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Recently I was talking with another RM owner and realized that I probably never sent this to you. I know I planned to, but I have not record of doing so. It is a program to read RM-60 data from the serial port on a Linux machine and is open source under standard X11/MIT copyright. I hope you or your customers might get some use from it.
Rik's Linux C code

Perhaps it will interest other users. I've made a web page describing my use of your sensors (for logging radon levels). It will be updated as the project progresses. Currently, it describes how I've connected an RM-70 to a 1-wire bus:
http://voksenlia.net/met/radon/radon_e.php

Hi!

So, yesterday I finally received my new RM60. Now it's plugged on a linux box with the geiger.c program found on your site. I plan on giving it some graphical ability in the near future.

Well, I've been able to clearly measure potassium 40. First, I used a 20 minutes integration time and that' more than enough: my radiation background is 22-23 uR/hr, a small pile of pure KClO3 made the reading jump to 29-30 uR/hr. Given this result, I'm fully satisfied.

At the same distance, I tried one of those uranium doped 5/8inch glass marbles you can buy on Ebay. It made the reading go to 30-31uR/hr. Basically, I was expecting way more from one of those marbles.

Then I wiped clean my TV set: it was already pretty clean to be honest, yet the reading jumped to 70 uR/hr.

I plan on building myself a radon monitor too, and also encasing the geiger in a full lead box with a place to test specimens.

Bye!
Paolo

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