Cannon Instrument D155 Density Meter - Manual (Page 44)

41
6-3-7. There is poor repeatability on measured values
Contact our local dealer to
check the cell.
START
Is the sample homogeneous?
Is there
any repeatability for the
measurement with
pure water?
Is the work bench vibrating?
Any sample residue
in joint portions (tube nozzle A,
joint B or the like)?
Are air bubbles found
in the sample?
Is the measuring cell dirty?
Is the temperature of
measuring cell stable?
Repeat sampling. (When air bubbles
appear again, refer to Section 6-3-6.)
Stir to make it homogeneous. (No
repeatability when the sample is
unevenly mixed.)
Overhaul the joints and clean
them.
Rinse the cell thoroughly .
Measure after temperature
becomes stabilized.
Yes
No
Contact our local dealer.
Is everything O.K.?
END
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Measure the sample on a
stable bench.
No
CANNON ® D155 Density Meter Instruction & Operation Manual
Version 1.1b – August 2014; CANNON® Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA