MSA Instruments MSA Instruments  

       Pressure Transmitter
       Pressure Switch


Differential Pressure
       Differential Pressure Switches
       Differential Pressure Gauge


       Ultrasonic Level Transmitter
       Radar Level Transmitter
       Capacitance Type Level Transmitter
       Level Switch
       Level Gauges

Flow, Velocity
       Electromagnetic Flow Transmitter
       Ultrasonic Flow Transmitter
       Corioliss Mass Flow Meter
       Solid Flow meter
       Vortex Flow meter

Temperature Transmitter

Valve Positioner

Process Protection Measurement
       Belt Scale
       Weigh Feeders
       Acoustic Sensor

Safety Equipment
        Conveyer Safety Switch

Gas Detector

Pneumatic Valve Accessories
       I/P Converter
       Pressure Regulator
       Volume Booster

   Belt Scale

Belt scales help maximize the use of raw materials, control inventories, and aid in the manufacturing of a consistent product. Milltronics belt scales from Siemens are easy to install, and require little maintenance. They produce repeatable, accurate results. These belt scales show minimal hysteresis and superior linearity, and ignore side loading. Load cell overload protection is a feature of the belt scale design.

A typical belt scale system has a weigh bridge structure supported on load cells, an electronic integrator, and a belt speed sensor. The load cells measure the material weight on the belt, and send a signal to the integrator. The integrator also receives input in the form of electrical pulses from a belt speed sensor connected to a tail or bend pulley. Using these two sources of data, the integrator calculates the rate of material transferred along the belt using the equation weight x speed = rate.

Load Cell:  Siemens offers two load cell series: SIWAREX R and SIWAREX WL200. Both series are equipped with strain gauges. They are used for static and dynamic weight measurements.

Electronics Integrator: The stand-alone integrators not only process the sensor signals for continuous weighing tasks, they also perform simple control functions, e.g. PID control.

Speed Sensor: SITRANS WS100: Low resolution, shaft-driven speed sensor, SITRANS WS300: Low to High-resolution, shaft-driven speed sensor

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