| Sign In | Join Free | My burrillandco.com |
|
... roof wind resistance test, physical properties of metal roof. [Applicable standards] GB/T 31543 "Wind resistance test method for single-layer roll roofing systems", JGJ 255 "Technical specifi...
...electrical equipment, which reflects the (contact) resistance between the exposed conductive parts of the electrical equipment and the general grounding terminal of the electrical equipment. This equipment c...
...Resistance Tester is applicaple to test earth resistance of all kinds of devices and Conductor resistance of low resistance in electric power, post,oil,chemistry,communication,mine industry and so on..It als...
... tester for different frequency ground grid, is the high precision measuring instrument that is used in measuring the ground resistance and testing related parameters in substations and other situations. The...
...Ground Resistance Tester Anti Interference Principle Variation Frequency 1. Product Name: Grounding resistance tester HYDW-5A 2. Equipment Description: Model HYDW-5A, Grounding resistance tester for differen...
..., leather, wrapping paper, etc. The following methods to test (the average of three times, the value at least one of decimal point) its water resistance. Test Method: A. pressure method: rose up the waters l...
...resistance, soil resistivity, grounding voltage, and AC voltage in combination with the new lightning protection grounding resistance detection standard. The test current reaches 20mA, using digital and micr...
... between equipment shell and ground line of all kinds of electric motors, electric appliances, instruments and meters, household appliances and others, check whether the resistance in compliance with the req...
... quality of earth resistance is judged by its size. Finding an accurate, fast, simple and reliable method to measure earth resistance has become urgent in lightning protection and grounding field. This Multi...
... is used to measure the internal grounding resistance of electrical equipment, which reflects the (contact) resistance between the total grounding terminals of the electrical equipment. It is suitable for me...
... measurement. It is widely used in the grounding resistance measurement of electric power, telecommunications, meteorology, oilfield, construction and industrial and electrical equipment. When measuring circ...