against temperature extremes that may cause
condensation within the instrument.
CAUTION
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