RKI Instruments GD-70D Series User Manual

GD-70D - 108 -
Then press and hold the SET key again for three seconds.
- - - -
M MODE
MAINTENANCE
↓
↓
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 calibration tubing to connect the
demand flow regulator to the tubing stub on
the GAS IN fitting of the pyrolyzer. Gas will
begin to flow. Do not connect the calibration
tubing to the inlet of the GD-70D. Calibration
gas must flow through the pyrolyzer in order
to get an accurate calibraton.
Allow gas to flow for 2 minutes.
↓
↓

RKI Instruments GD-70D Series Specifications

General

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