Micronics portaflow 220, Руководство пользователя

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5: Troubleshooting
Portaflow 220 User Manual
33
(Issue 1.0)
5.4 Test Block
A test block is included with the Portaflow 220 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):
3. When the above data is entered, the
SENSOR SEPARATION
screen will be displayed.
4. Use the
UP/DOWN
scroll key to go to the
SENSOR SELECTION
menu. Select the appropriate sensor (the
default will be "
A
") and press
ENTER
to return to the
SENSOR SEPARATION
menu.
5. Select
Sensor mode
and position the cursor at
Diagonal
and press
ENTER
to return to the
SENSOR
SELECTION
menu.
6. Select
Exit
and press
ENTER
to return to the
SENSOR SEPARATION
screen.
7. Check that the parameters displayed are correct.
8. 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, and temporarily secure them in place using elastic bands
or tape.
9. Connect the sensors to the Portaflow 220 instrument using the cables provided.
10. Press
ENTER
to go to the
FLOW READING
screen.
11. Select the
Options
key to go to the
FLOW READING OPTION
menu and set the
Damping
to at least
10
seconds.
BATTERY ERRORS
Battery Low
Interpretation: The battery has discharged to below 30% remaining. This leaves the
instrument with approximately 4 hours remaining, depending on power usage,
before it needs recharging.
Response: Recharge the internal battery at the earliest opportunity. Do not leave
the instrument for a prolonged period with a fully discharged battery.
Battery Exhausted
Interpretation: The battery is approaching a fully discharged state and the
instrument is about to store the internal data and shut-down.
Response: Recharge the battery.
Parameter A Sensors B Sensors
Pipe outside diameter 26.0mm 53.0mm
Pipe wall thickness 6.0mm 7.0mm
Pipe lining thickness 0.0 0.0
Pipe wall material Mild Steel Mild Steel
Fluid type Water Water
Temp 20°C 20°C
Figure 5.2 Test block