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CALIBRATION
9 - 7
ETC00781(4) Series 100 e 02/2004
9.2 Time-Controlled Calibration Mode (Option)
A time-controlled calibration only can be done with internal or separate external solenoid valves
via digital outputs. The automatic function of the analyzer must also be activated correctly (cf.
chapter 8.5).
With this function, the analyzer can perform an automatic calibration at preset time intervals.
The displays of the analyzer shows additional the functions t - AO and t - AS using the
FUNCTION - key.
Note !
For a time-controlled calibration procedure, the test gases must be supplied through “solenoid
valves” controlled by the analyzer in order to ensure the supply of test gases in correct
sequence.
If the test gas concentration has changed, the correct setpoint is to enter first (see chapter 9.1.2).
9.2.1 Zeroing
Push the key
until the displays show
Press the key
AUTOMATIC ZEROING (OPTION)