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The Seven Bays Window Cleaning Company

  • Posts: 497
TDS Calibration Solution 20ppm
« on: November 25, 2008, 04:25:34 am »
Found this on Ebay.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=290275599019

With the postage, works out cheaper than buying direct from RO Man.
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THE SEVEN BAYS WINDOW CLEANING COMPANY

karygate

  • Posts: 694
Re: TDS Calibration Solution 20ppm
« Reply #1 on: November 25, 2008, 08:31:35 am »
all i do is make sure my tester and my mates are still reading the same.
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gary

geefree

  • Posts: 6180
Re: TDS Calibration Solution 20ppm
« Reply #2 on: November 26, 2008, 12:14:27 am »
never heard that stuff, how does it work?

 :)
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pjulk

Re: TDS Calibration Solution 20ppm
« Reply #3 on: November 26, 2008, 12:25:59 am »
I think you dip your TDS meter in and it should read 20 if it does not you adjust your meter until it does.

Im going to get some as i want to check my reading is right.
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Ian Lancaster

  • Posts: 2811
Re: TDS Calibration Solution 20ppm
« Reply #4 on: November 26, 2008, 05:54:29 pm »
Well worth it.

I've bought two new meters recently, neither was calibrated correctly, one is so inaccurate it varies by over 14% depending on the TDS of the water tested :o
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