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.

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News and Articles

PC-100 Discontinued: | 10/04/2010; The PC-100 Conductivity Controller will be discontinued, to be replaced by the PSC-150. More …
PH-200 Upgrade: | 10/01/2010; The PH-200 has been upgraded to improve stability and accuracy. Calibration has been upgraded to include one-touch digital calibration. New features include temperature calibration and onscreen diagnostics. More …