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SWIM Slow Speed In Motion Scales


Cardinal Scale’s SWIM slow-speed in-motion vehicle scale offers the ideal combination of accuracy, space, speed, and economical price point for weighing fully-loaded semi tractor-trailers. Weigh-in-motion vehicle scales offer a cost-effective means of measuring truck axle and gross weights without affecting the flow of traffic. SWIM scales occupy only a small fraction of the space needed for a full-length static truck scale and they are ideal for ports, freight terminals, and commercial fleet axle weight monitoring compliance. The SWIM in-motion scale uses a single 12 ft by 30-inch weighbridge constructed of ½-inch thick steel and is supported by four Cardinal SCA stainless steel compression load cells.


  1. 1/2-inch Thick Steel Deck with Access Covers

  2. 12 ft x 30 in Welded Steel Weighbridge

  3. Can Also Be Used for Static Weights

  4. Includes Loop Detector Coil – Printer – 825 Indicator with WIM Software

  5. Provides Gross Vehicle Weights Within 1% at Speeds Less Than 10 mph

  6. Saves Time and Avoids Traffic Congestion

  7. Small Footprint – Requires Minimal Space

  8. Uses Four Stainless Steel SCA Compression Load Cells

  9. Weigh Axle Weights Plus Total Weight up to 20 mph


Weighbridge Size: A single 12 ft X 2.5 ft (3.7m X 0.8m) weighbridge constructed of ½-inch thick steel Load Cells: Utilizes 4 Cardinal 50,000-lb capacity SCA series stainless steel compression load cells Indicator: Cardinal Scale’s 825 indicator programmed with WIM software to weigh each axle of the vehicle as it travels across the scale, plus calculate gross weight Lower Frame: Weighbridge is mounted inside a single-welded framework. This lower frame is 13’-9” by 3’-1” (4.2m X 1m) and is 15” (0.4m) deep Includes: SWIM standard set-up includes SWIM scale with loop detector coil, pole-mountable trim box, universal-mounted 825 weight indicator with WIM software, and a P600 ticket printer Options: SWIM can be interfaced with printers, traffic signal controls, alarms, over-height detectors, and remote weight displays Speeds: The SWIM scale will provide gross vehicle weights at speeds up to 20 mph (Note: As speeds go up, accuracy will go down. 7-10 mph should be the target speed) Accuracy: Provides gross vehicle weights within 1% at speeds less than 10 mph Static Weights: SWIM can also be used as a static scale to weigh single axles for even more accurate measurement (Note: When used statically the SWIM meets NIST Class III tolerances). Nominal Capacity: 60,000 lb Paint: Frame and weighbridge are protected by a baked-on epoxide polyester powder coat Warranty: Covered under Cardinal’s standard one-year warranty against defects in materials or workmanship Applications: Freight terminals, mining/rock quarries, ports (SOLAS regulations), agricultural, sorting and pre-screening, and commercial fleet axle weight/gross weight checking Shipping: 14 ft X 3 ft X 1.5 ft – 6500 lb (if all parts are packaged inside the lower frame and the weighbridge is inside on blocks)

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