iTRANS 2
FIXED POINT SINGLE OR DUAL GAS MONITOR
WITH DUAL ANALOG OUTPUTS
USER MANUAL
Revision 7.0
5.6.11 Zeroing
Zeroing is an option available both through the keypad and
non-intrusively. A “0 ” is displayed in the status bit of the
display to designate this function. A 10 second timer is
displayed on the bottom line of the LED display. To initiate
zeroing, press the “↵” key during the 10-second countdown.
If you do not initiate zeroing during the 10-second
countdown, the will return to the Normal Operating
Mode. If you initiate zeroing, the status bit will start to flash.
Once zeroing is complete, the unit will return to the Normal
Operating Mode. To abort zeroing at any time, press the
“Mode” key.
Figure 5-234 Sample Zeroing
Display
5.6.12 Calibration
The calibration option is also available through the keypad.
Calibration is designated with a “C” in the status bit. A 10
second timer is displayed on the bottom line of the LED
display. To initiate calibration, press the “↵”key during the
10-
second countdown. If you do not initiate calibration
during the 10-second countdown, the will return to
the Normal Operating Mode. If you initiate calibration, the
status bit will start to flash and the
zeroing process.
Figure 5-245 Sample Calibration
Display
NOTE: Before the will calibrate, the unit will enter the zeroing process. Please make sure
that you do not apply gas to the instrument while it is zeroing.
The will automatically zero before calibration. Zeroing is designated with a flashing “0”
in the status bit. Once zeroing is complete, the will automatically enter the calibration
routine. Calibration is designated with a flashing “C” in the status bit.
After zeroing finishes, the is ready to calibrate. When the flashing “C” appears on the
display, apply calibration gas. As the responds to the gas, the current reading will be
displayed on the top line of the LED display. To abort calibration at any time, press the “Mode”
key.
NOTE: Check and verify span setting before starting a calibration.
NOTE: Please refer to Appendix D for a complete list of factory default span gases.
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