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Leaf Sensor  - The How to Use page
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Leaf Sensor  - The How to Use page
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Leaf Sensor - The How to Use page
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$260.99 (Buy 5 or more and SAVE!)
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Leaf Sensor Rev3

New Improved - Calibrated real-time leaf sensor that measures water levels of live plants for aeroponics, hydroponics and drip irrigation systems. 

Easy to Use: Simply affix the Leaf Sensor to a healthy plant leaf and begin monitoring the indirect measurement of leaf turgidity (moisture level) using a standard 4-digit display multimeter and external battery (not included).

Applications (partial list):  Plant Sciences / Irrigation Control / Water Management / Weather Stations / Research / Education /Agronomy Consultants

Benefits:  Measure leaf moisture levels (leaf thickness) and sap flow in real time - know when to water!

How to use  

Affixed sensor to a  leaf.  Leaf sensor signal readings (volts) are taken with a digital multimeter or a data  logger device.  As the voltage measurement increases the plant's need for water increases.  Watering lowers the signal reading to a steady state (water not needed). 


Leaf Sensor Interfacing Hardware & Equipment Options

Lots of ways to connect! Get start today!

 Leaf Sensor DIgital Meter  

 Ready to Use - BUY
      *  cable
      *  connector

      *  CD-rom

External battery not required

* Field, Benchtop & Lab Software & Controllers




    * Data Logger Compatible  (listed here)

  • Omega Data Loggers
  • National Instruments (Labview for NI USB-6000)  
  • Campbell Scientific  (LoggerNet Code for CR-1000)                                          








    *  Open Source Compatibility  (example and code shown below)

  • Ardriuno USB to PC 
  • code example sketch_leafsensor.txt                                            







Ardiuno MKR 1000  Data logger Board

AH-350   New for 2020


* Open source code

* (3 ea.) Leaf sensor precision excite voltage 

* WiFi to Google Drive Spreadshets 

* (2 ea.)  i/o Input/Output


Arduino Data logger Board for leaf sensors

Multimeter Compatible  (external battery example shown below)



    Set up:
      * Red +, Black -, Yellow signal
      * Highest reading: not affixed
      * Lowest reading: stop watering
      * Track changes


Lots of ways to connect! Get start today!

Leaf Sensor™ Rev3 includes:
    • 1 ea. Leaf Sensor
    • 3- wire connector (male)
    • 1 ea - 10ft Cable Connector (female)
    • Software rev3 & Instructions  CD-ROM
    • Free Technical Support
    • 1-year Limited Warranty
















    •  Size:  1”L x 1/4”H x 3/8”W
    • Weight:  0.55 grams
    • Analog Output range: 1.45vdc to 2.0vdc  @ 3.0vdc input
    • Input voltage (vdc):  3.0 (min), 3.3 (typical), 5 (max) 
    • Source Current: 1.5 mA
    • Signal Resolution (16-bit):  > 0.00001vdc
    • Temperature Range:  > 32F to 120F
    • Water resistant (indoor & outdoor use)
    • Self-calibrating
    • Reference



$260.99  (Buy 5 or more and save BIG)

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How to use the Leaf Sensor Rev3 for all plants. Know when to water.  Easy to use. Measures water levels using a digital multimeter or data logger. Precision Irrigation Monitor when used with these devices. Click to BUY.


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