RKI Instruments GX-82A - Manual (Page 26)

Model GX-82A Instruction Manual
062796 RKI Instruments, Inc. 23
Cylinder.
To change the calibration values, press the (SHIFT)/▼ and
DISPLAY/(ADJ.). The following screen will appear.
Press the AIR/▲ or (SHIFT)/▼ to adjust the LEL value to agree
with the concentration on the Four-Gas Cylinder. Press ON/OFF/
ENTER to advance to the SET CAL screen, the repeat the
adjustment procedure for O
2
, H
2
S and CO.
2. Perform Auto Calibration
After setting all Calibration Values, the display will return to the
Calibration Values screen.
a.Press ON/OFF/ENTER to go to the next screen:
b.Turn on the Four-Gas Cylinder and wait approximately 1 minute
for the flow and instrument readings to stabilize.
c.Press ON/OFF/ENTER to calibrate the detection circuits. The
AUTO CALIBRATION
50 12.0 25.0
SET CAL. <HC>
50 LEL
GAS/WAIT/ENTER
0 20.9 0.0 0