The Liqui-Flow(r) thermal mass flow meters/controllers were extended by the model L30. With this the maximum measuring/ control range has been increased from 20 to 1000 g/h to 0.4 to 20 kg/h, at pressures from vacuum up to 100 bar. The instrument has been constructed around an easy-to-clean 316 l stainless steel tube with a unique thin film thermopile heater/sensor, fixed on the out-side of the tube. In the sensor, the liquid is heated up only a few degrees above its incoming temperature, so the chance that the liquid will decompose or gas out is negligible. The instrument has a „thru-flow“ measuring principle and it is insensitive to its mounting position. Moreover, the flow meter can be sterilised and does not contain any moving parts or elastomer seals and has a low pressure drop compared with Coriolis type mass flow meters.
Bronkhorst
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Further Information cpp-229
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