8 Maintenance
101
8
4.4 DPS Span Check
1)
Remove the plugs from
(Calibration port) and (Maintenance port).
2)
Disconnect the air pressure source from Test pressure port and make
sure that the air is completely exhausted from the pneumatic circuit of the
tester. Leave the pilot pressure source as it is.
3)
Connect the pressure generation source of calibration equipment to
the Maintenance port.
4)
Unlock settings and toggle to Manual mode.
5)
> Main Menu > Maint. > Inspection > Sensor > DPS
6)
Perform DPS offset adjustment.
7)
Close the stop valves on both WORK- and MASTER-sides.
8)
Press
►
and pressurize LS-R700 with the calibration equipment.
9)
DPS readout will be displayed on the screen of LS-R700.
10) Compare the readouts displayed on LS-R700 and displayed on the
calibration equipment.
4.5 PS Offset Adjustment
1)
> Main Menu > Maint. > Inspection > Sensor > PS
2)
Check whether the sensor is open to the atmosphere.
3) Select
Offset
4) Check whether the reading is within the tolerance.
5) Contact Cosmo for repair if the PS reading exceeds the Offset Limit.
4.6 PS Span Check
1)
Remove the plug from
(Maintenance port) and connect the calibration
equipment that is appropriate for the model to the Maintenance port.
2)
Leave the air pressure source connected to the Test pressure port but
regulate the pressure to 0.
3)
Unlock settings and toggle to Manual mode.
4)
> Main Menu > Maint. > Inspection > Sensor > PS
5)
Perform PS offset adjustment.
6)
Close the stop valves on both WORK and MASTER sides.
7)
Press
►
and pressurize LS-R700 with the calibration equipment.
8)
PS readout will be displayed on the screen of LS-R700.
9)
Compare the readouts displayed on LS-R700 and displayed on the
calibration equipment.
Normally DPS Span
calibration will be
performed by Cosmo.
Persons who have been
specially trained by Cosmo
can perform it as well, but
in that case, Cosmo does
not guarantee the
calibrated value.
CAUTION
Normally PS Span
calibration will be
performed by Cosmo.
Persons who have been
specially trained by Cosmo
can perform it as well, but
in that case, Cosmo does
not guarantee the
calibrated value.
CAUTION
