AEMC 4620 CALIBRATION and AEMC 4620 REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the AEMC 4620 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   AEMC 4620 (2130.43)   Description / Specification:   Spec Sheet 
AEMC 4620 4-Point Ground Resistance Tester

The AEMC 4620 4-Point Ground Resistance Tester performs ground resistance and soil resistivity tests. This direct reading testers measures from 0 to 2000 ohm, and is auto-ranging, so it automatically seeks outs the optimum measurement range. The Model 4620 is rugged, easy-to-use and is ideal for maintenance crews performing numerous tests. It exceeds mechanical and safety specifications for shock, vibration and drop tests called out in IEC standards. It is designed to reject high levels of interference, so it can be used under difficult conditions such as high stray currents that normally affect accuracy. Applications; Three-Point measurements of resistance to ground of ground rods and grids. Four-Point tests or soil resistivity measurements. Touch potential measurements, an alternative to 3-Point tests in evaluating electrical safety. Specifications. Measurement Ranges: Auto-ranging 0 to 2000 ohm. Resistance Resolution: 10 m-ohm (20 ohm), 100 m-ohm (200 ohm), 1 ohm (2000 ohm). Resistance Accuracy: 2% of Reading ± 1ct (20, 200 ohm), 5% of Reading ± 3cts (2000 ohm). Operating Frequency: 128 Hz square wave. Response Time: Approximately four to eight seconds for a stabilized measurement. Withstanding Voltage: 250 Vac or 100 Vdc.



 

Standard Calibration $285.00 *
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*This is a Web introductory price for one calibration of the AEMC 4620. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Available Gain
Available Gain is the ratio, at a specific frequency, of power available from the output to the power in from the source.

Decibel (dB)
A unit of measurement of power which indicates relative power. A -10 dB means a reduction in power by 10 times, -20 dB means another 10 times or 100 times overall, -30 means another 10 times or 1000 times overall and so on.

Mismatch Uncertainty
Mismatch Uncertainty is caused by re-reflections between one device (the source) and the device that follows it (the load).

Pulse Power
Pulse Power, the energy transfer rate is averaged over the pulse width. Pulse width is considered to be the time between the 50 percent risetime/falltime amplitude points. Pulse power averages out any aberrations in the pulse envelope such as overshoot or ringing.

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