Bluelab provides the battery-powered Truncheon EC-Meter, a self-calibrating EC meter with automatic on/off and automatic temperature compensation.
The popular Ec Meter! In a super robust design, high quality, completely waterproof and no calibration necessary. The Bluelab Truncheon® EC Meter does not need to be calibrated!

• EC (0.2 - 3.6), CF (2 - 36) and ppm scales (TDS and 700 scale)

• Completely waterproof

• does not need to be calibrated

• Automatic switching on and off

• No buttons and switches

• Battery life at least one year