Cannon Instrument TESC - Manual (Page 22)

TESC Operator's Manual, Rev 1.0
16
Running an ASTM D2983 Test CANNON®
Table 9 — Thermal conditioning programs
Program Name
Test
Temperature Preheat
Temperature
Typical Product
D2983-TESC-Minus12-GO-
WatlowPgm.wcf –12 °C 90 °C Gear oils
D2983-TESC-Minus26-GO-
WatlowPgm.wcf –26 °C 90 °C Gear oils
D2983-TESC-Minus40-GO-
WatlowPgm.wcf –40 °C 50 °C Gear oils
D2983-TESC-Minus40-ATF-
WatlowPgm.wcf –40 °C 90 °C ATF, hydraulic, and
similar fluids
g. Click Exit .
Note: The Watlow® calibration offset is unique at each test
temperature; the offset for –40 °C may not be the same offset for –26 °C.
3. Using the Watlow® configurator program, verify that the proper calibration offset has
been entered into the program.
4. Autozero DV2T:
a. Remove spindle if present.
b. Lower viscometer to measurement position.
c. Level TESC System if necessary.
d. Press
Next on the DV2T AutoZero screen.
e. When the DV2T indicates AutoZero complete, raise viscometer.
5. Prepare a 20 mL sample according to your laboratory practices:
a. Insert a 25 mm × 150 mm test tube containing 20 mL ± 0.2 mL of the reference
sample into the test chamber and gently hand-tighten the cone ring.
b. Attach a clean #4B2 spindle to the viscometer.
c. Carefully lower viscometer into measurement position.