BIMETALLIC AMMETERS WITH MAXIMAL CURRENT INDICATOR
$131.42
BIMETALLIC AMMETERS WITH MAXIMAL CURRENT INDICATOR
COMBINED MAX DEMAND AND MOVING-IRON AMMETERS (WITH INTERCHANGEABLE SCALES)
Bimetallic and combined ammeters are especially intended for thermal monitoring of transformers, cables and other electrical devices which have a slow reaction to current changes.
MANUFACTURER: LUMEL
MODEL: BE 27
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Description
BIMETALLIC AMMETERS WITH MAXIMAL CURRENT INDICATOR
Bimetallic and combined ammeters are especially intended for thermal monitoring of transformers, cables and other electrical devices which have a slow reaction to current changes. They indicate the mean rms current value during the measuring period of the meter (8 or 15 min.). These meters do not react to short current pulses essentially. The range of these meters can be enlarged by means of external measuring current transformers which are also offered by LUMEL and can be delivered on request if the meter is ordered in the option enabling a direct assembling on the current transformer.
Maximum ammeters – BA and BE series are destined to measure the averaging RMS value of a a.c. current, in a 8 or 15 minutes’ period.
An additional red pointer, displaced by the black pointer, shows the maximal current value which occurred from the last zeroing of the meter indication.
The applied bimetal movement is especially useful when measuring the load in power line, of generators, electrical motors and others, where important momentary changes of load occur.
