4640 Air Cooled
Precision DC Shunt Standard.
The 4640 range
of Air Cooled Precision DC Shunts offers good accuracy at low cost.
Available in four
resistance values and a range of Full Load operating currents from
50 Amperes to 1,000 Amperes. These instruments are
manufactured from selected Manganin, specially heat treated for low
temperature coefficient and long term stability. The instruments are
constructed using a non-metallic base board with the elements
protected by a mesh cover allowing good air flow to cool the
instrument.
