$204.00 $193.80
  • ORP15
  • Usually ships in 2-3 weeks. Call for expedite options



  • ORP
    • Measurement range: -1100 to 1100 units
    • Resolution: 1mV
    • Accuracy: 1mV ±1 LSD
  • Temperature
    • Measurement range: -10 to 100°C (14 to 212°F)
    • Resolution: 0.1°C (0.2°F)
    • Accuracy: ±0.3°C (±0.6°F)
  • Operating range 0.0 to 50.0 °C (32.0 to 122.0 °F)
  • IP-67 waterproof housing
  • Replaceable electrodes
  • 50-set memory (absolute and relative ORP, temp, date and time stamp)
  • Absolute and relative mV readings
  • "Hold" feature locks readings on display
  • Graphic display with on-screen instructions


The YSI EcoSense® ORP15 pen-style tester measures ORP and temperature. It has an easy-to-use graphic interface, one- handed operation, memory and a low cost of ownership over the life of the product. The easy, user-replaceable electrode ensures the instrument is always ready for use. YSI ORP15 pen-style testers are designed for quick, accurate results in an economical platform.

The YSI ORP15 tester features IP67 water-proof housing, replaceable electrodes, a 50-set memory (absolute and relative ORP, temp, date and time stamp), absolute and relative mV readings and low battery indicator. The tester also has on- screen instructions and a "hold" feature which locks the readings on the display.

Applications for the YSI ORP15 ORP / Temperature Pen-style Tester

  • Pulp bleaching
  • Bleach production
  • Water / Wastewater
  • Aquaculture (Ozone)
  • Fruit and vegetable washing
  • Cooling towers
  • Swimming pools / spas
  • Metal finishing
  • Poultry processing