RKI Instruments 01 Series Manual - Manual (Page 11)

01Series Operator’s Manual Description • 6
Alligator and Belt Clips
The 01 Series is available with two types of clips, the alligator clip and the
belt clip. Both are illustrated in Figure 2 below.
The alligator clip can be used to attach the 01 Series to clothing or a belt.
Teeth in the clip’s jaws prevent the unit from slipping off. The belt clip is
used to easily clip the 01 Series on a belt.
Membrane Retainer/Sensor Cover
The membrane retainer is held in place by a single Phillips screw. Beneath
the membrane retainer is a paper-like filter disk, the sensor cover. The
sensor cover protects the sensor from dirt and moisture.
The sensor cover fits into a recessed area and is held in place by the
membrane retainer. The sensor cover should be inspected periodically and
replaced if contaminated by dirt or moisture. Refer to the Maintenance
section for sensor cover replacement instructions.
Charcoal Filter Disk in CO-01
The CO-01 includes a charcoal filter disk which is located in a recessed
area beneath the sensor cover. The charcoal filter disk removes gases
from the sampled air that will cause a response on the CO sensor such as
H
2
S and certain hydrocarbons. If false or elevated CO readings are
Alligator Clip
Belt Clip
Figure 2: Alligator & Belt Clips