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AQUALAB TDL/TDL 2
4.2.2 CLEANING PROCEDURE
The procedure to clean AQUALAB TDL involves washing, rinsing, and drying each area.
NOTE: Isopropyl alcohol can be substituted for the Cleaning Solution.
1. Turn the AQUALAB TDL power OFF.
2. Open the chamber cover to expose the sample chamber and sensors.
3. Clean the sample chamber. The sample chamber consists of all surfaces inside the
orange O-ring when the lid is closed.
a. Remove any debris that may have collected within or around the sample chamber.
b. Wrap a new tissue around the end of the spatula and moisten it with cleaning
solution.
NOTE: Do not dip used tissue into the cleaning solution as the cleaning solution will become contaminated.
c. Clean upper chamber, O-ring, and all surfaces of the sample block within the orange
O-ring. Replace the tissue if it becomes too dirty during this process.
d. Clean lower block with a fresh KIMWIPES tissue. Clean the entire block surface.
e. Repeat steps b through d using a new KIMWIPES tissue moistened with deionized
water.
f. Repeat steps b through d using a new, dry KIMWIPES tissue to remove any moisture
remaining from the cleaning.
NOTE: Do not reuse tissues.
4. Clean the tunable diode laser.
a. Wrap a new KIMWIPES tissue around the end of the spatula and moisten it with
cleaning solution.
b. Gently swipe the moistened tissue across the TDL emitter and detector lens once. A
single swipe is usually sufficient to remove contaminants.
c. Repeat steps a and b using a new KIMWIPES tissue moistened with deionized water.
d. Repeat steps a and b using a new, dry KIMWIPES tissue to remove any moisture
remaining from the cleaning.
e. Visually inspect the tunable diode laser for cleanliness. Clean again if necessary.
5. Clean the IR sensor.
a. Wrap a new KIMWIPES tissue around the end of the spatula and moisten it with
cleaning solution.
b. Swipe the moistened tissue across the IR sensor. A single swipe across the sensor is
usually sufficient to remove contaminants.
c. Repeat steps a and b using a new KIMWIPES tissue moistened with deionized water.
d. Repeat steps a and b using a new, dry KIMWIPES tissue to remove any moisture
remaining from the cleaning.
e. Visually inspect the IR sensor for cleanliness. Clean again, if necessary.
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