Smart Shoe™ Technology R-146 for Wheel Brake Shoe / Block Force Measurements
20,000 Lbs or 90 KN

Wheel Application

Smart Shoe™ R-146
Multiple Sensor Systems: R-143, R-145
Every day, passenger cars convey vast numbers of rail passengers to their destinations. Anyone who has spent a day – or night – on a train will appreciate the importance of a safe, comfortable car. Freight vehicles deliver safely the loads at their destinations. Our solutions play a significant part in delivering that passenger reassurance and comfort as well as freight safe delivery.

Brake Shoe Force Measurement With Sensor Model R-146

R-146 Features:

  • Specifically designed by railway experts and Fully Approved by AAR (Association of American Railroads) for performing the Static Brake Shoe Force Test. Also used for UIC Leaflet 544-1, for fine tuning and troubleshooting brakes
  • Requires no brake shoe/block removal. Can be used for any wheel diameter
  • True Wireless Brake Shoe/Block Force Measurement. Kit consisting of one Smart Shoe™ sensor wired to a Wi-Fi module. The Wi-Fi module is wireless connected to a customized rugged Tablet that can be located maximum 40 m/ 130 ft. apart of sensor. Battery powered kit allows 40 hours of continuous testing. One Dummy-shoe is included for special brake configurations.
  • Enhanced safety of testing by two shoe-stops
  • Rugged Wi-Fi module powered by 9V 750 mAh alkaline battery
  • Rugged hand-held TABLET. IP68 rated. Shock/Drop up to 3-ft or 1m
  • Brake Shoe Force range: 20,000 lb or 90 KN, overload: 25,000 lb or 110 KN
  • Torque less measurement (as per design, the Smart Shoe™ sensor nullifies the torque generated by the brake shoe head motions and delivers the true value of the brake shoe force)
  • Accuracy surpasses AAR Std. S-4024 requirements with max error <0.1 % FSO
  • Smallest readout: 1lb or 0.01 KN
  • Operating temperature: -4°F to 120°F or 20°C to 50°C
  • Sensor protection class IP 66
  • Sensor dimensions 4.5 x 3.0 x 1.18 in or 11.4 x 7.6 x 3.05 cm
  • Sensor weight 2.5 lb or 1,150 g
  • Wi-Fi module dimensions 4.25 x 2.25 x 2.00 in or 10.80 x 5.71 x 5.08 cm
  • Wi-Fi module weight 0.77 lb or 350 g, including the weight of 9V DC 750 mAh alkaline battery

Brake Shoe Force Measurement With Sensor Model R-142

Smart Shoe™ R – 142 is DISCONTINUED. However, Romell Inc. continues to offer support for Repairs, Replacements, and Calibration.

Model R-142, Specifications
  • Load range: 20,000 lbs or 9,000 daN
  • Accuracy: ± 75 lb or ± 35 daN
  • Smallest readout: 1 lb or 1 daN
  • Brake force continuously displayed
  • One button (On/Off) controlled readout
  • Analog voltage signal output (optional)
  • Temp range: 5 to 120°F or -15 to 50°C
  • Two-9V battery operated: minimum 6 hours
  • Industrial microprocessor controlled display
  • Hand held fiber glass made grip
  • Professional connection cable, with metallic mashed shield coated with Teflon
  • Cable proofed for use in oil industry and other harsh environment, like railways
  • All sensors equipped with double stress release cable connection
  • All sensors equipped with stainless riveted protective covers
  • Sensor thickness: 1 inch or 25 mm
  • Sensor protection class: IP66
  • Reader protection class: IP54
  • Sensor weight: 1.5 lb or 0.680 Kg
  • Case size: 14x12x7 inch or 35x31x16 cm
  • Shipping weight: 9.2 lb or 4.2 kg
R-142, KIT CONTENT
  • Sensor & Hand Held Indicator (permanently connected)
  • Two shoe-stops, screwdriver and two spare batteries
  • Unbreakable, water tight, dustproof, pressure controlled carrying case lockable by padlock
  • User's manual
  • Traceable certificate of calibration
Direct Brake Shoe Force Measuring Device
  • Requires no brake shoe removal
  • Nullifies the torque produced by the brake shoe head
  • Sensor thickness: 1.0 inch or 25 mm
  • Load range: 20,000 lbs or 9,000 daN

Multiple Sensor Systems: R-143, R-145

Smart Shoe™ Installation Pictures

Preparing the Test

Preparing the Test

Shoe Stop Installation

Smart Shoe™ Installation Videos