NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
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NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
Author: Noyafa–Noyafa Cable Tester
The price of mine cable fault detector 1. The price of mine cable fault detector Coal mines are large users of cables. Due to the harsh underground operating environment, the annual loss of various cables is relatively large. In order to save expenses and reduce production costs, each mine Generally speaking, the price of mine cable fault detector 1. Price of mine cable fault detector Each mine generally has its own cable maintenance team. However, due to the limitations of testing equipment and technology, when repairing cables such as fully mechanized mining, the flaw detection test is often unsatisfactory, and most of them use the forced breakdown method that damages the cable insulation. This device is based on the partial discharge method that does not damage the original structure of the cable. It can easily and accurately detect the damaged part of the cable, and also has the function of testing after repair. A tool you can fully rely on in your business.
2. Main technical parameters of mine cable fault detector: current and voltage: single-phase AC 220V, 50Hz flaw detection DC output voltage: 0—30KV (button control) cable flaw detection accuracy:±Test output DC voltage within 50mm: 0—30KV (button control) automatic withstand voltage test time: 0—30 minutes (can be set) Leakage current test range: 0—100 microamps Main transformer rated capacity: 3KVA Rectification method: single-phase half-wave discharge Spherical gap: handle rod adjustment Dimensions: 1100×1000×1200mm (width×deep×High) Weight: about Kg 3. Environmental conditions for the use of mining cable fault detector equipment: 1. Ambient medium temperature:—5℃—＋40℃; 2. Relative air temperature: not more than 85% (temperature is 20℃±5 hours); 3. Altitude: no more than 2500m; 4. There is no explosive dangerous medium around, and there is no gas or dust in the medium that is enough to corrode metals and damage electrical insulation; 5. No significant shock and vibration, and no rain and snow intrusion place. 4. Structural characteristics of mine cable fault detector: 1. This equipment is composed of control part (low voltage) and high voltage rectifier, discharge and test part. Sufficient safety space is reserved between high and low pressure, between high and low pressure and the shell.
2. In order to ensure the safety of equipment and personnel, a special person must operate with a key before starting the high voltage. 3. Every time a flaw is detected or a cable is tested, it can ensure that the high voltage starts to rise slowly from the zero position, and has the shape of high and low voltage limit. Simple. 4. The DC withstand voltage test time can be automatically carried out after digital (or manually controlled), and the test time is accurate and reliable.
5. The leakage current can be measured at any time according to the needs of the withstand voltage test process. 6. The equipment has over-current and short-circuit protection, as well as start-up pre-warning and over-current protection. 7. On the control panel, there are switches or buttons such as power switch, high voltage start, high voltage stop, step-up, step-down, etc. There are digital time timing relays for withstand voltage test, etc.
8. There are high-voltage voltage, leakage current and low-voltage total current measurement meters on the display board, and there are indicator lights for power supply, high voltage, timing, etc., as well as an observation window for spherical gap discharge. 9. Equipped with a special high-voltage discharge rod for discharge after each flaw detection or test to ensure safety, and there is a grounding mark at the bottom of the box.
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