Unico S1205 Visible Spectrophotometer

Unico S1205 Visible Spectrophotometer
Unico S1205 Visible Spectrophotometer - Cuvette Holder
Unico S1205 Visible Spectrophotometer
Unico S1205 Visible Spectrophotometer - Cuvette Holder
Key Features
  • SKU: UCO-S-1205
  • Condition:
    Condition: Factory New
  • Warranty:
    Warranty: 1 Year
  • Weight: 19.0 lb

  • Learn more:

Contact The Manufacturer
  • MFR: Unico
    Ships from Manufacturer
  • MPN: S-1205
  • Phone: (732) 274-1155
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Description

The Unico S1205 Visible Spectrophotometer comes complete with a 4-Position Cell Holder, USB Port, RS-232 Port, and dust cover.

Warranty: 1 Year.

The S1205 Visible Spectrophotometer (CE Approved) has a new, advanced design, expanding on the capabilities of its analog cousin, the S1200. The S1205 is an all digital, fully programmable spectrophotometer with high accuracy and push button, digital key pad wavelength change. This versatile instrument features a wide sample compartment and can accept cuvettes up to 50 mm path-length, as well as a variety of accessories. The wide path length and optional accessories make this unit ideal for water testing, environmental and petroleum industry testing, etc.

The S1205 has a high quality silicon photodiode detector and 1200 Lines/mm grating assures high performance. An easy to read 4-line digital display and built-in filters make your tests a snap. It features quick and easy automatic blanking with the push of a button.

The S1205 features optional Windows based application software for easy data collection and application expansion ranging from wavelength scanning to standard curve, Kinetcs, Abs. and %T. Data can be easily exported to Microsoft Excel for further processing, analysis, and storage.

Unico S1205 Visible Spectrophotometer Features:

  • Self-Calibration: Instrument can perform an automated system check and calibration, covering: bulb, filter positioning, and wavelength check.
  • Utility Folder: From the list, the user can select Recalibrate System, Check Dark Current for diagnostic purposes, re-set time, and more.
  • Programmability:
    • Can pre-program up to 200 test methods, and store 500 results.
    • Program Test and Workflow Management: Can create lists from the "RUN TEST LIST Menu", of favorite tests, or most commonly used tests, or for a specific sequence of tests you plan to run, etc.
  • Large, programmable LCD display (4 lines x 20 characters).
  • USB port for data transfer and software upgrades (upgrades are no charge).
  • Memorize the settings of last test, wavelength, settings, filter, etc.
  • The S-1205 Windows based software has a scanning feature of the full wavelength range. User can define the scanning range, starting and ending wavelength, or do a full visible wavelength range scan from 325 - 1000 nm. Automatically record peaks and valleys, as well as re-scale axes, curves.

Unico S1205 Visible Spectrophotometer Specifications:

  • Bandpass (Slit Width): 5 nm.
  • Monochromator: Single Beam, Grating System (1200 Lines/mm).
  • Wavelength Range: 325 - 1000 nm Visible.
  • Wavelength Accuracy: ± 2 nm.
  • Wavelength Repeatability: ± 1 nm.
  • Wavelength Resolution (Display): 1 nm.
  • Stray Light Stability: ± 0.002 A/hr at 500 nm after 1 hr warm-up.
  • Baseline Flatness: ± 0.010 A with software.
  • Photometric Range: 0 to 125 %T / -0.3 to 2.5 A / -9999 to 9999 C.
  • Photometric Accuracy: ± 0.004 A at 0.5 A.
  • Data Output: RS232C.
  • Light Source: Tungsten Halogen Lamp.
  • Control Buttons: 9 Buttons.
  • Power Requirements: 110 V / 50 Hz, 220 V / 60 Hz, switchable.
  • Cuvette Holder: 4-Position Cell Holder.
  • Size and Weight:
    • Size: 20" (W) x 17" (D) x 8" (H) (420 mm x 340 mm x 180 mm).
    • Weight: 19 lbs (8.5 kg).

Unico S1205 Visible Spectrophotometer Literature:

Unico Spectrophotometer Catalog

Unico S1205 Visible Spectrophotometer Operation Manual

Frequently asked questions

What ensures high measurement accuracy?

The Unico S1205 achieves high accuracy through its High Performance Optics, featuring a high-quality silicon photodiode detector and a single-beam 1200 Lines/mm grating monochromator, delivering a tight 5 nm Bandpass across the 325 nm to 1000 nm visible range.

