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7102
User's Guide
5-2
5.3 Bath Preparation and Filling
The 7102 Micro Bath is not provided with a fluid. Various fluids are available from
Hart Scientific and other sources. Depending on the desired temperature range,
any of the following fluids, as well as others, may be used in the bath:
• Water (distilled)
• Ethylene glycol/water
• Mineral oil
• Silicone oil
Fluids are discussed in detail in Section 8.3.
Remove the access lid from the bath and check the tank for foreign matter (dirt,
remnant packing material, etc.). Thoroughly dry the inside of the well with paper
towels before filling.
Fill the bath with clean unpolluted fluid. Under-filling may reduce bath
performance. The fluid should never exceed a height of 1.9 cm (0.75 inches)
below the top of the basket. Carefully monitor the bath fluid level as the bath
temperature rises to prevent overflow or splashing. Remove excess hot fluid if
necessary with caution.
Note:
200.05 Silicon Oil expands 2.54 cm (1 inch) for a 100
°
C increase in
temperature.
5.4 Power
With the bath power switch off, plug the bath into an AC mains outlet of the
appropriate voltage, frequency, and current capacity. Refer to Section 3.1,
Specifications, for power details.
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