AEMC 3731 CALIBRATION and AEMC 3731 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 3731 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   AEMC 3731 (2117.61)   Description / Specification:   Spec Sheet 
AEMC 3731 Clamp-On Ground Resistance Tester

The AEMC 3731 Clamp-on Ground Resistance Tester measures ground rod and small grid resistance through any season, without the use of auxiliary ground rods. Check Resistance on Single and Multiple Rods or Grids. Clamp-on Ground Resistance Testers are used in multi-grounded systems without disconnecting the ground under test. The AEMC 3731 simply clamps around the ground conductor or rod and measures the resistance to ground. By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and continuity of grounding loops around pads and buildings may also be measured. The Model 3731 also provides alarm and memory functions. Specifications. Ground Resistance Measurement Range: Autoranging 0.01 to 1200 ohm. Ground Resistance Resolution: 0.01 ohm (0.1 to 1.0 ohm), 0.1 ohm (1.0 to 50.0 ohm), 0.5 ohm (50.0 to 100.0 ohm), 1 ohm (100 to 200 ohm), 5 ohm (200 to 400 ohm), 10 ohm (400 to 600 ohm), 50 ohm (600 to 1200 ohm). Ground Resistance Accuracy: ± (2% + 0.02 ohm) (0.1 to 1.0 ohm), ± (1.5% + 0.1 ohm) (1.0 to 50.0 ohm), ± (2.0% + 0.5 ohm) (50.0 to 100.0 ohm), ± (3.0% + 1 ohm) (100 to 200 ohm), ± (6.0% + 5 ohm)(200 to 400 ohm), ± (10% + 10 ohm) (400 to 600 ohm), 25% of Reading ±50 ohm (600 to 1200 ohm). Resistance Measurement Frequency: 2403 Hz. Ground or Leakage Current: Autoranging 1 mA to 30.00 Arms. Current Measurement Frequency: 47 to 800 Hz. Current Overload: OL displayed above 29.99 Arms.



 

Standard Calibration $245.00 *
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*This is a Web introductory price for one calibration of the AEMC 3731. 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.

dBm
dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). Zero dBm equals one milliwatt. A 3 dB increase represents roughly doubling the power, a 3 dB decrease, the power is reduced by about one half.

Millimeter-wave
Millimeter-wave is a term that generally refers to frequencies of 26.5 GHz and above. That is where signal wavelengths fall below approximately 10 mm, and thus the terminology changes from centimeters to millimeters.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Stability
Stability is the extent to which a specified property, characteristic, or parameter of a substance, device, or apparatus, remains fixed with the passage of time or with varying environmental conditions.

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