All these HM Digital meters come with 1, 2, or 3 year warranty against factory defects.
Length of warranty depends on meter model.
HM Digital Handheld TDS Meter w/ Thermometer [TDS-3]
Php 1,050
We are an official HM Digital Distributor for the Philippines
Handheld TDS Meter 0-9990 with ATC & Temp, in vinyl carrying case
The world’s most popular TDS meter, the TDS-3 is the most reliable and longest lasting meter of its kind. It has a wide range of 0-9990 ppm has a hold button to save readings until it automatically shuts off after 10 minutes of non-use. The built-in thermometer displays the temperature and also compensates TDS for differences in temperature. The unit comes in a protective vinyl case. It takes only two batteries, which have extra long life and are very easy to change. TDS is shown in a large, easy-to-read display. It is simple to use and comes factory calibrated.
Ideal for commercial use. Includes a carrying case with belt clip.
Highly efficient and accurate due to its 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 1ppm.
From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
Built-in digital thermometer enables ATC: Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit)
Display: large and easy-to-read LCD screen.
Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
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HM Digital pH meter HydroTester (water resistant)
[PH-80]
Php 2,460
NEW! The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
FEATURES
Measures pH and Temperature
One-touch automatic digital calibration
Water resistant
Simultaneous temperature display
Sleek, lightweight design
Large LCD display
Automatic Temperature Compensation (ATC)
Auto-off function, data-hold function and low-battery indicator
Includes storage solution in a sponge embedded in a translucent cap
Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process.
Includes a cap, batteries, storage solution and pH 7.0 buffer
SPECIFICATIONS
pH Range: 0 - 14
Temperature Range: 1-80 °C; 33-176 °F
Resolution: 0.1 pH; Temperature resolution is 0.1 °C/F
Accuracy: +/- 0.2 pH; Temperature accuracy is +/-2%
Calibration: Digital automatic calibration (one point)
Electrode: Glass sensor and reference tube electrode
Housing: Water resistant
Power source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)
Weight: 53.9 g (1.9 oz)
UPC: 891144000175
Recommended accessories: pH Electrode Storage Solution (PH-STOR) and pH Calibration Buffers (PH-BUF). Note that the meter includes single use packets of the storage solution and a pH 7.0 buffer. This is enough in the beginning, but additional storage solution and calibration buffers will be necessary in the future (exactly when depends on individual usage and needs). The storage solution and pH buffers (while in powder form) do not expire.
FAQs
The sponge in my cap is dry. Is this okay?
Yes. The PH-80 is shipped with the sponge dry. Prior to use, pour a small amount of the electrode storage solution (from the Mylar packet) into the sponge so that it's moist. Put the cap back on and allow the sensor to soak for 15 minutes standing upright. Additional storage solution is available for purchase. (NOTE: The sponge is simply for retaining the storage solution so that it doesn't spill. It should be kept in the cap.)
How often do I need to calibrate?
All pH meters should be calibrated anywhere from before every use to at least once a month. The frequency of calibration depends on usage and application, but you should calibrate at least once per month for proper results and a longer lifespan of your meter. A free packet of pH 7.0 buffer is included with the meter. Additional pH buffers for calibration are available for purchase. Please consult the user's guide for calibration instructions.
I use my meter for hydroponics. Does it need any special care?
Yes. Nutrients in a hydroponics reservoir will quickly adhere to the sensor and throw off readings. It is very important to rinse the sensor in distilled water after each use. Otherwise, you'll just be measuring the nutrients that are already on the sensor.
NOTE for owners of the PH-80: Your PH-80 is shipped with the sponge in the cap dry. Prior to use, pour a small amount of storage solution from the Mylar packet into the sponge so that the sponge is moist (not dripping wet). Put the cap back on and allow to soak for 15 minutes (standing upright) prior to use. Additional electrode storage solution is available for purchase.
HM Digital pH Buffer Solution Variety Pack
Php 560
HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.
FEATURES
Variety pack of pH buffer solution.
Simple to use.
Powder has an indefinite shelf life.
SPECIFICATIONS
Total volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water)
Contents: 3 packets of 4.0 pH, 6 packets of 7.0 pH, 3 packets of 10.01 pH
Extra: Includes one empty 100 ml bottle
Accuracy: +/- 0.02 pH at 25 degrees Celsius
Preparation directions included with the pack
UPC: 891144000069
HM Digital pH Electrode Storage Solution
Php 360
For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).
FEATURES
Part #PH-STOR
For use with the PH-200 or PH-80
Convenient size
SPECIFICATIONS
Total volume: 60 cc
Contents: Specially formulated KCl solution for pH and electrodes (sensors)
Bottle: Combination twist off and eyedropper style cap
Made in Korea
UPC: 891144000113
NOT FOR CALIBRATION. To calibrate your pH meter, use a pH buffer.