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Built-in diaphragm vacuum pump, no need to connect air system.
Have strong suction, able to suck objects of which weight is up to 120g.
Eliminate static design. The suck pen, suction cushion are hose are all made of eliminate static material which are safer for sensitive elements.
Features of adjustable stabilized voltage supply :
Overvoltage, overcurrent and short circuit protection
High precision, high resolution, low temperature drift, high stability (temperature drif