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The Ground Resistance Tester Model 6416 measures ground rod and grid resistance and impedance without the use of auxiliary rods. Clamp-on ground resistance testers can be used in multi-grounded systems without disconnecting or de-energizing the ground system under test.
The Model 6416 simply clamps around the grounding electrode or conductor 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.
Key Features |
Ground Integrity Measurement |
Ground voltage indication (warns of possible unsafe conditions) |
Large multi-function bright yellow organic LED display (OLED) |
Selectable test frequency (improves accuracy in inductive environments) |
Clamping diameter of 1.37" (35mm) with large jaw design |
Storage of measurements (Ω and/or A, with time-stamping) |
Model 6416: up to 300 measurements stored |
Auto Power OFF function |
Alarm function with adjustable set point and buzzer for quick field checks for volts, amps and ohms |
Rugged Lexan head and body construction resists breakage |
Alarm settings and stored memory information saved during shutdown |
Noise icon and buzzer alert user to presence of dangerous voltage and current levels |
Specifications | ||
Ground Resistance Tester Model 6416 | ||
Features | ||
Ground Resistance Measurement (Auto-Ranging 1 to 199Ω) | ||
Measurement Range | Resolution | Accuracy |
0.010 to 0.099Ω | 0.001Ω | ±(1.5%Reading +0.01Ω) |
0.10 to 0.99Ω | 0.01Ω | ±(1.5%Reading +0.02Ω) |
1 to 49.9Ω | 0.1Ω | ±(1.5% Reading +0.1Ω) |
50.0 to 99.5Ω | 0.5Ω | ±(2% Reading +0.5Ω) |
100 to 199Ω | 1Ω | ±(3% Reading +1Ω) |
200 to 395Ω | 5Ω | ±(5% Reading +5Ω) |
400 to 590Ω | 10Ω | ±(10% Reading +10Ω) |
600 to 1150Ω | 50Ω | 20% approx |
1200 to 1500Ω | 50Ω | 25% approx |
Alarm | Adjustable from 1 to 199Ω | - |
Frequency Selection | Choice of 50, 60, 128, or 2083Hz for impedance calculation | - |
Maximum Overload | Permanent current: 100 max. 50/60Hz Transient current: (<5s) 200A 50/60Hz | - |
Current Measurement Range (Auto-Ranging) | ||
Measurement Range | Resolution | Accuracy |
0.200 to 0.999mA | 1µA | ±(2% Reading +50µA) |
1.000 to 2.990mA | 10µA | ±(2% Reading +50µA) |
3.00 to 9.99mA | 10µA | ±(2% Reading +50µA) |
10.00 to 29.99mA | 100µA | ±(2% Reading +100µA) |
30.0 to 99.9mA | 100µA | ±(2% Reading +100µA) |
100 to 299.9mA | 1mA | ±(2% Reading +1mA) |
0.300 to 0.990A | 1mA | ±(2% Reading +1mA) |
1.000 to 2.999A | 10mA | ±(2% Reading +10mA) |
3.00 to 39.99A | 10mA | ±(2% Reading +10mA) |
Loop Inductance Measurement | ||
Measurement range | Resolution | Accuracy |
10 to 100µH | 1µH | ±(5% Reading +1µH) |
100 to 500µH | 1µH | ±(3% Reading +1µH) |
Contact Voltage (Touch Voltage) Calculated | ||
Measurement range | Resolution | Accuracy |
0.1 to 4.9V | 0.1V | ±(5% Reading +0.1V) |
5.0 to 49.5V | 0.5V | ±(5% Reading +0.5V) |
50 to 75.0V | 1V | ±(10% Reading +1V) |
Specifications | |
Ground Resistance Tester Model 6416 | |
Features | Parameters |
Display | OLED, 152 segments 48x39mm |
Memory | 300 measurements |
Alarm | 3 separate alarms (Ω, V and A) |
Power Source | 4x1.5V LR6 (AA) alkaline batteries or 4 NiMH batteries |
Battery Life | 12 hours or 1440 30-seconds tests approx |
Jaw Opening | 1.38” (35mm) max |
Dimensions | 2.16 x 3.74 x 10.31” (55 x 95 x 262mm) |
Weight (with Battery) | 2.06 lbs (935g) |
Operating Temperature | -4° to +131°F (-20 to +55°C) |
Storage Temperature | -22° to +158°F (-30 to +70°C) |
Relative Humidity | Up to 90% @ 40°C |
Ingress Protection (IP) | IP 40 |
EMC | EN 61326-1 |
Safety Compliance | IEC 61010-1 EN 61010-2-30 EN 61010-2-32 Pollution Degree 2 600V CAT IV CE |
Specifications | ||
Ground Resistance Tester Model 6416 | ||
Model | Cat. # | Description |
6416 | 2141.01 | Ground Resistance Tester Model 6416 |