With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle. Its super tough, fully waterproof, has no on/off buttons to worry about and does not need calibrating.

• EC (0.4 - 6.0), CF (4 - 60) and ppm scales (TDS and 700 scale).
• Fully waterproof.
• No calibration required.
• Auto sense on and off.
• No external switches or adjustable buttons.
• Battery life minimum 1 year (or shelf life of battery).
• 5 year Bluelab Guarantee.