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ULTRA-E-F
without stopping and last for several years under such conditions?
A
: ULTRA-E-F is designed to work with high reliability under such conditions. It is provided
with an intelligent signal conditioning circuit and internal correction circuitry. It will work
under strong interference conditions and is able to adjust itself with strong or weak sound
waves. It will work in a wide band of voltage: 90-240VAC or 9V~28V DC voltage.
Q:
Why is the pipe not full of liquid or no flow in pipe, but still displays an unstable or wrong
reading?
A: Pipe must be full of liquid, if not, ENTER the menu window M29, setup a EMPTY PIPE Q
VALUE less than normal Q value (pipe is full of liquid), cut off abnormal reading, ULTRA-E-
F will display Zero reading.