Aquarium TDS Meter with Thermometer — TDS-4TM

Model: TDS-4TM | Type: Pocket-size TDS meter with digital thermometer | Use case: Freshwater aquariums, ponds, RO/DI filter systems | Warranty: 1 year

The TDS-4TM is a pocket-size handheld meter purpose-built for testing TDS and salt levels in freshwater aquariums and ponds, and doubles as a check for water filtration/purification systems (RO, DI) to know when filters or membranes need changing. Its built-in digital thermometer and hold function make on-the-spot readings easy to take and record.

Key features:
• Combined TDS meter + digital thermometer
• Pocket-size for portability and storage
• Hold function for stable readings
• Auto-off to save battery
• Factory calibrated
• 1-year warranty