The world's favorite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about, the Bluelab Truncheon® Nutrient Meter has proven itself as the world's favorite nutrient meter.
• EC (0.2 – 3.6), CF (2 – 36) 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