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Lux Meter | Light Meter

Lux meters and light meters are essential tools for measuring the amount of light in any given environment. They are used in a wide range of industries, including photography, agriculture, horticulture, construction, and lighting design, to name a few. By measuring the amount of light in a space, these devices help to ensure that the right amount of light is provided for optimal visibility, productivity, and comfort. Whether you are setting up a new lighting system, monitoring light levels in a greenhouse, or optimizing the light in your studio, a lux meter or light meter is a crucial tool that can provide you with accurate and reliable measurements. On this page, you will find a wide selection of frequently asked questions about lux meters and light meters and finally gain understanding of this important instruments for health and occupational safety.


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What is a Lux meter and how does it work?

A Lux meter, also known as a light meter, is a device that measures the amount of light in a given area. It works by detecting and measuring the intensity of light in the visible spectrum, which is then expressed in terms of Lux units. The device is equipped with a photodiode or a phototransistor that detects light and converts it into an electrical signal. The signal is then processed by an amplifier and converted into a Lux reading. Lux meters are widely used in various industries, including lighting design, photography, and industrial applications, to ensure that lighting levels meet specific requirements for safety, comfort, and energy efficiency. By accurately measuring light levels, a Lux meter can help identify areas where additional lighting is needed, or where existing lighting can be adjusted to reduce energy consumption and improve overall lighting quality.

What are the benefits of using a Lux meter in the workplace?

The use of a Lux meter in the workplace has several benefits, including:

  • Compliance with regulations: Lux meters help ensure that workplace lighting meets regulatory requirements for minimum illumination levels, helping to ensure the safety and well-being of employees.
  • Improved lighting quality: Lux meters can be used to measure and improve the quality of lighting in a workplace, reducing the risk of eye strain, headaches and other health problems associated with poor lighting.
  • Energy efficiency: By measuring and optimizing lighting levels, Lux meters can help reduce energy consumption and lower costs.
  • Increased productivity: Adequate lighting levels have been shown to improve worker productivity and morale, as well as reduce absenteeism due to eye strain and other health problems.
  • Better lighting design: Lux meters can be used to design lighting systems that are more effective and efficient, ensuring that employees have the right amount of light to perform their tasks.

What are the most common applications for Lux meters?

A Lux meter, also known as a light meter, is a device commonly used to measure the intensity of light in a variety of settings and applications. Some of the most common applications for Lux meters include:

  • Lighting design: Lux meters are frequently used by lighting designers to measure the intensity of light in a space and ensure that it meets specific requirements for visual comfort, task performance, and energy efficiency.
  • Health and safety: In a workplace setting, Lux meters are used to measure the light levels in areas where workers are present to ensure that they are not exposed to excessively bright or dim lighting conditions, which can cause eye strain, headaches, and other health problems.
  • Agriculture: In agriculture, Lux meters are used to measure the light intensity in greenhouses and other growing environments to ensure that plants receive the optimal amount of light for photosynthesis and growth.
  • Photography: Lux meters are also used by photographers to measure the light intensity in a scene and ensure that their cameras are set up correctly to capture the desired image.
  • Energy efficiency: In buildings and other facilities, Lux meters are used to measure the light intensity in different areas to identify opportunities for energy efficiency improvements, such as replacing traditional light bulbs with energy-efficient LED lights.

How to ensure accurate readings with a Lux meter?

Most common models of light metter follow the following steps. It’s important to read the manufacturer instructions before operating your own equipment. To use a lux meter, follow these steps:

  • Turn on the lux meter and select the appropriate measurement unit (lux or foot-candles).
  • Point the sensor towards the light source you want to measure.
  • Hold the lux meter at the desired measurement distance from the light source. The distance will depend on the light source and the intended application.
  • Read the measurement displayed on the lux meter’s screen.
  • Repeat the measurement at multiple points to get an average reading or to measure different light sources.

It is important to note that lux meters are sensitive to the direction and angle of the light, so it is important to follow the manufacturer’s guidelines for proper use.

What are the guidelines for measuring light levels in the workplace according to OSHA regulations?

OSHA (Occupational Safety and Health Administration) has established specific guidelines for measuring light levels in the workplace to ensure that workers are protected from potential hazards such as eye strain, headaches, and visual fatigue. According to OSHA, the minimum recommended light level in the workplace is 50 lux, which is equivalent to the light level of a typical office. Higher light levels may be necessary for certain tasks, such as those that require detailed visual work. OSHA also recommends that employers regularly assess the lighting in their workplace and make adjustments as necessary to ensure that it meets the needs of workers and reduces the risk of eye strain and other health problems.

How to choose the right Lux meter for my workplace needs?

When choosing the right Lux meter for your workplace needs, there are several key factors to consider in order to ensure that you get the right device for your specific requirements. Some of the most important factors to consider include:

  • Accuracy: Make sure that the Lux meter you choose is accurate and meets industry standards. Look for a device with a high level of accuracy and a low margin of error.
  • Range: Consider the range of the Lux meter. You may need a meter that can measure a wide range of light levels, or you may only need a meter that measures light levels within a specific range.
  • Features: Different Lux meters may have different features, such as data storage, real-time alerts, and reporting capabilities. Consider which features are important to you and ensure that the Lux meter you choose has those features.
  • Price: Consider your budget and compare prices of different Lux meters to find one that fits your budget.
  • Reputation: Look for a well-established brand with a good reputation for quality and customer support.

