Cl 202 Portable Leaf Area Meter

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FEATURES
  • Measures area, length, width, and perimeter and calculates shape factor and aspect ratio
  • Non-destructive and versatile
  • Resolution of 0.01 cm2
  • Simple, straight-forward operation
  • Stores up to 8,000 single measurements
  • Lightweight and self-contained instrument with built-in data logger and LCD display
  • Rechargeable internal battery
  • USB port transfers data to computer and charges the device
  • No calibration required
  • Includes communication software, operational manual, and hard shell carrying case
SPECIFICATIONS
Measuring Thickness: 1.5cm maximum
Measuring Width:15cm maximum
Measuring Length:36cm
Scanner:670nm laser
Resolution:0.01cm2
Accuracy:±1% for samples >10cm²
Interface:USB 2.0
Memory Size:8,000 measurements
Dimensions:38.5L x 29W x 12.5H cm
Weight:1,500g
Display:16 characters x 2 lines LCD
Scanning Speed:200mm/second
Battery:7.2 volt rechargeable NiMH
Battery Capacity:Over 250 scans per charge
Operating Temperature:0-50°C

 The CI 202 Portable Laser Leaf Area Meter includes:
  • Palette style scan board
  • Laser scanner with built-in control unit
  • Battery charger
  • USB cable for data transfer
  • Communication software
  • One additional transparent film
  • Operating manual
  • Hard-shell instrument carrying case
How it Works
​The CI 202 measures length, width, area, and perimeter, and calculates ratio and shape factor once a measurement is completed.Each time the control unit detects that the laser scanner has progressed 1 mm, the computer checks to see if the width reading is non-zero. If the width measurement is non-zero, the computer takes the following actions:
  • The length measurement is increased by 1 mm.
  • The width measurement is added to the area accumulator.
  • If the width measurement is greater than the currently stored maximum width, the maximum width is updated.
Aspect ratio is the ratio of the leaf length to its maximum width:Shape factor is the ratio of the leaf area to the leaf perimeter, corrected so that the shape factor of a circle is equal to 1:

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