The Extech 407026 light meter has microprocessor control to ensure maximum accuracy plus special functions. It uses a precision photodiode sensor and color correction filter and takes cosine and color corrected measurements. Using the included RS-232 interface, users can connect the meter to a PC and use Extech's datalogger software to measure and perform calculations on the readings.
| Accuracy | ± 4% |
| Dimensions | 7" H x 2.9" W x 1.3" D |
| Weight | 1.6 lbs |
| PC Interface | RS-232 serial cable (included) |