Technical Assistance (800) 343-1391 www.aemc.com
Features optical sensors that are
designed to match the response of
the human eye
FEATURES
• Easy one-hand operation
• Designed to measure a wide range
of lighting types
• Removable sensor for remote reading
• Measures in footcandles (fc) or lux
• Measures incandescent lighting
•Cosine corrected
• Hold function
•Max function (Model CA811)
•Peak function (Model CA813)
•CIE photoptic (human eye) response
•2000-count backlit LCD
•Lightweight and compact
•Removable protective sensor cover
• Includes rugged, shockproof, protective
and dirt resistant gray holster
APPLICATIONS
• Testing for OSHA compliance in
workplace, cleanroom and industrial
settings
• Ambient testing for light-sensitive
displays and archives in museums and
art galleries
Models CA811 & CA813
ENVIRONMENTAL TESTERS
Lightmeter
*Note: Model CA813 offers higher sensitivity (200klux) and has a
better spectral response to common light sources. Model CA811
is used to measure incandescent lighting.
SPECIFICATIONS
MODELS CA811 CA813*
Range 20fc, 200fc,
2000fc, 20kfc
20fc, 200fc,
2000fc, 20kfc, 200kfc
20lux, 200lux,
2000lux, 20k lux
20lux, 200lux,
2000lux, 20k lux,
200k lux
Display Resolution 0.01fc or 0.01lux
Sensor Silicon photodiode
Spectral Response CIE Photoptic Curve
Accuracy
2856K Light Source
Common Light Source ±5% of Reading ± 10cts
±18% of Reading ± 2cts
±5% of Reading ± 10cts
±11% of Reading ± 2cts
Sample Rate 2.5 times per second,
nominal
2.5 times per second,
nominal
GENERAL
Display 3½ digit liquid crystal display (LCD), 2000-count
Operating Temperature 32° to 122°F (0° to 50°C), <80% RH
Storage Temperature -4° to 140°F (-20° to 60°C), 0 to 80% RH without battery
Polarity Automatic
Power Source One 9V Alkaline battery (included)
Low Battery Indication is displayed when battery voltage is low
Dimensions 6.81 x 2.38 x 1.5" (173 x 60.5 x 38mm)
Weight Approx. 7.55 oz (214g)
including battery
Approx. 7.9 oz (224g)
including battery
CATALOG NO. DESCRIPTION
2121.20 Lightmeter Model CA811
2121.21 Lightmeter Model CA813
Special
product
features
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