atLEAF Digital Chlorophyll Meter

In stock

Quickly and easily determine the chlorophyll levels of your leaves. Easily convert readings to SPAD units. Chlorophyll levels is a good indicator of Nitrate Nitrogen levels. Data logging for up to 68 measurements by species name.

atLEAF Digital Chlorophyll Meter


  • Fast noninvasive measurement of chlorophyll contents
  • view up to 64 measurements stored in the device’s memory
  • Canadian Journal of Soil Science found "Equivalent performances were observed for SPAD and atLEAF values in different environments regardless of crop species. Therefore, the atLEAF+ Chlorophyll meter can be used as an inexpensive alternative to the SPAD-502 meter." Without the $2600+ price tag. Click Here.
  • Measurement of optical density difference at 2 wavelengths (660nm and 940nm)
  • Easily convert units to SPAD units if needed. Click Here.
  • Great indication of nitrogen update and plant health.
  • Comes with 1 year warranty.
  • NOTE: Does not come with software or USB port to connect to computer. Order atLEAF+ for software and data logging functionality.

atLEAF Chlorophyll meter is a powerful, handheld, easy to use device for noninvasive measurements of the relative chlorophyll content of green leaf plants. Chlorophyll content can be an indicator of the plant’s health and Nitrogen uptake levels.

Chlorophyll levels in your leaves are closely related to Nitrogen concentration and can thus allow you to quickly and simply detect and correct potentially devastating deficiencies in a matter of seconds. By being able to instantly determine chlorophyll levels in plants, you are able to monitor and record over time your crops health, make vital fertilization decisions which will not only increase your yields, but also help you to avoid crop failure.

 Plant relative chlorophyll concentration is measured by inserting the leaf of the plant into the device aperture. Green leaves of up to 0.1 inch (3mm) thickness can be measured with just one press of a button. 

  • atLEAF chlorophyll meter
  • Printed User Manual
  • Two AA batteries

Unit ship weight: 3 lbs

  • Measuring System - Optical density difference at 2 wavelengths (660nm and 940nm)
  • Keys - 4 keys to operate all functions; simple, one-key operation to perform measurements only
  • Display - 2 lines x 16 characters
  • Data Memory Capacity - 68 measurements 
  • Power Source - 2 AA (1.5V) batteries
  • Battery Life - 5,000-30,000 measures, depending on use and batteries type
  • Time to perform a measure - Less than 1 sec
  • Dimensions (W x D x H) - 164 x 78 x 49mm (6 1/2 x 3 x 2")
  • Weight - 225g (8 oz)(not including batteries)
  • Auto power off - after 1 minute of inactivity (10 minutes in USB mode)
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