Small-Area Reflectance Measurement VIS3-350-950
Shanghai Jiepu Technology's microscale transmission/reflection measurement system uses a ratio method to determine spectral reflectance. Its integrated imported tungsten-halogen lamp operates continuously for 2000 hours with stability >99.99%. The system provides nondestructive, fast and highly accurate reflectance measurements. A measured spot size of 50um enables transmittance and reflectance testing of small objects. An automatic stage supports planar scanning. Reflectance measurement procedure: 1. Switch off the source and acquire the spectrometer's electronic noise. 2. Switch on the source, set exposure to 100ms, place a white reference and acquire the reference spectrum. 3. Remove the white reference, place the sample and acquire its spectrum. The X axis shows wavelength and the Y axis shows the corresponding reflectance.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Wavelength Range | 350-950nm |
| Applicable Applications | Applications Toward the Visible Region |
| Recommended Light Source | Halogen lamp |
| Wavelength Resolution | 2048 channels, 0.3nm spacing (minimum) |
| Detector | CMOS linear array, 2048 pixels, linearity >99.8% |
| Operating Mode | Single acquisition/continuous acquisition/external triggering |
| Exposure Time | 0.06 ms-65m |
| Optical slit | 25um ( Default ) / 50um / 100um, 200um |
| Illumination Reception | Reflection 90 degrees |
| Spot size | 0.05mm(At 50× Magnification) |
| Measurement Range | Reflectance 0-100% |
| Single Acquisition Time | 0.01 s |
| Wavelength Accuracy | <0.5nm |
| Wavelength Repeatability | 0.1nm |
| Reflectance Accuracy | 0.5% |
| Instrument Repeatability | >99.9% |
| Motion Stage | X 300mm,Y 300mm,Z 200mm |
| Motion Stage Accuracy | X-Y accuracy 1um, repeat positioning accuracy 1um |
| Continuous Operating Time | Can operate continuously for 6 hours |
| Mapping Imaging | Supports hyperspectral mapping imaging |
| Measurement Parameters | Wavelength-dependent reflectance, average reflectance, reflectance spectrum, reflectance versus time, XY,XYZ,LAB,HSV, UVA, UVB, UVC |
| Circuit | Built-in xenon lamp control circuit |
| Connectors and Data | 30PIN connector, including USB (480Mbps)/TTL (3.3v)/RS232/485 |
| Integration Scheme | Transmittance; absorptance; reflectance; irradiance |
| Self-Recovery Device | 7x24-hour, 365-day continuous operation; built-in watchdog |
| Dimensions | 300 mm × 185 mm × 104 mm |
Applications
Key Features
Datasheet
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