Cautions - Fluke 7341 User Manual

7341 Calibration Bath
User's Guide
1.2.2
4
• High voltage is used in the operation of this equipment. Severe injury or
death may result if personnel fail to observe the safety precautions. Before
working inside the equipment, turn off the power and disconnect the
power cord.
BATH FLUIDS
• Fluids used in this bath may produce noxious or toxic fumes under certain
circumstances. Consult the fluid manufacturer's MSDS (Material Safety
Data Sheet). Proper ventilation and safety precautions must be observed.
• The instrument is equipped with a soft cutout (user settable firmware) and
a hard cutout (set at the factory). Check the flash point, boiling point, or
other fluid characteristic applicable to the circumstances of the bath oper-
ation. Ensure that the soft cutout is adjusted to the fluid characteristics of
the application. As a guideline, the soft cutout should be set 10°C to 15°C
below the flash point of the bath fluid. See Section 8.1, Heat Transfer
Fluid, for specific information on bath fluids and Section 9.10, Cutout.

CAUTIONS

• Always operate this instrument at room temperature between 41°F and
122°F (5°C to 50°C). Allow sufficient air circulation by leaving at least 6
inches (15 cm) of clearance around the instrument.
• When filling the tank, ensure the immersion coils are completely covered.
DO NOT fill above the stir baffle (see Figure 1 on page 14).
• DO NOT overfill the bath. Overflowing fluid may damage the electrical
system. See Section 5.3, Bath Preparation and Filling, for specific instruc-
tions.
• Read Section 6, Bath Use, before placing the bath into service.
• DO NOT turn the bath on without fluid in the tank and the heating coils
fully immersed. See Section 7.4.1, Fluid Expansion Reservoir, for more
information on Fluid Expansion Reservoir use.
• DO NOT change the values of the bath calibration constants from the fac-
tory set values. The correct setting of these parameters is important to the
safety and proper operation of the bath.
• The refrigeration may be damaged or the lifetime shortened if the
set-point temperature is set above 60°C for more than one hour with the
refrigeration manually on. Ensure that the refrigeration is off when the
bath is used above 60°C.
• The Factory Reset Sequence should be performed only by authorized
personnel if no other action is successful in correcting a malfunction. You
must have a copy of the most recent Report of Test to restore the test pa-
rameters.
• DO NOT operate this instrument in an excessively wet, oily, dusty, or
dirty environment. Silicone oils require additional ventilation to prevent
an oily, dirty environment.