Milwaukee MI56P Replacement Electrode for pH55 and pH56 2-in-1 pH / Temperature Testers

The Milwaukee MI56P Replacement Electrode is an original replacement probe designed specifically for Milwaukee pH55 and pH56 2-in-1 pH & Temperature Testers.

This probe measures both pH and temperature accurately in one compact unit, helping restore your tester’s performance to factory standards.

Perfect for users whose original electrode has become slow, unstable, or inaccurate.

✅ Compatibility

✔ Milwaukee pH55 Tester

✔ Milwaukee pH56 Tester

❌ Not compatible with other Milwaukee models

⭐ Key Features

Original Milwaukee Instruments replacement electrode

2-in-1 probe: pH + temperature sensor

Easy screw-in installation

Accurate and stable readings

Ideal for long-term replacement use

📊 Specifications

pH Range: 0.0 – 14.0 pH

pH Resolution: 0.1 pH

Temperature Range: approx. -5°C to 60°C

Temperature Resolution: 0.1°C

Type: Replaceable electrode (probe only)

🧪 Suitable Applications

✔ Aquarium & reef tank

✔ Hydroponics

✔ Water quality testing

✔ Laboratory & field use

📦 What’s in the Box

1 × Milwaukee MI56P Replacement Electrode (Meter not included)

⚠️ Important Notes

Calibration is required after replacing the electrode

Store electrode properly to extend lifespan

This listing is for electrode only, not a complete tester