indicating type instrument
recording type instrument
integrating type instrument
indicating and recording type instrument
Ammeter
Wattmeter
Energy meter
Tangent galvanometer
deflecting instrument
indicating instrument
recording instrument
integrating instrument
high temperature co-efficient of expansion
low specific resistance
low resistance to fatigue
good magnetic property
if it is used in horizontal position only
if it is used in vertical position only
if it is used in an inclined position only
if it is used in an inclined and horizontal position