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Ramsey™ 60-12 Digital Belt Speed Sensor

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Monitor conveyor belt scale speed in demanding bulk material handling applications with the highly reliable and accurate Thermo Scientific™ Ramsey™ 60-12 Digital Belt Speed Sensor. Direct-coupling the sensor to the conveyor tail pulley, snubbing roll, or large diameter return roller ensures accurate belt-travel readout. No wheels ride on the belt, eliminating problems related to material build-up and slippage. The sensor element uses a brushless, pulse generator to produce a stream of pulses, each representing a unit of belt travel. The pulse stream frequency is proportional to true belt speed.

Models 60-12C, F, G and ENC Speed Sensors must be attached to a pulley shaft which turns at true conveyor belt speed. Normally, the tail pulley shaft or a snubbing roll shaft satisfies this requirement. In installations where the tail pulley or snubbing roll shaft is not accessible, an additional pulley must be installed specifically for the speed sensor.

  • 60-12C is used for speeds from 20 to 200 RPM and supplies the output of the generator directly to the totalizer for high speed operation
  • 60-12F is used for speeds from 3 to 30 RPM
  • 60-12G is used for speeds from 10 to 200 RPM
  • 60-12ENC is used for speeds 0 to 200 RPM and has a 500 pulse per revolution encoder inside, typically is used on slow RPM applications
Product Specifications:
Type: Digital, brushless
Mounting: Direct to 15.88 mm (0.625 in) diameter stub shaft on tail pulley, bend pulley, or return roll
Housing: Weather-tight, epoxy finish, cast aluminum
Mounting Hardware: Supplied with coupling, restraint arm and restraint spring
Shipping Weight: 3.6 kg (8 lb)

Robust industrial design for the most demanding applications