Specifications: Fluke 941 Light Meter
| Measurement parameter | |
| Range | 20, 200, 2000, 20000, 200000 Lux 20, 200, 2000, 20000FC (footcandle) |
| Precision | ±3% (at 2854°K - calibrated by the common incandescent lamp) ±6% other visible light sources Cosine error 30°±2% 60 °±6 % 80 °±25 % Cosine angle corrected according to the grade A general specifications of JIS C 1609:1993 and CNS 5119 A |
| Specifications | |
| Sampling rate: | 2.5 times/second for the digital display |
| Display: | 3½ digit 1999-point LCD screen |
| Sensor: | Silicon photoelectric diode and optical filter |
| Environment: | For indoor use |
| Power supply: | 9V NEDA 1604, IEC 6LR61 |
| Battery life: | 200 hours; in about 6 minutes after auto power-off |
| Dimension (main unit) | 130 × 63 × 38 mm |
| Dimension (sensor) | 80 × 55 × 29 mm |
| Weight: | 220 g (including the battery) |
| Warranty period: | 1 year |