Profile: Integrated Metering Systems, Inc. is a manufacturer of current transformer, single phase, 2-phase and 3-phase electric sub meters. We provide IMS EM Pro is a runtime device that enables a billing service to proportionally allocate energy usage of central HVAC equipment in multi-tenant applications. Our current transformers is a ring-shaped devices slip over the power lines and measure the electrical current flowing through the line. We offer 1000 series kWh meter with optional demand function has a large LCD display, pulse outputs and an RS485 serial port for remote monitoring.