TDS-3 PPM Hold Pen Digital TDS Meter Tester Pen

Ultra-Precise Water Quality Testing
– Measures TDS (Total Dissolved Solids) levels with ±2% accuracy, ensuring reliable readings for drinking water, aquariums, or hydroponics.
Premium Build & Portability
– Features a durable ABS plastic body with an ergonomic grip and compact pen-style design for on-the-go testing.
Instant One-Button Operation
– Simple push-button activation with auto-off function, backed by a long-lasting lithium battery for extended use.
Wide Application Range
– Ideal for testing tap water, filtered/purified systems, pools, or industrial water treatment, providing instant PPM (parts per million) results.
Auto Temperature Compensation (ATC)
– Built-in ATC ensures accurate readings across 0–80°C (32–176°F), eliminating temperature-related errors.
Affordable Bulk Pricing
– Wholesale-ready with unbeatable global rates for bulk buyers, backed by fast shipping and quality assurance.