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The Megger® models DET10C and
20C measure earth/ground resistance and current flow using clamp-on
technology. The instruments induce a test current into the system
without the need to disturb existing connections. Either unit is a
useful addition to the more traditional methods of earth/ground
resistance testing that may require disconnection and the use of
stakes or ground rods. Each instrument also provides a true RMS
current measurement reading to better indicate potential measurement
problems and provide a useful overview of the dynamics of the general
earth/ground system.
Features
- Easy and fast
clamp-on operation. No need for cables or auxiliary
rods/stakes
- Large LCD
display screen that can be read in bright sunlight
- Measures ground
resistance from 0.025Ω to 1500Ω
- Direct reading
of continuity and ground loop resistance
- Measures ground
leakage or phase current from 0.2mA to 25A
- Large jaw
opening to accommodate a variety of conductors
- Indication of
high noise content that may affect readings
- Lightweight…
only 1.65 lbs (750 g), yet exceptionally rugged for regular field
use
- Hold function
for difficult to reach installations
- Auto-off to
save on battery power
- Configure high
and low alarms with audible indication for fast field checks
- On board
storage of test results (up to 8180 records)
- Calibration
check loop to insure proper operation
- Rugged, yet
lightweight storage case contains complete testing kit
- RS-232
interface for download of test data for later analysis
(DET20C)
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Applications
- Use to measure
resistance and continuity of grounding loops around pads and
building
- Use on
multi-grounded systems without disconnecting the ground rod/stake
under test
- Use to measure
leakage current flowing to ground or circulating in ground systems
- Use on cell
towers, RF transmitters and telecommunications sites
- Use to inspect
and verify lightning protection systems
- Use on a
variety of consumer installations, including pools, spas,
etc
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