Test and Measurement Forum

PWM logging

Which product is right for your exact requirements

PWM logging

Postby Guest » Tue Aug 09, 2005 3:17 pm


I am looking for device that can log percentage PWM values and voltages. The signal frequency range is up to 500hz. Do you have any model suitable for this application?

Thank you

Postby Sarah » Thu Aug 11, 2005 2:19 pm


Thank you for your post.

Our devices will generally take an analogue voltage input, therefore the suitability of our units will depend on the signals you are planning to input to them.

What is the nature of the inputs you want to put in? Are they all voltages? If so what sizes are they?

Best Regards

Postby Guest » Sun Aug 14, 2005 6:26 am

Thank you Sarah..

Yes the inputs are voltages in automotive electronics range. I want to monitor and log the outputs of engine control unit. Some of these are 12V PWM typical frequency up to 500hz, RPM signal and analog voltages such as MAP and TPS.


Postby ricardo » Mon Aug 15, 2005 2:36 pm

Hi Hening,

For measuring automotive signals we recommend using the ADC212 (2 channels) or the PicoScope 3423 (4 channels). These are the scopes we use in our Automotive Diagnostic Kits which also include current clamps, ignition pick up leads and a whole range of probes.

Please visit our website for more information on the Pico Automotive Diagnostic Kits,


Best regards,

Ricardo Paloschi
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