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Megger DET24C
Catalog #: 1007-331
Digital Clamp-On Ground Resistance Meter with Data Storage and Downloading
- Overview
- Specifications
- Summary
- Accessories
Product Highlights
- Large elliptical clamp (head) design
- Smooth mating surfaces on the clamp head
- CATIV 600 V operation
- Noise filter function
- Resistance and current limit alarm functions
- New ergonomic trigger design
- Elliptical clamp shape – improves access - clamp straps up to 50mm
- Low maintenance flat jaw interface
- Ultra long battery life utilising readily available batteries
- Time and date stamped stored test results
- Pre-test hold function
- Backlit display for low light environments
- Stores 2,000 readings
- Download readings for easy report generation
Applications:
- Pole grounds
- Service entrance/meter electrode
- Service panel
- Pad mount transformer earth
- Transmission towers
- Telephone pedestal
- Telephone cabinets
- Lightning protection electrodes
Each Unit Includes
- Carrying case
- Carrying strap (wrist loop)
- User guide CD-ROM
- Calibration check accessory
- USB IrDA dongle
- USB extension lead
- PowerDB Lite software
| Resistance Measurements |
| Ground Resistance Range |
Resolution |
Intrinsic Certainty |
| 0.05 Ω to 0.99 Ω |
0.01 Ω |
±1.5% ±0.05 Ω |
| 1.00 Ω to 9.99 Ω |
0.01 Ω |
±1.5% ± 0.1Ω |
| 10.0 Ω to 99.9 Ω |
0.1 Ω |
±2% ± 0.5 Ω |
| 100.0 Ω to 199.9 Ω |
0.1 Ω |
±5% ± 1 Ω |
| 200 Ω to 400 Ω |
1 Ω |
±6% ± 5 Ω |
| 400 Ω to 600 Ω |
1 Ω |
±10% ± 10 Ω |
| 600 Ω to 1200 Ω |
10 Ω |
±20% |
| 1200 Ω to 1500 Ω |
10 Ω |
±35% |
| Frequency of measurement 1390 Hz. |
| Alarm settings |
| Alarm type |
Range |
Resolution |
| Threshold 1 |
1 Ω to 1500 Ω |
1 Ω |
| Threshold 2 |
1 Ω to 1500 Ω |
1 Ω |
| Current measurements (RMS) |
| Current range |
Resolution |
Intrinsic Certainty |
| 0.5 mA to 0.99 mA |
0.01 mA |
±2% ±0.05 mA |
| 1.00 mA to 9.99 mA |
0.01 mA |
±2% ±0.05 mA |
| 10.0 mA to 99.9 mA |
0.1 mA |
±2% ±0.1 mA |
| 100 mA to 999 mA |
1 mA |
±2% ±1 mA |
| 1.00 A to 9.99 A |
0.01 A |
±2% ±0.01 A |
| 10.0 A to 35.0 A |
0.1 A |
±2% ±0.1 A |
| 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 Hz to 400 Hz. |
| Maximum current is 100 A rms continuous and 200 A rms for 60 s max at 50 Hz and 60 Hz |
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| Clamp head features |
| Elliptical head design |
YES |
| Max Conductor Size |
37mm OD - 50mm tape |
| Head depth (A*) mm |
45 |
| Jaw thickness (B*) mm |
25 |
| Jaw total area (AxB) mm² |
1125 |
| Jaw teeth that can bend |
NO |
| Smooth jaw mating surfaces |
YES |
| User safety specifications and features |
| Safety CAT Rating |
CAT IV 600V |
| Automatic current warning in Ω range |
YES |
| Resistance measuring specifications |
| Resistance Range Summary |
0.05Ω to 1500Ω |
| Resistance Measurement Frequency |
1396 Hz |
| Automatic noise filter function |
YES |
| Resistance alarm Function - user settable limits |
YES (HI / LO) 0Ω to 1500Ω |
| Continuity/Alarm Buzzer |
YES |
| Current measuring specifications |
| Current Range Summary |
0.5mA to 35.00A |
| Current Autorange |
YES |
| True RMS |
YES |
| Maximum Current |
100A continuous
200A for 20s max |
| Current alarm Function - user settable limits |
YES (HI / LO) |
| Display related specifications |
| Hold Function |
YES - tactile feedback |
| Pre-Hold Function - initiate prior to test |
YES |
| Backlight |
YES |
| Data / test result related functions |
| Logging Function |
No |
| Logging Interval |
n/a |
| Data Storage |
200 records |
2k records |
| Data Download |
NO |
YES (IrDA via USB) |
| Date and time stamped stored test reults |
YES |
| Power related specifications |
| Auto Power Off |
YES 3 mins |
| Power Supply |
4x IEC LR6 (AA) |
| Battery Life |
24 Hours |
| Physical specifications |
| Weight |
1.1kg |
| Dimensions (L x W x D) |
248mm x 110mm x 46mm |
| Environmental specifications |
| IP Rating |
IP30 |
| Operating temperature range |
-20ºC to 50ºC |
| Storage temperature range |
-40ºC to 60ºC |
| What's supplied |
| Carry Case |
YES |
| Calibration Loop |
YES |
| Battery Included |
YES |
| Software Included |
NO |
YES |
| After Sales |
| Warranty |
1 year |
| Ground Testers/Ground Clamp Meters Template |
| Maximum Ground Resistance |
1500 Ohms (1.5 K Ohms) |
| Minimum Ground Resistance |
0.05 Ohms |
| Resolution |
0.01 Ohms |
| Current Measurement Frequency |
60 Hz |
| Maximum Current Range |
35 A |
| Display Hold |
Yes |
| Resistance Accuracy |
1.5% |
| Jaw Capacity Conductor Size |
39 MM (39.37 IN) |
| CAT Rating |
IV |
| CAT Voltage |
600 V |
| Alarms |
Yes |
| Unique Features |
Large elliptical clamp, smooth contact surfaces on clamp head, data storage with time and date stamp. USB download capabilities. |
| Warranty |
12 MONTHS (1 YEARS) |
| Power Supply Voltage |
Battery Powered |
| Data Logging |
Yes |
| Interfaces I/O |
USB |
| IP Rating |
IP30 |
| Product Weight |
2.17 LBS |
| Battery Type |
AA |
| Product Height |
2 IN |
| Product Length |
9.7 IN |
| Product Width |
4.4 IN |
| ECCN Number |
EAR99 |
| Country of Origin |
United Kingdom |
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