Premium RO Membrane Water Purifier Test Pen with Digital Display

Accurate TDS Measurement
– Features advanced sensor technology for precise Total Dissolved Solids (TDS) readings, ensuring water purity assessment with laboratory-grade accuracy.
High-Quality RO Membrane Compatibility
– Specifically designed for testing reverse osmosis (RO) systems, verifying filter efficiency and water quality post-filtration.
Durable & Portable Build
– Crafted from reinforced ABS plastic with a stainless steel probe for long-lasting performance, ideal for on-the-go use in homes, offices, or outdoor activities.
Easy-to-Read Digital Display
– Clear LCD screen shows instant TDS results (0-9990 ppm), with auto-off function to conserve battery life.
Multi-Purpose Application
– Perfect for checking tap water, aquarium water, hydroponic solutions, and even post-filtered drinking water, ensuring safety and optimal performance.
One-Touch Operation
– Simple press-button design for quick testing, backed by reliable calibration for consistent results every time.
Bulk Order Advantage
– Global wholesale pricing allows large-quantity purchases at unbeatable rates, catering to retailers, distributors, and eco-conscious consumers.