:: Product Information

FieldScout CM 1000 Chlorophyll Meter

  • CM1000


FieldScout CM 1000 Chlorophyll Meter

“Point-and-shoot” technology to instantly measure relative chlorophyll content

  • Detects stress earlier than visual monitoring

  • Technology based on an exclusive patent license from NASA

  • Laser guides outline the edges of the measured sample area

  • Calculates and displays a running average for multiple readings

  • Connects to any GPS receiver that has a serial output option*

  • Equipped with internal data logger and RS-232 port

  • Records 3,250 measurements (1,350 with added GPS/DGPS option)

  • Configure and download meter with FieldScout? software (not included)**

  • Compatible with SpecMaps? online web-mapping application

  • Includes hard carrying case and batteries

*    GPS interface requires two cables.  The GPS/DGPS cable (item 2950CV5) is available from Spectrum.
    A PC serial interface cable supplied by the manufacturer of the GPS receiver is also required.
**    PC cable connects to a computer USB port. 

Measurement Sample: Plant leaves, turf grass canopy

Measurement System: Reflectance; Ambient and reflected 700 nm and 840 nm light are used to calculate the relative chlorophyll index

Measurement Area: Conical viewing area between 12 and 72 in

Minimum Distance: 12 in (30.5 cm) from lens

Maximum Distance: Accuracy is unknown beyond 72 in from lens

Distance From Lens:Sample Area (Diameter):
12 in (30.5 cm)0.53 in (1.35 cm)
18 in (45.7 cm)1.21 in (3.07 cm)
48 in (1.22 m)4.65 in (11.8 cm)


Receptor: (4) photodiodes; (2) for ambient light and (2) for reflected light from the sample (leaf)

Measurement Units: Index of relative chlorophyll content; 0 to 999

Measurement Interval: 2 seconds per measurement

Repeatability: ±5% of reading

Data Logger: Requires software and PC interface cable; Capacity:1,350 measurements with GPS/DGPS; 3,250 measurements without GPS/DGPS; nonvolatile memory

Battery/Life: 2 AAA batteries (included); approx. 3,000 measurements

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