Precision TDS & Temperature Testing Pen – TDS-M1 Meter
High-accuracy dual-function pen measures TDS (0-9990 ppm) and temperature (0-80°C) instantly with ±2% readability. Durable ABS housing with reinforced probe tip and anti-slip grip for rugged daily use in aquariums, hydroponics, or industrial water testing. Auto-calibration with built-in temperature compensation ensures reliable readings for fish breeders, pool maintenance, and RO filter checks. Compact, portable design with auto-off function and replaceable batteries for extended field use. Exclusive bulk pricing for wholesalers – lab-grade performance at unmatched global rates.