|
General
Information
|
| Manufacturer |
Extech
|
| Manufacturer Part Number
|
382357-NIST
|
| Product Name |
Clamp-On
Ground Resistance Tester with NIST Certificate
|
| UPC |
793950383582 |
|
Features
|
- Autoranging ground
resistance measurements from 0.03 to 1500 with 0.02
resolution
- Auto power off
- True RMS AC Leakage
current range of 0.2mA to 30A with 1.000mA maximum
resolution
- Programmable
Datalogging with 116 data points
- Programmable Hi/Lo
Alarm
- Jaw Size for Large
Ground Rods 0.9 in.
- Simplifies ground
resistance measurements on multiple point ground
systems
- Verification resistors
confirm accuracy of meter
- Automatic Self
Calibration when powered on
- 9999 Count High
Contrast LCD Display
- Electrical Noise
Detection feature prevents inaccurate readings
- Data Hold and
Continuity Beeper
- Complete with 9V
battery, Resistance check plate and durable metal
storage case
|
|
Specifications
|
| %Applications |
Verify
resistance of cellular and communication tower ground
grids
Check utility transmission systems and grounding rods
Maintenance on electric transportation systems
Ideal for grounding systems in sub-stations, factories
and office buildings
|
| Ground Resistance |
Range |
Resolution |
Accuracy ( percent rdg) |
| 0.025 to 0.25 |
0.002 |
More or less (1.5 percent +
0.05) |
| 0.250 to 1.000 |
0.02 |
More or less (1.5
percent + 0.05) |
| 1.001 to 9.999 |
0.02 |
More or less (1.5
percent + 0.1) |
| 10.00 to 50.00 |
0.04 |
More or less (1.5 percent + 0.1) |
| 50.01 to 99.99 |
0.04 |
More or less (1.5 percent + 0.5) |
| 100.0 to 200.0 |
0.4 |
More or less (1.5 percent + 0.5) |
| 200.1 to 400.0 |
2 |
More or less (5.0 percent + 5) |
| 400.0 to 600.0 |
5 |
More or less (10 percent + 10) |
| 600.1 to 1500 |
20 |
More or less 20 percent
|
| AC Leakage Current (Trms) |
0.200 to 1.000mA |
0.001mA |
More or less (2.0 percent more
or less 0.05mA) |
| 1.00 to 10.00mA |
0.01mA |
More or less (2.0 percent more
or less 0.03mA) |
| 10.0 to 100.0mA |
0.1mA |
More or less (2.0 percent more
or less 0.3mA) |
| 100 to 1000mA |
0.1mA |
More or less (2.0 percent More
or less 0.3mA) |
| 0.20 to 4.00A |
0.01A |
More or less (2.0 percent More
or less 0.03A) |
| 4.00 to 30.00A |
0.01A |
More or less (3.0 percent More
or less 0.03A) |
| Resistance Test Frequency |
1.667kHz |
| Continuity |
Beep if less than 40
(approximately) |
| Dimensions |
10.2 x 4.4 x 1.9 in.
|
| Weight |
3 pounds
|
