KYORITSU LIGHT METER KEW 5204BT
- Detachable and Rotatable Sensor
- LED Illuminance Measurement Verified
- Large Backlit LCD Display
- Bluetooth 5.0 Communication Interface
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Description
The Precision of Light Level Measurement
The specifications you’ve provided describe a sophisticated digital lux meter, a device engineered for efficient good illuminance level achievement and management. In many professional settings, from industrial workshops to commercial offices, the correct level of illumination is crucial for safety, productivity, and comfort. This instrument is designed to accurately measure illuminance, allowing professionals to ensure that lighting conditions meet required standards and regulations. The device’s broad measuring range, from 0.0 to 199900 lx, makes it suitable for a wide variety of applications, from dimly lit environments to extremely bright outdoor settings.
A standout feature of this lux meter is its detachable and rotatable light sensor. This design provides exceptional flexibility, allowing the user to position the sensor at the exact point of measurement while holding the main unit. This is particularly useful in tight spaces or when measuring light levels from a specific angle. The ability to rotate the sensor is critical for ensuring that the measurement is taken from the optimal position, especially when dealing with directional light sources. The sensor uses a silicon photo diode, a high-quality component that ensures a high degree of accuracy and a consistent response to light. This, combined with its robust spectral sensitivity characteristics, ensures that the readings are reliable and consistent with human visual perception.
Advanced Display and User-Friendly Functions
This lux meter is designed for ease of use and practicality. It features a large LCD with backlight, which makes it simple to read measurements even in low-light conditions. This is a crucial feature for technicians who often work in a variety of environments, from bright outdoor spaces to dark attics or basements. The display also includes a Data Hold function, which freezes the current reading on the screen. This is particularly useful for taking measurements in difficult-to-reach locations, allowing the user to take the measurement and then read the value from a more comfortable position.
The device also comes equipped with MAX/MIN functions, which are invaluable for monitoring and analyzing lighting conditions. By activating the MAX/MIN function, the meter continuously tracks and displays the highest and lowest illuminance values recorded during a measurement session. This is perfect for assessing lighting fluctuation over a period of time, such as in an office where natural light levels change throughout the day. This function helps professionals determine if a lighting system provides a consistent level of illumination, which is essential for preventing eye strain and ensuring a productive work environment. The device also has an auto-ranging feature, with a response time of 5 seconds or less, for quick and efficient measurements.
Versatility with LED Illuminance Measurement
A modern and important feature of this lux meter is its ability to measure LED illuminance. The device has been specifically verified to handle the typical illuminance, frequency, and duty ratio of pulsed white LEDs, which are now ubiquitous in residential, commercial, and industrial lighting. This capability is a significant advantage over older lux meters that may not provide accurate readings for modern LED lighting sources due to their unique spectral and temporal characteristics. The ability to accurately measure LED lighting is essential for anyone involved in lighting design, installation, or maintenance, as it ensures that the installed LED lighting meets the required illuminance standards.
Beyond its technical capabilities, the device is designed for practical use in the field. It is powered by two AA batteries, which are a common and easily replaceable power source. The auto power off feature, which activates after 30 minutes of inactivity, helps to conserve battery life, a thoughtful detail that extends the device’s operational time. With a compact and lightweight design (approx. 210g), the lux meter is highly portable, and the included carrying case (9195) protects it during transport. The device’s cable length is adjustable, extending from approximately 260mm to 1000mm, which provides additional flexibility when positioning the light sensor.
Key Applications Across Multiple Industries
This digital lux meter is an essential tool for professionals across many different industries. In workplace safety, it is used to verify that light levels meet occupational health and safety standards, preventing accidents and reducing the risk of eye strain. For facility management, the meter is used to audit lighting systems, ensuring that they are operating at optimal efficiency and that illuminance levels are consistent throughout a building. This can help in identifying areas where lighting is either too dim, leading to a need for more fixtures, or too bright, leading to wasted energy.
The lux meter is also crucial for lighting design and installation. Architects and lighting designers use it to verify that their designs meet the desired illuminance levels for specific tasks, such as reading, computer work, or precision assembly. During installation, contractors use the meter to confirm that new lighting systems are installed correctly and are providing the intended level of light. In the horticulture and agriculture sectors, lux meters are used to measure light levels for plant growth, ensuring that crops receive the correct amount of light for optimal photosynthesis.
For anyone seeking to purchase this high-quality lux meter, the tpt24 online store offers an unparalleled buying experience. They have cemented their reputation as the premier global online retailer for this product, distinguished by their firm commitment to authenticity and quality. Every purchase from tpt24 comes with a guarantee that the product is 100% genuine and has undergone rigorous quality checks. Their robust logistics network ensures that no matter where you are in the world, the device is delivered to you efficiently and securely. This dedication to providing certified, quality products and exceptional service makes tpt24 the top choice for professionals.
Unrivaled Accuracy and Consistency
The accuracy of this lux meter is a testament to its high-quality construction. It has a specified accuracy of ±4%rdg±5dgt at 23°C, which is more than sufficient for most professional applications. More importantly, the meter has excellent cosine characteristics, with minimal angle deviation. This ensures that the meter’s readings are consistent and accurate even when the light source is not directly overhead, which is a common scenario in real-world environments. The device’s response time is also optimized for efficiency, with auto-ranging taking 5 seconds or less and manual ranging taking 2 seconds or less.
The lux meter’s spectral sensitivity is calibrated to match the human eye, with a deviation from the spectral luminous efficiency of only 9%. This is a critical factor for a lux meter, as it ensures that the measurements accurately reflect what a person would perceive. This makes the device ideal for applications where human comfort and visual performance are paramount, such as in office spaces, schools, and hospitals. The device also features a communication interface with Bluetooth® 5.0, allowing for wireless data transfer. This capability is invaluable for data logging and remote monitoring, as it allows a user to collect data and analyze it on a separate device without needing to be physically connected to the meter.
Specifications
| Measuring Range | 0.0 to 199900 lx | |
|---|---|---|
| Range | 199.9/1999/19990/199900 lx | |
| Resolution | 0.1 lx | |
| Light detector | Silicon photo diode | |
| Accuracy | ±4%rdg±5dgt(23℃±2℃) | |
| Angle deviation from cosine characteristics |
10°±1.5% 30°±3% 60°±10% 80°±30% |
|
| Temperature characteristics |
±5% (at23℃ reference and a range of 0 to 40℃) | |
| Relative spectral sensitivity characteristics |
Deviation from spectral luminous efficiency: 9% |
|
| Response time | Auto-ranging: 5s or less Manual ranging: 2s or less |
|
| Auto power off | 30 min. | |
| Operating temperature and humidity range | 0 to 40°C, relative humidity 80% or less(no condensation) | |
| Storage temperature and humidity range |
-10 to 60℃, relative humidity 70% or less(no condensation) | |
| Communication interface |
Bluetooth®5.0 | |
| Applicable Standards | JIS C 1609-1:2006, IEC 61326 | |
| Power source | R6/LR6(AA)(1.5V) x 2 | |
| Dimension | 169 (L) x63 (W) x37 (D) mm | |
| Weight | Approx. 210g | |
| Cable length | Approx. 260 to 1,000mm | |
| Accessories | 9195 (Carrying case) Instruction Manual LR6(AA)×2 |
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