Oldham iTrans, User Manual

Page: 42 / 88

Operation iTrans Fixed Point Single/Dual Gas Monitor
5-6 iTrans User Manual (P/N: 77023554-1)
5.5.4. 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.
Figure 5-9. Sample Zeroing Display