DET24C Megger, DET24C Datasheet - Page 2

• Manufacturer Part Number: DET24C
• Description: GROUND RESISTANCE TESTER, 0.05OHM TO 1.5KOHM
• Manufacturer: Megger

Specifications of DET24C

• Resolution (ohm): 10ohm
• External Height: 49mm
• External Width: 114mm
• External Depth: 248mm
• Weight: 985g
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

APPLICATIONS
Typical testing applications include:
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FEATURES AND BENEFITS
Large elliptical clamp (head) design
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Smooth mating surfaces on the clamp head
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CATIV 600 V operation
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Noise filter function
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Resistance and current limit alarm functions (visual
and audible)
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The DET14C is shown measuring a ground spike in a ground well.
Lightning protection ground electrodes
diameter and ground tapes/straps up to 50 mm width
immunity
environments
time/improve accuracy
Pole grounds
Service entrance/meter ground electrodes
Service panels
Pad mount transformer grounds
Transmission tower grounds - utlility ground cables
Telephone pedestals
Telephone cabinets
Allows testing of round cables/rods up to 37 mm
Improved testing access
Easy to clean
No interlocking teeth to damage
Highest level of user safety available
Unit can be used safely before the distribution board
User can select the filter function to increase noise
Allows the unit to be used in higher electrical noise
Minimum and maximum limits can be set to reduce test
Intelligent data hold function (preset before testing)
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Backlit display
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Data storage (both models)/results downloading
(DET24C)
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Time and date stamped results
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New ergonomic trigger design
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Ultra long battery life (24 hours continuous) with
readily available batteries
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ELECTRICAL SPECIFICATIONS
Resistance Measurements
Ground Resistance Range
Alarm Settings
Alarm Type
Threshold 1
Threshold 2
Current Measurement (RMS)
Current Range
0.5 mA to 0.99 mA
1.00 mA to 9.99 mA
10.0 mA to 99.9 mA
100 mA to 999 mA
1.00 A to 9.99 A
10.0 A to 35.0 A
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Increases instrument ease of use in difficult testing
locations
Allows for operation in low light environments such as
cable basements
Reduces potential for error in recording results
Improved data/results management
Improved accuracy of result reporting
Easier and more comfortable to operate
Less chance of slippage causing the head to snap shut
Longer operating time
Reduced cost of ownership
True RMS readings up to a crest factor of 5.0 (peak current 40 A)
Accuracy guaranteed for 50 Hz and 60 Hz
Measurement over the range 16 Hx to 400 Hz
Maximum current is 100 A RMS continuous and 200 A RMS for
60 s max at 50 Hx and 60 Hz
0.05 Ω to 0.99 Ω
1.00 Ω to 9.99 Ω
10.0 Ω to 99.9 Ω
100.0 Ω to 199.9 Ω
200 Ω to 400 Ω
400 Ω to 600 Ω
600 Ω to 1200 Ω
1200 Ω to 1500 Ω
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Frequency of measurement 1390 Hz.
Clamp-on Ground Resistance Testers
Range
1 - 1500 Ω
0 - 1500 Ω
Resolution
0.01 mA
0.01 mA
0.1 mA
0.01 A
1 mA
0.1 A
Resolution
0.01 Ω
0.01 Ω
0.1 Ω
0.1 Ω
1 Ω
1 Ω
10 Ω
10 Ω
DET14C and DET24C
Resolution
± 2% ± 0.05 mA
± 2% ± 0.05 mA
1 Ω
1 Ω
± 2% ± 0.1 mA
± 2% ± 0.01 A
± 2% ± 1 mA
± 2% ± 0.1 A
Accuracy
Accuracy
± 1.5% ± 0.05 Ω
± 1.5% ± 0.1 Ω
± 2% ± 0.5 Ω
± 5% ± 1 Ω
± 6% ± 5 Ω
± 10% ± 10 Ω
± 20%
± 35%