Installing Solar Electric Since 1983

 

Data monitoring and applications.

A to D converter was purchased as part of a kit:

http://www.dataq.com/products/startkit/di158.htm

Data monitor chassis interior. A/D converter in lower left corner. Voltage divider can be built on barrier strip to allow higher voltage samples. A/D converter connects to a computer via USB cable. Exterior of chassis. If samples are high voltage, these are present on bannana leads. Caution is always required to prevent arcing or shock hazards.
Waveforms of a normal generator start. Gen start signal is followed shortly by a good generator AC waveform.
Waveform of a generator failure. Weak generator waveform shows generator cranking followed by failure.