Milwaukee MW804 MAX is a high-accuracy 4-in-1 waterproof tester combining pH, EC, TDS, and temperature measurement with a replaceable combination probe — delivering the full water chemistry snapshot that hydroponics, aquaculture, and water treatment professionals need from one instrument. Specs: pH 0.00–14.00 (±0.05), EC 0–19.99 mS/cm (±2%), TDS 0–9990 ppm (±2%), temperature 0–60°C (±1°C), IP67 waterproof, replaceable 4-in-1 probe (MI60P), 3-point pH calibration, 1-point EC calibration, auto-off. Applications: Professional hydroponics and vertical farming operations monitoring both pH and nutrient EC in one step, aquaculture water quality rapid assessment, water treatment plant in-process monitoring, field environmental testing requiring multiple parameters, school and university field practicals. The replaceable MI60P combination probe means one inexpensive consumable refreshes the entire instrument — significantly lower total cost of ownership than instruments requiring full replacement when probes degrade. Buy from Eagle Systems. Replacement MI60P probes always in stock. Call 01015880830Supplied
Complete With:
- Gel-filled, double junction pH electrode
- Battery (included)
- User manual
Outbound Links:
- Manufacturer’s Website: Visit Milwaukee Instruments
- Industry Standard: Learn about 4-in-1 testers and their applications
- Related Articles: Understanding pH, EC, TDS, and temperature measurements
Internal Links:
- Related Products: Explore other multi-parameter testers
- Product Categories: View all waterproof testers
- Helpful Guides: How to maintain your 4-in-1 tester









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