atLEAF CHL STD Chlorophyll meter

by atLEAF

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The atLEAF CHL STD is a powerful, handheld, easy to use device for noninvasively measuring the relative chlorophyll content of green leaf plants. Chlorophyll content can be an indicator of the plant's condition.

Plant relative chlorophyll concentration is measured by inserting a leaf into the device aperture. Green leaves of up to 0.1 inch (3 mm) thickness can be measured. It only takes one press of the key to perform a basic measurement.

View up to 64 measurements stored in the device's memory.


- Measuring System: Optical density difference at 2 wavelengths (640 nm and 940 nm)
- Keys: 4 keys to operate all functions; simple, one-key operation to perform measurements only
- Display: 2 lines x 16 characters
- Data Memory Capacity: 64 measurements
- Auto power off: after 1 minute of inactivity
- 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")

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