FLUKE 941 Lux Meter

FLUKE 941 Lux Meter | Professional Digital Light Meter

Reliable Light Measurement for Industrial & Commercial Environments in Sri Lanka

The FLUKE 941 Lux Meter is a robust, industrial-grade digital light meter designed for professionals who demand durability and high accuracy in illuminance measurement. Built by FLUKE, a globally respected leader in test instruments, the 941 offers precise light intensity monitoring with fast sampling and intuitive controls. It is the trusted choice for environmental health and safety audits, facility management, agriculture, and HVAC engineers in Sri Lanka who need reliable measurements in cleanrooms, offices, and agricultural sites.

This portable lux meter provides quick, accurate readings up to 200,000 Lux (and 20,000 foot-candles) using a silicon photoelectric sensor connected via an extension cord for versatile placement. The large 3½-digit LCD screen, data hold, and min/max capture functions make it easy to record and compare values across multiple locations. The Fluke 941's durable design, with 200-hour battery life and auto power-off, ensures it stands up to frequent use in demanding environments.

Key Features of the FLUKE 941 Light Meter

Wide Measurement Range

Measures from 20 up to 200,000 Lux or 20,000 foot-candles to cover everything from low ambient light to bright sunlight or industrial workspaces.

Data Hold & Min/Max Functions

Freeze the current display, and instantly capture high/low readings for easy diagnostics, reporting, and site comparison.

Separate Sensor with Extension Cord

Silicon photoelectric sensor and optical filter provide accurate detection and flexible access to hard-to-reach test locations.

Auto Power Off & Long Battery Life

Built-in auto shutoff conserves power; up to 200 hours continuous use from a single 9V battery.

Durable Industrial Design

Compact, rugged housing ideal for field work; backed by FLUKE's 1-year warranty.

Common Applications

This flexible lux meter is ideal for:

Health and Safety Audits

Verify and document indoor light levels for compliance and workplace safety across cleanrooms, laboratories, and office buildings.

Agriculture & Horticulture

Monitor and optimize light conditions in greenhouses, grow tents, and farm environments for maximum yield and plant health.

HVAC & Facility Management

Assess, maintain, and troubleshoot building light systems as part of overall indoor air quality management.

Lighting Design Validation

Measure and compare brightness from different lamp types (LED, halogen, fluorescent, metal halide).

Technical Specifications of the FLUKE 941 Lux Meter

Product Name

FLUKE 941 Lux Meter

Measuring Range

20, 200, 2000, 20000, 200000 Lux; 20, 200, 2000, 20000 foot-candles

Accuracy

±3% (at 2854°K); ±6% other visible light sources; cosine corrected JIS C 1609:1993 grade A

Sensor

Separate silicon photoelectric diode with optical filter

Display

3½-digit 1999-point LCD

Sampling Rate

2.5 times/sec

Features

Data Hold, Min/Max, Auto Power Off

Battery

9V (NEDA 1604, IEC 6LR61), approx. 200 hours life

Weight

220 g (including battery)

What's in the Box?

1 x FLUKE 941 main unit

1 x Sensor with extension cord

1 x Protective sensor cap

1 x 9V battery

1 x User manual

Downloads

📄 Download FLUKE 941 Datasheet
📄 Download FLUKE 941 User Manual