NIR
DragonFly NIR Spectrometer
Programmable NIR based on Texas Instruments' DLP technology
900–2280 nm10 nm resolutionSNR to 70000.08 nm/°CTEC option4variants
Used in Pharmaceutical, Industrial & materials
Models and specifications
Values are taken from the DragonFly NIR Spectrometer datasheet. For a specification not listed here, ask an applications engineer.
| Model | Detector | Range (nm) | Resolution (nm) | SNR | Stray light (%) | Dark noise | Cooling |
|---|---|---|---|---|---|---|---|
| DF1514 1 | InGaAs PIN photodiode, Ø1 mm (Hamamatsu G12180 series) | 900–1700 | 10 | 7000 | 0.2 | 15 | None |
| DF1914 2 | InGaAs PIN photodiode, Ø1 mm (Hamamatsu G12180 series) | 1250–2050 | 11 | 7000 | 0.2 | 15 | TEC, sensor held near −20 °C |
| DF1924 3 | InGaAs PIN photodiode, Ø1 mm (Hamamatsu G12180 series) | 1340–2280 | 13 | 7000 | 0.2 | 15 | TEC, sensor held near −20 °C |
| DF1934 4 | — | — | — | — | — | — | TEC, sensor held near −20 °C |
- DF1514: Dimensions 71.5 × 57 × 25 mm; weight 77 g. 24-bit A/D. Slit width 25 µm. Minimum exposure time 0.635 ms.
- DF1914: Dimensions 76.7 × 59.9 × 40 mm; weight 120 g. 24-bit A/D.
- DF1924: Dimensions 76.7 × 59.9 × 40 mm; weight 120 g. 24-bit A/D.
- DF1934: Dimensions 76.7 × 60 × 40 mm.
A dash means the value is not specified for that model. An applications engineer can help with any specification not listed.
Common to every model
- A/D converter
- 24-bit
- Interface
- Micro USB 2.0 and UART (GPIO)
- Connector
- SMA905 (Ø 3.18 ± 0.005 mm ferrule, fiber input)
- Thermal stability (nm/°C)
- < 0.08 nm/°C
- Operating temperature (°C)
- 0 – 40 °C
- Storage temperature (°C)
- −30 to 70 °C
- Humidity
- 0–85% RH
- Power
- 5 V DC, 300 mA typical; 500 mA maximum with TEC cooling
- Slits
- 25 µm (fixed)
- DMD resolution
- 854 × 480 micro-mirrors (Texas Instruments DLP design)
- Wavelength accuracy
- ±1 nm
- Minimum exposure time
- 0.635 ms
- Hadamard scan mode
- Hadamard scan mode improves SNR by up to 2–7× over standard column scanning
Next step
Discuss the DragonFly NIR Spectrometer with an engineer
Send the sample type, the wavelength range and the accuracy required. An Evolve Sensing engineer will confirm the configuration, or recommend a different instrument where one suits the measurement better.