Selection of high voltage insulation megohmmeter

(1) For the sample with large capacitive load, the megohmmeter with appropriate voltage level and large enough output short-circuit current, large range of insulation value and automatic discharge of the tested product is generally selected, otherwise the insulation resistance value is selected. It will have a greater impact, and the absorption will have a larger error than the test results.

(2) For the test site with strong interference, the pointer type megger should be selected, because if the digital megohmmeter is used, the measurement data has a large jitter, so that the true resistance cannot be confirmed, and the pointer type megohm The table itself is relatively sluggish to the strong magnetic field (mechanical meter damping), even if it has an effect, the pointer head only has a slight swing, and the indication range is also very intuitive.

(3) For the case where the interference is small and the insulation resistance value is required to be accurately measured, the digital megger should be used because the digital megohmmeter displays intuitive and high precision, such as the DMG2671.

(4) For large-volume samples such as absorption ratio and polarization index, an intelligent megohmmeter capable of automatically measuring the absorption ratio and polarization index, such as KD2677, should be selected.

Servo Encoder Slip Ring

A servo encoder slip ring is a specialized device that is used in conjunction with a servo motor to allow for the transfer of electrical power and signals between the motor and stationary components. The slip ring consists of a number of metal contacts that are arranged in a circular pattern, and it is typically mounted on the shaft of the motor. As the motor spins, the contacts within the slip ring make contact with corresponding contacts on the stationary components, allowing for the transfer of power and signals.


The primary benefit of using a servo encoder slip ring is that it prevents wear and tear on the electrical connectors that would otherwise be subjected to constant movement. Additionally, it can help to improve reliability and performance by providing a more consistent flow of power and signals.


It is specially developed for servo motor and servo motor encoder slip ring. It has the characteristics of small size, light weight, low power consumption, and long life. The inner diameter of the slip ring is only 10mm, which can be used in a small space. The service life of the slip ring is more than 100,000 hours, and the power consumption is only 0.5W.


A servo encoder slip ring is a device that allows an electrical current to pass between rotating and stationary parts of a machine. It does this by using a set of brush contacts that rotate with the shaft, while stationary contacts are mounted on the housing. This allows for uninterrupted power and data transmission in applications where the stationary component cannot be easily moved.


Oubaibo is a leading manufacturer and supplier of servo encoder slip rings. They produce high-quality products that are reliable and durable, and they specialize in slip ring 18 wire, and commutators. Their products are used in a variety of industries, including aerospace, defense, medical, and manufacturing.

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Dongguan Oubaibo Technology Co., Ltd. , https://www.sliprobs.com

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