The HM Digital pH / TDS / EC / Temp meter (COM-300) 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.
Note:442 is a registered trademark of the Myron L Company.
pH Range: | 0 – 14 pH |
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EC Range: | 0 – 9990 µS; 0 – 9.99 mS |
TDS Range: | 0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale) |
Temperature Range: | 0-55 °C; 32-130°F |
pH Resolution: | 0.1 pH |
EC Resolution: | 0 – 999 : 1μS ; 1000 – 9990 : μS ; 0- 9.99 mS :0.01 mS |
TDS Resolution: | 0 – 999 : 1ppm / 1000 – 9990: 10 ppm |
Temperature Resolution: | 0.1 °C/°F |
Accuracy: | +/- 2% |
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EC to TDS Conversion Factor: | Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user. |
Probe: | Detachable platinum electrodes & pH glass sensor with reference tube electrodes |
Housing: | IP-67 Waterproof (submersible; floats) |
Power source: | 2 x Triple A (AAA) included |
Dimensions | 7.3 x 1.3 x 1.3 inches |
Weight: | 101.5g (3.6 oz) |
Brand | HM Digital |
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SKU | GG-660005 |
Weight (lb.) | 0.55 |
Height (in.) | 8.1 |
Prop 65 | No |
Lead Time | This product ships in 3-5 business days |
Length (in.) | 1.9 |
Width (in.) | 3 |
Warranty | 1 Year |
UPC | 891144000595 |
ETL Listed | No |
UL Listed | No |
Shipping Restrictions | AK, HI |
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