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 |
|---|---|---|---|---|---|
| 6424 | 2135.57 | Ground Resistance Tester Model 6424 (Digital, 3-Point) | $995.00 | In stock at factory. Find a Distributor |
|
|
||||||||||
Model 6424 - Cat. #2135.57: Includes carrying bag, (6) AA rechargeable NiMH batteries (not installed), USB to wall charger, 5 V, 2 A, USB charger cable and user manual.
Model 6424 Kit (150 ft) - Cat. #2135.58: (Ground Resistance Tester Model 6424 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, (6) AA rechargeable NiMH batteries (not installed), (1) 100 ft AEMC® Instruments tape measure and user manual.
Model 6424 Kit (300 ft) - Cat. #2135.59: (Ground Resistance Tester Model 6424 and Test Kit for 3-Point Testing cat. #2135.36) Includes carrying bag, (2) 300 ft color-coded leads on spools (red/blue), (2) 100 ft color-coded leads (hand tied, green/black), (2) 5 ft color-coded leads (red/blue), (4) 14.5 in T-shaped auxiliary ground electrodes, (6) AA rechargeable NiMH batteries (not installed), (1) 100 ft AEMC® Instruments tape measure, 5 V, 2 A, USB charger cable, USB to wall charger, and user manual.
| ELECTRICAL | ||||
| Voltage | ||||
| Range | 0.1-600VAC/DC | |||
| Resolution | 0.1V | |||
| Accuracy | ±(1%R + 1ct) | |||
| Current | ||||
| Range | 0.5-60.00AAC (requires optional MN72 probe) | |||
| Ground Resistance (2P Mode) | ||||
| Measurement Range | 0.05-99.99Ω | 80.0-999.9Ω | 0.800-9.999kΩ | 8.00-50.00kΩ |
| Resolution | 0.01Ω | 0.1Ω | 1Ω | 0Ω |
| Intrinsic Uncertainty | ± (2%R + 10 ct) | ± (2%R + 2 ct) | ±(2%R + 1 ct) | ±(2%R + 1 ct) |
| Ground Resistance (3P Mode) | ||||
| Measurement Range | 0.50-99.99Ω | 80.00-999.99Ω | 0.800-9.999kΩ | 8.00-50.000kΩ |
| Resolution | 0.01Ω | 0.1Ω | 1Ω | 10Ω |
| Intrinsic Uncertainty | ± (1%R + 10ct) | ± (1%R + 2ct) | ± (1%R + 1ct) | |
| Measurement Frequency | 128Hz or 256Hz (automatically selected) | |||
| No-load Voltage | ±10 V peak | |||
| Maximum Test Current | 20mA | |||
| Measurement Mode | One shot or continuous | |||
| Data Storage | Stores the 52%, 62% and 72% 3P resistance measurements | |||
| Calculation | Calculates average and % deviation of the three saved readings | |||
| GENERAL | ||||
| Display | Backlit LCD | |||
| Measurement Mode | V, I, 2P (Ω), 3P (Ω) | |||
| Power Supply | (6) NiMH rechargeable batteries,charging time approx. 6 hrs | |||
| Battery Life | >1,500 x 3P earth measurements at 100 Ω | |||
| Dimensions | 8.78 x 4.96 x 2.75" (223 x 126 x 70mm) | |||
| SAFETY | ||||
| Safety Ratings | EMC: IEC 61326-1; IEC 61010-2-030 / 600 V CAT IV | |||
User Manuals
Datasheets
Model 6424 - English
Model 6424 Kit 300ft (Digital, 3-Point) - English
Model 6424 Kit 150ft (Digital, 3-Point) - English
Modelo 6424 - Español
Kit del medidor de resistencia de tierra modelo 6424 - 90 m (300 pies) (digital, 3 puntos) - Español
Kit del medidor de resistencia de tierra modelo 6424 - 45 m (150 pies) (digital, 3 puntos) - Español
Brochures
Ground Resistance Testers Models 6422 and 6424 - English
Ground Resistance Testers Brochure
Lightning Protection
AEMC® Instruments Product Line Brochure
AEMC® Instruments Product Line Brochure (FR CAN)
Comparison Charts
Application Notes
App-Touch-Step-Potential
App-Touch-Step-Potential_Español
Why Measure Soil Resistivity?
Choosing a Ground Tester
Workbooks
Forms
Fall-of-Potential Report - Excel
Stored Measurement Results Form
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
Three Measurement Method
Technical Bulletins
Videos
Choosing the Right Ground Resistance Tester
Understanding Ground Resistance Testing
| Model | Cat. # | Description | List Price | Quantity/Status | Distributor Stock Check |
|---|---|---|---|---|---|
|
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 |
|
|
|
2135.36 | Ground Resistance Test Kit for 4-Point Testing - 300ft Test Kit for 4-Point Testing, Kit (Carrying Bag, [2] 300 ft Color-coded Leads on Spools (Red/Blue), [2] 100 ft Color-coded Leads (hand tied-Green/Black), [2] 5 ft Color-coded Leads (Red/Blue), [4] 14.5" T-shaped Auxiliary Ground Electrodes, [1] Set of 5, Spaded Lugs and [1] 100 ft AEMC® Tape Measure) | $760.00 |
|
|
|
2135.93 | Cable - Replacement USB charger cable w/ wall plug for model 6424 | $39.50 |
|
|
MN72
|
2153.06 | AC Current Probe Model MN72 | $320.00 |
|
|
|
5000.05 | Blue replacement wire (500 ft) on reel for ground resistance tester kits (models 4620, 4630, 6470-B, 6471 & 6472) | $229.00 | Consult Factory for Availability | |
|
5000.07 | Blue replacement wire (150 ft) on reel for ground resistance tester kits (models 3620, 3640, 4620, 4630, 6422 & 6424) | $154.00 |
|
|
|
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 |
|
|
|
5000.92 | 5000.92 - Calibration Checker for Ground Tester Models 6422 & 6424 | $88.00 |
|
|
||||||||||
|
||||||||||
|
||||||||||
|
||||||||||
|
||||||||||
|
||||||||||
|
||||||||||
|
||||||||||
