Mercon Products: distributed by Fisher Scientific
Unit 8, 7551 Vantage Way
Delta, B.C.
Canada V4G 1C9
Tech Assistance (800)926-8999
(604) 940-0975 or call Fisher Scientific
PRINCO Instruments Inc. (Accepts Standards Hg for Recycle)
1020 Industrial Highway
Southampton, PA 18966
(215) 355-1500
Conversion Factors
Temperature
To Convert
From
To Use Formula
C K T
k
= T
c
+273.15
F C T
c
= (T
f
-32)/1.8
Viscosity
To Convert From ltiply By
Poise Pa-sec 0.10
centi-Poise Pa-sec 0.001
centi-Stokes m
2
/sec 1e-6
lb.-sec/ft
2
Pa-sec 4.788026E+01
Pressure or Stress
To convert From Multiply By
Psi Pa 6.894757E+03
lb./in
2
Pa 6.894757E+03
Atm (STD) Pa 1.01325E+05
Atm(1 kgf/cm2) Pa 9.80665E+4
bar Pa 1.0E+5
dyne/cm2 Pa 0.10
ksi (kip/in2) Pa 6.894757E+6
Troubleshooting
Flow Rates are Changing
Cleanliness of the barrel and components is a critical factor in the behavior of
materials. The barrel of the unit should be cleaned as well as possible. All
components associated with the instrument (Piston tip and Orifice) should be
cleaned of all debris and material build-up. Remove the orifice to clean it. Next,
the units’ component tolerances and operational components should be checked:
The barrel temperature should be checked with the supplied
thermometer. (+/- 0.2° C)
The orifice should be checked for wear with the supplied GO-NO GO
gauge. (0.0825 +/-0.0002 in.)
Series 4000 Melt Indexer Operation Manual Instrument Maintenance and Troubleshooting
65
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