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Micro Store -> Inspection Tools & Equipment -> Water Quality Meters -> Extech/Flir ExStik® RE300 ORP Meter

Extech/Flir ExStik® RE300 ORP Meter

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ExStik® ORP Meter - ORP meter with rugged flat surface ORP electrode and high resolution of 1mV.


  • Measures ORP/Redox from -999 to 999mV
  • Automatic electronic self calibration
  • Simulated analog bargraph displays change in ORP reading
  • High resolution of 1mV
  • Memory stores and recalls 15 readings and saves last calibrated value
  • Data validation indicators show user the reading is stabilized
  • Data Hold, Auto shut-off and low battery indication


EX006: Weighted Base and Solution Cups Kit


  • Plastic solution cups with caps for storing your solutions
  • Iron cast weighted base to hold the meter in plastic solution cup to obtain a stable reading
  • Allows for hands-free measurements
  • Complete with weighted base and 5 solution cups with caps

English RE300 Data Sheet

Available Options/Accessories

RE300 ExStik® ORP Meter $119.99
Members: $116.40
Add To Cart
EX0006 Weighted Base and Solution Cups Kit $15.99
Members: $15.52
Add To Cart
EX007 Spare Sample Solution Cups (24pk) $14.99
Members: $14.55
Add To Cart
CA895 Small Vinyl Carrying Case with Belt Loop $15.99
Members: $15.52
Add To Cart
RE305 ExStik® Replacement ORP Electrode Module $54.99
Members: $53.35
Add To Cart

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Looking for more products from Extech? We carry many more products than we are able to list on our website. Click here to download the full Extech catalog. Then contact us to place your order!