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Oakton™ Waterproof Big Display pHTestr™ 20

High ±0.01 pH accuracy in a waterproof pocket-sized instrument

Manufacturer: oakton™  WD-35634-20

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Catalog No. 13-200-262

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Description & Specifications


Includes Meter, electrode, four 1.5V batteries, instructions
Range (pH) -1 to 15
Resolution (pH) 0.01
Accuracy (pH) ±0.01
Calibration Points (pH) Up to 3
Display Type LCD
IP Rating 67
Certifications/Compliance USA, NIST
Temperature (English) Operating 32° to 122°F
Temperature (Metric) Operating 0 to 50°C
Detection Range -1 to +15pH
Diameter (English) 1.5 in.
Diameter (Metric) 3.8cm
For Use With (Application) Hold function, auto-off, error messages, waterproof, dustproof and floatable
Resolution 0.1pH
Shipping Weight (English) 4.5 oz.
Shipping Weight (Metric) 0.12kg
Accuracy ±0.1pH
Length (Metric) 16.5cm
Warranty 1 Year

  • Suitable for most ASTM and EPA test procedures
  • Microprocessor-based, with accurate readings to 0.01pH
  • Replaceable electrode (S65290 or NC9830226) lets you use Testr body many times over, save money
  • Unique double junction design and extra reference gel volume for significantly longer electrode life, especially in harsh applications
  • Automatic temperature compensation
  • Push-button three-point calibration
  • Auto buffer recognition: selectable buffer sets
  • Hold function; auto-off; error messages
  • Waterproof, dustproof and floatable; certifiable to IP67 standards


Accessories for Catalog Number: 13200262

Item Mfr. No. Item Description Price Per Unit Quantity