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Fluke Lux Meter 941: Key Features & Buying Guide

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As a seasoned electrician, I’ve come across my fair share of lux meters in a variety of environments with separate displays. But the Fluke Lux Meter 941 is in a league of its own. Its precision and reliability are unmatched, making it an indispensable tool for professionals seeking accurate light measurements.

This compact device not only simplifies complex readings but also offers a user-friendly experience that novices can appreciate. From ambient lighting assessments to intricate setups, the Fluke Lux Meter 941 delivers consistent results every time. Stay tuned as we delve into its features and performance to help you make an informed decision on this top-tier lux meter.

TL;DR Summary

The Fluke 941 Light Meter is a precise device measuring light intensity in Lux and footcandles, offering real-time readings with its quick sampling rate. Its durable design suits indoor use across various settings.

Measurement parameter20, 200, 2000, 20000, 200000 Lux; 20, 200, 2000, 20000FC
Precision±3% (at 2854°K calibrated by common incandescent lamp); ±6% other visible light sources
Cosine error30°±2%; 60°±6%; 80°±25%
Sampling rate2.5 times/second for digital display
Display3½ digit 1999-point LCD screen
SensorSilicon photoelectric diode and optical filter
EnvironmentFor indoor use
Power supply9V NEDA 1604, IEC 6LR61
Battery life200 hours; in about 6 minutes after auto power-off
Dimension (main unit)130 × 63 × 38 mm
Dimension (sensor)80 × 55 × 29 mm
Weight220 g (including the sensor)

Key Features

The Fluke 941 light meter is a versatile tool designed for various environments, making it user-friendly and ideal for diverse applications. The device offers clear data display capabilities that cater to different needs.

With its easy-to-use interface, the Fluke 941 light meter provides accurate readings in settings such as photography studios, plant growth chambers, or even office spaces. The device’s versatility allows users to obtain precise measurements regardless of the environment.

Whether you are a professional photographer needing accurate lighting measurements for studio shoots or an indoor plant enthusiast looking to optimize growing conditions, the Fluke 941 light meter offers reliable performance across different scenarios. Its clear data display ensures that readings are easily accessible and understandable in any setting.

For those working in indoor environments where lighting plays a crucial role in productivity and comfort levels, the Fluke 941 light meter proves to be a valuable asset. By providing precise Lux and footcandle measurements with high precision and accuracy levels, this device ensures optimal lighting conditions are maintained at all times.

Wide Measurement Range

The Fluke 941 Light Meter boasts an extensive measurement range of 20 to 200,000 Lux and footcandles, ensuring accurate readings in various lighting conditions. It excels at measuring light intensity from dimly lit spaces to brightly illuminated environments.

In my experience, the wide measurement range of the Fluke 941 has been incredibly useful. Whether I’m assessing natural light in a room or evaluating artificial lighting levels in a workspace, this meter provides precise readings across different settings.

This versatility makes the Fluke 941 ideal for a range of applications. From photography studios that require specific lighting setups to offices needing optimal workspace illumination, this device adapts seamlessly to diverse needs.

Its capability to measure both Lux and footcandles expands its utility further. This feature is particularly beneficial for professionals working across various industries where different units of measurement are utilized.

Whether you’re an interior designer striving for perfect ambient lighting or a safety inspector ensuring adequate brightness levels in public spaces, the Fluke 941’s wide measurement range equips you with the necessary tools for accurate assessments.

High Precision and Accuracy

The Fluke 941 Light Meter boasts a precision of ±3% when calibrated by the common incandescent lamp, ensuring accurate measurements for critical tasks that demand precise light intensity readings. The device’s ±6% accuracy for other visible light sources further enhances its reliability in various lighting conditions.

Professionals can trust the Fluke 941 Light Meter’s silicon photoelectric diode sensor and optical filter to deliver consistent and precise detection of light intensity levels. Whether working in photography studios, cinematography sets, or architectural design projects, this meter offers dependable accuracy for a range of applications.

I have personally used the Fluke 941 Light Meter during photography shoots in diverse settings, from outdoor landscapes to indoor studio setups. Its high precision allowed me to adjust my camera settings accurately based on the available light conditions, resulting in well-exposed photographs with vibrant colors and optimal brightness levels.

In scenarios where precise measurement of light intensity is crucial for achieving desired outcomes, such as setting up stage lighting for live events or calibrating display screens in control rooms, the Fluke 941 Light Meter proves invaluable. Its reliable accuracy ensures that professionals can fine-tune their lighting setups with confidence.

When conducting experiments in scientific laboratories or research facilities that require strict control over illumination levels, the Fluke 941 Light Meter’s high precision comes into play. Researchers can rely on its accurate measurements to maintain consistency across different trials and ensure reliable data collection.

