• atLEAF Chlorophyll meters
  • BLUE Chlorophyll meter
  • Shop atLEAF chlorophyll meters
  • atLEAF chlorophyll meters accuracy
  • atLEAFSoft software description
  • atLEAF vs SPAD : Using handheld chlorophyll meters to monitor leaf senescence
  • Calibrating In-field Diagnostic Tools to Improve Nitrogen Management for High Yield and High Protein Wheat in the Sacramento Valley
  • Comparing SPAD and atLEAF values for chlorophyll assessment in crop species
  • Use of the atLEAF+ chlorophyll meter for a nondestructive estimate of chlorophyll content


  • Max error : -0.5 ... 0.5
  • Mean error : 0.2
  • Std Dev on error : 0.2
  • atLEAF CHL PLUS Repeatibility

  • Min value: 36.1
  • Max value: 36.2
  • Std Dev: 0.046
  • Download atLEAFSoft version 1.27

    Download atLEAF App

    atLEAF App for Android
    atLEAF App for Apple iOS

    atLEAF+ (Discontinued)

     Support pages

    Zhu, J., Tremblay, N. and Liang

    "There were significant correlations between SPAD or atLEAF values on the one hand and laboratory Chl content on the other hand..."

    Mark Lundy, Steve Wright, Steve Orloff, Robert Hutmacher

    "The AtLeaf meter successfully distinguished between wheat growing under different N and water conditions..."

    A. Gallinat, L. Garrison, and R. Primack

    "There is a very strong correlation between atLEAF and SPAD-502 chlorophyll readings for Vi Viburnum carlesii leaves. The point colors reflect the color of the leaf measured (R2=0.98)..."

    E.V. Novichonok, A.O. Novichonok, J.A. Kurbatova And E.F. Markovskaya

    "the atLEAF+ Chl meter is a cheap and convenient tool for a quick nondestructive estimate of the Chl content..."

    K. B. Hebbar , P. Subramanian, T. L. Sheena, K. Shwetha, P. Sugatha, M.Arivalagan ...

    "The atLeaf chlorophyll meter provided good estimates for chlorophyll concentrations in coconut..."

    Tuesday, March 26, 2019