Anemometer, CRBasic "Pconfig" issue_Campbellsci论坛问答

Hi,

I would like to know the consequence of defining a wrong Pconfig value for an A100R anemometer.
the A100R is a switching anemometer and not a high frequency(HF) anemometer

Anemometer, CRBasic "Pconfig" issue_Campbellsci论坛问答

In the CrBasic line below it has been defined as 0, a HF value when in fact it should have a value of 2 for a switch closure device

PulseCount(WS1_ms,1,1,0,1.25,0.1)

how will this affect my output wind speed?


thanks for your support

新对话如下:

Hard to tell definitively. The main difference is the measurement, in HF mode, will be subject to errors due to switch bounce, so one generally a switch closure could read as two or more counts.

The saving grace with the A100R (unlike many other switch closure anemometers) is that it still uses a mercury wetted relay contact. This is supposed to make the contact closure bounce free, i.e. guarantee one pulse per closure.

I have never tested this myself, but Vector state it is bounce free in their documentation. If so the readings should be OK.

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