The Lightmeter Model CA811 is a portable, easy-to-use instrument which features 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 this instrument the right choice for any application.
The Lightmeter Model CA811 is designed for simple one-hand operation. It provides selectable lux or footcandle units for display and features a 3 1/2 digit backlit LCD, HOLD and MAX functions.
| Specifications |
| Range |
20 lux, 200 lux, 2000 lux, 20k lux
20 fc, 200 fc, 2000 fc, 20k fc |
| Resolution |
0.01 lux, 0.01 fc |
Accuracy
Type A 2856 Light Source
Common Light Source |
±5% of Reading ± 10cts
±18% of Reading ± 2cts |
| Sensor |
Silicon photodiode |
| Spectral Response |
CIE photopic curve |
| Sample Rate |
2.5 times per second, nominal |
| MAX Function |
Yes |
| Display |
3½ digit backlit LCD, 2000 count |
| Power Source |
9V alkaline battery (included) |
| Battery Life |
200 hours |
| Low Battery Indication |
Yes |
| Dimensions |
6.81 x 2.38 x 1.5” (173 x 60.5 x 38mm) |
| Weight |
Approximately 7.55oz (214g) including battery |
| Operation Temperature |
32 to 122°F (0° to 50°C) |
| Storage Temperature |
-4 to 140°F (-20° to 60°C) |
| Safety Compliance |
EN 61010-1 (1995-A2) |
| Pollution Degree |
2 |
| Safety Rating |
24V CAT III |
