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3. Operation
3.1 Connect to SF6 electrical equipment
Connect the screw thread port to the switch joint
，
screw up it
，
then close the
needle valve on the other head of the tube.
Connect the quick coupling of the test tube to the inlet of the meter.
Connect the vent tube to the outlet.
At last
，
screw up the switch joint to the SF6 electrical equipment.
3.2
、
Initialization
Power on the meter
，
it will take 5 seconds to initialize.
3.3
、
Check the battery
The meter takes precedence for use alternating current.
Or when use direct current
，
view the battery on top right corner
，
ensure to power
off and charge battery when less than 20%.
3.4
、
Start
Open all needle valves of stream tube
，
use flow valve adjust flow to about
0.5L/M
，
then meter the dew point of SF6.
The first equipment is tested in 5
～
10minutes
，
and the next ones needs 3
～
5minutes.
3.5
、
Save data
After test
，
save the data
，
press menu
，
see menu in part4 for details.
3.6
、
Test other equipment
When complete one set of equipments
，
close the needle valve of the stream tube
and turn off flow valve. Take the adapter off from SF6 electrical equipment. If any
equipment needs to be tested
，
repeat steps above.
3.7
、
Test complete
After all tests, power off the meter.
4. Menu
In test status
，
press enter to the menu.
4.1 Save data
Save record
View record
Delete record
Change date
