The Bluelab Original Truncheon Meter measures ranges: 0.2 D 3.6 EC, 2 D 36 CF, 100 D 1800 ppm (EC x 500), 140 D 2520 ppm (EC x 700). The Bluelab Truncheon Meter is one of the most rugged EC/TDS/PPM meters available in the market. With a 5 year warranty, expect this Bluelab meter to last through many crop cycles.
