TM 5-6640-212-14
Figure 2-7. Kinematic ViscosityBaths
(2) Adjust the thermoregulator by turning the collar
(5) Place a suitable thermometer in the thermometer
until the pointer reaches the desired temperature.
well.
(6) Place the line switch in the ON position. Place
the heater switch in the HIGH position to bring bath
NOTE
quickly to desired temperature. When the pilot light
The
on
the
extinguishes, the bath has reached the temperature set
thermoregulator should be used for
on the thermoregulator.
reference only, with the actual setting
(7) Allow the apparatus to stabilize and reach
being made according to temperature
read from a calibrated thermometer of
(8) Check the controlling temperature against the
the proper range placed in the bath.
temperature reading of the thermometer. Make final
temperature adjustments by turning the adjustment collar
(3) Carefully slip the thermoregulator down in to the
on the thermoregulator.
protective guard and screw firmly in place.
(9) Turn the heater switch to the desired position.
(4) Place the bayonet-type connector leading from
(10) To shut off the apparatus, place the line switch
the base of the unit over the top of the controller. To
in the OFF position.
engage, push down and turn clockwise.
(11) For detailed description of test procedures,
consult ASTM Method D445 (TM 10-1166).
CAUTION
Do not operate the beaters unless
they are immersed in liquid.
2-15