INFICON SKY CDG025D 0.1 ... 1000 Torr / mbar - Manual (Page 22)

22 tina49e1-c (2009-06)
Briefly press the <ZERO> button with a pin (max.
ø1.1 mm). The zero adjustment runs automatically. The
<STATUS> LED flashes until the adjustment (duration
≤8 s) is completed.
Press the button briefly
max. ø1.1 mm
After zero adjustment the gauge automatically returns to
measurement mode. The <RUN> LED lits.
The zero can also be adjusted via the RS232C interface
( → [4]).
The <RUN> LED flashes if
• the signal output is negative (< -20 mV) when the final pres-
sure has been attained
• the zero adjustment has failed.
4.2.2 <ZERO> Adjustment with Ramp Function
The ramp function allows to adjust the zero at a known reference
pressure within the measurement range of the gauge.