Milwaukee EC59 PRO Waterproof EC/TDS & Temperature Tester

Available: 50 units in stock

Regular price
$74.99
$74.99
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✓ In-store pickup available in Peabody, MA
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

The Milwaukee EC59 PRO measures conductivity (EC), TDS, and temperature in one waterproof pocket tester — ideal for checking nutrient strength in hydroponic reservoirs.

  • EC range: 0 to 3999 µS/cm (1 µS resolution, ±2% accuracy)
  • TDS range: 0 to 2000 ppm
  • Temperature: 0.0 to 60.0°C / 32.0 to 140.0°F with automatic compensation
  • Replaceable Mi59P stainless steel probe
  • IP65 waterproof, auto-off after 8 minutes
  • Supplied with 1413 µS/cm calibration sachet