18
SPM Flex Gas Detector
Installing a Chemcassette cartridge
Close the Chemcassette cartridge door before putting the detector into Monitor
mode (this holds the Chemcassette cartridge in place)� Take the detector out of
Monitor mode before opening the door�
Chemcassette cartridges must be stored according to the manufacturer’s
guidelines when not in use�
NOTE
Optics gate card
Take-up spindle
Encoder
Chemcassette
cartridge
Figure 7. The optics gate card and Chemcassette cartridge
1. If the detector’s handle is installed, release it by unscrewing the thumbscrew. For
fixed installations, skip to Step 3.
2. Tilt the handle up as far as possible.
3. Unfasten the latches on the sides of the detector (two on each side) that secure the
Chemcassette cartridge access cover.
4. The detector has slotted hinges. Lift up the cover slightly and then open it all the
way to the right.
5. Select the Change Chemcassette menu option and follow the on screen
instructions.
6. If required, remove the old Chemcassette cartridge. When prompted, snap the new
Chemcassette cartridge into place. It will t in only one orientation. The take-up
spindle will rotate slightly to allow the cartridge to snap into place.
7. To close the cover, position it over the base and press so that it contacts the gasket
uniformly.
8. Close the latches on the sides of the detector to secure the cover.