About HM Digital

From: tdsmeter.com

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.

TDS Meters

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HM Digital Accessories

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  • Price:$10.95

Reverse Osmosis System TDS Monitors

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Water Filter Monitors

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