• 【High Precision Water Quality Testing】The M1 TDS water quality tester pen offers accurate measurements for household drinking water, mineral water, and other water sources with a range of 0-9990ppm.

• 【Dual Measurement Functionality】Equipped to measure both TDS (Total Dissolved Solids) and temperature (0-99°C / 32-140°F), providing comprehensive water quality analysis.

• 【Energy-Efficient Design】Features an auto-shutdown function after 5 minutes of inactivity, extending battery life for prolonged use.

• 【Durable Construction】Utilizes an alloy probe for reliable measurements and comes with a protective EVA foam tray to minimize transport damage.

• 【Portable and Lightweight】Compact dimensions of 150*28*15mm and weighing only 53g, making it convenient for both home use and on-the-go testing.

Specifications:

• Dimensions: 150×28×15mm
• TDS Measurement Range: 0-9990ppm
• Temperature Measurement Range: 0-99°C (32-140°F)
• Accuracy: ±2%
• Battery: 1*3V (CR2032), 210mAh
• Probe: Alloy probe