Amplifier GT500A

Purpose:
  • Receiving and amplification of signals from acoustic emission sensors to normalized values.
Features:
  • Can be used at long communication lines (up to 10 m) from sensor to amplifier.
  • Can operate on coaxial 50 Ohm line with a length of up to 100 m.
  • Switching amplification factor via RS-485 interface or by closing Kus contacts located under the amplifier cover (amp factor round-robin).
  • Low level of intrinsic noise.
  • Waterproof casing.
Check price with the manufacturer
Description
Documents
  • Parameter
    Value
  • Amplification factor
    20 ... 50 dB in 10 dB (Switchable via RS-485 interface or via a contact closure Kus, located under the cover of the amplifier)
  • Limits of basic error of amplification factor setting
    ± 2 %
  • Maximum output voltage (peak value) at nonlinear distortion factor < 5%, not lower than
    ± 2 V
  • Operating frequency range with attenuation on the boundaries -30%
    20 … 350 кHz
  • Input resistance (higher than)
    100 кОm
  • Acceptable additional relative error limits of conversion factor for charge in the operating temperature range - 40 ... + 85 °C
    ± 1 %
  • Cutoff frequency of the built-in low-pass filter (LPF) with decline in frequency response not less than 20 dB/octave and attenuation not greater than 1 dB
    20 кHz
  • Cutoff frequency of the built-in high-pass filter (HPF) with decline in frequency response not less than 20 dB/octave and attenuation not greater than 1 dB
    800 кHz
  • Load resistance (greater than)
    50 Оm
  • Powering mode
    + (24 ± 2) V
  • 35 mA
  • Root mean square value of the noise reduced to the input (not higher than)
    15 µV
  • Connector type
    input / output
  • Weight
    250 g
  • Optional accessories
    matching device AG09; power supply AS03
Wiring diagram GT500A
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