TOA ZM-104A impedance metre

 ZM-104A Voice Alarm Control Equipment
Model CodeZM-104A
Loudspeaker line supervision: Impedance measurementYes
Model Info

TOA ZM-104A impedance metre measures the impedance of speaker lines in the same manner as a circuit tester measures resistance.

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SourceEN54.EU, the comprehensive source for EN 54 certified voice alarm and public address systems & components.
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