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Products >Audio>Tools
Part #: ZM-104

TOA Impedance Meter, use to troubleshoot 25 & 70 volt paging speaker lines. Figure actual wattage draw on amplifier. Finding a short or an 8 ohm speaker in the line is a frustrating ordeal without this unit. A must have tool for commercial paging installation and service.

  • Measures impedance of speaker lines up to 100k ohms
  • Batteries: four (AA)
  • Zero adjustment for accuracy on all ranges
  • Easy to read meter calibrates directly in ohms
  • Includes carrying case, test leads and impedance to power reference chart
  • Five year warranty

Spec sheet (PDF) Z-Meter impedance to power conversion chart (PDF) Review of TOA ZM-104 and applications for using the Z-meter (PDF)

Availability: Available For Order

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