GX-6000 Operator’s Manual ESS-03 Calibration • 184
2 . When you review the auto calibration values, confirm that the ESS-03’s
auto calibration gas value matches the calibration cylinder.
a. If you need to change an HCN channel’s auto calibration value, the
procedure is slightly different since PH
3
can be used to calibrate the
HCN channel. When you move the cursor to HCN in the
Concentration Screen and then press and release the POWER/
ENTER button, the Alternative Gas Screen will appear. The HCN
concentration will be flashing.
b. Use the â–²AIR and SHIFT â–¼ (PANIC) buttons to change the HCN
concentration. As the HCN concentration changes, the PH
3
concentration will also change. If you are using HCN to calibrate the
HCN sensor, adjust the HCN concentration until it matches the
concentration listed on your cylinder. If you are using PH
3
to
calibrate the HCN sensor, adjust the HCN concentration until the PH
3
concentration matches the concentration listed on your cylinder.
3 . After you have completed Step 30 on page 82, the Auto Cal Menu will
be displayed. Continue with Step 4 below.
AUTO
CONCENTRATION
ALTERNATIVE GAS
PH3 / 9
1.1 ppm
HCN 10.0 ppm
ESCAPE
HCN concentration
PH3 concentration
AUTO
AUTO CAL
CONCENTRATION
GAS SELECT
ESCAPE
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