About the Company

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.

‣ Company Profile

News and Articles

DM-2 Upgraded: | 03/19/2012; The DM-2 (Commercial Inline Dual TDS Monitor) has been upgraded to include digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut-off time (3 min), diagnostic error messaging, and shielded sensor cables. More …
PC-100 Discontinued: | 10/04/2010; The PC-100 Conductivity Controller will be discontinued, to be replaced by the PSC-150. More …

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News Releases

HM Digital's HMD Line: 12/19/2009
HM Digital Products Now on Every Continent on Earth: 02/01/2008
ZeroWater selects HM Digital as its sole provider of electronic digital TDS meters to demonstrate the ZeroWater brand's superior filtration to 000 ppm of TDS: 06/12/2012

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Upcoming Events

Indoor Gardening Expo 2013 - San Francisco: July 27-28, 2012 | San Francisco, CA | Booth #420
Aquatech Amsterdam 2013: 5-8 November, 2013 | Amsterdam, Holland | Booth 02.101

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