Waterproof pH/Conductivity/TDS/Temperature Testers

  • Conductivity, pH, salinity, and TDS all in one meter
  • 3-point calibration with automatic recognition of standards
  • Large easy-to-read LCD features two-color backlight
  • Rugged IP67-rated housing is waterproof, dustproof, and floats in water when sensor cap is on
  • Leakproof cap with fill line functions as a sample/calibration and hydrating cup
  • pH range: 0.0 to 14.0 pH with ±0.1 pH accuracy.
  • Temperature range from 0.0 to 50.0°C.
  • Accuracy: Conductivity/TDS ±1%; Temperature ±0.5°C, ±0.9°F.
  • LCD display shows measured value (conductivity/TDS or pH) and temperature simultaneously. 
  • Has push-button calibration, hold function and shows error messages.
  • Conductivity calibration: 2 automatic, 2 manual; TDS calibration: 2 manual.
  • Automatic and manual temperature compensation.
  • Optional replacement sensors are available.
  • Comes with four 1.5 V alkaline batteries.
  • Dimensions (L x W x H): 6.5” x 1.5” x 1.5”.

Manufacturer : Oakton

Please note: The prices shown may not reflect those specific to your company or organization. Please log in to continue.

Mouse over for a larger view

Scroll bar to see more details
Cat.#Conductivity RangeTDS RangeMfg.#PriceQuantityEstimated Availability
639-675-020 to 1999 ┬ÁS, 2.00 to 20.00 mS-35634-60$289.34 EA  
Ships within one week

Parts & Accessories:

Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
637-475-10Replacement batteries, pk/6WD-09377-16$35.30 PK / 6  
Ships within one week
639-675-10Replacement pH SensorWD-35425-50$451.07 EA  
Ships within one week


Additional Images

Click on an image to see it full size in a separate window.

Image preview