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311M Master™ Belt Scale Weigh Frame

311M Master™ Belt Scale Weigh Frame

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The 311 model consists of an idler or roller placed on a simple load cell beam, which makes it a very cost effective solution. Suitable for belt widths up to 50 inches and belt speeds up to 400 feet/minute. This frame is often used in dosing belts that can regulate the capacity of a bulk flow using the measured value and a controlled belt speed.


  • Semi-modular weigh frame design

  • Weigh frame without moving parts

  • Fits standard conveyors

  • Mounts with four bolts

  • Requires weigh frame cutting for proper fit

  • Minimum modifications to conveyor required


  • Galvanized or stainless construction

  • Custom widths available

  • Custom lifting weights available on request


  • Mining, quarries, bulk material blending, process control and retrofit


Conveyor Width:
18 in in to 36 in (457 mm to 914 mm)

1,500 tons per hour

Belt Speed:
Maximum 400 feet per minute (2 m/s)

Maximum 12 degrees

Powder coated mild steel

Accuracy System:

Load Cell:
RL1250: 50 kg, 100 kg, 250 kg

One-year limited warranty

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