HM Digital, Inc is a 25-year-old manufacturer of water testing instruments, including handheld meters, inline monitors and controllers for pH, electrical conductivity, TDS, ORP, temperature and volume. Our products are manufactured in our ISO-9001 factory, and backed by our industry-leading warranties.


5819 Uplander Way
Culver City, CA 90230
United States
Phone: 310-410-3100
Fax: 310-410-3106

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