Can you please tell me the diff between the 507 and the 510 tst. Thanks
Forum Discussion
ncrzrbk wrote:
Think I got all that wrong. My apologies. I have the 507 with replaceable batteries and non flow through sensors.
I'm sitting here laughing and can't seem to stop........LOL
Yeah, you're right, you sure did get it wrong, but I got a good laugh out of it.
