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Scanning Visible Spectrophotometer BEQ-3101
- 320-1100 nm Visible Range for colorimetric assays and solution concentration testing.
- Single-beam Holographic Grating Optics with pre-aligned lamps for stable, low-noise readings.
- Low Stray Light & High Stability ensure accurate and repeatable routine analysis.
- USB & RS232 Ports support printer/PC connection and data output.
- Large LCD Operation with automatic wavelength setting, blank adjustment, and curve display.
- Multiple Test Modes: absorbance, transmittance, quantitative analysis; optional software supports spectrum scanning, kinetics, and bio-analysis.
- Up to 3-Year Product Warranty
- US & EU Compliance Standards
- Door-to-Door Shipping
Technical Specifications
Detailed operating and construction parameters for this model.
| Model | BEQ-3101 |
| Wavelength Range | 320-1100nm |
| Spectral Bandwidth | 2.0nm or 4.0nm optional |
| Wavelength Accuracy | ±0.8nm |
| Optical System | Single Beam, Blazed Holographic Grating (1200 lines/mm) |
| Wavelength Repeatability | ≤0.2nm |
| Wavelength Setting | Auto, Resolution 0.1nm |
| Photometric Range | 0-200%T, - 0.3 - 3A, 0-9999C |
| Photometric Accuracy | ±0.002A (0-0.5A), ±0.004A (0.5-1A), ±0.3%T (0-100%T) |
| Photometric Repeatability | ≤0.001A (0-0.5A), ≤0.002A (0.5-1A), ≤0.2%T (0-100%T) |
| Stray Light | ≤0.1%T(220/360nm) |
| Scan Speed | High, Medium, Low. Max.1000nm/minute |
| Baseline Flatness | ±0.003A |
| Stability | ±0.002A/h (500nm,0A) |
| Noise | ≤0.2%T/3min (250/500nm,0%T); ≤0.5%T/3min (250/500nm,100%T) |
| Sample Compartment | Accommodate 5-100mm Pathlength Cuvette |
| Detector | Silicon Photodiode |
| Lamps | Tungsten Lamp & Deuterium Lamp (Pre-aligned) |
| Display | Graphic LCD (128x64 Dots) |
| Keypad | 11-key Membrance Keypad |
| Output Port | USB Port & RS232 Port |
| Printer | Mini Serial Printer; PC Printer |
| PC Software | Optional PC Scanning Software |
| Power Requirements | AC 90-250V,50/60Hz |
| Dimension | 431x318x195mm |
| Net Weight / Gross Weight | 8.2kgs / 12kgs |
Product Features
Key design, performance, usability, and safety advantages.
Applications Explore common laboratory, research, industrial, and process applications.
Education & Teaching Laboratories
Widely used in teaching laboratories for demonstrating Beer-Lambert Law, calibration curves, and basic qualitative and quantitative analysis of colored solutions.
Chemical & Industrial Process Control
Measuring absorbance-based color intensity and tracking reaction kinetics in dyes, coatings, inks, and electroplating solutions for routine industrial quality control.
Pharmaceutical & Biotech Quality Control
Used for quantitative analysis of APIs and finished products with visible absorbance, dissolution testing, and optional basic DNA/protein quantification and reaction kinetics monitoring via PC software.
Water & Environmental Analysis
Used for routine colorimetric determination of ammonia nitrogen, total phosphorus, Cr , nitrite, and volatile phenols in environmental water quality monitoring.
Food & Agricultural Quality Control
For colorimetric detection of nitrite, nitrate, phosphate, peroxide value, and pigments in food and agricultural products for quality control compliance.
Items Included Review the standard components and accessories supplied with this product.
| Name | Quantity |
| 10mm glass cuvette | 4pcs |
| Power line | pcs |
Accessories For Purchase View compatible optional accessories and additional items available separately.
| Name | Quantity |
| Software card | 1pcs |
| Software brochure | 1pcs |
| Software dog | 1pcs |
| USB cable | 1pcs |
| PC scanning software | |
| Deuterium lamp | |
| Tungsten Lamp | |
| Micro cuvette cell holder (one-position) | |
| Manual 4-positions cell holder | |
| Automatic 4/8 positions cell holder |