TOA ZM104A Portable Impedance Meter

The ZM-104A Impedance Meter can measure the impedance of speaker lines easily, in the same manner as a circuit tester measures resistance. Requires four AA batteries.

Includes:

• Accessory Test leads —1 set
• Carrying case
• Impedance to power reference chart

Features:

• High-quality unidirectional stereo condenser microphones that can record in A-B and X-Y positions
• XLR / TRS inputs compatible with +4dBu line level / +48V
• 4-channel mode that can be used for dual recording and nondestructive overdub recording, etc.
• Functions as a 2-in / 2-out USB Audio Interface for Mac, PC or iOS recording
• Dictation mode designed for human voice recording and transcription
• Long-time operation of maximum 18 hours is possible using just the internal batteries
• Low-cut filter with three levels (40 / 80 / 120Hz)
• Speed change (VSA) function for adjusting the speed from 0.5 to 2.0 times (in 0.1 increments)
• Loop / repeat playback function that is convention for practicing music and studying languages
• QUICK menu button for easy access to various functions
• High-quality 24-bit / 96kHz WAV / BWF linear PCM and MP3
• SD / SDHC / SDXC (up to 128GB) can be used for recording media
• Playlist function
• A chromatic tuner is equipped which is helpful for practicing musical instruments
• Stereo mini line output / Headphone output connector
• Powered by 4 AA batteries, USB bus power, or optional AC adapter (PS-P520E)
• Rubber feet for improving acoustic properties during desktop recordings are included
• Tripod attachment screw-hole built in to the unit

Specifications:

• Power Source: R6 X 4 (1.5VDC X 4)
• Current Consumption: 39mA
• Reading Direct reading meter, unit: 0
• Measurement Range X 1 range: 5Ω — 1kΩ
• X 10 range: 50Ω — 10kΩ
• X 100 range: 500Ω — 100kΩ
• Accuracy: +/- 10%
• Oscillation Frequency: 1kHz, +/- 0%
• Battery Life:
  • When X 1 range: 30hrs
  • Continuously Used X 10 range and X 100 range: 60hrs
• Operating Temperature —5°C to + 40°C (23°F to 104°F)
• Dimensions:
  • 120mm (W) X 220mm (H) X 63mm (D) (4.72″ X 8.66″ X 2.48″) (carrying case)
  • 110mm (W) X 180m (H) X 58m (D) (4.33″ X 7.09″ X 2.28″) (unit only)
• Finish: ABS resin, block
• Weight: 700g (1.54lbs) (including carrying case, without batteries)
• Measurement Category: CAT I