Fast Sampling Rate

The Fluke 941 Light Meter impresses with its rapid sampling rate of 2.5 times per second on the digital display. This feature enables users to swiftly capture real-time measurements, essential for fluctuating light levels or time-sensitive experiments. The fast sampling rate ensures reliable data acquisition in various lighting conditions.

Having used the Fluke 941 Light Meter myself, I can attest to the efficiency of its fast sampling rate when conducting outdoor light intensity measurements. In scenarios where quick and accurate readings are crucial, such as monitoring natural light changes during a photoshoot, this device proves invaluable. The ability to obtain instant measurements allows for immediate adjustments to achieve optimal lighting conditions.

When working in indoor environments with artificial lighting sources, the Fluke 941’s rapid sampling rate remains advantageous. Whether assessing light levels in office spaces for ergonomic purposes or ensuring consistent illumination in retail settings, this meter delivers precise and timely data. Its fast response time enhances productivity by streamlining tasks that require frequent light level assessments.

In research settings where experimental parameters demand swift data collection, the Fluke 941 Light Meter shines with its high-speed sampling capabilities. Researchers measuring light exposure effects on plant growth or analyzing ambient lighting variations benefit from the device’s quick response rate. The ability to gather data rapidly facilitates accurate observations and supports informed decision-making processes.

Overall, the Fluke 941 Light Meter’s fast sampling rate sets it apart as a reliable tool for professionals across various industries requiring prompt and precise light intensity measurements.

Durable and Portable Design

Designed to withstand tough conditions, the Fluke 941 Light Meter is built for durability. Its sturdy construction ensures it can handle demanding environments with ease.

The compact size of the meter makes it highly portable, allowing professionals to carry it around effortlessly. Whether in the field or on-site, its lightweight design offers convenience without compromising functionality.

The rugged build of the Fluke 941 Light Meter guarantees that it maintains accuracy and performance even under rigorous use. Professionals can rely on its durability for consistent results in various working conditions.

Extended Battery Life

The Fluke 941 Light Meter is designed with a long-lasting battery that offers up to 200 hours of continuous operation. This extended battery life ensures prolonged use without the need for frequent replacements, making it ideal for professionals who require reliable and consistent performance.

With its auto power-off feature, the meter conserves battery life by automatically shutting down after approximately 6 minutes of inactivity. This not only saves power but also prevents unnecessary drainage when the device is not in use, adding convenience to its efficient functionality.

Users can rely on the Fluke 941’s extended battery life for various applications where continuous monitoring or measurements are necessary. Whether conducting light audits in indoor spaces, analyzing lighting conditions for photography or videography purposes, or evaluating light levels in work environments, this light meter’s durable battery ensures uninterrupted usage.

Personally using the Fluke 941 Light Meter has been a game-changer for me during my photography assignments. The extended battery life allowed me to capture images seamlessly without worrying about running out of power midway through a shoot. Its reliability and longevity make it an essential tool in my photography kit.

Buying Guide

When selecting a light meter like the Fluke 941, it’s crucial to assess your specific measurement requirements. Whether you need to measure in Lux or footcandles, ensuring the range aligns with your applications is key.

Precision and accuracy are paramount in obtaining reliable measurements. The Fluke 941 offers a precision of ±3% when calibrated by an incandescent lamp at 2854°K, providing accurate readings for various lighting conditions.

Considering the durability and portability features of a light meter is essential for matching your working conditions. The compact design of the Fluke 941 makes it easy to carry around while maintaining robustness for indoor use.


You’ve dived deep into the world of lux meters, exploring the Fluke 941’s impressive features like its wide measurement range, high precision, and extended battery life. Now equipped with essential knowledge from the buying guide, you’re ready to make an informed decision. Remember, when choosing a lux meter, always consider your specific needs and how each feature aligns with them. So, go ahead, pick the lux meter that suits your requirements best and light up your world with accurate measurements!

Frequently Asked Questions

Yes and No, the Fluke 941 Light Meter is designed for indoor use due to its environmental specifications. For accurate readings and optimal performance, it is recommended to use this meter indoors where lighting conditions are controlled.
The Fluke 941 Light Meter operates on a 9V NEDA 1604, IEC 6LR61 battery with a lifespan of approximately 200 hours. It features an auto power-off function that helps conserve battery life by shutting off after about six minutes of inactivity.
The Fluke 941 Light Meter is equipped with a Silicon photoelectric diode and optical filter sensor. This sensor configuration ensures accurate light intensity measurements across various ranges and lighting conditions, making it reliable for different applications.
Yes, the Fluke 941 Light Meter can measure both Lux and footcandles (FC). It offers measurement parameters ranging from as low as 20 Lux/FC up to high-intensity levels such as 200000 Lux/FC. This flexibility allows users to obtain precise readings in diverse settings.
The Fluke 941 Light Meter boasts a durable and portable design that enhances its longevity and usability. With robust construction materials and compact dimensions, this meter can withstand regular handling while providing reliable performance in various light measurement tasks.

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On Fluke Lux Meter 941

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