Omron H7ER Counter
The Omron H7ER Counter is a self-powered digital tachometer designed for accurate speed measurement and display in industrial automation and machine monitoring applications. This series belongs to Omron’s digital tachometer category and provides clear numerical indications of revolutions per minute (rpm) or per second (rps) without requiring external power. The H7ER features a high-visibility display that presents revolutions up to five digits, ensuring precise monitoring of machine speed. Its intuitive design simplifies installation and operation in rotating equipment panels and control cabinets. This product is manufactured by Omron and categorized under Omron Counter solutions.
The Omron H7ER Self-Powered Tachometer offers advanced display flexibility with a dual revolution readout that adapts to the encoder resolution used. Standard models present dual displays such as 1000 s⁻¹ / 1000 min⁻¹ or 1000.0 s⁻¹ / 1000.0 min⁻¹, enabling operators to view speed in both per-second and per-minute formats simultaneously. For applications requiring extended measurement ranges, the optional -NV1 models provide a switchable dual revolution display type, supporting speed values up to 10000 min⁻¹. Its self-powered design eliminates the need for external power supplies, reducing wiring complexity and installation costs. With robust construction and high-contrast digits, the H7ER tachometer ensures reliable performance on motor drives, rotating shafts, conveyors, and other industrial machinery. Its straightforward setup and maintenance-friendly design make it ideal for monitoring rotational speed in production and process control environments.