The Fluke 941 lux meter manual provides operation instructions, specifications, maintenance and battery replacement details.
The Fluke 941 lux meter measures visible light from sources such as fluorescent, metal‑halide, high‑pressure sodium and incandescent lamps. The manual covers setup, operation modes, data hold, range selection, zeroing, auto‑shutoff, specifications, and maintenance procedures.
Key sections include opening and inspection, detailed operating steps, specifications, care and service guidelines, and battery replacement instructions. This manual is written in Chinese.
| Sampling rate | 2.5 samples per second |
|---|---|
| Display resolution | 3½‑digit, 1999‑point LCD |
| Sensor type | Silicon photodiode with filter |
| Operating temperature | -10 °C to 50 °C |
| Relative humidity (operating) | 0 % to 80 % |
| Power source | 9 V NEDA 1604 (IEC 6LR61) battery |
| Battery life | ≈200 hours |
| Auto‑shutoff time | ≈6 minutes of inactivity |
| Dimensions (main unit) | 130 × 63 × 38 mm (5.1 × 2.5 × 1.5 in) |
| Weight (with battery) | 220 g (0.48 lb) |
| Measurement range (Lux) | 20 – 200 000 Lux |
| Accuracy (standard lamp) | ±3 % at 2854 K |
It automatically shuts off after about 6 minutes of inactivity.
It uses a 9 V NEDA 1604 alkaline battery or an equivalent 9 V battery.
The meter measures from 20 to 200 000 Lux (or 20 to 200 000 Fc).
Cover the sensor, press the ZERO button; the display shows “ADJ” then “00.0”.