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Details about  TDS-3 Water Quality Meter Tester RO DI System ppm temp HM Digital Handheld gauge

TDS-3 Water Quality Meter Tester RO DI System ppm temp HM Digital Handheld gauge
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99.9% Positive feedback
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Filter Direct store

Item Information

Item condition:
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More than 10 available / 145 sold
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US $23.99
44 watchers
Experienced seller
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Limited quantity remaining
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Item location:
Santa Ana, California, United States
Ships to:
United States and many other countries | See details
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14 days money back, buyer pays return shipping See details
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Last updated on  Mar 08, 2013 09:34:13 PST  View all revisions

Item specifics

New: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller's listing ... Read moreabout the condition


Aquarium Supply Type:

Meters & Regulators



Type of Pet:




Product Type:

RO DI Water Filtration

Filter Direct store

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*  This brand new TDS meter measures water quality, total dissolved solids, TDS, in water or liquid solution, it has high operating limit from 0 to 9990 ppm at 1 ppm resolution. Pre-calibrated, no calibration is required to operate, but can be recalibrated. Accurate and reliable.

*  Good for monitoring the Performance of RO system and DI filter. It gives you accurate measurement so you know exactly when to replace the DI filter and when to replace the RO membrane filter.  This is much better than color indicator of some DI filter.

*  Good for Aquarium, Hydroponics, colloidal silver applications

*  This TDS meter is brand new offered by Filter Direct Co. with one year warranty

Water Quality TDS Meter,  Part No.  578


  • Microprocessor technology with automatic temperature compensation ATC
  • Hold function:                Freezes measurements for convenient reading & recording.
  • Auto-Off function:         Turns off meter after 10 minutes of idle to conserve batteries.
  • High operating limit:       Measures from 0 to 9990 ppm, when reading is over 999, it converts to  x10’
  • Calibration:  This meter does not require calibration to operate, is already calibrated at the factory, this meter can be re-calibrated if you need by using small screw driver to turn the switch inside the meter and use distill water as standard or any standard solution.
  • Automatic Temperature compensation, ATC
  • Leather Carrying case  
  • One year warranty



0 to 9990 ppm (mg/L)

Temperature Compensation

5 to 50 C   or  41 to 122 F


1 ppm


0 to 50 C  or  32 to 122 F


+ 1%

Batteries Life

2 x 1.5V (Button Cell)

EMC Deviation

+ 1%


6”  x 1.1”  x 0.75”




2 oz  or  85 g


·         Remove the protective cap

·         Turn TDS meter on,  press ON button 

·         Immerse into water sample up to the immersion level (about 1 ½ “ from tip) without touching the bottom of the water sample container.

·         Stir gently and wait until the display stabilizes

·         TDS meter compensates for the temperature variance automatically.

·         To hold the reading, press HOLD

·         Turn off meter,  press OFF button

Any questions:  call us at  714-953-9009 (M-F 9AM to 4PM pacific standard time)

Ship via USPS First Class Mail and takes up to 6 business days for delivery, depending on destination.

Questions and answers about this item

No questions or answers have been posted about this item.

Seller assumes all responsibility for this listing.

Shipping and handling

Item location: Santa Ana, California, United States
Shipping to: Worldwide
Excludes: Ghana, Reunion, Djibouti, Chile, China, Solomon Islands, Papua New Guinea, Cape Verde Islands, Mali, Botswana, Sierra Leone, Madagascar, Wallis and Futuna, Nauru, Marshall Islands, Saint Helena, Gambia, Liberia, Rwanda, Seychelles, Guam, Micronesia, Libya, Hong Kong, Zimbabwe, Gabon Republic, Cameroon, Central African Republic, Lesotho, Mayotte, Nigeria, Taiwan, Mauritius, Guinea, Côte d'Ivoire (Ivory Coast), Tonga, Kiribati, Kenya, Chad, Argentina, New Caledonia, Guinea-Bissau, Togo, Eritrea, Senegal, Morocco, Africa, Burundi, Equatorial Guinea, Mauritania, Congo, Democratic Republic of the, Western Sahara, Palau, American Samoa, Congo, Republic of the, Malawi, Comoros, Angola, Algeria, Benin, Tunisia, Zambia, Uganda, Brazil, Western Samoa, Somalia, Vanuatu, Tuvalu, Swaziland, Ecuador, Egypt, Mozambique, Ethiopia, Niue, Namibia, Tanzania, Niger, Burkina Faso, South Africa
Handling time
Estimated sales tax
Will usually ship within 1 business day of receiving cleared payment[newWindowTxt].
Seller charges sales tax for items shipped to: CA(8.0%).

Return policy

After receiving the item, contact seller within
Refund will be given as
Return shipping
14 days
Money back
Buyer pays return shipping
Return policy details
For all acceptable returns: item must be returned within 30 days from invoice date, item must be BRAND NEW, UNOPENED, AND UN-USED. Actual S&H will be deducted from item prices to reflect freight. 15% restocking fee applies to all items. Unpaid item notice need to be responded prior to any refunds. Buyer pays for return shipping.

Payment details

Payment method Preferred / Accepted  
Credit or debit card through PayPal
PayPal Preferred
Bill Me Later
Visa/MasterCard, Discover

Seller's payment instructions

Thank you for considering FilterDirect as the supplier for your RO Water Systems and Supplies. We know you have many choices on ebay and we will work hard to provide you with the best experience on ebay! If you have any questions please feel free to contact us. Business hours Monday thru Friday 9am to 4pm PST, excluding all holidays and weekends. Phone 714.953.9009 Email sales at filterdirect.com
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