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OPERATION MANUAL
© AMETEK, Inc.
The ceramic must be exchanged.
The arc pins itself are damaged and can’t produce an arc.
The arc pins must be exchanged.
In case the dPmax is less than 1,0kPa during two ignition cycles, the warning to clean the arc pins is shown to the
operator.
If the problem can’t be solved with cleaning the arc pins contact our local representative or Grabner
Instruments directly for further assistance.
16.6 Pressure detection problems
If the Delta p values are very low or zero during the measurement and even at a flash do the following:
Check if the ignition system is working
Check if the air pump is working, if all tubing is ok and connected
Check if the calibration constants are equal to the constants of the last certificate
Be sure that the sample cup is not scratched
Check if the measuring chamber is leaking
If you have done all these things and there is still the same as before, please contact your nearest service partner or
Grabner Instruments.
16.7 Temperature problems
The temperature is fluctuating strongly, or it doesn’t follow the temperature regulation:
Check if the sample temperature sensor is bent or broken.
If the differences between sample temperature and oven temperature are too high (>7°C – cup filled with sample and
in upper position) check the position of the sample temperature sensor.
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