HM DIGITAL

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HM DIGITAL
HM DIGITAL Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with
HM Digital Waterproof pH Meter
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Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with
$99.99
HM DIGITAL Product Details<br /> The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.<br /> <br /> Measures electrical conduct
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
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Product Details
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

Measures electrical conduct
$47.99
HM DIGITAL Product Details<br /> 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.<br /> <br /> FEATURES<br /> <br /> Measures pH and temper
HM Digital PH-80 pH/Temperature Meter
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Product Details
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 temper
$46.99
HM DIGITAL Measures pH and Temperature<br /> Auto-ranging three point calibration with digital fine tuning<br /> Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up<br /> Waterproof housing<br /> Simultaneous temperature display<br /> Measurement Ra
HM Digital PH-200 Waterproof pH/Temperature Meter
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Measures pH and Temperature
Auto-ranging three point calibration with digital fine tuning
Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up
Waterproof housing
Simultaneous temperature display
Measurement Ra
$99.99
HM DIGITAL Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM-
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter
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Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM-
$76.99
HM DIGITAL HM Digital pH / TDS / EC / Temp meter
The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS) and temperature. Features include 2 different conductivity conversion factors to c
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HM Digital pH / TDS / EC / Temp meter
$159.99
HM DIGITAL HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.
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HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
$7.99
HM DIGITAL Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of
TDS-3 Handheld TDS meter
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Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of
$29.99
HM DIGITAL HM Digital pH 80 Meter
Resolution: pH 0.1 pH, 0.00 - 14.0 pH. Accurate to ±0.1 pH. Hold button and auto shut-off. Automatic Calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of) on probe. Gla
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HM Digital pH 80 Meter
$46.99