ZZ Resistivity Imaging Pty. Ltd.
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ZZModel 128 -Universal Full-Channel Resistivity/IP Meter

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General - Five different versions: U128-MN(4 electrodes), U128-32(32 electrodes), U128-64(64 electrodes), U128-96(96 electrodes), and U128-128(128 electrodes).  Easy upgrade. Measurment variables: Resistivity, IP and SP. Measurement range: From -10V to +10V. SP compensation: Automatic cancellation. Resistivity cycle times: From 0.1S to 10S. Automatic multi-electrodes: Yes. Data samping rate: 100KHZ. Data storage: Unlimited. Data transmission: USB. Power supply: External 12V battery. Operating temperature: -20 to +70 oC. Operating Humidity: 98% RH. Weight: 9 kg. Dimension: 420x 360 x 200mm. Built-in GPS: Optional.

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Transmitter:

  • Power: 500W
  • Current: Up to 3A
  • Accuracy: Better than 0.2%
  • AB Voltage option : 100, 200, 300, …,900Vp-p

Receiver: 

  • Electrodes: Up to 128
  • Channels: Full-channel  or  up to 128 channels
  • Accuracy: Within 0.1%
  • Input impedance: > 107 Ohm.m
  • Input voltage protection: 450V
  • AD resolution: 24 bits
  • Noise suppresion: Better than 100 dB, automatically suppresses powerline noise