HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter

HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter

SKU: HM-COM-300L
$189.95
$189.99
SALE
Available to Order
Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm same-day pickup.
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Quick answer

HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter should be chosen around the equipment it must run, the probes or readings needed, and the level of automation required.

Best fitGrowers matching controls, meters, dosing, or monitoring gear to an existing room or irrigation setup.
Check before orderingConfirm compatible probes, modules, cable lengths, app requirements, voltage, replacement parts, and calibration needs.
Grower tipIf you are matching this to existing equipment, call with the model numbers so compatibility can be checked first.

Shopping guidance from Toledo Indoor Garden. Prices, availability, shipping rates, weights, and dimensions are verified during checkout.

Description

The COM-300L is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. 5 lbs, design Silver.

Review the listed size, compatibility, materials, and intended use before ordering so the item fits your grow room, greenhouse, garden, or commercial workflow.

Weight: 0. 5 lbs.

Dimensions: 8 x 3 x 2 in.

This HM Digital item is listed in Meters & Monitoring under Combo Meters, giving shoppers a clear fit point in the Toledo Indoor Garden catalog.

  • Genuine HM Digital product
  • Brand: HM Digital
  • Category: Meters & Monitoring > Combo Meters
  • Listed weight: 0.5 lbs
  • Listed dimensions: 8 x 3 x 2 in
  • Review product photos, selected option, specifications, and label directions before ordering

Specifications

SKUHM-COM-300L
BrandHM Digital
UPC
Weight0.5 lbs
Dimensions8 x 3 x 2 in
Five ScalespH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale
Displaylarge and easy-to-read LCD screen includes simultaneous temperature reading
PH Range0 – 14 pH
EC Range0 – 9990 µS; 0 – 9.99 mS
TDS Range0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)
Temperature Range0-55 °C; 32-130°F
Resolution0-99: 0.1 µS/ppm/ 0.01mS ; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
Accuracy+/- 2%
EC To TDS Conversion FactorNon-linear conversions for KCl, 442TM, or NaCl solutions, selected by the user
ProbeDetachable platinum electrodes & pH glass sensor with reference tube electrodes
HousingIP-67 Waterproof (submersible; floats)
Power Source2 x Triple A (AAA) included
Capacity300 L
ColorSilver

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