RKI Instruments GD-70D Series User Manual

- 37 - GD-70D
<Warm-up Sequence>
The warm-up taking approximately 25 seconds to complete.
Power On
↓
PW
A1
A2
F
LCD
Initial Clear
●
○
○
○
──────
WARM UP
↓
↓
Gas
Specifications
Display
●
○
○
○
15.0ppm
SIH4
↓
↓
Detection Mode
●
○
○
○
0.0ppm
SIH4
WARNING
• When Oxygen (OSU) is selected, fresh air (20.9 vol%) is
the output after the detector is started in the atmosphere.
For a specification where an alarm is triggered by the
AIR (normal oxygen concentration) output (e.g., 0 - 5
vol%), be careful of an alarm issue after the detector is
started.
CAUTION
• Do not turn off the detector during the initial clear. The detector is reading the sensor memory during
the initial clear.
• If a new sensor unit is installed or the sensor unit is replaced after the detector is started, the sensor
unit must be warmed up for a specified period which is determined depending on the type of the
sensor unit. Suggested warm-up time for SGU type sensor units is displayed in Maintenance Mode.
During the warm-up, the alarm activation and output signals are unstable. Prepare appropriately for
false alarms.
• Because the pyrolyzer unit (PLU-70) must be warmed up for one hour, please warm it up with the
detector.
• After the warm-up is completed, verify that the reading on the flow rate indicator corresponds to the
specified flow rate, and then perform a gas calibration.
PW:POWER
A1:ALM1
A2:ALM2
F:FAULT
●
:Lamp on
○:Lamp off

RKI Instruments GD-70D Series Specifications

General

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