Equipment Connections 95
Leak
Relay is Active (NO) if the preset trigger level is exceeded
Ready
Relay is Active (NO) as long as the Protec P3000 is ready for measurements.
6.1.4.2 Recorder Outputs
Technical data
Pin assignment
For details please refer to section 4.5.2 (Recorder outputs)
6.1.5 How to perform a calibration?
A calibration process is started by setting the CALIBRATION input to HIGH after the
sniffer probe tip has been placed in front of a test leak. The
READY signal will go to
HIGH after the calibration process has started.
Analogue output
0 … 10 V
max. 1mA
Pin Command
1 Leak rate, analogue output, linear scale
14 Leak rate, analogue output, logarithmic scale
Fig. 68
Leak rate
Cal (Input)
Ready (Output)
Cal stable (Output)
Measurement
helium
Measurement
air