Only MicroGuard® Rated Capacity Indicators by Greer Company deliver the industry’s most reliable electronic monitoring technology to help crane operators avoid overloading events and unseen obstacles that can bring your operation to a grinding halt. MicroGuard RCIs continuously monitor crane operation and provide the vital data operators need to maximize crane work capacity while alerting them to potential overloading conditions. MicroGuard’s systems are calibrated to your crane’s load chart using FASTCAL™ — Greer’s proprietary technology that ensures lightning-fast installation and calibration time that’s measured in hours, not days. What’s more, MicroGuard is engineered for predictable performance, no matter what the weather. Reliable technology. Fast calibration. Easy operation. It’s no wonder U.S. crane manufacturers put their trust in MicroGuard Rated Capacity Indicators.