Features
- Fast – non-destructive measurement at an affordable price
- Cited by more than 400 published scientific papers
- User selected sample averaging size from 2-30 measurements for nitrogen management applications
- Comma delineated files may be opened directly in Excel ® using a USB port
- An almost unlimited memory included for data logging
- Lightweight, Hand-Held Design Optimized for Field Work
- Displays Chlorophyll Content Index or CCI
Specifications
Measured Parameters: Optical absorbance in two different wavebands: 653 nm (Chlorophyll) & 931 nm (Near Infra-Red).
Measurement Area: 9.52 mm (3/8″) diameter circle (71 mm2)
Resolution: 0.1 CCI unit
Repeatability: +/- 1%
Source: Custom 2 wavelength LED module.
Detector: Silicon photodiode with integral amplifier for absorbance measurement, power monitoring, and temperature compensation.
Storage Capacity: 8 Mbyte of memory for up to 160,000 data measurements, or 94,000 with added GPS data entries.
Data Modes: (3) Single point, user selectable from 1-30 point averaging, and a statistical 10-30 point protocol that asks to replace data points beyond a 2 sigma standard deviation.
User Interface 128 x 32 pixel graphic display, beep signals, keys for: setup, measurement protocols, diagnostics, data control and user input of alphanumeric comment lines.
I/O: USB 1.1 & RS-232; multi-point file output, single point out on demand, NMEA 0183 compliant for GPS data input.
Temperature Range: 0-50oC.
Temperature Drift: Temperature compensated source and detector circuitry for minimum drift over full range.
Power Source: 9V Alkaline battery.
Auto Off Interval: 4 minutes (no key press or data download).
Size: 152(L) x 82(W) x 25(D) mm
Weight with battery: 162 g
Ordering Information:
CCM-200 plus Chlorophyll Content Meter
Includes: On board averaging, GPS connectivity, 9 Volt Battery, USB cable, and Owners Manual.
ccm-vs-spad