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Drawell 721G VIS Spectrophotometer
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The Drawell 721G VIS Spectrophotometer is a professional analytical laboratory instrument. Review features and technical specifications, then request configuration, MOQ, lead time, warranty, and a formal quotation.
SKU: DRAWELL-3F989EEB12
Category: UV-VIS Spectrophotometer
Tags: 721G VIS Spectrophotometer, Drawell, laboratory equipment, Spectrophotometer > UV-VIS Spectrophotometer
Brand: Drawell
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| Product Category | Spectrophotometer > UV-VIS Spectrophotometer |
|---|
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Description
Drawell 721G VIS Spectrophotometer
Product overview
The 721G VIS Spectrophotometer is designed for routine absorbance, transmittance and concentration measurements in teaching, research and quality-control laboratories. Its split-beam optical system, 1200 lines/mm diffraction grating and silicon detector provide stable performance for general visible-light quantitative analysis.
The Drawell 721G VIS Spectrophotometer supports research, pharmaceutical, environmental, food, industrial, and quality-control laboratories. Scientific China provides model selection, configuration review, export coordination, and formal quotations.
Key features
- Sample compartment for 5-100mm cuvettes
- Equipped with RS232 port
- Precise automatic T/A changeover
- Automatic zero and full-scale adjustment
- Direct concentration read-out and concentration factor setting function
- Software optional
- High-quality silicon photometric diode detector and 1200 lines/mm diffraction grating ensure high-quality accuracy and precision.
- Backlit LCD display for an easy readout.
- Automatic 0A and 100%T.
- Easy switching of transmittance, absorbance, and concentration modes, just by pressing one key.
- Direct concentration read-out and concentration factor setting function.
- Large sample compartment, for 5 – 100mm path length cuvettes with optional holders.
- Easy to change the halogen lamp or deuterium lamp by the user himself.
- Widely used in teaching laboratories for demonstrating Beer-Lambert Law , calibration curves, and basic qualitative and quantitative analysis of colored solutions.
Applications
- Quantitative or qualitative laboratory analysis
- Research, method development, and routine quality control
- Application-specific testing with suitable accessories and methods
Technical specifications
| Model | 721G |
|---|---|
| Product name | VIS Spectrophotometer |
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 5nm |
| Wavelength Setting | Manual Turn Knob |
| Wavelength Range | 340-1000nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | ≤1nm |
| Stray Light | ≤0.5%T( at 360nm NaNo2 ) |
| Photometric Range | 0.0-100.0% T0.000-1.999 A0.000-1999 C |
| Photometric Accuracy | ±0.5% T±0.004 Abs (0-0.5A)±0.008 Abs (0.5-1A) |
| Photometric Repeatability | ≤0.2% T0.002 Abs (0-0.5A)0.004 Abs (0.5-1A) |
| Noise | 100%（T）noise≤0.3%(T) ， 0%（T）noise≤0.2%(T) |
| Power | AC220V±22V 50Hz±1Hz, 130W |
| Packaging Size | 560mm X 490mm X 285mm 0.08M 3 14kg |
Ordering and configuration
Final specifications, included accessories, consumables, software, certifications, power requirements, installation, warranty, and regulatory availability depend on the selected model and destination. Contact Scientific China to confirm the suitable configuration, minimum order quantity, price, lead time, documentation, and international delivery terms before purchase.
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