| PS-100 | PS-200 | PS-300 | |
|---|---|---|---|
| Wavelength Sensitivity | 350 to 1150 nm | 190 to 850 nm | 220 to 1100 nm |
| Irradiance Calibration Range | 350 to 1000 nm | 300 to 850 nm | 300 to 1000 nm |
| Wavelength Resolution | 1 nm | 0.85 nm | 1.5 nm |
| Detector Type | CCD, 2048 pixel | CCD, 2048 pixel | CCD, 2048 pixel |
| Grating Type | Holographic & Ruled, 600 g/nm | Holographic and aberration-corrected, 590 g/nm | Holographic and aberration-correctioned, 590 g/nm |
| Digitizer | 16-bit | 16-bit | 16-bit |
| Signal to Noise Ratio | 1000:1 | 1000:1 | 1000:1 |
| Stray Light | 0.1 % at 435 nm, 0.5 % at 600 nm | 0.02 % at 435 nm, 0.2 % at 200 nm | 0.02 % at 435 nm, 0.2 % at 220 nm |
| Measurement Repeatability | 不到1% | 不到1% | 不到1% |
| Irradiance Calibration Uncertainty | ± 10 % | ± 10 % | ± 10 % |
| Detector Integration (Exposure) Range | 1 ms to 65 s | 1 ms to 65 s | 1 ms to 65 s |
| Directional (Cosine) Response | ± 5 % at 80° zenith angle | ± 5 % at 80° zenith angle | ± 5 % at 80° zenith angle |
| Software | Windows compatible, included | Windows compatible, included | Windows compatible, included |
| Computer Interface | USB 2.0 | USB 2.0 | USB 2.0 |
| Power Requirement | 100 mA at 5 V DC, supplied via USB code | 100 mA at 5 V DC, supplied via USB code | 100 mA at 5 V DC, supplied via USB code |
| Operating Temperature | 0 to 60 C | 0 to 60 C | 0 to 60 C |
| Optical Cable | 2 m armored fiber-optic | 2 m armored fiber-optic | 2 m armored fiber-optic |
| Base Unit Size | 25 mm X 75 mm X 125 mm | 69 mm X 100 mm X 150 mm | 69 mm X 100 mm X 150 mm |
| Mass | 500 g | 900 g | 900 g |
Product Video: Lab Spectroradiometer
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PAR, PPF, PPFD, and PFD Explained
Photobiology Simplified with Dr Bruce Bugbee
Measurement of spectral output (energy flux density, photon flux density, or illuminance) of different radiation sources (often for plant or human lighting), and reflectance and transmittance measurements of natural and synthetic surfaces and materials (often plant leaves and canopies).
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