NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
| Model | Cat. # | Description | List Price | Quantity/Status | Distributor Stock Check |
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| 6422 | 2135.55 | Ground Resistance Tester Model 6422 (Digital, 3-Point) | $640.00 | In stock at factory. Find a Distributor |
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| 6422 Kit-150ft | 2135.56 | Ground Resistance Tester Model 6422 Kit-150 ft (Digital, 3-Point) | $1,240.00 | Consult Factory for Availability |
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Model 6422 - Cat. #2135.55: Includes carrying bag, (6) AA alkaline batteries (not installed) and user manual.
Model 6422 Kit (150 ft) - Cat. #2135.56: (Ground Resistance Tester Model 6422 and Test Kit For 3-Point Testing cat. #2135.35.) Includes carrying Bag, (2) 150 ft color-coded leads on spools (red/blue), (1) 30 ft lead (green), (2) 5 ft color-coded leads (red/blue), (2) 14.5 in T-shaped Auxiliary Ground Electrodes, (1) 100 ft AEMC® Instruments Tape Measure, (6) AA alkaline batteries (not installed) and user manual.
| Ground Resistance (2P Mode) | ||||
| Measurement Range | (0.05-99.99) Ω | (80.0-999.9) Ω | (0.800-9.999) kΩ | (8.00-50.00) kΩ |
| Resolution | 0.01 Ω | 0.1 Ω | 1 Ω | 0 Ω |
| Intrinsic Uncertainty | ± (2 % R + 10 ct) | ± (2 % R + 2 ct) | ±(2 % R + 1 ct) | ±(2 % R + 1 ct) |
| Ground Resistance (3P Mode) | ||||
| Measurement Range | (0.50-99.99) Ω | (80.00-999.99) Ω | (0.800-2.000) kΩ | – |
| Resolution | 0.01 Ω | 0.1 Ω | 1 Ω | – |
| Intrinsic Uncertainty | ± (1 % R + 10 ct) | ± (1 % R + 2 ct) | ± (1 % R + 1 ct) | – |
| Measurement Frequency | 128 Hz or 256 Hz (automatically selected) | |||
| No-load Voltage | ±10 V peak | |||
| Maximum Test Current | 20 mA | |||
| Measurement Mode | One shot or continuous | |||
| GENERAL | ||||
| Display | Backlit LCD | |||
| Measurement Mode | 2P (Ω), 3P (Ω) | |||
| Power Supply | (6) AA Alkaline batteries | |||
| Battery Life | > 2,000 x 3P earth measurements at 100 Ω | |||
| Dimensions | (8.78 x 4.96 x 2.75) in (223 x 126 x 70) mm | |||
| SAFETY | ||||
| Safety Ratings | EMC: IEC 61326-1; IEC 61010-2-030 / 600 V CAT IV | |||
User Manuals
Models 6422 and 6424 - English
Models 6422 and 6424 - 5000.92 - Calibration Checker
Battery Recharge Time / Rechargeable NiMH Notice
Datasheets
Model 6422 (Digital, 3-Point) - English
Model 6422 Kit - 150ft (Digital, 3-Point) - English
Modelo 6422 (digital, 3 puntos) - Español
Kit del medidor de resistencia de tierra modelo 6422 - 45 m (150 pies) (digital, 3 puntos) - Español
Brochures
Ground Resistance Testers Models 6422 and 6424 - English
Ground Resistance Testers Brochure
AEMC® Instruments Product Line Brochure
AEMC® Instruments Product Line Brochure (FR CAN)
Comparison Charts
Application Notes
Tiempo de recarga de las baterías / Aviso de NiMH recargable
App-Touch-Step-Potential
App-Touch-Step-Potential_Español
Why Measure Soil Resistivity?
Choosing a Ground Tester
Workbooks
Forms
Fall-of-Potential Field Report - PDF
Fall-of-Potential Report - Excel
Soil Resistivity Made Easy - PDF
Ground Testing Nomograph - PDF
Ground Testing Nomograph Example
Stored Measurement Results Form
Soil Resitivity Report - Excel
Slope Method Calculation - Automated way of calculating the S electrode placement when using the slope method.
Calculators
Grounding Electrode Resistance Calculator
Grounding Calculations and Charts - Excel
Slope Method Calculation - Automated way of calculating the S electrode placement when using the slope method
Technical Bulletins
Applications - Graphic Illustrations
Videos
Choosing the Right Ground Resistance Tester
Understanding Ground Resistance Testing
Reel Accessories to Save You Time
| Model | Cat. # | Description | List Price | Quantity/Status | Distributor Stock Check |
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2119.82 | Multi-purpose Large Canvas Bag Dimensions: (22 x 10.5 x 12) in |
$166.00 |
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2126.71 | Case - Replacement Carrying Case for Models 3620, 3640, 4600, 4610, AN1, 1210,1250, 6501 & 6503, 6422 & 6424 (Meter only) | $37.75 |
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2135.35 | Ground Resistance Test Kit for 3-Point Testing - 150ft Test Kit for 3-Point Testing, Kit (Carrying Bag, [2] 150 ft Color-coded Leads on Spools (Red/Blue), [1] 30 ft Lead (Green), [2] 5 ft Color-coded Leads (Red/Blue), [2] 14.5" T-shaped Auxiliary Ground Electrodes, [1] Set of 5, Spaded Lugs and [1] 100 ft AEMC® Tape Measure) | $595.00 |
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2135.39 | Set of 2, 14.5" T-shaped Ground Rods for use with all Ground Testers (except clamp-ons) | $49.00 |
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5000.04 | Red replacement wire (150 ft) on reel for ground resistance tester kits (models 3620, 3640, 4620, 4630, 6422 & 6424) | $154.00 |
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5000.07 | Blue replacement wire (150 ft) on reel for ground resistance tester kits (models 3620, 3640, 4620, 4630, 6422 & 6424) | $154.00 |
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5000.18 | Empty replacement reel for ground kits (holds up to 500ft of wire) Outer Ø: 7.5" - Inner Ø: 3.75" - Width: 4.56" | $23.25 | Consult Factory for Availability | |
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5000.92 | 5000.92 - Calibration Checker for Ground Tester Models 6422 & 6424 | $88.00 |
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