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nim75sg 23-05-2005 06:15 PM

TDS Meter
2 Attachment(s)
As there is no accurate method other than to test out the TDS to confirm replacing the DI cartridge from TAP WATER FILTER than the one which TWP suggests to check visually the color of the DI Cartridge.

Those who are using the TWP will know how difficult is to identify the color of the resins when it is due for replacement.

So bought this TDS meter which comes with a soft leather casing and a very basic simple instructions manual.

The TDS meter is a pocket sized ABS case and is powered by a 3V CR2032 cell battery. It claims that the battery life can take more than 1000 meausrements but then who bother to keep track. Right? :D

This meter has a 4-digit LCD display screen and it can detects range from 0 to 1999 ppm. It also has an auto shut-off feature for those absent minded reefers and is a idiot proof electronic TDS meter.

Calibration of the TDS meter is by using the TDS 800ppm calibration solution and it doesn't comes with the meter. Got to pay for it! :mad:

Comments: Simple and inexpensive piece of test equipment for those who are using RO/DI water as this TDS meter sets you poorer by S$65 inclusive of shipping.

nim75sg 23-05-2005 06:18 PM

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To test the effectiveness of this TDS meter, one small cup was filled with DI water and the other big cup with normal tap water.

nim75sg 23-05-2005 06:22 PM

2 Attachment(s)
The big cup registered a reading of "71 ppm" whereas the TDS meter read "zero ppm". So with this TDS meter, I don't need to estimate or agah agah when to replace the DI cartridge. ;)

subxero 23-05-2005 06:30 PM

Nice piece of equipment.. How much did you pay for the calibration solution? and where did you get the kit?


birdnet 23-05-2005 07:19 PM

nim75sg, I got mine (can up to 1000ppm) at $50 including shippment. Much cheaper than local.

Tigger 23-05-2005 10:03 PM

Bro, Where can I buy this unit? Pls advise.

nim75sg 23-05-2005 10:34 PM

Check with Bro Birdnet as he got his for only S$50 inclusive of shipping. ;)

I bought mine from Marine Depot inclusive of shipping ... S$65 :mad:

Tigger 23-05-2005 11:30 PM

thanks alot,

Bro Birdnest, can u share yr TDS lobang with me. Thanks.

monsterz1975 23-05-2005 11:39 PM


Originally Posted by nim75sg
Check with Bro Birdnet as he got his for only S$50 inclusive of shipping. ;)

I bought mine from Marine Depot inclusive of shipping ... S$65 :mad:

NVM lah bro $15 service charge.:p

subxero 24-05-2005 01:16 AM

Bro Birdnet..

Where you get such good lobang?


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