Optical Sensors & Detector – UV Photodetectors
UVC Photodetector TOCON_C8UVC
High-Accuracy Detector for Germicidal UVC Radiation Measurement in Sterilisation, Lamp Testing, and Industrial Monitoring
The TOCON_C8UVC from SGLUX GmbH is a high-precision photodetector developed for accurate measurement of UVC radiation in disinfection, lamp testing, and UV process-control applications. It combines a solar-blind silicon-carbide (SiC) photodiode with an integrated logarithmic amplifier, delivering a voltage output proportional to irradiance across an extremely wide dynamic range.
With a spectral sensitivity of 220 – 280 nm and a peak response near 254 nm, the detector precisely targets germicidal wavelengths while rejecting all longer-wavelength interference. Its logarithmic output supports both weak and high-intensity UVC fields without saturation.
Encased in a robust anodised-aluminium TOCON housing, the sensor offers excellent thermal stability, low noise, and fast response (< 1 s) for continuous monitoring environments. Factory-calibrated and traceable to NIST / PTB standards, the TOCON_C8UVC ensures long-term reproducibility and confidence in sterilisation, safety verification, and industrial photometric systems.
Understanding UVC Photodetector TOCON_C8UVC
The TOCON_C8UVC utilises a solar-blind SiC photodiode optimised for germicidal UVC detection, combined with a logarithmic amplifier that extends its measurable irradiance range over six orders of magnitude. It responds exclusively to 220–280 nm light, making it ideal for 254 nm mercury-lamp and UVC-LED applications.
The integrated amplifier provides a stable voltage output directly proportional to the logarithm of the incident intensity, eliminating the need for external electronics. Its rapid response, temperature-stable performance, and traceable factory calibration ensure dependable readings for disinfection validation, safety compliance, and industrial UV-control systems.
Technical Specifications
| Feature | Specification |
|---|---|
| Function | UVC photodetector with integrated logarithmic amplifier |
| Detector Type | Silicon-carbide (SiC) photodiode with UVC optical filter |
| Spectral Range | 220 – 280 nm (UVC) |
| Peak Wavelength | 254 nm |
| Output Signal | Logarithmic voltage output proportional to irradiance |
| Dynamic Range | > 6 decades |
| Response Time | < 1 s |
| Spectral Selectivity | Excellent rejection of UVB, UVA, and visible light |
| Operating Voltage | 5 – 24 V DC |
| Operating Temperature | −20 … +85 °C |
| Housing Material | Anodised aluminium TOCON enclosure |
| Optical Window | UV-grade fused silica |
| Connector | BNC / M8 / custom cable output |
| Calibration | Factory-calibrated, traceable to NIST / PTB |
| Compatibility | SENSOR MONITOR 5.0 / VOLTCON / SGCD4 systems |
| Applications | UVC disinfection, lamp testing, sterilisation monitoring, leak detection, process control |
Key Features and Advantages
Precision UVC Sensitivity
The TOCON_C8UVC detects germicidal wavelengths between 220 nm and 280 nm, providing accurate readings around 254 nm—the most effective range for air, surface, and water sterilisation systems.
Logarithmic Output for Wide Intensity Range
A built-in logarithmic amplifier enables detection from very low to extremely high UVC intensities without saturation, delivering stable voltage output for data-acquisition and feedback systems.
Spectral Purity and IR Rejection
The detector’s UVC-bandpass filter ensures complete blindness to UVB, UVA, and visible light, preventing any cross-spectral interference.
Fast Response and Thermal Stability
The SiC photodiode exhibits high resistance to temperature fluctuations and maintains response times below one second, ensuring precise, real-time irradiance monitoring even in variable thermal conditions.
Factory Calibration and Traceability
Each sensor is individually calibrated at SGLUX and traceable to NIST / PTB, ensuring international accuracy standards for critical disinfection and safety validation.
Compact, Rugged Design
Its anodised-aluminium enclosure with UV-grade fused-silica window offers durability in industrial, lab, and field applications, supporting both stationary and portable systems.
System Integration
The TOCON_C8UVC interfaces directly with SENSOR MONITOR 5.0, VOLTCON, and SGCD4 instruments, allowing easy integration into automated UVC-control and data-logging environments.
With its traceable accuracy, high spectral selectivity, and robust design, the TOCON_C8UVC stands as a benchmark detector for UVC measurement and system validation.
Applications Across Industries
Disinfection and Sterilisation Monitoring
Ideal for air, water, and surface-sterilisation systems, the TOCON_C8UVC continuously monitors germicidal lamp output to verify UVC dosage and ensure effective pathogen elimination.
Lamp and LED Characterisation
Used by manufacturers for UVC-LED and mercury-lamp testing, it enables precise measurement of radiant intensity and emission stability in R&D and production.
Environmental and Safety Compliance
Detects UVC leakage from disinfection chambers and biosafety equipment, supporting occupational-safety verification and ISO-compliant exposure monitoring.
Industrial Process Control
In UV-curing and photochemical applications, it ensures consistent irradiance for process repeatability and product quality assurance.
Scientific and Calibration Laboratories
Favoured for radiometric calibration, UVC-source characterisation, and spectral verification due to its stability, spectral selectivity, and NIST-traceable accuracy.
OEM and Automation Integration
Compact and maintenance-free, the TOCON_C8UVC easily embeds into automated UV-monitoring systems, providing real-time intensity feedback in sterilisation and manufacturing equipment.
From healthcare disinfection to industrial automation, the TOCON_C8UVC delivers traceable precision, spectral integrity, and reliable UVC detection for every application demanding high-fidelity germicidal measurement.
Why Choose United Spectrum Instruments?
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Exclusive distributor of SGLUX TOCON_C8UVC in India
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Proven expertise in UV and radiometric measurement systems
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Local calibration traceable to NIST / PTB standards
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Affordable turnkey solutions for industrial, OEM, and R&D clients
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Nationwide service for integration, calibration, and technical support
United Spectrum ensures end-to-end reliability—from procurement to field validation—making it the trusted partner for UVC intensity monitoring and sterilisation control in India.
FAQs
What wavelength range does it detect?
The TOCON_C8UVC measures 220–280 nm, with peak sensitivity near 254 nm.
Does it respond to visible or UV-A/B light?
No – it is completely blind to non-UVC radiation, ensuring accurate germicidal readings.
Does it need an external amplifier?
No – it features a built-in logarithmic amplifier for direct voltage output.
Is calibration included?
Yes – each unit is factory-calibrated and traceable to NIST / PTB standards.
Typical applications?
Disinfection control, lamp testing, safety monitoring, UV-curing, and scientific calibration.
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FAQs
What wavelength range does it detect?
The TOCON_C8UVC measures 220–280 nm, with peak sensitivity near 254 nm.
Does it respond to visible or UV-A/B light?
No – it is completely blind to non-UVC radiation, ensuring accurate germicidal readings.
Does it need an external amplifier?
No – it features a built-in logarithmic amplifier for direct voltage output.
Is calibration included?
Yes – each unit is factory-calibrated and traceable to NIST / PTB standards.
Typical applications?
Disinfection control, lamp testing, safety monitoring, UV-curing, and scientific calibration.
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