Grünewald are specialists in building measuring instruments for the coal mining industry. Their reputation relies on state-of-the-art production procedures. The result is the delivery of the finest measuring instruments with enviable durability under very difficult conditions, even in hazardous and explosive areas.

Grünewald’s suite of products covers instruments for measuring volume, flow indicators, temperature measuring, thermo switches, pressure measuring, level measuring instruments, measuring stations, and regulation valves.