Pan Tilt Zoom (PTZ) Motorised lens / varifocal (VF) lens cameras can “zoom in” optically with inbuilt motors that drive the camera’s lens from a wide to narrow field of view allowing distant objects to come into clear focus. With PTZ cameras, you can set up patrols with auto roaming and some support auto-tracking, where […]
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Variable Speed Drive in Pumping Application Variable speed drive in pumping controls motor input voltage and frequency thereby controlling the pump. Variable frequency control consist of primary circuit converting alternating current (AC) to direct current (DC) then converting it back to AC with regulated frequency Benefits of variable speed drive; Reduce cost and save energy.
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