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UK Window Cleaning Forum => Frequently Asked Questions & Useful Resources => Topic started by: johnm on December 26, 2007, 11:39:16 am

Title: calibraiting di tester
Post by: johnm on December 26, 2007, 11:39:16 am

my tdi meter reads 13 before i touch the water how do you reset it or do i need a new one

Title: Re: calibraiting di tester
Post by: TERRY AB on December 27, 2007, 03:31:26 pm

You need calibration fluid, but if not at hand get some pure water where you know the value to be 0, dip the probes into this and check the tds value, there is a calibration screw in the tds unit this needs adjusting until your unit has the same tds vaue as the fluid being testing. Easy!

Title: Re: calibraiting di tester
Post by: windowwashers on December 27, 2007, 06:59:56 pm

Quote from: johnm on December 26, 2007, 11:39:16 am

my tdi meter reads 13 before i touch the water how do you reset it or do i need a new one

I am guessing it is an inline meter. I would have a handheld as a spare always

Title: Re: calibraiting di tester
Post by: Nathanael Jones on December 31, 2007, 10:53:26 pm

Jeff brimble posted the TDS of absolute vodka somewhere,... A fun way to calibrate!!!!

Title: Re: calibraiting di tester
Post by: [GQC] Tim on January 05, 2008, 02:42:33 am

http://www.cleaningspot.co.uk/acatalog/TDS_meters.html

3rd Product down.