
Topcon SR-LEDH
Ultra-High Speed Spectroradiometer
NEW PRODUCT ALERT – As of February 2022, the Topcon SR-LEDH has been replaced by the SR-5 Series. Please visit the SR-5 Series Product Page to learn more.
The SR-LEDH Spectroradiometer is designed to meet the demands of production line or QC testing with its fast measurement mode, SDK, and slim body housing. The SR-LEDH is capable of measuring ultra-high luminance displays and LEDs up to 4,500,000 cd/m² in under half a second.
Features
High-speed measurement (0.4 sec)
Measures luminance and color as high as 4,500,000 cd/m2 with high accuracy and speed (0.4sec) via LAN and FIX mode
Designed for Production Line or Equipment
Slim body design, software development kit (KIT), and fast measurements make the SR-LEDH ideal for production line testing
Luminance, spectral distribution, and CCT measurements
Supports Luminance, Spectral Distribution, CIE1931 and CIE1976 chromaticity coordinates, Tristimulus value XYZ, CCT and Deviation, CIE1976 L*a*b*, Eab*± , CIE1976L*u*v* Euv*±
Applications
Luminance, Chromaticity, Color rendering index and Color temperature for LED Backlights, LED illuminators
Luminance and Chromaticity of automotive headlights and interior panels
Luminance and color measurement of various light sources
Specifications
Parameter | Measurement Angle | |
---|---|---|
2° | 1° | |
Optical System | Objective lens: f=82mm F2.5 Collimating lens: View field 5° |
|
Measurement Distance | 350mm – Inf. | |
Luminance Range cd/m2 | 10 ~ 1,500,000 | 30 ~ 4,500,000 |
Spectral Range | 380 ~ 780 nm range @ 1 nm resolution | |
Luminance Accuracy | ±2% (for standard illuminant A) | |
Color Accuracy | ±0.002 in 1931 CIE x,y Space | |
Spot Size at 1m | 32.2 mm | 16.1 mm |
Min. Spot Size at 35cm | 10 mm | 5 mm |
Dimensions | Approx 413mm (L) x 98mm (W) x 232mm (H) |
Ordering Information
The base unit model number is SR-LEDH and includes:
- Instrument with standard lens
- AC adapter
- Lens cap
- CD containing CS-900A software
See the SR-LEDH Brochure for available options. Popular options include:
- AL-6 and AL-11 adapter lenses (for reducing the measurement spot)
- Tripod and fine adjustment stand (gimbal)
- Fiber optic probe
If you can’t find what you are looking for, contact us for info on Topcon options and accessories.