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- 105 -
GD-70D
CAUTION
Do not press the SET key before the reading is stabilized.
↓
↓
2-0.GAS TEST
The first item in Maintenance Mode will display.
2- 0
GAS TEST
MAINTENANCE
Performing a Zero Adjustment
2-1. ZERO
Press the
▲
key until the
ZERO
screen
displays.
Press the SET key.
2- 1
ZERO
MAINTENANCE
↓
Current Concentration Value Display
Press the SET key to perform the zero
adjustment.
1.1ppm
ZERO SET
MAINTENANCE
↓
Zero Adjustment Completed
The instrument will indicate whether the zero
adjustment passed (OK) or failed (NG) and
will return to 2-1.ZERO automatically.
0.0ppm
ZERO OK
MAINTENANCE
OR
0.0ppm
ZERO NG
MAINTENANCE
↓
↓
Return to 2-1.ZERO
Return to 2-1.ZERO
Performing a Span Adjustment
2-2. SPAN
Press the
▲
key until the
SPAN
screen
displays.
Press the SET key.
2- 2
SPAN
MAINTENANCE
Connect Gas
Use the humidifier to connect the calibration
cylinder to the GAS IN fitting.
Hold the
humidifier assembly by the clear tubes at the
ends when installing or removing the
humidifier to avoid damaging the humidifier.
Do not hold the humidifier tube itself.
Allow gas to flow for 2 minutes.
↓
↓
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
Содержание GD-70D Series
Страница 15: ... 15 GD 70D Tubing Diagram ...
Страница 43: ... 43 GD 70D Alarm Pattern L H Alarm Pattern L LL oxygen deficiency alarm ...
Страница 45: ... 45 GD 70D Alarm Pattern L H ...
Страница 58: ...GD 70D 58 Return to Detection Mode Press the TEST key for 3 seconds ...