It is also important to ensure that the Lux meter you choose is compliant with relevant OSHA regulations and guidelines for measuring light levels in the workplace.

What is the difference between a Lux meter and a light meter?

A Lux meter and a light meter are both devices used to measure light intensity, but they differ in their measurement units. A Lux meter measures light intensity in lux, which is a unit of illuminance, or the amount of light that falls on a surface. A light meter, on the other hand, measures light in foot-candles or candelas per square meter.

While Lux meters are commonly used for measuring indoor light levels, light meters are often used for outdoor lighting and in photography. Both types of meters are useful for measuring light levels in different environments and applications, and it is important to choose the right type of meter based on your specific needs.

How to properly calibrate a Lux meter?

Proper calibration of a Lux meter is crucial to ensure accurate and reliable light level readings. To calibrate a Lux meter, you should first check the manufacturer’s instructions and recommendations, as the process may vary depending on the model and brand of the meter. However, a common process includes the following steps:

  • Obtain a calibration standard: You will need a reference light source that is stable and known to emit a specific amount of light. This can be a standard light source or a light source that has been calibrated using a standard light source.
  • Place the meter and the reference light source in the same environment: The temperature and other environmental conditions should be the same for both the meter and the reference light source.
  • Adjust the meter’s settings: Make sure that the meter is set to the correct units (lux or foot-candles) and that it is in the correct mode for your application.
  • Take readings: Point the Lux meter at the reference light source and take several readings. Make sure to follow the manufacturer’s instructions for taking readings, such as holding the meter a specific distance away from the light source.
  • Compare readings: Compare the readings from the Lux meter to the known light output of the reference light source. If the readings are not consistent, adjust the meter’s sensitivity or zero point until the readings match the reference light source.
  • Repeat the process: Repeat the calibration process several times to ensure that the readings are consistent and that the Lux meter is properly calibrated.

It is important to note that Lux meters should be calibrated regularly to ensure accurate readings over time. The frequency of calibration may depend on factors such as usage, storage conditions, and exposure to environmental factors.

When it comes to calibrating your Lux meter, it is important to partner with a reputable and experienced company like Inteccon. With a commitment to providing high-quality calibration services, Inteccon has the expertise and equipment necessary to ensure that your Lux meter is calibrated accurately and efficiently. With a team of experienced technicians who are knowledgeable in the latest calibration techniques, Inteccon can help you maintain the accuracy of your Lux meter and ensure that it is always providing reliable readings. By partnering with Inteccon, you can have peace of mind knowing that your equipment is in good hands and that you are getting the most accurate and reliable results possible.

What are the key features to look for when purchasing a Lux meter?

When purchasing a Lux meter, it is important to consider several key factors to ensure that you get the right device for your needs. Some of the key features to look for include accuracy, measurement range, ease of use, and compatibility with your specific workplace needs. It is also important to consider the type of lighting you need to measure, as well as the size and portability of the device. Additionally, consider the user interface and data logging capabilities, as well as the level of customer support provided by the manufacturer. By taking these factors into consideration, you can ensure that you choose the right Lux meter for your workplace and get the most accurate and reliable readings.

Inteccon is a leading provider of high-quality Lux meters, offering a range of models designed to meet the needs of different workplace environments. Our meters are designed with user-friendly features and accurate readings in mind, making them ideal for measuring light levels in any workplace. We offer a range of options, including portable handheld meters and fixed monitoring systems, ensuring that there is a model that meets your needs. Our meters are designed to be easy to use and calibrate, ensuring that you can get accurate readings quickly and easily. Whether you are looking for a simple lux meter for basic light measurements or a more advanced system for continuous monitoring, Inteccon has the perfect solution for you. With our commitment to quality, reliability and customer service, you can trust us to provide the best possible experience when it comes to purchasing a Lux meter.

Hagner Models

B Hagner AB is a Swedish company founded in 1962 by Bo Hagner, a head of the lighting laboratory at the Royal Institute of Technology in Stockholm. The company specializes in manufacturing and developing photometric instruments, including luxmeters, luminance meters, and tunnel photometers. B Hagner AB aims to provide the market with reasonably priced, hand-held, reliable, and accurate photometric instruments for use both in the field and in the laboratory. The company continuously improves its existing instruments and develops new ones, resulting in its strong market position.


The EC-1 portable luxometer is a compact and versatile tool for measuring lighting levels in different work environments. It features an integrated photocell using a silicon photodiode for accurate and reliable detection of light intensity. With a measuring range of 0.1 to 200,000 lux, this device can accurately measure lighting levels in a wide variety of situations. The luxometer has an accuracy of +/- 3%, ensuring that your readings are precise and dependable. The device is powered by a 9V alkaline battery, making it convenient and easy to use in any setting.


The EC-1X portable luxometer is a versatile and accurate tool for measuring lighting in various work environments. It features a silicon photodiode for detecting light, and a remote probe for taking measurements from a distance. With a measurement range of 0.1-200000 lux, this device provides accurate readings to within +/- 3%. The EC-1X is powered by a 9V alkaline battery, making it a convenient and portable option for lighting measurements.

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