The DC high-voltage generator has a variety of protection functions, such as low-voltage overcurrent, low-voltage overvoltage, high-voltage overcurrent, high-voltage overvoltage, z
Jan 30, 2022
The factors that affect the resolution of a chromatographic column are the type and properties of the stationary phase (particle size, particle size distribution, etc.), packing co
Jan 28, 2022
The working principle and equivalent circuit of a current transformer are the same as those of a general transformer, except that the primary winding is connected in series in the
Jan 27, 2022
First, the loop resistance tester makes a sound that the fan does not run after the power is turned on, and the device does not respond when the measurement button is pressed. In t
Jan 26, 2022
The part of the liquid channel of the trace moisture analyzer must be fastened, from the reagent bottle to the metering pump to the reaction tank, otherwise the leakage of the reag
Jan 24, 2022
It is very important for high-voltage electrical test equipment to maintain good insulation during operation. Therefore, a series of insulation tests must be carried out at each st
Jan 23, 2022
1. [Phenomena] Connect the 220V AC power supply, the fan has no running sound, and press the "test switch", the ammeter and micro-ohmmeter do not display. [Cause] The 220
Jan 21, 2022
The grounding resistance tester is used to measure the grounding resistance value of various devices in electric power, communication, lightning protection, iron tower, electromech
Jan 19, 2022
What is transformer winding deformation? Transformer winding deformation refers to the irreversible change in the size and shape of the winding under the action of mechanical and e
Jan 22, 2022
GSTG Test Result GST Test Result UST Test Result
Jan 18, 2022
1. There are two methods for moisture detection: Karl Fischer method and azeotropic distillation method. 2. Determination of distillation range, measure the distillation temperatur
Jan 17, 2022
Before the partial discharge test, the transformer should be deflated and left standing for more than 24 hours. When the high voltage is placed at 5 points, the voltage is applied
Jan 14, 2022
