Fluke
Fluke 941 Light Meter
Model No :
Fluke 941
Part Code :
4971772

Overview

The Fluke 941 is a handheld luminometer than can measure visible light sent from a variety of light sources, to include fluorescent, metal halide, high pressure sodium, or incandescent lamps. With an extension cord to the light meter and separate display the Fluke 941 provides a handheld tool to accurately measure light in multiple environments. The Fluke 941 is a portable tool that measures light up to 20,000 fc of lux with an accuracy of .01 fc/lux.

Features
- Measure in lux or foot-candles, with one button to switch between display options
- Measuring range up to 20,000 lux or foot candles
Data hold to freeze reading on the digital display
- Min/max ability to show high and low readings
- Auto power off to save battery life includes protective sensor cap

Major Applications
- Clean room environments, agriculture, HVAC operations Room illumination assessment as part of environmental health and safety reviews Light source quality and troubleshooting
Technical Specifications
- Range 20, 200, 2000, 20000, 2000 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

General 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