Am Instru Q-FP 201, Руководство пользователя

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§2.8.4 Time Ratio between the Measured Total Transit Time and the Calculated
Time
This ratio would be used to check the transducer installation. If the pipe parameters are entered
correctly and the transducers are installed properly, the value for this ratio should be in the range of
100±3. If this range is exceeded, the user should check:
(1) If the pipe parameters are correctly entered.
(2) If the actual spacing of the transducers is right and the same as what the window M25 shows.
(3) If the transducers are installed properly in the right directions.
(4) If the mounting location is good and if the pipe has changed shape or if there is too much
fouling inside the pipes
Other poor
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INSTRU Q-FP 201
Handheld Ultrasonic Flowmeter