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D-160TS-7-E
18
9.
OPERATION
Initiate operation in the following steps:
①
Confirming the fluid specification
Make sure that the fluid specification (composition, pressure, temperature, etc.) conforms to the meter
specifications.
②
Leak check
Fill the meter with the fluid and check for any leak.
③
Turn on power
Upon completion of wiring connections, turn on power. Verify that the receiving instrument will not
register erratic counts with no flow. (Power source voltage: 24 to 32VDC)
The meter goes into operational status about 40 seconds upon power on.
④
Starting up the measurement line (running fluid to be measured)
By starting up the pump or opening the valve, carefully allow the fluid to flow. (To avoid adverse effect, do
not increase the flow rate abruptly.)
⑤
Introducing the gas into the sensor
By opening up the block valves in the sensor housing, allow gas into the sensor assembly.
★
Open the block valves A, B and C in the sensor housing by approx. 1.5 turns.
Fig. 9.1
1. Block valves labeled "A", "B" and "C".
2. Following gas introduction, make sure there is no gas leak from block valves, etc.
3. A hex wrench (JIS B 4648, nominal size 5) is required for opening and closing the block
valves.
⑥
Confirming the operation
Verify that the receiving instrument registers properly. Confirm that fluid conditions (temperature,
pressure, etc.) and flow rate conform to the meter specifications.
◆
If the meter is to be left idle for an extended period of time
◆
If you plan to leave the meter idle for extended periods of time, we recommend that the block valves in
the sensor housing be shut off to protect the sensor.
Terminal Box
Sensor Housing
A
B
C
※ A, B, and C are block valves.
NOTE
:
NOTE
: