- Details
- Category: Ground Resistance Testers
The GRT300 measures earth ground in four ranges, from 2 to 2000 Ohms. Testing can be done using four, three, or two wires. Large dual-line LCD. Automatic I (current) and P (potential) spike detection. The Test Hold function allows for easy operation. Autorange, Automatic Zero Adjustment, Data Hold, and Auto Power Off. AC Earth Voltage. Overrange and low battery indications. Includes test leads with alligator clips, four auxiliary earth bars, a sturdy carrying box, and eight 1.5V AA batteries.
| Earth Ground Resistance | 2Ω/20Ω/200Ω/2000Ω |
| Earth Ground Resistance Basic Accuracy | ±(2% of reading + 3 digits) |
| Earth Ground Resistance Max Resolution | 0.01Ω/0.1Ω/1Ω/0.01kΩ |
| Earth Voltage | 0 to 300VAC (40 to 500Hz frequency) |
| Earth Voltage Basic Accuracy | ±(2% of reading + 3 digits) |
| Test Current | <2mA |
| Test Frequency | 820Hz |
| Certifications | CE |
| Dimensions | 9.8 × 7.8 × 4.3" (250 × 190 × 110mm) |
| Power | 8 × AA (1.5V) batteries |
| Safety Category | CATIV - 300V |
| Warranty | 2 years |
| Weight | 3.15lbs (1430g) |
- Details
- Category: Ground Resistance Testers
The 382357 is a clamp-on ground resistance tester that allows for non-contact measurements of ground conductors. True RMS AC leakage current ranges from 0.2mA to 30A, with a resolution of 1.000mA. Datalogging is programmable, with 116 data points. Performs without the need for additional spikes. Comes with a 9V battery, resistance check plate, and a sturdy metal storage container.
| Specifications | Range | Resolution | Accuracy | |
|---|---|---|---|---|
| Ground Resistance | 0.025 to 0.25 | 0.002 | ±(1.5% + 0.05 ) | |
| 0.250 to 1.000 | 0.02 | ±(1.5% + 0.05 ) | ||
| 1.001 to 9.999 | 0.02 | ±(1.5% + 0.1 ) | ||
| 10.00 to 50.00 | 0.04 | ±(1.5% + 0.1 ) | ||
| 50.01 to 99.99 | 0.04 | ±(1.5% + 0.5 ) | ||
| 100.0 to 200.0 | 0.4 | ±(1.5% + 0.5 ) | ||
| 200.1 to 400.0 | 2 | ±(5.0% + 5 ) | ||
| 400.0 to 600.0 | 5 | ±(10% + 10 ) | ||
| 600.1 to 1500 | 20 | ±20% | ||
| AC Leakage Current (Trms) | 0.300 to 1.000mA | 0.001mA | ±(2.0% ± 0.05mA) | |
| 1.00 to 10.00mA | 0.01mA | ±(2.0% ± 0.03mA) | ||
| 10.0 to 100.0mA | 0.1mA | ±(2.0% ± 0.3mA) | ||
| 100 to 1000mA | 0.1mA | ±(2.0% ± 0.3mA) | ||
| 0.20 to 4.00A | 0.01A | ±(2.0% ± 0.03A) | ||
| 4.00 to 30.00A | 0.01A | ±(2.0% ± 0.03A) | ||
| Resistance Test Frequency | 1.667kHz | |||
| Dimensions | 10.2 x 4.4 x 1.9" (258 x 110 x 47mm) | |||
| Weight | 24.7oz (700g) |
- Details
- Category: Ground Resistance Testers
The Extech 382254 is a replacement set of test leads for the 382252 Earth Ground Resistance Tester Kit. The test leads are both sturdy and color-coded.
- Details
- Category: Ground Resistance Testers
The 382252 is an Earth Ground Resistance Tester Kit that includes all of the hardware required to measure earth ground in three different ranges, from 20 to 2000 Ohms. Also measures AC/DC voltage, resistance, and continuity. Features automatic zero adjustment and three earth ground resistance ranges (20Ω, 200Ω, and 2000Ω). The kit includes test leads, two auxiliary earth bars, a carrying bag, a protective rubber holster, and six 1.5V AA batteries.
| AC Voltage | 0 to 750V |
|---|---|
| AC Voltage Basic Accuracy | 1V |
| Continuity | 40Ω |
| DC Voltage | 0 to 1000V |
| DC Voltage Basic Accuracy | ±(0.8% of reading + 3 digits) |
| Earth Ground Resistance | 20Ω/200Ω/2000Ω |
| Earth Ground Resistance Basic Accuracy | ±(2% of reading + 2 digits) |
| Earth Ground Resistance Max Resolution | 0.01Ω/0.1Ω/1Ω |
| Earth Voltage | 0 to 200VAC (50 to 400Hz frequency) |
| Earth Voltage Basic Accuracy | ±(3% of reading + 3 digits) |
| Earth Voltage Max Resolution | 0.1V |
| Resistance | 0 to 200kΩ |
| Test Current | <2.5mA |
| Test Frequency | 820Hz |
| Certifications | CE |
| Dimensions | 7.9 × 3.6 × 2" (200 × 92 × 50mm) |
| Power | 6 × AA (1.5V) batteries |
| Safety Category | CAT III-1000V |
| Warranty | 2 years |
| Weight | 1.5lbs (700g) |
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