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Message ID: 2523     Entry time: Tue Dec 8 11:27:51 2020
Author: Radhika 
Type: Misc 
Category: Lab Monitoring 
Subject: Particle counter communication 

I have a python script for communication with the Met One 227a particle counter, but it appears like I am not receiving a response from the device. I swapped out a few serial-USB cables, but this did not fix the issue. I suspect I am making an unsound assumption about the communication protocol so I am going back to basics and reading more on RS232 and ASCII commands. 

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