Gas Detection (Australia) Pty Ltd
GTD 2000 Ex Operating Manual
Page 19 of 26
M-GTD2000Ex-01-01
-. This is the mode that sets calibration item, it’ll
change between three items -“ZERO”, “SPAN”,
“SEN-OT” -when every touching “
▲
” or “
▼
”switch.
[ C A L I B R A . ]
[ C A L I B R A . ]
-.Touching "FUNC" switch when “CALIBRA.SPAN” is
displayed and detector will go into Span Calibration
Mode
-. Touch “RESET” switch to go back to “CALIBRA
MODE”.
[ C A L I B R A . ]
[SPAN CAL]
-. This is the mode that injects standard gas into the
detector and measured value will be displayed at
holding on maximum value.
[SPAN GAS]
-. Insert Calibration gas for 1 minute at the rate of
500mL/min with calibrating tool.
-. Touch "FUNC" switch again when the reading is
stabilized and the detector will go to span value
setting mode.
-. Touch “
▲
” or “
▼
”switch to reset holding value and
the current measured value is displayed and held. (From
the moment of touch, the maximum measured value is
held)
-. Touch “RESET” switch to go back to “CALIBRA
MODE”.
[SPAN SET]
-. This is the mode that sets the value of the
standard gas, the value can be set by “
▲
” or
“
▼
”switch.
[SPAN SET]
- Touch "FUNC" switch again after the setting of
standard gas value, and span calibration is
automatically performed to show "SPAN SET
SUCCESS” for over 2 seconds on LCD display, and the
detector will go back to "CAL DATA” mode.
[SPAN SET]
-. If the Span Calibration is failed, display will show
"SPAN SET FAIL" for 2 seconds and return to the “CAL
DATA MODE”.
-. Touch “RESET” switch to go back to the “CALIBRA.
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