Multiquip

Concrete Construction, May, 2002

Micon computer-controlled vibrators generate a consistent frequency of between 10,800 and 12,000 vpm with an electric motor-in-head arrangement, making them ideal for zero slump applications, according to the manufacturer. Inside the unit is a controller that constantly monitors and controls the motor to protect it from failure due to current surge, broken wires, or short circuits. This controller sends more power to the head when it senses resistance that could cause the vibrator to slow down, ensuring that higher rpms are maintained throughout the vibrating process. Two series are available (VH and VHB), and both offer head diameters of 1.25 to 2.8 inches and head lengths of 14.6 to 15.6 inches. The Micon controller in the VHB series is available with a rigid extension on the vibrating head to provide control over placements up to 6 feet away. (310-537-3700; fax: 310.537.3927) Circle 4

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