Global Leaders in Water Testing Instrumentation

🏢 Company Overview

Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is a globally recognized Original Equipment Manufacturer (OEM) specializing in high-quality water testing instrumentation. We are renowned for providing advanced TDS meters, water testing devices, and monitoring solutions used in reverse osmosis (RO) systems and other water treatment applications across more than 50 countries worldwide.

Our products are co-designed between our Los Angeles headquarters and our ISO-9001-certified factory in Seoul, Korea, ensuring the highest quality standards. With a strong presence in India, the USA, and South Korea, we provide cutting-edge technology, exceptional customer service, and OEM solutions for customized products and private labeling.

🎯 Mission

🌍 To revolutionize water testing technology by offering high-quality, accurate, and affordable instruments that enhance water purity and safety worldwide.

🌟 Vision

🏆 To be the world’s leading provider of water testing instrumentation, delivering innovative, reliable, and cost-effective solutions for water quality monitoring and purification.

🌎 Global Presence

📍 2004 – Established the U.S. office in Los Angeles, CA, for marketing, customer service, and distribution across the Americas, Europe, Africa, the Middle East, Australia, and South Asia.
📍 2015 – Established the India office in New Delhi, strengthening our presence in the Indian market.
📍 2018 – Launched a state-of-the-art manufacturing facility in Rajasthan, India, ensuring direct production and supply of high-quality products for the Indian market.

⚙️ Product Range

📌 Handheld Water Testing Meters
✔ TDS Meters – Accurate total dissolved solids measurement for water purity.
✔ pH Meters – Reliable monitoring of water acidity and alkalinity.
✔ EC (Electrical Conductivity) Meters – Precision measurement of water conductivity.
✔ ORP Meters – Oxidation-reduction potential monitoring for water treatment.

📌 In-Line Water Monitoring Solutions
✔ TDS & pH Monitors – Real-time water quality analysis for industrial & domestic use.
✔ EC Controllers – Automated water conductivity regulation.
✔ Flow Sensors & Probes – High-precision sensors for continuous monitoring.

📌 Calibration & Testing Solutions
✔ Calibration Solutions – Ensuring long-term accuracy of water testing devices.
✔ Water Quality Controllers – Advanced control systems for industrial applications.

🔍 Why Choose

✔ Global Leader in Water Testing – Over 35 years of expertise in the industry.
✔ ISO-9001 Certified Manufacturing – Ensuring top-tier quality and precision.
✔ Innovative Technology – Co-developed in Los Angeles & South Korea.
✔ Cost-Effective Solutions – High performance at an affordable price.
✔ Dedicated OEM Services – Customized solutions for private labeling & branding.
✔ Extensive Global Distribution – Available in 50+ countries worldwide.