RKI Instruments GX-2003 Betreibershandbuch PDF herunterladen (Seite 81)

GX-2003 Operator’s Manual Replacing a Sensor • 74

Figure 9: Replacing the CO and HC Filters

5. Carefully screw the filter retainer with the filter back into the

correct position in the flow chamber.

Replacing a Sensor

1. Verify that the Model GX-2003 is off.

2. Unscrew and remove the three screws that secure the flow

chamber to the back of the GX-2003.

3. Gently pull on the exhaust to remove the flow chamber from the

case and expose the sensors.

4. Remove the sensor from its socket.

5. Carefully insert the replacement sensor in the correct socket.

HC Filter Retainer

CO Filter Retainer

CO Filter

HC Filter

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Model GX-2003 1
GX-2003 Operator’s Manual 2
Warranty 3
Table of Contents 4
Chapter 1: Introduction 8
About the GX-2003 8
Specifications 10
About this Manual 11
Chapter 2: Description 12
Overview 12
Instrument Description 12
Combustible Gas Sensors 14
Oxygen Sensor 14
S Sensors 15
CO and H 15
Alarm LED Arrays 16
Infrared Communications Port 16
Vibrator 16
Batteries 16
HC Filter 17
CO Filter 18
Belt Clip 19
Bar Hole Probe (Optional) 20
Start Up, Normal Mode 21
With All Modes Active 24
>NORMAL MODE 25
BAR HOLE MODE 25
LEAK CHECK MODE 25
Measuring Mode, Normal 26
Operation 26
Combustible Gas Detection 27
Measuring Mode, Alarms 28
Alarm Indications 29
Responding to Gas Alarms 31
Responding to Battery Alarms 32
HC Range Screen 33
ID Screen 34
Peak Screen 35
Elapsed Time Screen 35
TWA/STEL Screen 35
Clear Data Logger Screens 36
Remaining Log Time Screen 37
Data Logging 38
Data Cal 2000 38
Calibration Mode 39
Preparing for Calibration 40
Calibrating the GX-2003 40
CH4 CALIBRATION 44
APPLY GAS 44
ADJ/ENTER 44
Adjusting the LCD Contrast 45
Start Up, Bar Hole Mode 46
CH4 0%LEL 49
OXY 20.9VOL% 49
ENTER:MEASURE 49
DISP :PURGE 49
Bar Hole Testing 50
Start Up, Leak Check Mode 53
Leak Testing 57
Chapter 6: Setup Mode 59
Tips for Using Setup Mode 60
Using Setup Mode 60
LUNCH BREAK 62
CALIBRATION TIME 66
REMAINING 66
Exiting Setup Mode 74
Chapter 7: Maintenance 75
Troubleshooting 75
Symptoms 76
Probable 76
Recommended Action 76
Replacing or Recharging the 77
Red Charging LED 79
Side View 80
Top View 80
HC Filter Retainer 81
CO Filter Retainer 81
Figure 10: Replacing a Sensor 82
Parts List 85
Table 7: Parts List (cont.) 86
Calibration Cylinder 87
Regulator 87
Hose Clamp 87
Calibration Tubing 87
C CH4 50%LEL 90
A OXY 12.0VOL% 90
L H2S 25.0ppm 90

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