Fluke 5128-2685 User manual

PN 4973688
March 2018
©2018 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
ООО «Флюк СИАЙЭС»
125167, г. Москва,
Ленинградский проспект
дом 37,
корпус 9, подъезд 4, 1 этаж
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5128-2685
Refillable Desiccant Cartridge
Instructions
Introduction
This document explains replacement of the Refillable Desiccant Cartridge (the Cartridge) used in the 5128A
RHapid-Cal Humidity Generator (the Product).
How to Contact Fluke Calibration
To contact Fluke Calibration, call one of the following telephone numbers:
Technical Support USA: 1-877-355-3225
Calibration/Repair USA: 1-877-355-3225
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: [phone]
Japan: [phone]
Singapore: [phone]
China: [phone]
Brazil: [phone]
Anywhere in the world: [phone]
To see product information and download the latest manual supplements, visit Fluke Calibration’s website at
www.flukecal.com.
To register your product, visit http://flukecal.com/register-product.
Safety Data Sheets
Before you remove the Cartridge, refer to the Safety Data Sheets (SDS) linked below:
SDS - 5128A Desiccant Cartridge, 5128-2680 - Orange Silica Gel
SDS – 5128A Desiccant Cartridge, 5128-2680 – Non-Indicating Drierite

5128-2685
Instructions
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Desiccant Cartridge Removal
To replace the Cartridge, remove it from the Product. When the Check Desiccant indicator on the Product is lit, or
the display shows , then the desiccant needs to be checked. Replace the Cartridge when the indicating
desiccant material is green. If the indicating desiccant is orange, it does not need to be changed.
To remove the Cartridge, see Figure 1:
1. Turn off the Product.
2. Turn the front panel cap ¼ turn counter-clockwise and remove the cap ().
3. Loosen the rear seal of the desiccant by gently nudging the front of the desiccant in various directions (up/down,
left/right).
4. Pull the spent Cartridge out of the Product () and insert a new Cartridge.
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Figure 1. Remove the Desiccant Cartridge

Instructions
Empty the Cartridge
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Empty the Cartridge
To empty the Cartridge, see Table 1:
1. Turn the D-ring on the Cover Assembly counterclockwise 2 or 3 turns to loosen it.
2. Push the D-ring down flush against the Cover Assembly to release the seal.
3. Gently rock and pull the Cover Assembly to remove it. If the Cover Assembly gets stuck, follow these
instructions:
a. The Cover Assembly includes a top and bottom disc with an O-ring gasket compressed in between the
discs. Unscrew the D-ring completely and remove the top disc.
b. Hold the Cartridge upright and gently push on one side of the bottom disc. This loosens the seal of the O-
ring and allows the Compression Spring to push the disc out of the tube.
4. Lift the Compression Spring, Vinyl Disc, and Felt Pad out of the Desiccant Cartridge.
5. Remove the used desiccant and dispose of it as recommended in the SDS instructions located at
www.flukecal.com.
6. Ensure there is no material left in the Cartridge.
7. Replace the bottom Felt Pads as needed. Discard used Felt Pads.
8. Clean the Cartridge interior and exterior using a low-pressure, clean-air supply.
Refill the Cartridge
To refill the Cartridge, see Table 1:
1. Pour new desiccant material in the Cartridge and fill the Inner Tube first. Gently tap the Cartridge during the fill
process to help the material settle.
2. Fill the desiccant to about 8 mm (0.3 in) above the Inner Tube.
3. Install Felt Pad, Vinyl Disc, Compression Spring, and the Cover Assembly (assemble the discs if they were
separated earlier) over the open end of the Outer Tube.
4. Push the Cover Assembly into the Outer Tube so that the shoulder is against the tube end and tighten the D-ring
to securely seal and hold it in place.
5. Inspect the entire circumference of the Cover Assembly to ensure that it is fully seated against the Outer Tube.
Pull or tug-test the D-ring to ensure the Cover Assembly is tight.
6. Place the Dry Seal Cap over the vented end of the Desiccant Cartridge if it is not going to be used immediately
after filling. This prevents the desiccant from absorbing moisture prior to use.
7. Remove the Dry Seal Cap before installing in the Product.
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Number Description Number Description
Dry Seal Cap – Remove before using in 5128A Vinyl Disc
Desiccant Cartridge (Outer Tube) Compression Spring
Desiccant Cartridge (Inner Tube) Cover Assembly
Felt Pads D-Ring
Table 1. The Desiccant Cartridge

5128-2685
Instructions
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