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Demonstration Meter/Interchangeable Scale
Ideal for
class-room or group demonstration. Moving coil type, 30´15´30cm, with
spring control and magnetic damping. Basic movement of meter calibrated
to 5mA, 100mV. Long, pointer needle, with thick arrow-head for clear
visibility from a distance, moves on hardened and polished steel pivots
and jeweled bearings. Mounted in sturdy, plastic frame with transparent
front & back windows. One side of frame has color-coded, 4mm socket
terminals for electrical connection, and a slot for inserting or
removing scales; other side has zero-adjustment knob, and knob for
locking pointer needle. Interchangeable scales of different ranges
(center zero as well as left zero) for measuring AC & DC voltage
and current values. Scales are printed on both sides facilitating group
observation. Complete plastic body.
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