ultrasonic flow meter field installation
2016-05-05
Ultrasonic flow meter
TDS - 100 type ultrasonic flowmeter is based on microprocessor technology, and its complete flow measurement instrument, compared with other conventional type flowmeter or other ultrasonic flowmeter, in addition to high precision, high reliability, high performance.
TDS - 100 series there are three kinds of ultrasonic sensors for the user to choose from: clamp-on type, insert type, in-line
We focus on the clamp-on type:
Before the installation choice of tubing dense part sensors installed in the first place, then install the pipe outside to sensor area clean, remove rust paint, rust layer should also be removed, if any, had better use Angle grinder, again with a clean dishcloth dips in acetone or alcohol to wipe the grease and dirt, and then to install sensors around the center of the tube wall coated with enough coupling agent, and then put the sensor against on the wall and bundled well, must pay attention to in the post can't use air bubble between sensor and tube wall and gravel
Installation method: four kinds: V, Z, N and W
When the pipe wall is very thick or suspended solids in liquid and pipe wall scaling factors of the lining is too thick or too thick, causing V method to install the signal is weak, the machine doesn't work, you need to install with the Z method, Z method is characterized by direct transmission of ultrasound in the pipe, no reflex (called ChanShengCheng), signal flare attenuation is small.
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