LightScout CR2032 PRODUCT MANUAL
Quantum PAR Light Meter
PRODUCT MANUAL
Item # 3415A
FOR USE UNDER ANY LIGHT SOURCE, INCLUDING LED
2
Specifications
Range: PAR Light 0.0 to 6500 µmol m
-2 s-1
, 400 to 700nm
DLI (Daily Light Integral) 0.0 to 560.0 moles m
-2
day-1
Display Resolution: PAR Light 0.1 µmol m-2m
-2 s-1
from 0.0 to 99.9,
1 µmol m
-2 s-1
from 100 to 6,500
DLI 0.1 moles m
-2
day-1
Accuracy: ±5% (each meter is calibrated to a NIST traceable light sensor
on a broad-spectrum light source)
Azimuth Error: ±1% over 360°
Daily Light Integral (DLI): Calculated continuously from light readings every 3
minutes
Water Resistant: IP-65 rated for use in rain, irrigation, and condensing environ-
ments (do not submerge)
Operating Environment: 32-130°F(0-55°C) with 0-100% RH (condensation ok)
Battery: CR2032 3v lithium coin cell included (2-year battery life)
Size & Weight: 5.75 x 1.75 x 0.85in (14.6 x 4.5 x 1.8cm), 0.17lb (77g)
Response Data: (Red line is meter response; Black line is ideal response)
Spectral Response Cosine Response
Features
• Provides accurate PAR light readings from ANY light source:
• Full sun to full shade indoors or outdoors.
• Artificial light sources (LED, High Pressure Sodium, Metal Halide,
Fluorescent, Halogen...).
• Three modes of operation:
• Instant Spot Measurement mode for PAR light readings.
• Scan mode for quickly averaging PAR over an area.
• DLI mode shows Daily Light Integral on the LCD (no computer
needed).
• Integral mounting plate for: stand, stake, lanyard & hanger hole, and
magnet mounts.
• Small size allows light readings in tight spaces - no need for an exter-
nal sensor.
• 1/4-20 threaded hole for mounting on camera tripods & stands.
• Includes sensor cover & soft carrying case.
3
Sensor Cap
Light Sensor
LCD Display
POWER Button
SCAN Button
Battery Compartment
Universal Mounting Bracket
Meter Components
The LCD will show an empty battery icon when it is time to change
the battery. Remove the screw cover of the battery compartment by
rotating counter clockwise. A coin may be required to loosen the
cover. Gently pry out the old battery with a small knife or tiny screwdriver as shown below, being careful not to damage the battery
holder. Replace with a new CR2032 lithium coin cell battery and
replace the screw cover. Tighten the cover clockwise until the o-ring
seal is slightly compressed.
Changing the Battery
WARNING: Battery can explode or leak and cause burns if installed
backwards, disassembled, charged, or exposed to water, fire or
high temperature.
CR2032 Battery CALIFORNIA ONLY: Perchlorate Material – spe-
cial handling may apply. See www.dtsc.ca.gov/ hazardouswaste/
perchlorate.
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