RKI Instruments GX-3R User Manual

GX-3R Operator’s Manual Chapter 5: User Mode and Calibration • 59
7 . Use AIR to scroll to the channel whose calibration gas value you want to change.
8 . Press and release POWER MODE. The calibration value begins to flash. In the example
below, the combustible gas channel is selected.
9 . Use AIR to adjust the calibration gas value. The calibration gas value in the instrument
must match the value listed on the calibration gas cylinder you are using for that channel.
NOTE: If you are using an RKI 4-gas cylinder, be sure to set the O
2
channel to 12%, not
0%.
10 . Press and release POWER MODE to save the change. The calibration gas value stops
flashing and the unit returns to the channel selection screen.
11 . Repeat Step 7 through Step 10 for any other channels that need to be changed.
12 . Use AIR to scroll to ESCAPE.
13 . Press and release POWER MODE. The instrument returns to the CAL--P menu item in
the Auto Cal Menu.
CAL--P
M 7:49
- - -
CH4 %LEL
CAL--P
M 7:49
- - -
O2 %
CAL--P
M 7:49
- - -
H2S ppm
CAL--P
M 7:49
- - -
CO ppm
ESCAPE
M 7:49
AIR
AIR
AIR
AIR
AIR
CAL--P
M 7:49
50
CH4 %LEL

RKI Instruments GX-3R Specifications

General

Brand	RKI Instruments
Model	GX-3R
Category	Measuring Instruments
Language	English