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ED2000 Disk(middle&long Range)underground Electronic Marker



The ED2000 series underground electronic marker is equipped with an induction coil with a diameter of 19cm and a strong induction signal, which can be used for electronic identification of deeper underground pipelines or facilities.

The ED2000 disk marker is designed and produced according to international standard frequencies, and is compatible with electronic marker locators designed and produced according to international standard frequencies (without ID mode). The ED2000 can also be equipped with RFID chips with two modulation modes, ASK and FSK, becoming electronic information markers. Through the ID number in the marker, ground detection personnel can clearly determine that what they have found is the target marker buried in advance, without suspecting whether it is an interference signal or an maker buried by other units. For ID markers, after obtaining the ID number, ground detection personnel can use the ID number to search for information related to the identified object stored in the cloud database (such as the type, specifications, and photos before covering with soil), which can achieve visual management of underground pipelines or facilities.

The ED2000ID-RW type marker, equipped with FSK RFID chips, also supports writing simple information such as marker type and specifications directly into the internal chip of the marker using the ED8000V400 version locator before covering soil. For remote areas with poor wireless signals, or for users who are unable to upload marked object information to the cloud due to information security factors, a more direct information management solution is provided.


ED2000 can be installed at a certain interval, or at the turning of changing trend and at some event points, such as connection points, valves, well covers, T-shaped branches, etc. According to the project importance and project budget, the installing density can vary from several meters to tens of meters, usually 10-20 meters.

·   Pipeline path

·   Nonmetallic pipe

·   Various valves

·   Metering meter

·   Various crossing points

·   Tee

·   Depth change

·   Pressure reducing device

·   Catholic protection

·   Pressure control point

·   Embedded reserved port

·   Various elbows

·   Pipe diameter change

·   Water well

·   Cover

·   Maintenance point

·   ……

3. Basic specification parameters

  •  HDPE or ABS packaging, resistant to chemical corrosion

  •  Diameter: 21.5 centimeters

  •  Thickness: 3 centimeters

  •  Weight: 0.217 kg ± 10%

  •  Waterproof level: IP68

  •  Anti-drop ability: able to withstand drops from a height of 3 meters without affecting electrical performance

  •  Pressure resistance: able to withstand pressure of 20KN without being damaged

  •  Working temperature: -30 ℃~55 ℃;

  •  Storage temperature: -30 ℃~55 ℃

  •  Working frequency (customizable):

·   Power 169.8khz

·   Water 145.7 kHz

·   Sanitary 121.6 kHz

·   Telecom 101.4 kHz

·   Gas 83 kHz

·   P_EU 134 kHz

·   General 66.35 kHz

4. Detection related characteristics






No ID   maximum detectable depth




Maximum   ID read depth

Not   Supported



Maximum   write depth

Not   Supported

Not   Supported


ID Number   Format

Not   Supported

3 digit   manufacturer number+10 digit ID number

3 digit   customer number+10 digit ID number

Writable   information content

Not Supported

Not   Supported

Type and   specification of the identified object

5. Installation

The disc electronic marker should be installed above the pipeline and kept as horizontal as possible. The non-metallic pipe should be directly attached to the pipeline and fixed with ties. When covering the soil, sand or sand should be used to fill the gap between the marker and the pipeline to avoid uneven force on the marker after covering the soil.

Considering the uncertainty of the later soil cover thickness, it is generally recommended that the burial depth be less than 80% of the maximum detectable depth of the model.

To avoid mutual interference between markers, the distance between two adjacent markers should be greater than 1.5 meters.


Do not press the marker under the pipeline or the marked object.

If it is a metal pipe, the marker should be kept at a distance of no less than 12CM from the top of the pipe, and there should be no metal objects covering the marker.



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