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 favourite nutrient meter. It is powered by three standard AA batteries.
- EC (0.2 - 3.6), CF (2 - 36) and ppm scales (TDS and 700 scale).
- Fully waterproof design.
- No calibration required.
- Auto sense on and off.
- No external switches or adjustable buttons
- 5 year Bluelab® Guarantee.