HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
- The smallest and lightest TDS meter on the market.
- Advanced microprocessor technology.
- Hold Function: saves measurements for convenient reading and recording.
- Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
- Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. Large and easy-to-read LCD screen
A TDS tester that’s ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times! .. The smallest and lightes
Rating: 
(out of 14 reviews)
List Price: $ 35.00
Price: $ 21.00
BLACK IONIZER PORTABLE WATER PURIFIER FILTER SYSTEM | US $29.99 End Date: Thursday Sep-09-2010 8:48:43 PDT Buy It Now for only: US $29.99 Buy it now | Add to watch list |
 | US $510.00 (19 Bids) End Date: Thursday Sep-09-2010 9:19:33 PDT Bid now | Add to watch list |
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5 Responses to “HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester”
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Review by C. Schmidt for HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
However, when testing a water source before and after it entered our RO filter, it clearly showed that the RO filter was working. Have had this for about 4 months now and it has worked fine w no battery problems.
Rating:
It seems to work.. I have no way to gauge if it is truly accurate.
It is good that it has a button to save your reading until you take it out of the water. Without that, sometimes it’s hard to read the display while the meter is in the water container.
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Review by Denis Stenderchuck for HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
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I live in area with contaminated water by industry and very old water system.I’m using charcoal water filter for water cleaning which require regular cartridge replacement. Thanks to this device I’m able to judge if it’s time to replace filter, as in beginning TDS level of tap water and filtered one differ, but approximately after one month of use readings become almost same.
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Review by Gordon M. Wagner for HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
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Functions well, compact size. The hold feature is essential. Excellent price. No complaints. I am surprised to find out how clean (or unclean) various water sources are. I bought this to monitor our under-sink Reverse Osmosis filtration setup. Clean water is wonderful, this meter lets you know how pure your water is.
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Review by Nat Arem for HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
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I’ve used this on a few sources since buying it a few weeks ago.
Suburban Philly tapwater: 230 ppm
Same water but filtered by the fridge: 200 ppm
Dasani: 30 ppm
Grand Cayman tapwater: 175 ppm
Le Bleu delivered water: 0 ppm
Needless to say I was shocked by the Le Bleu but it really re-enforced the value of paying for purified water. I know the Dasani might actually have some good things in it (magnesium, potassium, etc) but I would definitely recommend getting a tester like this and finding a way to get water (delivered, RO filter, etc) which is pure. It’s a small price to pay to independently verify the purity of the water you’re drinking.
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Review by Serafin Silva for HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
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Nothing fancy. But it does what they say it does and it’s a reasonable price
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