AEMC CA811 (2121.20) Lightmeter

The AEMC CA811 nd CA813 lightmeters are portable, easy-to-use instruments which feature optical sensors that are designed to match the response of the human eye, making them ideal instruments for workspace analysis and planning. The ergonomically designed case, large display and intuitive function selection make these instruments the right choice for any application.

The Lightmeter Models CA811 and CA813 are designed for simple one hand operation. They provide selectable lux or footcandle units for display and feature a 31⁄2 digit backlit LCD digital display and a HOLD function.

The Model CA811 offers a MAX function, while the Model CA813 offers a PEAK function and a broader light response.

• Easy one-hand operation
• Designed to measure a wide range of lighting types
• Removable sensor for remote reading
• Measures in footcandles (fc) or lux
• Cosine corrected
• HOLD function
• MAX function (Model CA811)
• 2000-count backlit LCD
• CIE photoptic (human eye) response
• Lightweight and compact
• Removable protective sensor cover
• Includes rugged, shockproof, protective, dirt resistant holster
• PEAK function (Model CA813)

• Testing for OSHA compliance in workplace, cleanroom and industrial settings
• Ambient testing for light-sensitive displays and archives in museums and art galleries

• Range : 20fc, 200fc, 2000fc, 20kfc, 200klux (CA813 only)
• Display Resolution : 0.01fc or 0.01lux
• Sensor : Silicon photodiode
• Spectral Response : CIE Photopic Cur
• Accuracy for : ± 3% ± 10cts

: 2856K Light Source

• Accuracy for : ± 18% ± 2cts
• Common Light Sources
• Display Refresh Rate : 2.5 times per second, nominal
• Display : 31⁄2 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 : 9V Alkaline battery
• 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

• AEMC CA811_CA813 Datasheet.pdf