Model :752N~721~722N
The AELAB 752N Plus/721N/722N UV-VIS Spectrophotometer features high wavelength accuracy, low stray light, and a 7-inch touch screen for easy operation. It supports advanced concentration testing methods, stores 30 concentration curves, and offers high accuracy with automatic adjustments. The system also includes automatic light gate technology for sensor protection.

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The AELAB Single Beam UV-VIS Spectrophotometer 752N Plus/721N/722N features a holographic blazed grating monochromator for high wavelength accuracy, excellent monochromaticity, and low stray light. Equipped with a 7-inch multi-color touch screen, it offers an intuitive user interface. The system supports advanced concentration testing methods, including linear regression and coefficient methods, and features a USB interface for easy data transfer. With a microcomputer measurement system, it ensures high accuracy and stability, automatic adjustments of 0% T and 100% T, and the ability to store up to 30 concentration curves. The spectrophotometer also incorporates automatic light gate technology to protect the photoelectric sensor, ensuring reliable performance.
Features:
| Model | 752N Plus (UV Visible) | 721N (Visible) | 722N (Visible) | |
| Photometry | Single beam | |||
| Monochromator type | Czerny-Turner | |||
| Focal length | 160mm | |||
| Grating | 1200 lines/mm | |||
| Detector | Silicon Photocell | |||
| Wavelength setting | Manual Turn Knob | |||
| Wavelength Range | 200-1000nm | 340-1000nm | 325-1000nm | |
| Wavelength Accuracy | ± 2nm | |||
| Wavelength Repeatability | ≤ 1nm | |||
| Spectrum Bandwidth | 2nm | 2nm | 2nm | |
| Stray Light | ≤ 0.1% ( at 220 nm Nal, 360 nm NaNO₂ ) | ≤ 0.1% ( at 360 nm NaNO₂) | ||
| Photometric Range | 0.0 ~ 100.0% T / 0 ~ 1.999A / 0 ~ 1999C | |||
| Photometric Accuracy | ± 0.5% T | |||
| Photometric Repeatability | ≤ 0.2% T | |||
| Noise | 100%(T) noise ≤ 0.3% (T), 0% (T) noise ≤ 0.2% (T) | |||
| Drift | ± 0.5% T/3min | |||
| Cuvette holder size | 10mm | |||
| Power | AC220v±22v, 50Hz± 1Hz, 120W | AC85-242Vv, 40W | AC220v±22v,50Hz± 1Hz, 80W | |
| Packing size | 640*480*340mm, 0.078CBM | 580*460*340mm, 0.1CBM | ||
| Gloss weight | 30kg | 14kg | ||
| Standard accessory | Instrument 1pc ; Power cable 1pc ; Fuse 2pcs; manual 1pc;
1cm glass cuvette 4pcs ( 721N only); 1cm quartz cuvette 2pcs (752N plus only ) PC Software |
Instrument 1pc;
1cm glass cuvette 4pcs ; Power cable 1pc ; Fuse 2pcs; manual 1pc, PC Software |
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| Optional accessory | Thermal printer ; 50mm, cuvette holder ; | |||

