Leaf Area Meter

The CI-202 Portable Leaf Area Meter is a scanning instrument which can be used in the field to measure leaves. It is small enough to be used to take measurements while the leaf is attached to the plant and is capable of measuring several parameters of the leaf.

The meter can perform non-destructive measurements including area, length, width, and perimeter. It can also calculate shape factor (how close the shape is to a perfect circle) and aspect ratio. The accumulated area function will total the area of two or more measurements. An RS232C port transfers data to a printer or computer. The unit consists of a control unit with LCD display, microprocessor, software, data cable, battery pack, charger, scan board, and a hand held scanner.

Operation is relatively simple. After turning the unit on, "measure" is displayed. The different parameters can be accessed using the "function" key. To measure, place the leaf under the clear plastic on the scan board. Push and hold the button on the side of the scanner as you slowly move the scanner over the leaf. To save the measurement, press the "execute" button on the control unit. The instrument will confirm with a "data saved" message on the display. Previously saved measurements can be accessed with the "view" option in the function menu.

Stored data can be sent to a computer or printer with the supplied cable. The cable is connected to the serial port of the receiving unit. "Threshold" feature allows you to see if a light colored leaf, or a diseased portion of a leaf can be measured. Threshold is adjustable with a roller switch on the side of the scanner.

Dimensions-5" x 10" x 1". Weight 4.5 lbs.

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Please Note: The information contained in this publication is intended for general information purposes only. This publication is not a substitute for review of the applicable government regulations and standards, and should not be construed as legal advice or opinion. Readers with specific questions should refer to the cited regulation or consult with an attorney.