SKC 225-01-01 Operating Instructions

Aluminum Cyclone
25 mm - Cat. No. 225-01-01
37 mm – Cat. No. 225-01-02
Operating Instructions
The SKC Aluminum Cyclone
The SKC Aluminum Cyclone is a lightweight respirable dust sampler that is used with a
filter loaded into a three-piece 25 or 37-mm filter cassette.
Flow rate: 2.5 L/min to conform to the ISO 7708/CEN criteria included in the OSHA and
MSHA silica rules
Other flow rates may be used to achieve cut-points for alternate applications.
Operation
Assembly
1. Disassemble a three-piece cassette and set aside inlet section (usually marked "inlet").
Remove plug from cassette outlet.
2. Select a filter and support pad as specified in sampling method. Insert cassette ring
(middle) section into cassette outlet. See Figure 1.
3. Insert cyclone into cassette ring and press firmly. Leave grit pot in place during flow
rate verification and sampling.
4. Insert cyclone/cassette assembly through large opening of filter cassette holder (see
Figure 3). Ensure assembly is seated firmly in holder by inserting cyclone's side pin
(small round nodule on rim of cyclone) into notch in filter cassette holder.
5. Secure assembly in holder by stretching spring-loaded hold-down plate over cassette.
Insert Luer adapter (located in end of rubber tubing) into cassette outlet.
skcinc.com
Figure 1. Exploded view of cyclone
filter cassette assembly
Form 3803 Rev 240717