Below are general answers on how to operate, maintain, and calibrate an ohmmeter from the list of GAO Tek’s Ohmmeters. To facilitate our customers to a selection of our products, we have further classified our ohmmeters by their features: automatic calibration, benchtop, dual range, four terminal measurement, handheld, high precision, micro, milli, data logging, rugged and wireless 

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Operating the Ohmmeter: 

Power On:

  • Ensure the GAO Tek ohmmeter is connected to a stable power source.
  • Turn on the instrument using the designated power switch.

Range Selection:

  • Set the appropriate measurement range on the GAO Tek ohmmeter based on the resistance values you expect.
  • This prevents overloading the instrument and ensures accurate readings. 

Connecting the Probes:

  • Connect the ohmmeter probes securely to the test points.
  • Ensure proper contact and that there are no loose connections that could affect measurement accuracy. 
  • Read and interpret the resistance value displayed on the GAO Tek ohmmeter.
  • Take note of any additional features or indicators that may be present on the instrument. 

 

Maintaining the Ohmmeter: 

Cleaning:

  • Regularly clean the ohmmeter’s probes and connections using a soft, dry cloth.
  • Avoid using abrasive materials that may scratch the instrument. 

Storage:

  • Store the GAO Tek ohmmeter in a dry and dust-free environment.
  • Use the provided protective case when the instrument is not in use to prevent damage. 

Battery Check:

  • If the ohmmeter is battery-powered, regularly check the battery status and replace batteries as needed to prevent interruptions during measurements. 

Calibration Check:

  • Periodically check the calibration of the ohmmeter.
  • If there are signs of inaccurate readings, perform a calibration adjustment or contact GAO Tek for calibration services. 

 

Calibrating the Ohmmeter: 

Frequency of Calibration:

  • Follow the recommended calibration schedule provided by GAO Tek.
  • Regular calibration ensures the accuracy and reliability of the ohmmeter’s measurements. 

Calibration Procedure:

  • To calibrate the GAO Tek ohmmeter, use a standard resistor of known value.
  • Connect the standard resistor to the ohmmeter and adjust the instrument’s settings to match the known resistance value.  

Verification:

  • After calibration, verify the ohmmeter’s accuracy by measuring known resistors with various values.
  • Compare the readings with the expected values to ensure alignment. 

Calibration Records:

  • Keep detailed records of all calibration procedures, including dates and results.
  • This documentation is essential for quality control and compliance purposes.