| Body type | Handheld |
| Measurement range | 0-999 ppm |
| Display type | LCD |
| Accuracy | ±2% F.S. |
| TDS resolution | 1 ppm |
| Power source | Battery |
| Calibration | Manual |
Digital TDS Meter for Water Testing (TDS-3). This handy TDS meter is designed to quickly check the total dissolved solids (TDS) in water, helping you understand the purity of RO water, borewell water, tap water, aquariums, hydroponic solutions, swimming pools and lab samples. The meter features a clear LCD screen with temperature display and a compact pen-type design that fits easily into your pocket, toolkit or lab coat. Operation is simple – dip the sensor into the water sample, wait a few seconds and read the value on the screen. Basic functions like ON/OFF, HOLD and temperature make it convenient for everyday testing. Suitable for home users, students, teachers, technicians and professionals, this TDS tester is a practical tool for monitoring water quality without needing large bench-top instruments.