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| Brand | Ocean Optics |
|---|---|
| Model | Maya2000Pro |
| Detector Options | Hamamatsu S10420 (UV-Vis), S11510 (Vis-NIR) |
| Spectral Range | 165–1100 nm (S10420), 400–1180 nm (S11510), or 780–1180 nm (Maya2000Pro-NIR preset) |
| Optical Resolution (FWHM) | Configurable via grating and slit selection |
| Peak Quantum Efficiency | 75% @ 600 nm (S10420), 85% @ 700 nm (S11510) |
| SNR (full signal) | ~450:1 |
| Dynamic Range | 15,000:1 (typical) |
| Integration Time | 7.2 ms – 5 s |
| Interface | USB 2.0 & RS-232 |
| Operating Temperature | 0–50 °C |
| Dimensions | 182 × 110 × 47 mm |
| Weight | 1.18 kg |
| Fiber Connector | SMA 905 (NA 0.22) |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Model | InfraCal Series |
| Instrument Type | Portable |
| Wavenumber Range | 3400 nm (2941 cm⁻¹) |
| Spectral Resolution | 2 nm |
| Scan Time | 10 minutes per analysis |
| Signal-to-Noise Ratio | 1000:1 |
| Detection Range | 0.1–5000 ppm (hydrocarbons) |
| Compliance | ASTM D7066, EPA Method 1664, EPA 413.2, EPA 418.1, ISO 9377-2 |
| Brand | Wilks |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | InfraSpec VFA-IR |
| Price | Upon Request |
| Power Supply | 12 V DC, 2.0 A |
| Weight | 1.5 kg |
| Dimensions | 152 × 165 × 70 mm³ |
| Operating Temperature Range | 5–40 °C |
| Relative Humidity Range | 0–98 % RH |
| Detector Array | 128-pixel linear pyroelectric array |
| Array Responsivity | 5.4–105 V/W |
| Spectral Range | 5.4–10.8 µm |
| Spectral Resolution | 25 cm⁻¹ |
| Ethanol Measurement Range (in gasoline) | 0–98 % v/v |
| Biodiesel Measurement Range (in diesel) | 0–100 % v/v |
| Analysis Time | < 60 s |
| Repeatability | ±0.2 % (0–20 % concentration), ±1 % of concentration (20–100 %) |
| Communication Interfaces | RS-232 and USB |
| ATR Crystal Material | Zinc Selenide (ZnSe) |
| ATR Surface Area | 50 mm × 16 mm |
| Part Numbers | 405-2017-1013 (Model E), 405-2026-1013 (Model ES), 405-2017-1020 (Model EB) |
| Brand | ScanSci |
|---|---|
| Wavelength Range | UV (200–600 nm), UV-VIS (250–800 nm), VIS (400–850 nm), VIS-NIR (500–1000 nm) |
| Grating Blaze Wavelength | 300 nm / 400 nm / 500 nm / 750 nm |
| Optical Resolution (FWHM) | <2.5 nm (with 50 µm slit) |
| Integration Time | 1 ms – 30 s |
| Detector Type | CCD |
| Warranty | 2 years (non-human-induced failure) |
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