RKI Instruments GD-70D Series - Page 109

- 109 - GD-70D
CAUTION
Do not press the SET key before the reading is stabilized.
Accept Reading
Press the SET key when the reading has
stabilized.
* The reading must be above 10% of the full
scale value in order to continue.
2.0ppm
SPAN GAS
MAINTENANCE
Disconnect Gas
Disconnect the calibration tubing from the
tubing stub on the pyrolyzer’s GAS IN fitting.
↓
↓
Span Adjustment
Using the ▲ or ▼ keys, adjust the reading to
match the concentration shown in the “GD-
70D” column in the table at the beginning of
this section.
Press the SET key.
8.0ppm
SPAN VAL
MAINTENANCE
↓
↓
Span Adjustment Completed
The instrument will indicate whether the span
adjustment passed (OK) or failed (NG).
8.0ppm
SPAN OK
MAINTENANCE
OR
8.0ppm
SPAN NG
MAINTENANCE
↓
↓
↓
Return to 2-2.SPAN
Save Adjustment
To save the adjustment result, press the SET
key.
(Press the MODE key to cancel this menu.)
8.0ppm
SPAN Y/N
MAINTENANCE
↓
↓
Adjustment Completed
After the span has been recorded, the
instrument will return to 2-2.SPAN
automatically.
8.0ppm
SPAN END
MAINTENANCE
↓
Return to 2-2.SPAN
Returning to Detection Mode
Store the components of the calibration kit in a safe place.
Reconnect the dust filter and inlet line to the GAS IN fitting on the pyrolyzer.
Press and hold the MODE key to return to Detection Mode.
CAUTION
Exhaust gas must be collected
in the exhaust bag or discharged
through the exhaust line.