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Single Idler Belt Weigher Model 475

To Meet And Exceed Your Accuracy Requirements.

 

CERTIFIABLE DESIGN:

The 475 is designed to meet or exceed the accuracy requirements of the National Institute of Standards and Technology (NIST) Handbook 44. A certificate of conformance, Number 92-196, was issued under the National Type Evaluation Program (NTEP) of the National Conference of Weights and Measures. The certificate is for capacities of 14.5-145 lb/ft. at belt speeds of 100-800 ft/min. with weighbridge lengths of 9-20 feet.

EASILY INSTALLED:

Adjustable suspension bushings, adjustable idler arms, and roller alignment trimming screws permit quick, accurate weigh platform alignment without the need for shims or special tools.

FLEXIBLE:

If your accuracy requirements increase in the future, simply add another weighing unit in series with the existing unit (four maximum) to increase your weighing accuracy.

BELT WIDTH:

  • 35, 100, 200 12" (305) to 54"(1372)
  • 350, 1000 42" (1067) to 84"(2134)

CAPACITY:

  • 35, 100, 200 up to 2600 TPH(2359 metric)
  • 350, 1000 435 - 11,000 TPH(395 - 9979 metric)

    • ACCURACY:

    Based on a totalised weight over a 35 - 100% design capacity and material test calibration, installed as per guidelines and instructions

    ± 0.5% - single weigh module with a commercial idler set
    ± 0.25% - single weigh module with a Merrick precision, adjustable idler set
    ± 0.125% - two weigh modules with Merrick precision, adjustable idler sets
    ± 0.125% - three weigh modules with Merrick precision, adjustable idler sets (for certifiable or NTEP installations)
    up to 0.1% - four weigh modules with Merrick precision, adjustable idler sets (for certifiable or NTEP installations)

    CALIBRATION:

    Electronic, material test, test chains (optional), or test weight (optional).

    OVERLOAD PROTECTION:

    Infinite (mechanical stop). Models with 35, 100 and 200 kg load cells have shock overload protection.

    LOAD CELL:

    Factory calibrated, precision shear beam strain gauge type, temperature compensated +14 to 122° F (-10 to +50° C), and environmentally sealed.

    LOAD CELL CONNECTION BOX:

    Connects up to (4) weigh modules. Includes speed sensor pulse cut-off switch for measuring belt length. 304 stainless steel enclosure, NEMA 4

    SPEED SENSOR:

    Digital, photo-electric pulse generator for direct coupling to tail pulley or optional type CF wheel assembly carriage mounted between belt strands. 304 stainless steel enclosure, NEMA 4

    WEIGH MODULE CONSTRUCTION:

    Carbon steel with rust resistant primer, painted orange enamel. All adjustment screws and bushings anodized for corrosion resistance.

    WEIGH MODULE MOUNTING BEAMS:

    Structured channel, carbon steel construction, pre-drilled for mounting weigh module to conveyor stringers. Two supplied per weigh module with all mounting hardware. Painted with rust resistant primer and orange enamel.

     

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