NWSPEC
SR68 NIR Spectrometer vs NIRQuest
SR68 NIR Spectrometer vs NIRQuest
SR68: High-Performance NIR Spectrometer for Demanding Applications
Achieve unparalleled NIR analysis with extended wavelength coverage. The SR68 series of miniature fiber-optic spectrometers is equipped with a two-stage cooled InGaAs detector, delivering high-speed, accurate results in the 900-2500 nm range.
Ideal for demanding industrial online monitoring and precise agricultural analysis, the SR68 combines advanced cooling technology with high sensitivity to provide exceptional performance for near-infrared spectroscopy applications.
Product Highlights
- Extended NIR Coverage: Multiple near-infrared bands available from 900-2500 nm
- Two-Stage Cooling: Advanced thermoelectric cooling for enhanced detector performance
- InGaAs Detector: High-sensitivity detection optimized for NIR wavelengths
- Low Noise: Minimized dark current for improved measurement accuracy
- High Signal-to-Noise Ratio: 3500:1 for precise quantitative analysis
- Low Temperature Drift: Stable performance under varying conditions
- Multiple Pixel Options: 256, 512, and 1024 pixel configurations available
Available Configurations
Applications
Agriculture & Food
- Water Content Analysis: Precise moisture measurement in various materials
- Fruit Detection: Non-destructive quality assessment of fruits
- Crop Detection: Agricultural monitoring and quality control
Industrial & Scientific
- Communication Laser Wavelength Detection: Telecom component characterization
- Online Component Analysis: Real-time process monitoring and control
- Chemical Concentration Online Detection: Quantitative analysis of chemical processes
- Raman Spectroscopy Application: Molecular analysis in NIR region
- Life Science Instruments: Integration into biomedical research equipment
- Scientific Experiments: Versatile platform for research applications
- Environmental Detection: Monitoring of environmental parameters
- Infrared Light Source Detection: Characterization of NIR sources
Key Features
Detector Technology
- Multiple Near-Infrared Bands: Available configurations covering 900-1700 nm, 1430-1750 nm, and 900-2500 nm
- Two-Stage Cooling: Maintains optimal detector temperature for reduced noise
- InGaAs Detector: Specialized for high-sensitivity NIR detection
- Low Noise: Advanced cooling minimizes dark current for superior sensitivity
- Flexible Pixel Options: 256, 512, or 1024 pixels to match application requirements
Performance Characteristics
- High Signal-to-Noise Ratio: 3500:1 ensures accurate measurements even with low signal levels
- Low Temperature Drift: Maintains calibration and accuracy across temperature variations
- High Dynamic Range: 100,000:1 for analysis of samples with wide concentration ranges
- Fast Integration: 0.4 ms - 1000 ms adjustable integration time
Optical Resolution by Model
| Spectrometer Model | Range (nm) | 30 μm | 40 μm | 50 μm | 60 μm | 70 μm | 100 μm | 150 μm | 200 μm |
|---|---|---|---|---|---|---|---|---|---|
| SR68 NIR Spectrometer (256 pixels) | |||||||||
| 900-1700 nm（256pixels) | 6.5 nm | 6.5 nm | 7.0 nm | 8.0 nm | 9.0 nm | 10.0 nm | 11.0 nm | 12.5 nm | 14.0 nm |
| 1430-1700 nm（256pixels) | 3.2 nm | 3.2 nm | 3.5 nm | 4.0 nm | 4.5 nm | 5.0 nm | 5.5 nm | 6.3 nm | 7.0 nm |
| 900-2500 nm | 15.0 nm | 15.0 nm | 16.0 nm | 17.0 nm | 18.0 nm | 19.0 nm | 22.0 nm | 24.5 nm | 27.0 nm |
| SR68 NIR Spectrometer (512 pixels) | |||||||||
