AEMC CA811 MAX Function Lightmeter, 20,000 lux Range, 0.01 lux Resolution, +/-3% Accuracy

The Lightmeter Model CA811 is 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 Model CA811 is designed for simple one-hand operation. They provide selectable lux or footcandle units for display and feature a 3-1/2 digit backlit LCD digital display and a HOLD function. The Model CA811 offers a MAX function. 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. MAX function. CIE photoptic (human eye) response. 2000-count backlit LCD. Lightweight and compact. Removable protective sensor cover. Includes rugged, shockproof, protective, dirt resistant 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. Power/mode selector. Range: 20fc, 200fc, 2000fc, 20kfc; 20lux, 200lux, 2000lux, 20klux. Display resolution: 0.01fc or 0.01lux. Silicon photodiode sensor. Spectral response CIE photopic curve. Accuracy for 2856K light source: -/+ 3 percent, -/+ 10cts. Accuracy for common light sources: -/+ 18 percent, -/+ 2cts. 2.5 times per second, nominal display refresh rate. Operating temperature: 32 degree to 122 degree F (0 degree to 50 degree C), < 80 percent RH. Storage temperature: -4 degree to 140 degree F (-20 degree to 60 degree C), 0 to 80 percent RH without battery. Automatic polarity. Power source: 9V alkaline battery. Low Battery Indication: -/+ is displayed when battery voltage is low. Measures 2-3/8" width by 6-51/64" height by 1-1/2" depth.