SKC 225-105 GS-1 Cyclone - Manual

GS-1 Single-inlet Cyclone
Cat. No. 225-105
Operating Instructions
863 Valley View Road, Eighty Four, PA 15330 USA
Tel: 724-941-9701 Fax: 724-941-1369 e-mail: [email protected]
Description
The GS-1 Cyclone is a 10-mm, lightweight, single-inlet, conductive plastic
cyclone designed for use with either a Diesel Particulate Matt er (DPM) Cassett e
or a standard 37-mm 3-piece fi lter cassett e (25 mm with adapter accessory). This
cyclone can be used with the SKC Filter Cassett e Holder (Cat. No. 225-1) for personal
sampling in the breathing zone.
Performance Profi le
Media: 37-mm 3-piece cassett e with fi lter (25-mm with adapter
accessory) or DPM Cassett e
Flow Rate: • 2.0 L/min for 4.0 μm 50% cut-point (see Reference)
• 3.0 L/min for 3.5 μm 50% cut-point*
• 1.7 or 2.0 L/min for sampling with DPM Cassett e
Tubing: 1/4-inch ID
* Determined using experimental data obtained at fl ows from 2.0 to 4.0 L/min.
Assembly with Standard 37 or 25-mm
3-piece Cassette (Figure 1)
The GS-1 Cyclone is supplied fully assembled
with bowl adapter and 37-mm cassett e adapter. A
25-mm cassett e adapter is sold separately as Cat.
No. 225-101.
1. Determine cassett e diameter to be used with
cyclone.
a. If using a 37-mm cassett e, proceed to Step 2.
b. If using a 25-mm cassett e, remove 37-mm
cassett e adapter assembled on cyclone (pull
it off the top of the cyclone) and replace
with the 25-mm cassett e adapter accessory
(align with cyclone top and press on until
fi rmly seated).
2. Disassemble a three-piece cassett e and set
aside the inlet section (usually marked “inlet”).
Keep the inlet section for closing the cassett e
aft er sampling.
3. Select a fi lter and support pad as specifi ed in
the sampling method. Place support pad into
cassett e outlet section and place fi lter on top
of support pad. Insert cassett e ring (middle)
section into cassett e outlet section. Ensure a
fi rm seal.
Cassette ring (middle)
Cassette adapter
(37 mm, supplied
assembled with
cyclone body)
Figure 1
GS-1 Cyclone with standard 37-mm
cassette installed - exploded view
Bowl adapter
Cassette outlet
Plug
Filter
Support pad
Cyclone top
(supplied assembled
with cyclone body)
Thumbscrew
Cyclone body
Grit pot
Nodule for holder
Retaining tab