Can anybody advise on a non-nuclear technique for continuous in-line density metering. Nuclear is too costly, with safety officers, reporting, wipe tests, separate nuclear source delivery and disposal all contributing to those high dollars.
I've tried ultrasonic density sensors, but above 10%...
thread698-149752
The best device I have come across is a direct mass per unit volume device. This measures a continuous and good representation of the media ( a 12" ID is 7 feet long, a 40" ID is 12 feet long). The signal is interrogated at 110 Hz, giving a response time is 45 milleseconds, so...
