Branson 1800 Operator's Manual page 57

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Glass Slide Test
Check your ultrasonic bath periodically to test the level of activity of the
ultrasonic cavitation. Frequency of testing will depend on your use of the
unit, however, Branson suggests running this test monthly.
You will need the following equipment:
• Frosted microscope glass slide (1" x 3"), such as Fisherbrand
#12-550-343 frosted microscope slides, or equivalent;
• No. 2 lead pencil; and
• General purpose household cleaning solution, such as Dawn
soap.
Test procedure:
1. Prepare a fresh solution with general purpose household cleaning
solution (concentration 1%) and warm tap water 49 °C – 60 °C
(120 °F – 140 °F).
2. Fill the tank to within 3/8 inch (1 cm) of the "operating level" line.
3. Turn the ultrasonics on for at least five to ten minutes to allow for
degassing.
4. Prepare the glass slide by first wetting the frosted portion with tap
water.
GLASS SLIDE
FROSTED END
1. Fisherbrand is a registered trademark of Fisher Scientific Company.
2. Dawn is a registered trademark of Procter & Gamble Company
U.S.A.
53 Troubleshooting
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