Intermolecular forces will generate interface tension and surface tension of liquids. The value of tension reflects liquid sample’s physics and chemical properties, which is one of the most important index for product quality.?
GDDJ-DGA Transformer Oil Gas Analyzer is an online monitoring device for dissolved gas in transformer oil based on gas chromatography technology.
GDBD series intelligent battery discharge test system is used for monitoring single battery’s voltage. When the battery is offline, the tester can work as a discharge load to realize constant current discharge of the set value by continuously regulating the discharge current.
The machine GDZL-50L can effectively remove moisture, gas and impurities in the insulating oil, improve the pressure resistance of the oil and the quality of the oil, to ensure the safe operation of the power equipment.
GDBD Series intelligent battery discharge test system is used for monitoring single battery’s voltage. When the battery is offline, the tester can work as a discharge load to realize constant current discharge of the set value by continuously regulating the discharge current.
GDYB series Single/Three Phase Energy Meter Test Bench is used to measure various kinds of single/three phase meters of 0.1% and below. It has good appearance, complete functions and excellent performance.
GDYB series Three Equal Potential Multi-function Electric Energy Meter Test System is well-developed third generation electronic programmable three phase electric energy meter multifunctional test system according to the latest national standards and regulations.
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GDHX-9500 Phase Detector is mainly used in electric power lines, phase and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement.
GDHX-9700 Phase Detector is mainly used in electric power lines, phase, and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement.
Transformer oil freezing point tester has the characteristics of exquisite structural design and unique manufacturing process. It conforms to GB/T 3535 and GB/T510 standards and is used to determine the pour point of petroleum products.
In all operating equipment and operating network systems with increasing informationization and automation, uninterrupted power supply is the most basic guarantee. Whether it is AC or DC uninterruptible power supply system, the battery acts as backup power source plays an important role in power source system.?
GDYN901 is suitable to determine kinematic viscosity of liquid petroleum products. This apparatus has the function of timing of the trial sample movement and can calculate the final result of kinematic viscosity.?