Micronics Portaflow 222, Руководство пользователя

Страница: 48 / 57

Portaflow 222 & 333 User Manual Micronics
Page 44 Issue 3.1 Feb 20
Summary DD-MM-YY HH:MM:SS
Site: TESTBLK
Sensor separation: 2.0mm
Pipe OD: 50.0mm, ID 6.0mm
Sensor Type B-HT, Mode: Diagonal
Fluid type: Water @20.0°C
Press <- to continue, <> to select sens.
Sensors DD-MM-YY HH:MM:SS
->Sensor Set B-HT
Sensor Mode Diagonal
Return to Summary Screen..
Main Menu..
8.4 Test Block
A test block is included with the Portaflow equipment to allow the transducers and inter-connecting
cables to be functionally checked.
1. Switch ON the instrument.
2. Select Quick Start and enter the parameters shown in the table below for the appropriate
transducer type (A or B):
Parameter A Sensors B Sensors
Pipe outside diameter 30.0mm 50.0mm
Pipe wall thickness 14.0mm 22.0mm
Pipe lining thickness 0.00
Pipe wall material Plastic
Fluid type Water
Mode Diagonal
Temp 20°C
3. At the end of the Quick Start procedure (see
page 19), the Summary screen is displayed.
Press the UP or DOWN arrow button. The
Sensors screen is displayed.
4. Use the UP/DOWN scroll keys to select
Sensor Set . Press the ENTER key.
5. Select the appropriate sensor (the default will
be "A") and press the ENTER key.
6. Select Sensor mode , choose Diagonal and
press the ENTER key.
7. Select Return to Summary screen and press
the ENTER key.
8. Check that the3 parameters displayed are correct.
9. Apply acoustic couplant to the sensors and attach them to the test block with the connectors
positioned towards the centre of the test block as shown in Figure x, and temporarily secure
them in place using elastic bands or tape.
10. Connect the sensors to the Portaflow using the cables provided (see page 3).
11. Press the ENTER key to display the Flow Reading screen.
12. Press the SYSTEM key (2) to display the System Settings screen.
13. Set Damping to at least 10 seconds.
14. Select Save Setup & Exit and press the ENTER key to return to the Read Flow screen.
15. The flow reading value displayed is not important. The fact that a reading is obtained indicates
that the instrument is functioning. This value may fluctuate but this is normal.