User guide
M4000 Safety Features
1-24 72A-1230 Rev. F
July 22, 2005
6. The M4000 includes a safety strobe with a magnetic base that can be
placed on a grounded steel structure where it is visible to substation
personnel. The safety strobe is enabled and required to be connected when
running a test by default. Although this can be defeated in the process of
instrument configuration, this should be done only if the strobe is not
working and cannot be used.
7. During operation, an audible beep is heard whenever high voltage is being
applied. This beeper is enabled by default. Doble recommends the default,
although the beeper can be turned off as part of instrument configuration.
WARNING The M4000 Insulation Analyzer is heavy. The M4100 Instrument alone
weighs approximately 100 pounds (45 kg). Doble recommends that at
least two persons be used to move the M4100 in the field. Special care
must be taken in lifting the M4100 into or from a vehicle to avoid bodily
injury.