Search found 4 matches

by fwadmin
Tue Nov 04, 2008 12:58 pm
Forum: General Discussion
Topic: PC based function generators
Replies: 2
Views: 1498

PC based function generators

I have software that connects to special engine hour meters that measure the pulse output (sine wave) from an alternator to determine if the machine is idling or running. To test the meters on the bench I usually hook them up to a function generator and turn up and down the frequency. I want to set ...
by fwadmin
Sat Mar 10, 2007 9:04 pm
Forum: General Discussion
Topic: Reading Pulse signal from a flow meter
Replies: 12
Views: 3419

Thanks everyone for the replys. Unfortunately you guys for the most part are way over my head but this is all very helpful. philba - what you mentioned is exactly what I had in mind. The following link lists a device that I wanted to use but you have to use their software to communicate with it. The...
by fwadmin
Fri Mar 09, 2007 9:37 pm
Forum: General Discussion
Topic: Reading Pulse signal from a flow meter
Replies: 12
Views: 3419

Thanks for the reply: Application is as follows: A fuel truck to service construction equipment is outfitted with a vehicle based PC (XP pro) in which various peripherals are connected such as touch screens, GPS receiver, cellular modem, etc. We want to connect the flow meter to this on-board pc so ...
by fwadmin
Fri Mar 09, 2007 5:55 pm
Forum: General Discussion
Topic: Reading Pulse signal from a flow meter
Replies: 12
Views: 3419

Reading Pulse signal from a flow meter

I need to monitor the singal from a liquid flow meter in a pc application. The documentation says that the output is pulse in a "digital open collector signal." It also specifies that a 820 ohm pull-up resister must be used. I am looking for a converter, logger, or other device that will convert thi...