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Analog ground resistance tester for those who prefer analog over digital. Available as a stand-alone unit or in a ground testing kit with ground rods, cables and measure tape.
Analog ground resistance tester for those who prefer analog over digital. Available as a stand-alone unit or in a ground testing kit with ground rods, cables and measure tape.
Discontinued!
This product has been discontinued and is no longer available. There is no direct replacement. Don't worry, we have some options to help you find what you need:
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Features
The AEMC 3620 Analog Ground Resistance Tester performs ground resistance measurement from 0.5 to 1000Ω with speed and accuracy. The Model 3620 features three-terminal operation for fall-of-potential earth/ground resistance, and may also be used for 2-Point tests.
The large 3.1" logarithmic scale is easy to read, with a separate marking for 25Ω. A large Press-to-Measure button allows for easy measurements. A manual zero adjust is provided for accurate readings. Color-coded terminals are easy-to-use banana plug inputs and binding posts.
Applications
The 3620 Ground Resistance Tester is the ideal instrument for electrical contractors, power utilities, REAs, telephone and CATV technicians, and inspectors who must check ground to determine compliance with NEC, OSHA and other specifications. Applications include:
| Measurement Range | |
| Range | 0.5 to 1000Ω |
| Measurement Range | 25Ω |
| Resolution | 10mΩ |
| Test Current | 10mA |
| Accuracy in % of Reading | 5% + 0.1% of galvanometer scale length |
| Auxiliary Electrode Influence | Rz: 3000 times the reading up to 50kΩ, Ry: 50kΩ |
| Accuracy Reference Conditions | 23°C ±3K, 50% RH ±10%, battery at 8V ±0.2V, externa; magnetic field |
| Resistance Measurement Frequency | 128Hz square wave |
| Voltage Withstand | 250Vrms with spikes of 3000VAC or 1000VDC |
| Power Source | Eight 1.5V "AA" Alkaline batteries |
| Battery Life | 1680 fifteen-second tests (approximately) |
| Fuse Protection | High breaking capacity 0.1A, 250V, 0.25" x 1.25" |
| Mechanical Specifications | |
| Display | Analog pivot movement |
| Connection | Color-coded terminals accept spade lugs with minimum gap of 6 mm or standard 4mm banana jacks |
| Scale | 3.1" (77mm) white scale with black pointer; one scale per range |
| Operating Temperature | 14 to 131°F (-10 to 55°C) |
| Storage Temperature | -40 to 158°F (-40 to 70°C), 0 to 90% RH with batteries removed Temperature Influence 5% per 10°C |
| Relative Humidity | 20 to 90% maximum |
| Dimensions | 8.7 x 5.4 x 5.9" (220 x 136 x 150mm) |
| Weight | 2 lb (1.3kg) |
| Case | Heavy-duty, ABS |
| Colors | Case: safety yellow; Front panel: gray |
| Mechanical Shock | IEC 68-2-27 |
| Vibration Test | IEC 68-2-6 |
| Drop Test | IEC 68-2-32 |
| Environmental | O-ring sealed against dust and water to IP50 |
| Safety Reference Specifications | |
| Safety Ratings | IEC 1010-1 Cat III Pollution Degree 2, 24V |
| Agency Approvals | |
| Emission | EN 50081-1; |
| Immunity | EN 50082-1 |
Click on a category to view a selection of compatible accessories with the AEMC 3620 Analog Ground Resistance Testers.
| Measurement Range | |
| Range | 0.5 to 1000Ω |
| Measurement Range | 25Ω |
| Resolution | 10mΩ |
| Test Current | 10mA |
| Accuracy in % of Reading | 5% + 0.1% of galvanometer scale length |
| Auxiliary Electrode Influence | Rz: 3000 times the reading up to 50kΩ, Ry: 50kΩ |
| Accuracy Reference Conditions | 23°C ±3K, 50% RH ±10%, battery at 8V ±0.2V, externa; magnetic field |
| Resistance Measurement Frequency | 128Hz square wave |
| Voltage Withstand | 250Vrms with spikes of 3000VAC or 1000VDC |
| Power Source | Eight 1.5V "AA" Alkaline batteries |
| Battery Life | 1680 fifteen-second tests (approximately) |
| Fuse Protection | High breaking capacity 0.1A, 250V, 0.25" x 1.25" |
| Mechanical Specifications | |
| Display | Analog pivot movement |
| Connection | Color-coded terminals accept spade lugs with minimum gap of 6 mm or standard 4mm banana jacks |
| Scale | 3.1" (77mm) white scale with black pointer; one scale per range |
| Operating Temperature | 14 to 131°F (-10 to 55°C) |
| Storage Temperature | -40 to 158°F (-40 to 70°C), 0 to 90% RH with batteries removed Temperature Influence 5% per 10°C |
| Relative Humidity | 20 to 90% maximum |
| Dimensions | 8.7 x 5.4 x 5.9" (220 x 136 x 150mm) |
| Weight | 2 lb (1.3kg) |
| Case | Heavy-duty, ABS |
| Colors | Case: safety yellow; Front panel: gray |
| Mechanical Shock | IEC 68-2-27 |
| Vibration Test | IEC 68-2-6 |
| Drop Test | IEC 68-2-32 |
| Environmental | O-ring sealed against dust and water to IP50 |
| Safety Reference Specifications | |
| Safety Ratings | IEC 1010-1 Cat III Pollution Degree 2, 24V |
| Agency Approvals | |
| Emission | EN 50081-1; |
| Immunity | EN 50082-1 |
Click on a category to view a selection of compatible accessories with the AEMC 3620 Analog Ground Resistance Testers.
