Optical Sensors & Detector – UV Photodetectors
Visible Photodetector TOCON_SI7VIS
TOCON_SI7VIS – High-Precision Visible Photodetector for Radiometric, Photometric and Industrial Light Measurement Applications
The TOCON_SI7VIS from SGLUX GmbH is a factory-calibrated visible-light photodetector engineered for accurate radiometric and photometric measurements across the visible spectrum.
It integrates a low-noise silicon photodiode and a precision transimpedance amplifier within a compact TOCON housing, providing a direct 0–5 V analog output proportional to light intensity.
Designed for 400–700 nm detection, the TOCON_SI7VIS offers excellent linearity, spectral accuracy, and temperature stability, making it ideal for lamp calibration, illumination monitoring, and LED performance validation.
Factory-calibrated and traceable to NIST / PTB standards, it delivers reproducible results suitable for industrial, laboratory, and environmental applications.
With its rugged anodised aluminium construction, fast response, and maintenance-free operation, the TOCON_SI7VIS sets a benchmark in visible-light sensing for scientific measurement and industrial light control systems.
Understanding Visible Photodetector TOCON_SI7VIS
The TOCON_SI7VIS is a precision visible-light detector that measures irradiance across 400–700 nm, covering the complete human-visible spectrum.
It integrates a silicon photodiode and transimpedance amplifier in one compact TOCON module, ensuring stable voltage output without external circuitry.
The sensor’s high linearity and traceable calibration allow accurate measurement of light from LEDs, lamps, and solar sources.
Built for durability and precision, it is widely used in lamp calibration, optical testing, display evaluation, and industrial lighting systems.
Its plug-and-play design simplifies integration into monitoring, automation, and scientific measurement setups.
Technical Specifications
| Feature | Specification |
|---|---|
| Function | Visible-light photodetector with integrated amplifier |
| Detector Type | Silicon photodiode with internal transimpedance amplifier |
| Spectral Range | 400 – 700 nm (visible spectrum) |
| Peak Wavelength | ~550 nm |
| Output Signal | 0 – 5 V DC (linear with irradiance) |
| Sensitivity | Model dependent (see calibration data) |
| Accuracy | ±5 % of reading |
| Response Time | < 1 s |
| Saturation Irradiance | Approx. 50 mW/cm² |
| Operating Voltage | 5 – 24 V DC |
| Operating Temperature | −20 … +85 °C |
| Housing Material | Anodised aluminium, TOCON standard enclosure |
| Optical Window | Optical glass / borosilicate lens |
| Connector | BNC / M8 / custom cable output |
| Calibration | Factory-calibrated, traceable to NIST / PTB |
| Compatibility | SENSOR MONITOR 5.0 / VOLTCON / SGCD4 systems |
| Applications | Visible-light measurement, photometry, LED testing, lamp calibration, illumination control, and optical validation |
Key Features and Advantages
Broad Visible Spectrum Sensitivity
The TOCON_SI7VIS accurately measures light within 400–700 nm, covering the full human-visible spectrum for photometric and radiometric tasks.
Integrated Amplifier for Direct Output
Combines a silicon photodiode and low-noise amplifier, providing a clean, linear 0–5 V DC output, eliminating the need for external electronics.
Precision and Traceable Calibration
Each sensor is factory-calibrated to NIST / PTB standards, ensuring reproducible accuracy across industrial and scientific measurements.
High Signal Stability and Linearity
Maintains consistent output even under varying illumination, temperature, and humidity conditions.
Compact, Rugged, and Maintenance-Free
Encased in anodised aluminium housing, it withstands continuous operation in laboratory and industrial environments.
Fast Response and Energy Efficiency
With <1 s response and low power consumption, it’s suitable for real-time illumination control and mobile measurement systems.
Versatile Integration
Compatible with SGLUX SENSOR MONITOR 5.0, VOLTCON, or SGCD4 controllers, enabling easy system connectivity and data logging.
Wide Application Scope
Ideal for lamp calibration, LED output verification, optical testing, and display evaluation where precision visible-light sensing is required.
The TOCON_SI7VIS provides accurate, stable, and traceable visible-light irradiance data, making it essential for optical measurement, photometry, and process illumination control.
Applications Across Industries
Lighting and Illumination Control
Monitors visible-light levels for consistent illumination in industrial, laboratory, and automation systems.
LED and Lamp Calibration
Used to characterise light-source performance, ensuring accurate optical power and luminance measurement.
Optical and Display Testing
Validates brightness and colour output for displays, sensors, and optical devices.
Environmental and Solar Studies
Measures visible radiation in daylight analysis, climate research, and photobiology experiments.
Machine Vision and Inspection Systems
Ensures consistent lighting intensity for quality-control and automated inspection setups.
Scientific and Laboratory Research
Serves as a traceable reference detector in optical laboratories and calibration facilities.
With its traceable calibration, fast output, and robust design, the TOCON_SI7VIS offers unmatched reliability and precision for industrial and research-grade visible-light monitoring applications.
Why Choose United Spectrum Instruments?
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Official distributor of SGLUX TOCON_SI7VIS in India
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Expertise in visible-light measurement, photometric calibration, and optical testing
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Local calibration traceable to NIST / PTB standards
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Competitive pricing for OEMs, labs, and industrial users
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Comprehensive technical assistance, integration, and after-sales service
FAQs
What does the TOCON_SI7VIS measure?
It measures visible-light irradiance (400–700 nm) for photometric and radiometric applications.
Is it factory-calibrated?
Yes – it’s calibrated and traceable to NIST / PTB standards for guaranteed accuracy.
Does it require external amplification?
No – it includes an integrated transimpedance amplifier for direct 0–5 V output.
Can it measure LED or solar light?
Yes – it supports all visible light sources, including LEDs, lamps, and natural light.
How does United Spectrum support Indian customers?
By offering integration, calibration, and nationwide service for optical and illumination measurement systems.
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Have Any Questions ?
FAQs
What does the TOCON_SI7VIS measure?
It measures visible-light irradiance (400–700 nm) for photometric and radiometric applications.
Is it factory-calibrated?
Yes – it’s calibrated and traceable to NIST / PTB standards for guaranteed accuracy.
Does it require external amplification?
No – it includes an integrated transimpedance amplifier for direct 0–5 V output.
Can it measure LED or solar light?
Yes – it supports all visible light sources, including LEDs, lamps, and natural light.
How does United Spectrum support Indian customers?
By offering integration, calibration, and nationwide service for optical and illumination measurement systems.
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