Optical Sensors & Detector – UV Photodetectors
GaP Blue Light Photodetector – TOCON_BLUE6
High-Precision Gallium Phosphide Sensor for Blue-Visible Light Monitoring in Optical Testing and Industrial Control
The TOCON_BLUE6 by SGLUX GmbH is a high-sensitivity Gallium Phosphide (GaP) photodetector, purpose-built for blue-visible and near-UV light measurement.
Equipped with an integrated low-noise transimpedance amplifier, it delivers a linear 0–5 V DC output directly proportional to incident light intensity.
Its spectral range of 350 – 480 nm, with a peak response at 465 nm, ensures optimal accuracy for blue-LED testing, fluorescence monitoring, optical power calibration, and process control applications.
Each detector undergoes factory calibration traceable to NIST/PTB, ensuring dependable, repeatable performance across laboratories and industrial environments.
Compact, robust, and ready for plug-and-play integration, the TOCON_BLUE6 guarantees consistent blue-light quantification in demanding conditions, offering both precision and long-term reliability.
Understanding GaP Blue Light Photodetector - TOCON_BLUE6
The TOCON_BLUE6 by SGLUX GmbH is a high-sensitivity Gallium Phosphide (GaP) photodetector, purpose-built for blue-visible and near-UV light measurement.
Equipped with an integrated low-noise transimpedance amplifier, it delivers a linear 0–5 V DC output directly proportional to incident light intensity.
Its spectral range of 350 – 480 nm, with a peak response at 465 nm, ensures optimal accuracy for blue-LED testing, fluorescence monitoring, optical power calibration, and process control applications.
Each detector undergoes factory calibration traceable to NIST/PTB, ensuring dependable, repeatable performance across laboratories and industrial environments.
Compact, robust, and ready for plug-and-play integration, the TOCON_BLUE6 guarantees consistent blue-light quantification in demanding conditions, offering both precision and long-term reliability.
Technical Specifications
| Feature | Specification |
| Function |
Blue-light photodetector with integrated GaP amplifier
|
| Detector Type |
Gallium Phosphide (GaP) photodiode with built-in amplifier
|
| Spectral Range | 350 – 480 nm |
| Peak Wavelength | 465 nm |
| Output Signal |
0 – 5 V DC (linear to irradiance)
|
| Sensitivity |
Optimised for blue and near-UV detection
|
| Accuracy | ± 5 % of reading |
| Response Time | < 1 s |
| Visible / IR Rejection |
Excellent suppression of red and infrared light
|
| Operating Voltage | 5 – 24 V DC |
| Operating Temperature | −20 … +85 °C |
| Housing Material |
Anodised aluminium TOCON enclosure
|
| Optical Window |
UV-grade quartz / optical glass
|
| Connector |
BNC / M8 / custom cable options
|
| Calibration |
Factory-calibrated, traceable to NIST / PTB
|
| Compatibility |
SENSOR MONITOR 5.0 / VOLTCON / SGCD4
|
| Applications |
Blue-LED testing, optical calibration, fluorescence measurement, process monitoring
|
Key Features and Advantages
Enhanced Blue-Region Sensitivity
Designed for precise detection of 350–480 nm wavelengths, the TOCON_BLUE6 is ideal for measuring blue-visible and near-UV radiation with high fidelity and spectral purity.
Inherent Infrared and Red-Light Rejection
The GaP photodiode’s natural IR-blind characteristic prevents cross-sensitivity to longer wavelengths, ensuring accurate readings even in mixed-spectrum environments.
Integrated Low-Noise Signal Conditioning
Its built-in amplifier produces a stable, low-noise 0–5 V DC output, eliminating the need for external electronics and simplifying system integration.
Factory-Traceable Calibration
Every unit is calibrated to NIST/PTB standards, guaranteeing reproducibility and long-term stability across critical optical measurement applications.
Rapid Response and Thermal Stability
With < 1 second response time and minimal temperature drift, the TOCON_BLUE6 maintains consistent performance under varying illumination and environmental conditions.
Compact, Rugged Design
The anodised aluminium housing shields the internal electronics from vibration, dust, and humidity, making it suitable for both laboratory and industrial field deployment.
Seamless Integration
Fully compatible with SGLUX’s SENSOR MONITOR 5.0, VOLTCON, and SGCD4, it offers plug-and-play operation and fast setup for monitoring or automated control.
Together, these features make the TOCON_BLUE6 an indispensable sensor for precision blue-light analysis, LED metrology, and industrial quality assurance.
Applications Across Industries
LED Testing and Optical Evaluation
Ideal for blue-LED intensity measurement during development and manufacturing, the TOCON_BLUE6 ensures accurate performance validation and uniform output control.
Photometric Calibration Standards
Used as a reference detector in the calibration of radiometers and photometers, ensuring traceable blue-light readings for scientific and industrial labs.
Fluorescence and Luminescence Studies
Provides precise detection in fluorescence excitation monitoring, improving repeatability in spectroscopy and material analysis setups.
Process Control and Automation
Incorporated into production lines and inspection systems, it monitors illumination strength in curing, exposure, and inspection applications.
Display and Lighting Analysis
Supports display metrology, lighting design, and colorimetry by quantifying blue-light components essential for visual performance and compliance verification.
Biomedical and Phototherapeutic Systems
Ensures reliable monitoring of blue-light intensity in clinical therapy, dermatological treatment, and laboratory photobiology environments.
Engineered for precision, durability, and stability, the TOCON_BLUE6 offers unmatched reliability for optical laboratories, LED testing, and industrial monitoring scenarios.
Why Choose United Spectrum Instruments?
-
Authorised Indian distributor for SGLUX TOCON photodetectors
-
Experts in UV, blue, and visible-light sensing solutions
-
Calibration traceable to NIST / PTB for guaranteed accuracy
-
Custom integration and application-specific setups available
-
End-to-end technical support, installation, and service across India
-
Proven reliability in research, manufacturing, and field monitoring sectors
FAQs
What wavelength range does it detect?
350 – 480 nm, with peak response at 465 nm.
Is it sensitive to IR or red light?
No – it is inherently IR-blind, ensuring blue-only measurement accuracy.
Does it need an external amplifier?
No – it features an integrated low-noise transimpedance amplifier providing a ready 0–5 V DC output.
Is calibration included?
Yes – all units are factory-calibrated and traceable to NIST/PTB standards.
Where is service support available?
United Spectrum Instruments offers pan-India calibration, installation, and technical support for all SGLUX sensors.
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Have Any Questions ?
FAQs
What wavelength range does it detect?
350 – 480 nm, with peak response at 465 nm.
Is it sensitive to IR or red light?
No – it is inherently IR-blind, ensuring blue-only measurement accuracy.
Does it need an external amplifier?
No – it features an integrated low-noise transimpedance amplifier providing a ready 0–5 V DC output.
Is calibration included?
Yes – all units are factory-calibrated and traceable to NIST/PTB standards.
Where is service support available?
United Spectrum Instruments offers pan-India calibration, installation, and technical support for all SGLUX sensors.


