Models 375 (Including Series One), 375/1, 375/2 & 375/4 Section 6
Ludlum Measurements, Inc. Page 6-1 May 2017
Safety Considerations
Environmental Conditions for Normal Use
Indoor use only
No maximum altitude
Temperature range of -15 to 50 °C (5 to 122 °F); may be certified for
operation from -40 °C (-40 °F)
Maximum relative humidity of less than 95% (non-condensing)
Mains supply voltage range of 100-240 Vac ,
50/60Hz single phase (less than 100 mA typical, 1 amp max) to wall-
mounted DC adapter supplying 9-12 Vdc
Maximum transient voltage of 1500 Vac
Installation Category II (Overvoltage Category as defined by IEC 1010-1)
Pollution Degree 2 (as defined by IEC 664)
Cleaning Instructions and Precautions
The Model 375 may be cleaned externally with bleach wipes or with a damp
cloth, using water, Lysol or alcohol as a wetting agent. Do not immerse the
instrument in any liquid. Observe the following precautions when cleaning:
1. Turn the instrument OFF and disconnect the instrument power
cord.
2. Allow the instrument to sit for one minute before cleaning.
Sectio
6
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