The LD2000 series clamp type grounding resistance tester is a new generation of ungrounded pile based grounding resistance tester. This series of testers adopts a new generation of LCD black screen backlight display technology and microprocessor control technology, achieving synchronous display of Ω+A. The grounding resistance is measured through induction without disconnecting the grounding lead or auxiliary electrodes, ensuring safety and speed. The LD2000 series is widely used in various fields such as telecommunications, power, meteorology, computer rooms, oil fields, power distribution lines, iron tower transmission lines, gas stations, factory grounding grids, lightning rods, etc. It is highly praised by users for its accurate, fast, simple, stable and reliable testing characteristics.
| Range and Accuracy | |||
| Mode | Range | Resolution | Accuracy |
| Resistance | 0.010Ω-0.099Ω | 0.001Ω | ±（1%＋0.01Ω） |
| 0.10Ω-0.99Ω | 0.01Ω | ±（1%＋0.01Ω） | |
| 1.0Ω-49.9Ω | 0.1Ω | ±（1%＋0.1Ω） | |
| 50.0Ω-99.5Ω | 0.5Ω | ±（1.5%＋0.5Ω） | |
| 100Ω-199Ω | 1Ω | ±（2%＋1Ω） | |
| 200Ω-395Ω | 5Ω | ±（5%＋5Ω） | |
| 400-590Ω | 10Ω | ±（10%＋10Ω） | |
| 600Ω-880Ω | 20Ω | ±（20%＋20Ω） | |
| 900Ω-1200Ω | 30Ω | ±（25%＋30Ω） | |
| Current | 0.00mA -9.95mA | 0.01mA | ±（2.5%＋1mA） |
| 10.0mA -99.0mA | 0.1mA | ±（2.5%＋5mA） | |
| 100mA -300mA | 1mA | ±（2.5%＋10mA） | |
| 0.30A-2.99A | 0.01A | ±（2.5%＋0.1A） | |
| 3.0A-9.9A | 0.1A | ±（2.5%＋0.3A） | |
| 10.0A-20.0A | 0.1 A | ±（2.5%＋0.5A） | |
| Technical Specifications | |
| Function | Ground resistance test, loop resistance test, leakage current test |
| Ambient Temperature and Humidity | 23℃±5℃, below 75%rh |
| Power Supply | DC 6V (4 AA dry batteries) |
| Measurement Method | mutual inductance |
| Resistor Resolution | 0.001Ω |
| Current resolution | 0.01mA |
| Jaw size | 55mm×32mm |
| Ω + A sync display | Ω + A sync display |
| Ground voltage measurement function | None |
| Display Mode | 4-digit LCD display, black screen design |
| Measure Time | 2 times/sec |
1. The appearance of the product is subject to the actual product. Technical parameters and models are subject to change without prior notice. 2. To learn more about Longdian products, please enter the product center. Service Hotline: 400-6727-238
Groundless pile testing method: adopting a clamp design, there is no need to drive ground piles, simplifying the testing process and improving testing efficiency.
High precision measurement: The grounding resistance test has an accuracy of up to ± 1% ± 0.01 Ω, which can accurately measure the grounding resistance value.
Multi functional integration: In addition to ground resistance testing, it also supports loop resistance testing and leakage current testing, making it versatile and meeting various testing needs.
Fast filtering technology: using fast filtering technology to effectively suppress interference signals, ensuring the stability and accuracy of test data.
Large screen display: Equipped with a 4-digit LCD black screen backlit display, the numbers are clear and easy to read, suitable for various lighting environments.
Big data storage: capable of storing 300 sets of test data, convenient for users to view and analyze in the future.
Intelligent recognition and alarm: automatically identify interference signals and issue prompts when the interference current is high; When the measured value exceeds the alarm set value, the instrument will issue an alarm prompt.
Portable design: small size, light weight, easy to carry and operate, suitable for outdoor and on-site testing.
Long life pliers head: The pliers head is made of high-quality materials, designed reasonably, durable, and reduces the frequency of replacement.
Low power consumption and automatic shutdown: The instrument has low power consumption, automatic shutdown function, saves power, and extends battery life.
