Mi5559 Pocket test kit, including pH55, EC59 and MA753

The Milwaukee Mi5559 Pocket Test Kit is the professional solution for accurate water analysis in marine aquariums, aquascapes and other demanding water environments. With this complete kit you can easily measure...

The Milwaukee Mi5559 Pocket Test Kit is the professional solution for accurate water analysis in marine aquariums, aquascapes, and other demanding aquatic environments. With this complete kit, you can easily measure pH, EC, TDS, and temperature, anytime and anywhere. Thanks to the compact testers and the robust hard case, the Mi5559 is ideal for both home use and on the go.

All-in-one test solution for the marine aquarium

The Mi5559 kit combines two high-quality testers: the PH55 pH/temperature tester and the EC59 EC/TDS/temperature tester. Both are designed for long-lasting, accurate measurements and come in the sturdy MA753 carrying case. This ensures you always have all your measuring equipment safely at hand.

• pH55: Measures pH and temperature with high precision
• EC59: Measures conductivity (EC), TDS and temperature
• MA753 hard case: Protects and organizes your testers

Why choose the Mi5559 kit?

• Professional accuracy: pH range of -2.0 to 16.0 with a precision of ±0.1 pH
• Wide range of applications: EC range from 0 to 3999 μS/cm and TDS up to 2000 ppm
• Automatic Temperature Compensation (ATC): Reliable measurements, regardless of the water temperature
• Replaceable electrodes: Easily extend the lifespan of your testers
• Waterproof and robust: Designed for use in demanding conditions
• Long battery life: Up to 300 hours of use with the pH55, up to 100 hours with the EC59

Perfect for every aquarist

Whether you maintain a saltwater aquarium, run a frag tank, or monitor water parameters in the field, the Mi5559 provides you with all essential measurement functions in one kit. This ensures you always keep water quality optimal for fish, corals, and plants.

• Fast and simple calibration
• Large, easy-to-read LCD displays
• Compact design, easy to carry

Use and maintenance

Proper maintenance is important for long-lasting and accurate use. Rinse the electrodes after use and store them according to the instructions. Calibrate regularly for best results, especially after intensive use or electrode replacement.

• pH55: Store wet in pH storage solution, never in distilled water
• EC59: Rinse with clean water after use and store dry
• Use standard calibration solutions for optimal performance

Technical specifications at a glance

• pH range: -2.0 to 16.0 pH
• EC range: 0 to 3999 μS/cm
• TDS range: 0 to 2000 ppm
• Temperature range: -5.0 to 60.0°C (pH55) / 0.0 to 60.0°C (EC59)
• Resolution: 0.1 pH, 1 μS/cm, 1 ppm, 0.1°C
• Accuracy: ±0.1 pH, ±2% FS (EC/TDS)
• Replaceable probes: MI56P (pH55), MI59P (EC59)
• Waterproof design

Your reliable partner for water analysis

With the Milwaukee Mi5559 pocket test kit, you are assured of professional measurement results, wherever you are. Order today and experience the convenience, precision, and reliability this kit offers for any marine or freshwater aquarium.