Ramsey™ Series 20 Belt Scale System

Belt Weigher

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Monitor your conveyor belt feed to crushers, mills, screens and other processes with an accuracy of ±0.5% using the Thermo Scientific™ Ramsey™ Series 20 Belt Scale System. The conveyor belt scale system is easy to install — indoor or outdoor — on fixed or portable conveyors. Its rugged construction allows for installation in the harshest applications in a variety of locations. The Ramsey Series 20 Belt Scale System can monitor production output and inventory, or control product loadout, while providing vital information for the management and operation of your business.



Product Size -
Description Series 20 Belt Scale System
Enclosure Protection Load Cell: Environmentally-protected “S” type cell
Excitation Load Cells: 10 ±5%VDC
Housing Ramsey 60-12C Digital Speed Sensor: Weather-tight, epoxy finish, cast aluminum
Hysteresis Load Cells: <0.02% FS
Input/Output Load Cell: 3 mV/V ±0.1%
Load Cell Construction Environmentally-protected “S” type cell
Load Cell Output 3 mV/V ± 0.1%
Load Cell Rating FM Approved for Class II, Div 1 & 2, Groups E, F & G; NTEP Type III, 5000 divisions; OIML R60
Load Cells Quantity 1 
Non-Linearity < 0.03% FS 
Non-Repeatability 0.01% FS
Mounting Load Cell: Tension; Ramsey 60-12C Digital Speed Sensor: Direct to 15.88mm (0.625 in.) diameter stub shaft on tail pulley, bend pulley, or return roll; Hardware supplied with coupling, restraint arm and restraint spring
Operating Temperature Load Cell: -54° to +93°C (-65° to +200°F)
Overload Load Cell: Safe to 150% of load cell capacity; Ultimate to 300% FS; Sideload 50% F
Quantity Load Cell: 1
Shipping Weight Ramsey 60-12C Digital Speed Sensor: 3.6 kg (8 lbs.)
Temperature Sensitivity Load Cell: Span 0.0014%FS/°C (0.0008%FS/°F); Zero 0.0027%FS/°C (0.0015%FS/°F)
Type Ramsey 60-12C Digital Speed Sensor: Digital, brushless
Weight Span Series 20 Belt Scale System: One or two idler suspension; Weigh spans from 762mm to 1829mm (30 in. to 72 in.)


Features and Benefits

  • Proven reliability and versatility of the Thermo Scientific™ Ramsey™ 10-20 Single Idler or Thermo Scientific™ Ramsey™ 10-22 Dual Idler Weighbridge
  • Thermo Scientific™ Ramsey™ 60-12C Belt Speed sensor
  • Advanced electronics in the Thermo Scientific™ Ramsey™ Micro-Tech 9000 or Thermo Scientific™ Ramsey™ Micro-Tech 3000 Series of electronic integrators


Recommended for:

  • Crushing plants
  • Chemical plants
  • Asphalt plants
  • Mines
  • Cement mills
  • Coal preparation plants
  • Paper mills
  • Gypsum mills
  • Sand and gravel operations
  • Coal-fired power plants
  • Ore benefication process
  • Rail loadouts