Gruenewald is a German OEM of Intrinsically Safe Measuring Instruments for Underground Applications. The Measuring Devices are IECEx and ATEX certified. With SMALL-Ex Series you can measure Volume Flow, Pressure, Temperature, Level and combinations of this. Output Signals are 5-15Hz, 0/4-20mA, 0-10V and CANOpen. The Gruenewald SMALL-Ex Series is always certified with Performance Level.
Gruenewald Measuring Devices are equipped in Langwall Systems, Cooling Systems, Pump Stations, Underground Vehicles, Shields, etc.
Do not hesitate to contact us.