Description
The Unico S-1205 Productivity Series Spectrophotometer is a digitally advanced, programmable single beam system designed for routine absorbance testing in environmental, water, and petroleum laboratories. With a 5 nm spectral bandwidth and wavelength range of 325–1000 nm, this model offers internal memory for storing up to 200 standard curves and 500 data results. It supports manual wavelength setting via a digital keypad and features a spacious sample compartment for cuvettes up to 50 mm path length.
- 325–1000 nm Wavelength Range – Suitable for visible and near-infrared absorbance tests.
- 5 nm Spectral Bandwidth – Offers reliable accuracy for general-purpose analysis.
- Integrated Curve & Data Memory – Stores 200 calibration curves and 500 test results.
- Digital Interface with Auto System Check – Ensures stability and ease of use.
- Upgradeable to Scanning Mode – Compatible with optional Windows-based software.
Cost-Effective Programmable Spectrophotometry for Industrial and Environmental Testing
The Unico S-1205 builds on the foundation of its analog predecessor, the S-1200, by introducing fully digital programmability and data storage. Its large, flexible sample compartment accommodates cuvettes from 10 mm up to 50 mm in path length, making it ideal for a wide range of sample types. Whether for compliance testing or educational use, this unit provides excellent value with reliable results.
Features and Benefits
Versatile Analytical Capability
- 325–1000 nm Range: Supports visible and NIR spectrum testing.
- 5 nm Bandwidth: Suitable for turbidity, colorimetry, and standard chemical testing.
- 1200 Lines/mm Grating: High-quality optical resolution with durable design.
Digital Functionality with Programmable Features
- Digital Keypad Wavelength Control: Accurate and fast wavelength adjustments.
- Integrated Memory: Stores up to 200 calibration curves and 500 results internally.
- Auto System Check: Ensures correct initialization and wavelength calibration at startup.
Flexible Sample Handling
- 4-Position Sample Holder: Holds standard 10 mm square cuvettes.
- Expanded Compartment: Accommodates cuvettes up to 50 mm – ideal for environmental and industrial samples.
- Optional Accessories: Compatible with multiple holders and software for specialized testing.
Included Accessories
- 2 Glass Cuvettes (10 mm): For visible-range testing.
- Dust Cover & User Manual: Simplifies setup and preserves instrument condition.
Product Specifications
Optical and Measurement System
- Wavelength Range: 325–1000 nm – Supports visible and near-infrared testing
- Spectral Bandwidth: 5 nm – Fixed configuration
- Monochromator: Single beam with 1200 lines/mm grating
- Wavelength Accuracy: ±2 nm – Ensures reproducible readings
- Photometric Range: 0–125% T, –0.3 to 2.5 A – Suitable for most absorbance tests
- Photometric Accuracy: ±0.005 A at 1.0 A
Detection and Illumination
- Detector: Silicon photodiode – Durable and stable across range
- Light Source: Tungsten halogen lamp – Optimized for visible applications
Interface and Operation
- User Interface: Digital keypad – Enables direct wavelength selection
- Display Type: LCD – Displays results and operating status
- Memory: Stores 200 curves and 500 data sets
- Connectivity: USB port – Optional PC software upgrade available
Sample Handling
- Sample Holder: Holds up to 4 standard 10 mm square cuvettes
- Sample Compartment: Supports cuvettes up to 50 mm with optional holders
- Included Cuvettes: 2 × 10 mm glass cuvettes
Physical Specifications
- Instrument Size: 16 × 12 × 8 in | 406 × 305 × 203 mm
- Shipping Dimensions: 19.5 × 16.1 × 11.3 in | 496 × 410 × 286 mm
- Net Weight: 18 lbs (8.2 kg)
- Shipping Weight: 21 lbs (9.5 kg)
- Voltage: Preset at 110V
Why Choose the Unico S-1205 Over Other Single Beam Models?
The Unico S-1205 combines the simplicity of single beam UV-Vis measurement with digital programmability and upgrade potential. Its memory capacity, keypad control, and accessory support make it a standout for laboratories looking for a scalable, cost-effective solution.
- Fully programmable with internal memory for methods and results
- Wide sample compartment fits up to 50 mm cuvettes
- Upgradeable to scanning mode via software
- Compact design with large capacity
- Ideal for environmental, industrial, and educational testing
Manuals and Troubleshooting Guides
Unico S-1205 UV-Vis Spectrophotometer – User's Guide
Unico S-1205 UV-Vis Spectrophotometer – Catalog
Frequently Asked Questions (FAQs)
What wavelength range does the Unico S-1205 cover?
The Unico S-1205 covers a range of 325–1000 nm for visible and NIR measurements.
Can this model store calibration data internally?
Yes, it stores up to 200 standard curves and 500 data results in internal memory.
Is the sample compartment compatible with 50 mm cuvettes?
Yes, the Unico S-1205 supports cuvettes up to 50 mm path length with optional holders.
Can I upgrade this unit to scanning mode?
Yes, optional Windows-based software enables full scanning functionality.
Is the Unico S-1205 suitable for environmental or water testing?
Absolutely. It is designed with environmental and petroleum testing in mind, with large sample flexibility.
