For example: Agilent E4440A or Anritsu 68369
- Test and measurement equipment
- Analyzer
- Guildline
- Guildline ZM1
The ZM1 measures the impedance of loudspeakers and entire distributed loudspeaker systems as well as individual components (resistors, capacitors, inductors). It will also calculate the wattage that will be produced on an installed loudspeaker system.
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Guildline ZM1 Overview
Test Frequencies 100Hz, 330Hz, 1kHz, 10kHz Voltage Ranges 25Vac - Some USA public schools and institutions 50Vac - International 70Vac - USA Industrial Standard 100Vac - International Impedance Measurement Ranges 0 - 199.9 ohms 0 - 1999 ohms 0 - 19.99k ohms Wattage Measurement Ranges 0 - 19.99 watts 0 - 199.9 watts 0 - 1999 watts Accuracy (typical) ZM1 / ZM1P - Impedance ± 2% / Wattage ± 3% ZM2N - Impedance ± 1% / Wattage ± 2% Connectors All Models: Load / Output - Banana Jacks ZM2N Only: Tone / Line Input - ¼" Phone TS 10Kohm Display 3½ Digit LCD with Battery Low Indicator Test Tone ZM1 - Not available ZM1P - 400mv (-6dBu) ZM2N - 70Vac rms Nominal Power Requirements ZM1 / ZM1P - Eight "AA" Alkaline Batteries. ZM2N - Sixteen "AA" Alkaline, Nicad or Nickel-Metal Hydride Batteries or 115VAC. Also available in 220VAC* configuration. * Order 220VAC as ZM2N.2 Expected Battery Life ZM1 / ZM1P - Impedance Mode - 35 hours continuous ZM2N - Impedance Mode - 70 hours continuous ZM1 / ZM1P - Calculated Watts Mode - 23 hours continuous ZM2N - Calculated Watts Mode - 50 hours continuous Approvals: - ZM1, ZM1P, ZM2N Emissions: - EN 55022 B - FCC Class B Immunity: - EN 55024 B Size ZM1 / ZM1P - (W x H x D) 3¼ x 8 x 2¼ ZM2N - (W x H x D) 10¼ x 5 x 9½ Weight ZM1 / ZM1P - 12 oz. ZM2N - 5 lbs. Case Material ZM1 / ZM1P - High Impact ABS ZM2N - Fiberglass Reinforced ABS