To install the flexible plastic tubing into the ultrasonic clamp-on flow sensor/flow meter, please follow the procedures below

• Open the ultrasonic flow sensor / flow meter lid by pressing the spring-loaded lid lock.

• Insert the tubing into the measuring channel of the sensor.

• Close the lid gently until it locks.

To improve the accuracy of flow rate measurements, make sure

• The tubing size and material match what was used in the factory calibration.

• The ultrasonic flow sensor / flow meter is clamped on a straight section of tubing, preferably with 10 cm of straight section before and after the ultrasonic flow sensor. This helps reduce the flow recirculation and disturbance.

• The positive flow direction aligns with the arrow direction on the sensor lid.

• Apply a thin layer of grease or Vaseline to lubricate the tubing when possible.