Industrial Scientific TANGO TX2, Product Manual

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Figure 6.1 Instruction for manually performed maintenance
Calibration
Initiate calibration Calibration apply gas
Place the calibration cup over the case top; align its top groove
with the small ridge at the top of the instrument.
Press down to secure the cup in place; listen for a click.
Visually inspect the calibration cup to ensure its edges align
with the edges of the case top. To start calibration, press .
To cancel calibration, press
.
Apply the requested gas.
The instrument will wait up to
5 minutes.
To cancel calibration, press
.
Calibration in progress
Calibration results (pass)
Calibration results (H2S pass;
CO fail)
To start the flow of gas, turn the regulator knob in a
counterclockwise direction.
While the sensors are calibrated, the calibration-in-progress
screen displays the span reserve value.
Press to cancel calibration. If either sensor fails ("F"), press to repeat the calibration.
If both sensors pass ("P"), wait approximately 30 seconds for
the home screen to display.
— —
Stop the gas flow! Turn the
regulator knob in a clockwise
direction and tighten.
Remove the calibration cup
by lifting its tabs; set aside or
store for future use.