All equipment shown is refurbished.

Hioki 3145-20 PRO

Item# 3
Regular price: $5,190.00
Sale price: $5,190.00

Product Description


Noise HiLogger with 9754 Clamp

Electrical noise interference is a major cause of trouble with electronic device such as damage malfunctions and communications disruptions. Model 3145-20 is an on-site noise measurement instrument designed to measure the conducted noise that appears on power earthing and telecom lines resulting from ingress of radiated noise. Using the 3145-20 can shorten the time required for noise investigation and development of countermeasures suppression.

By employing a non-contact noise sensor investigation of noise affecting electronic devices can be performed simply in the active state. The instrument simultaneously displays the noise levels in multiple contiguous frequency bands and a peak detection function can be used to reliably capture one-shot noise surges such as from lightning contact switching and ESD. By recording and displaying noise measurements as a time series the timing and other characteristics of the noise can be seen at a glance.

Advanced Features
  • Lightweight and compact for easy on-site noise investigations
    Until now large and expensive measurement instruments were required for noise analysis making on-site noise investigations often problematic. Model 3145-20 is a small lightweight instrument dedicated to noise measurement and especially suitable for on-site noise investigations.
  • Non-contact noise sensor
    The non-contact noise sensor eliminates the need to worry about electric shock or communications disruption even when measuring noise on active power telecom and earth lines.
  • Measurement frequency range corresponds to most radiated electromagnetic noise
    The 3145-20 measures noise over the broad range of 10 kHz to 100 MHz so it is able to measure a wide variety of noise.
  • Noise levels displayed on a large LCD
    Detected noise is separated into seven contiguous bands each of which is displayed simultaneously in a bar graph so you can see the nature of the noise at a glance.
  • One-Shot noise detection
    One-shot noise such as surges and ESD noise which are hard to detect with a spectrum analyzer or digital oscilloscope are reliably captured by the peak detection function.
  • Capable of measuring earth line noise
    Because the HiLOGGER measures noise current noise on earth lines that had been difficult to measure can now be measured easily.
  • Records noise level fluctuations over time
    The HiLOGGER records and displays fluctuations of noise over time in seven frequency bands ideal for long-term noise monitoring and investigating times of event occurrence. It can also monitor unpredictable noise events. Noise fluctuations over time can be displayed as a time-series graph on the instrument's LCD.
  • Alarm function
    An alarm sounds when the noise level exceeds a specified threshold. Alarm occurrence levels and times are automatically recorded so the dates and times of rare and unpredictable noise interference events are revealed.
  • Network connection
    A LAN terminal is included for connection to an intranet or to the Internet. Remote control of the instrument and measurement monitoring can be performed using a Web browser such as Internet Explorer. In addition alarm notifications can be sent by e-mail.
  • Bundled PC application program
    Noise measurement data recorded on the 3145-20 can be viewed on a personal computer. Additional program capabilities include a search function for finding measurement data according to specified criteria time-series graph printing and CSV format conversion.

For more information on the Hioki 3145-20 PRO please visit Test Equipment Connection