Download SY14B Man Dec05.DOC - Hoffer Flow Controls, Inc

8.3
UUT SYSTEM OPERATION CHECK
Perform a complete test of the UUT transfer standard using the following procedure.
1.
2.
3.
•
Perform a visual inspection of all cabling.
Examine flowmeter and/or replace the flowmeter bearings.
Verify proper flowmeter pickup coil resistance with an ohm meter.
Connect the CALIBRATOR and UUT system using standard trade practices and the figure below.
SY14B-VR2-FM cable,
connect from Transfer
Standard Flowmeter to the
UUT input of CALIBRATOR
Hoffer Master
Flowmeter
connection
UUT Transfer Standard
Temperature probe
connection
Hoffer Master Temperature
Probe connection
CALIBRATOR
UUT
Transfer Standard
Control Valve
Fluid flow
retrun to
tank
Hoffer Master
Flowmeter
Fluid
flow
from
pump
Transfer Standard
Temperature Probe
Hoffer Master
Temperature Probe
Transfer Standard
Flowmeter
Transfer Standard
Blow-Down Valve.
Figure 8-1
Connection diagram for Flowmeter Calibration
•
Turn the power on for both the CALIBRATOR and UUT systems.
•
On both the CALIBRATOR and UUT systems use the PRINT key at the label field “TEST
TYPE” to select SENSOR CHECK. Press the START key on both systems to enter the SENSOR
CHECK test mode.
•
On both systems use the scroll key to display PRINT SETUP. Press the PRINT keys on both
systems to print the setups. Verify that the CALIBRATOR configuration matches the
configuration of the UUT system. Pay particular attention to the UNIT OF MEASUREMENT and
SYSTEM OF MEASUREMENT settings. If the configuration of both units do not match, enter
the CONFIGURATION mode of the CALIBRATOR and set its configuration to match the
configuration of the UUT.
WARNING: If the SY-14B units and System of Measure option in the CONFIGURATION
Mode do not match the display units of the UNIT UNDER TEST(UUT), inaccurate test results
will occur.
•
SY-14B
Continue with the next section SYSTEM COOL DOWN.
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HP-220