Milwaukee Truncheon EC/TDS Nutrient Meter EC40

The Milwaukee Truncheon EC40 EC/TDS Nutrient Meter is a high-performance, waterproof tool designed for measuring electrical conductivity (EC), total dissolved solids (TDS), and parts per million (PPM) in nutrient solutions. Perfect for hydroponic growers, it provides quick and reliable readings to help you maintain precise nutrient levels for healthy plant growth.

This truncheon-style meter features a no-button, dip-and-read design that is simple to use and extremely durable. LED indicators show multiple scales simultaneously (EC, CF, and PPM), making it a versatile tool for growers following different feeding schedules or nutrient brands. It's factory calibrated and ready to use out of the box, with automatic temperature compensation (ATC) ensuring accuracy in varying conditions.

Backed by Milwaukee’s reputation for professional-grade testing tools, the EC40 is ideal for anyone needing consistent and reliable nutrient monitoring, whether at home or in a commercial growing facility.

Key Features:

• EC, CF & PPM Measurement: Covers a wide range of nutrient strength readings

• No-Button Operation: Just dip and read with LED scale display

• Waterproof & Durable: Fully sealed, rugged design ideal for grow rooms

• Automatic Temperature Compensation (ATC): Accurate in varying temps

• Factory Calibrated: Ready to use straight out of the box

• Battery Powered: Includes 3× AA batteries for immediate operation

• Energy-Efficient: Auto on/off function preserves battery life

Technical Specifications:

• Measurement Ranges:

  • EC: 0.2 – 3.6 mS/cm

  • CF: 2 – 36

  • PPM (500 Scale): 100 – 1800 ppm

  • PPM (700 Scale): 140 – 2520 ppm

• Accuracy: ±0.1 mS/cm

• Resolution: 0.1 mS/cm

• Calibration: Factory calibrated

• Power Source: 3 × AA batteries (included)

• Operating Temperature: 0 – 50°C

• Waterproof Rating: IP67

• Weight: Approx. 210 g

• Length: Approx. 395 mm

Ideal Uses:

• Hydroponic nutrient monitoring

• Fertilizer mixing and reservoir management

• Consistent dosing for commercial growers

• Quick EC/TDS checks in greenhouse systems

Why Choose the Milwaukee Truncheon EC40?

With rugged construction, simple operation, and dependable accuracy, the Milwaukee EC40 makes nutrient monitoring easy and efficient. It’s a trusted tool among professional growers and hobbyists alike, offering clarity and confidence when managing plant feed schedules. Whether you're fine-tuning EC levels or troubleshooting plant issues, this truncheon meter delivers consistent results—every time.