HWMR Ltd. is a manufacturer's representative providing sales, marketing and technical support for industrial process control instrumentation products. Representing GE Sensing products under the Kaye brand for validation and calibration products and services. Kaye Validator 2000. Kaye RF Valprobe and Kaye Valprobe wireless datalogger system. Kaye Labwatch. Kaye ITMS. Kaye accessories: thermocouples, baths, reference probes. Products available for sale or rent.