RKI Instruments GD-70D Series User Manual

- 97 - GD-70D
CAUTION
Do not press the SET key before the reading is stabilized.
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
Open the hose clamp on the gas bag and
immediately connect the tubing to the tubing
stub on the GAS IN fitting
OR
Use the calibration tubing to connect the
demand flow regulator to the tubing stub on
the GAS IN fitting.
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
Disconnect Gas
Close the gas bag’s hose clamp and
immediately remove the gas bag from the
tubing stub on the GD-70D’s GAS IN fitting.
OR
Disconnect the calibration tubing from the
tubing stub on the GAS IN fitting.
↓
↓

RKI Instruments GD-70D Series Specifications

General

Brand	RKI Instruments
Model	GD-70D Series
Category	Gas Detectors
Language	English