Manual      
ZM1 Speaker Watts Calculator
 
 
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.
 
Specifications
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): Impedance ± 2% / Wattage ± 3%
Connectors: Load / Output - Banana Jacks
Display: 3½ Digit LCD with Battery Low Indicator
Power Requirements: Eight "AA" Alkaline Batteries.
Expected Battery Life: Impedance Mode - 35 hours continuous
Calculated Watts Mode - 23 hours continuous
Size (W x H x D):  3¼ x 8 x 2¼
Weight: 12 oz.
Case Material: High Impact ABS
Manual: NL, GB, FR
Approvals: CE, RoHS and WEEE
Emissions: - EN 55022 B - FCC Class B
Immunity: - EN 55024 B
Manual