www.gastron.com
26
_
27
GTD-5000F
Instruction Manual
7. System Mode
7. System Mode
7.6. Span Calibration
- - When "FUNC" key is pressed for 2 sec or longer in gas concentration display mode at the same time,
it enters menu selection mode.
UP key or DOWN key to select "CALB" (Configuration mode) then press "FUNC" key to turn on CAL LED
on bottom left and enter calibration mode.
- UP key or DOWN key to select "SPAN" (Span Calibration mode) then press "FUNC" key to enter
Span configuration mode.
- Select whether to proceed to Span Calibration of not. Using "UP key or DOWN key, select "YES"
then press "FUNC" key.
- It is a mode that sets standard gas value when concentration number is flashing. Use UP key or DOWN
key to set a value then press "FUNC" key.
- (CT Type) Using a calibration tool, inject the standard gas into the sensor at a flow rate of 500 mL/min
for 1 min.
- (IR Type) Using a calibration tool, inject the standard gas into the sensor at a flow rate of 1000 mL/min
for 90 sec.
- When the measurement is stable after gas injection, press "FUNC" key to automatically run
Zero calibration and display "WAIt" message.
- When the calibration is successful "GOOd" is displayed for 2 sec then it changes to calibration
concentration display mode.
- When the calibration is unsuccessful "FAIL" is displayed for 2 sec then it changes to calibration
concentration display mode.
- Pressing "FUNC" key in calibration concentration display mode displays "End". Pressing "FUNC" key again
returns to "CALB" mode.
- It means that it has completed setting and changing of the program mode. Pressing "FUNC" key changes
to menu mode.
7.7. Alarm Data Setting (Alarm Mode)
- When "FUNC" key is pressed for 2 sec or longer in gas concentration display mode at the same time,
it enters menu selection mode.
- UP key or DOWN key to select "ALAM" (Alarm mode) then press "FUNC" key to alarm setting mode.
- It is a mode that sets Alarm latch type (Latch). Pressing "FUNC" KEY enters LATCH setting function.
- Pressing UP key or DOWN key changes "ON" and "OFF" mode.
- When a desired alarm latch type is displayed, press "FUNC" key to set it and enter the next item.
- Alarm Latch Type has two modes; "ON" and "OFF". "OFF" mode automatically resets alarm. When "ON",
the user must press "RESET" key to release and reset the alarm.
- It is a mode that sets energizer function of the Trouble/ alarm relay. Pressing "FUNC" key enters alarm
relay energizer setting mode.
- Pressing UP key or DOWN key changes "ON" and "OFF" mode.
- When a desired energizer mode is displayed, press "FUNC" KEY to set it and enter the next item.
- Energizer mode has two modes; "ON" and "OFF". When it is in "OFF" mode, relay contact is automatically
connected upon an event of trouble/alarm with the relay contact connection turned off. In "ON" mode,
the contact connection turns off upon an event of alarm with the relay contact connection on.
- Alarm1 setting mode message displays "AL-1".
- It is a mode that sets Alarm1 Level threshold. It can be set in a range of 1~90% of set high scale value.
- Pressing UP key or DOWN key increases or decreases Alarm1 threshold, respectively.
- When a Alarm1 1 threshold is displayed, press "FUNC" KEY to set it and enter the next item.
- Alarm level is set to the concentration outlined in domestic regulations as factory setting.
- It is a mode to set a direction of Alarm 1 operation. Pressing "UP key or DOWN key displays "1H" or "1L",
respectively.
- "1H" sets the alarm to run at Alarm1 threshold or higher. "1L" mode runs at Alarm 1 threshold or lower.
- When a desired mode is displayed, press "FUNC" KEY to set and enter the next item.
