Oldham iTrans 2, Installation And Operation Manual

Page: 42 / 106

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Calibration
Calibration is the next available
option. 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, place the
magnetic wand over CH2 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
will enter the zeroing
process.
Figure 5-8 Sample Calibration Display
NOTE: Before the will calibrate, the unit will enter the zeroing
process. Please make sure that you apply Zero Air 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, place the
magnetic wand over CH1.
NOTE: Check and verify span
setting before starting a calibration.
NOTE: See Appendix D for a
complete list of factory default span
gases.
Figure 5-9 Sample Zeroing Display