RKI Instruments GP-01 with self resetting alarms - Manual (Page 29)

Model GP-01 Operator’s Manual Maintenance • 29
3. When a full charge has been reached, approximately 40 minutes, the
red LED on the charging station will turn off. Remove the battery pack
from the charging station and unplug the charging station’s power cord
from the AC outlet.
Replacing the Combustible Sensor
WARNING: Replace the sensor in a non-hazardous environment.
1. Verify that the Model GP-01 is off.
2. Remove the sensor end protective rubber boot.
3. With a small Phillips screwdriver, carefully unscrew the two screws that
hold the sensor retainer in place.
Red Charging
LED
Battery Pack
Figure 9: Putting Battery Pack Into Charging Station
Sensor Retainer
LEL Sensor
POWER MODE
AIR
GP-01
%LEL
Figure 10: Removing the Sensor Retainer