| 900-1700 nm | 5.0 nm | 5.0 nm | 5.4 nm | 5.8 nm | 6.0 nm | 6.3 nm | 7.8 nm | 10.5 nm | 13.5 nm |
| 1430-1700 nm | 2.5 nm | 2.5 nm | 2.9 nm | 3.3 nm | 3.7 nm | 3.9 nm | 4.5 nm | 5.7 nm | 7.0 nm |
| SR68 NIR Spectrometer (1024 pixels) | |||||||||
| 900-1700 nm | 2.6 nm | 2.6 nm | 3.1 nm | 3.3 nm | 3.6 nm | 3.8 nm | 4.8 nm | 7.8 nm | 10.3 nm |
Technical Specifications
| Spectral Specifications | |
|---|---|
| Spectral Range | 900 - 2500 nm |
| Spectral Resolution | Maximum 1.25 nm |
| Optical Resolution | Maximum 3.20 nm FWHM |
| Higher-Order Diffraction | Add high-order diffraction filter (optional) |
| Stray Light | < 0.1% |
| Detector Specifications | |
|---|---|
| Detector Model | InGaAs detector (optional configurations) |
| Spectral Detection Range | 900 - 2500 nm (optional) |
| Pixel Options | 256 pixels / 512 pixels / 1024 pixels |
| Pixel Size (256 pixels) | 50 × 250 μm |
| High Sensitivity | 10.5 μV/e⁻ |
| Max Speed | 1 MHz |
| Optical Parameters | |
|---|---|
| Optical Path | F/4, symmetrical crossed Czerny-Turner optical path |
| Focal Length | 100 mm; 110 mm |
| Incident Slit | Standard 200 μm (optional) |
| Optical Fiber | Near-infrared SMA905 0.22 NA |
| Electronic Properties | |
|---|---|
| Signal-to-Noise Ratio | 3500:1 |
| Linearity | > 99% |
| Integration Time | 0.4 ms - 1000 ms |
| Dynamic Range | 100,000 |
| AD Converter | No distortion 16-bit |
| Test Speed | 2.8 ms + integration time |
| Communication Interface | USB 2.0 |
| Expansion Interface | 16-pin external expansion interface with external trigger function |
| Power Consumption | 450 mA @ 5 V DC |
| Cooling Power | 4 A @ 5 V DC |
| Physical Specifications | |
|---|---|
| Supported Systems | Windows, Android, Linux, Wince |
| Dimensions (L × W × H) | 182 × 110 × 50 mm (7.2 × 4.3 × 2.0 inches) |
| Weight | 1500 g (3.31 lb) |
| Mounting | 3-direction standard installation holes |
Regular price
$21,250.00 USD
Regular price
Sale price
$21,250.00 USD
Unit price
per
Shipping calculated at checkout.
Couldn't load pickup availability
GC Accessories
GC graphite/Vespel sealing gasket
Regular price
$1,000.00 USD
Regular price
Sale price
$1,000.00 USD
Unit price
per
GC injection port split septum
Regular price
$1,000.00 USD
Regular price
Sale price
$1,000.00 USD
Unit price
per
Syringe for GC
Regular price
$1,000.00 USD
Regular price
Sale price
$1,000.00 USD
Unit price
per
Capillary-column chromatography
Regular price
$1,000.00 USD
Regular price
Sale price
$1,000.00 USD
Unit price
per
Inlet Septa for Gas Chromatography
Regular price
$10,000.00 USD
Regular price
Sale price
$10,000.00 USD
Unit price
per
Chromatographic column
Regular price
$10,000.00 USD
Regular price
Sale price
$10,000.00 USD
Unit price
per
Frequently Asked Questions
How can I contact you?
Feel free to call us T+86 189-6516-4839
or email sales@nwspec.com to:
• Place an order
• Ask for a quote
• Or if you have any other questions
You will always get a live person here at NWSPEC; never an automated system!
We are open from 6:00AM - 7:00PM Eastern Time, Monday - Friday.
Where can I find application notes?
If you have any questions regarding the application notes, or can't find the one you are looking for, please contact Sales at sales@nwspec.com
Do you have instructional manuals for your instruments to download?
Yes, we have instructional manuals for our instruments. They can be found on https://nwspec.com/pages/resource .
If you don't see the one you are looking for, please contact: sales@nwspec.com