Hydramotion’s XL7 online viscometer provides continuous real-time viscosity measurement with high resolution, good repeatability and virtually unlimited range. Any model can be supplied in an intrinsically safe version certifi ed to IEC Ex ia IIC for all Hazardous Areas. Outputs include a fully-confi gurable 4-20mA analogue output and an RS485 serial data link for remote viscosity monitoring or control. The high-temperature HT2 model can be used at up to 450°C without special cooling.