ORBECO-HELLIGE SOIL TESTERS

    Model 697-A All Purpose Soil Tester

Important Features:

  • Permanent color standards, guaranteed never to fade, results always accurate.
  • All reagents stable for minimum one year. Tester ready for immediate use.
  • Accurate results - uses proven scientific methods and latest findings in plant nutrition and soil science.
  • Portable, rugged, water resistant carrying case, measuring 24W x 10D x 8H inches, weighs 16 lbs.

Ordering Information for model 697-A
Soil Tests Performed:
  • Phosphorus
  • Potassium
  • Soil Reaction (pH)
  • Calcium
  • Magnesium
  • Chlorides
  • Nitrates
  • Ammonia


  • Active Aluminum
  • Sulfates
  • Nitrite Nitrogen
  • Manganese
  • Plant Tissue Tests
  • Ferric Iron
  • Humus (Organic Matter)
 
 

Model 694
Hellige-Truog Soil pH Tester
The most accurate inexpensive outfit for testing pH of any soil, sand, clay or peat. Perform 200 tests.
  • Triplex indicator solution produces distinct shades of color over all ranges of the pH scale.
  • Eliminates errors by use of an inert white powder to draw the reagent from soil to its surface for comparison.
  • Accurate color comparisons with laminated color chart supplied.
Ordering Information for model 697-A
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