N4/N4S UV-VIS Spectrophotometer
The N4 Series UV-VIS Spectrophotometer combines an ARM-processed core with fast testing and advanced functions. It supports wavelength scanning and a built-in thermal printer for spectral analysis and direct result printing. Designed for routine quantitative analysis in the visible and UV-Visible range, it is suitable for pharmaceutical, clinical, biochemical, petrochemical, environmental, quality control, and academic laboratories.
- 190–1100 nm
- 2 nm Bandwidth
- ±1 nm WL Accuracy
- ≤0.1%T Stray Light
- Automatic Wavelength Setting
Features of N4/N4S UV-VIS Spectrophotometer
- Automatic wavelength settings
- 7-inch multi-color touch-screen
- Sample compartment for 5-100mm cuvettes
- Equipped with USB port
- Precise automatic T/A changeover
- Automatic zero and full-scale adjustment
- Software optional
- Built-in thermal printer (N4S only)
- Wavelength scanning (4S only), kinetic scanning, linear regression, direct concentration readout and peak detection.
- Power-off data protection
- Tungsten and deuterium lamp lifetime protection
Applications of N4/N4S UV-VIS Spectrophotometer
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, Cr⁶⁺, 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.
FAQ
Specifications of N4/N4S UV-VIS Spectrophotometer
| Model | N4/N4s |
| Product name | UV-VIS Spectrophotometer |
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 2nm |
| Wavelength Setting | 7-inch color touch-screen |
| Wavelength Range | 190-1100nm |
| Wavelength Accuracy | ±1nm |
| Wavelength Repeatability | ≤0.5nm |
| Stray Light | ≤0.1%T( at 220nm NaI, 360nm NaNo2 ) |
| Photometric Range | 0.0-200.0% T-0.301-4.000 A0.000-9999 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≤0.2%(T) ， 0%（T）noise≤0.1%(T) |
| Power | AC220V±22V 50Hz±1Hz, 180W |
| Packaging Size | 630mm X 535mm X 405mm 0.14M3 21kg |
Accessories of N4/N4S UV-VIS Spectrophotometer
Standard Accessories
- Operation manual 1pc
- Thermal Plotter 1pc (N4S only)
- Glass cuvette 10mm 4pcs
- Quartz cuvette 10mm 2pcs
- Power cable 1pc
- Fuse 2pcs
- Cuvette holder 10mm
Optional Accessories
- UV WIN8 station pro software
- Cuvette holder 50mm 100mm
- Cuvette 20mm 30mm 50mm 100mm
Why Choose Us?
“Multiple suppliers” have always been an issue in the procurement process. Drawell as a one-stop laboratory equipment and scientific instruments supplier, can perfectly solve this problem. In addition to manufacturing our own equipment, we also represent other laboratory equipment. Our product lines are rich and diverse at competitive prices. Provide one-stop service to customers.
User Training – Training by Drawell skilled engineers about installation, debug tests, technical services, etc. It can happen in our factory in China, or at the site in the customers’ country. Cost depends on where and when the training happens.
To discuss the problem and get it resolved, online chats, real-time video calls, and remote guidance. For the after-sales stage, our online technical guidance is free and ready forever.
1 year free official warranty, including repairing quality-damaged parts, and offering replacements of selected parts (shipping cost is extra). 5% of the product price is charged for extending the warranty before the end of the official warranty.
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