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Home » Aquarium Supplies  » Water Testing  » Handheld Devices  »  HM Digital Pocket-Sized TDS Meter w/ Thermometer
HM Digital Pocket-Sized TDS Meter w/ Thermometer

HM Digital Pocket-Sized TDS Meter w/ Thermometer

Average Rating 4.5 15
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HM Digital Pocket-Sized TDS Meter w/ Thermometer Information


Product Manuals & Documentation

Monitor your pet's aquarium accurately with HM Digital Pocket-sized TDS Meter with Thermometer from Pet Store. This product is the lightest of its kind and can truly fit in your pocket. With these features, this special TDS thermometer will not only save space in your pet's abode, but will also be light enough so as not to contribute unnecessary weight. It is designed to add convenience to pet owners as it is an internal digital thermometer that will provide measurements in Celsius. Aside from that, it will automatically turn off when not used after 10 minutes. Plus, it has a hold function, which can save measurements you have done with the equipment, so you can easily read and record with it.

Further, the HM Digital Pocket-sized TDS meter with thermometer has a resolution of 1 ppm, which can provide measurements from 0 - 999 ppm. Other than that, you will be able to know right away what the temperature of the container's water is as the indicator will blink right away. Moreover, the product is factory calibrated with 342 NaCl solution and can be recalibrated with the use of a mini-screwdriver.

Hence, this TDS thermometer will work well not only on aquaculture and aquariums, but also on water cooler professionals, hydroponics, spas, pools, and horticulture.

Pocket Sized TDS Meter w/ digital thermometer in aquarium-specific packaging.

The world’s smallest and lightest TDS meter also comes with a built-in digital thermometer. It is a true pocket size meter, comfortably fitting into a shirt pocket without adding bulk. The TDS-4TM-A comes in an aquarium-specific retail-ready packaging.

Features
  • Includes an internal digital thermometer (celsius).
  • The smallest and lightest TDS meter available on the market.
  • Hold Function - Saves measurements for convenient reading and recording.
  • Auto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.
  • Dual Range - Measures from 0 - 999 ppm, with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.
  • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
  • Recommended for aquariums & aquaculture



Manufacturer Info

HM Digital, Inc.
Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter.

HM Digital Pocket-Sized TDS Meter w/ Thermometer Reviews



Average Rating
(15 reviews)
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Does the job

by
Reviewers Rating Great


Posted: 6/27/2015 from Chula Vista, CA UNITED STATES
4.0 5
Experience Level: Intermediate


Comments: Not much to review four stars out of five just because it Celsius not Fahrenheit be nice if you could switch back-and-forth will besides that works as well is it supposed to come calibrated one day delivery as usual as well good product.


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Accurate

by
Reviewers Rating Excellent!


Posted: 3/4/2015 from NOLANVILLE, TX UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: I tested this device against 2 other borrowed devices and it is precise. I wish the display screen was a bit bigger, but this is not a show stopper.


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TDS Meter

by
Reviewers Rating Great


Posted: 12/1/2014 from LIBERTY, MO UNITED STATES
4.0 5
Experience Level: Expert


Comments: I wish that it read Fahrenheit , I do not like having to do the math .


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Quality and Precision

by
Reviewers Rating Excellent!


Posted: 11/8/2013 from Florida
5.0 5
Experience Level: Intermediate


Comments: Just started testing my RO/DI water and will tell me exact ppm. Very well built piece and will last! If you want to make sure your RO/DI system is doing its job, get this TDS Meter!


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Temp is Celsius ONLY

by
Reviewers Rating Excellent!


Posted: 5/11/2013 from Miami, FL UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: The unit only reads temp. in Celsius not Fahrenheit. Not a big deal for me but can be for others. Apart from that, scary when you test your "filtered" drinking water vs. RO/DI Water.


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Pre-Calibrated, Great Meter

by
Reviewers Rating Excellent!


Posted: 4/8/2012 from TN UNITED STATES
4.5 5
Experience Level: Expert


Comments: Giving this one 4.5 stars only because the cap is a bit loose. It has a clip on it if you wanted to carry it around, but it would fall off very easily. The meter comes pre-calibrated and works right out of the package. Reads TDS almost instantly and seems to be very accurate. Can't beat it for the price.


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Works great

by
Reviewers Rating Excellent!


Posted: 12/2/2011
5.0 5
Experience Level: Beginner


Comments: Does as described. I wanted to make sure my RO/DI was working efficiently and after using product, I have no worries as my reading came back 0. Very easy to use and fast readings.


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Must Have!

by
Reviewers Rating Great


Posted: 8/31/2011 from TULSA, OK UNITED STATES
4.0 5
Experience Level: Intermediate


Comments: Very handy meter. Alerted me the first day to a potential problem with my top off water. I checked the source (city tap) water against my RO and then my RO/DI. My RO/DI was zero but the water in the bottom of my top off reservoir was way high. Now I've covered my reservoir and the levels back down to near zero. Disaster averted. Would have given 5 stars except for the temp feature is in celcius.


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Readings in Celsius only

by
Reviewers Rating Below Average


Posted: 8/30/2011 from LIVERMORE, CA UNITED STATES
2.0 5
Experience Level: Intermediate


Comments: Note that this product will *not* display temp in Fairenheit Also, I could not get a TDS reading on the saltwater in my tank, it would just display dashes; however, it would give me readings on freshwater. Great price, but being in the U.S., I'm used to temps in Fairenheit.


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HM digital TDS meter

by
Reviewers Rating Excellent!


Posted: 4/1/2011 from PETALUMA, CA UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: Works great, simple and easy. Popped it in some "RO" water I had purchased the day before and it spat out 175ppm, not buying there again (my tap water is 256ppm btw). As a control, I tested it on distilled and it read 000ppm. The temp feature seems accurate as well, in reality I don't have much use for the feature. I have only tested it once and it was spot on.


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