Key specifications that ensure measurement precision include:

Specification Value
Photometric Accuracy ± 0.004 A at 0.5 A
Wavelength Accuracy ± 2 nm
Wavelength Repeatability ± 1 nm
Stray Light Stability ± 0.002 A/hr at 500 nm (after 1 hr warm-up)
Baseline Flatness ± 0.010 A (requires optional software)

Additionally, the spectrophotometer features Automated Diagnostics with a built-in Self-Calibration feature that automatically checks the bulb, filter positioning, and wavelength before operation to guarantee reliable and consistent results.

Is the Unico S1205 suitable for water testing and environmental analysis?

Yes, the Unico S1205 is designed for versatile applications. It can accommodate cuvettes up to 50 mm path length, making it suitable for:

  • Water testing
  • Environmental analysis
  • Petroleum industry applications
Is the S1205 fully programmable?

Yes, the Unico S1205 is an all-digital instrument designed for efficient lab workflow and is fully programmable.

This functionality allows you to define and manage tests directly on the instrument, featuring robust internal memory for storing both methods and results:

  • Test Methods: You can pre-program and store up to 200 different test methods.
  • Measurement Results: The instrument can store 500 individual measurement results.

For external data handling, the unit includes both USB and RS-232C ports for data output. The USB port also supports no-charge software upgrades.

Does this spectrophotometer have a precise bandpass?

Yes, the Unico S1205 Visible Spectrophotometer utilizes a precise bandpass (slit width) of 5 nm.

This specific bandwidth is defined by the instrument’s high-performance optical system, which includes a 1200 Lines/mm grating to ensure accuracy and repeatability.

Does it have a wide wavelength range?

The Unico S1205 Visible Spectrophotometer offers a broad operational range for diverse lab applications. Its high performance is ensured by a high-quality silicon photodiode detector and a 1200 Lines/mm grating.

Wavelength Specifications

Specification Value
Wavelength Range 325 - 1000 nm (Visible)
Wavelength Accuracy ± 2 nm
Wavelength Repeatability ± 1 nm
Bandpass (Slit Width) 5 nm
Does the S1205 maintain high photometric accuracy?

Yes, the Unico S1205 is designed for precise measurements in the visible spectrum. The specified photometric accuracy is ± 0.004 A at 0.5 A.

The instrument also provides a broad photometric measurement range:

  • Transmittance (%T): 0 to 125
  • Absorbance (A): -0.3 to 2.5
  • Concentration (C): -9999 to 9999
Which essential accessories are included?

The Unico S1205 Visible Spectrophotometer includes all the essential components needed for operation and maintenance, along with key connectivity features:

Included Physical Accessories

  • 4-Position Cell Holder: This standard component allows for efficient, standardized measurement of multiple samples.
  • Dust Cover: Protects the instrument and its high-performance optics when the unit is not in use.

Connectivity and Data Handling

The instrument features advanced connectivity to manage data and maintain functionality:

  • USB Port: Used for easy data export and facilitates free software upgrades.
  • RS-232C Port: Provides a reliable data output connection to external devices.
Is the sample compartment versatile?

Yes, the sample compartment is a key feature of the Unico S1205, designed for high versatility and compatibility with various applications, including water quality and environmental monitoring.

Its key features include:

  • Accepts Large Cuvettes: The compartment can accommodate cuvettes and accessories with path-lengths up to 50 mm. This capacity is vital for accurately measuring samples with very low concentrations.
  • Standard Holder: The unit includes a 4-Position Cell Holder right out of the box, facilitating easy handling and quick analysis of multiple samples.
  • Programmable Workflows: To further enhance versatility, the digital system allows you to pre-program up to 200 custom test methods and store 500 results, streamlining complex or repetitive analyses.
Does the S1205 use a high-quality light source?

Yes, the Unico S1205 Visible Spectrophotometer uses a high-quality Tungsten Halogen Lamp as its light source.

Key specifications of the optical system include:

  • Monochromator: 1200 Lines/mm grating system
  • Detector: Silicon photodiode
  • Wavelength Range: 325 - 1000 nm
  • Bandpass (Slit Width): 5 nm
  • Photometric Accuracy: ± 0.004 A at 0.5 A
Is the spectrophotometer fully digital and programmable?

Yes, the Unico S1205 is an all-digital, fully programmable instrument built to enhance lab efficiency and accuracy. Its digital capabilities include:

  • Method and Result Storage: You can pre-program and save up to 200 test methods and store up to 500 results internally, streamlining routine workflows.
  • Digital Control: Wavelength changes are implemented instantly via the digital keypad, displayed clearly on the 4-line LCD screen. It also features quick, push-button automatic blanking.
  • Automated Diagnostics: The system includes a Self-Calibration utility that performs automated checks on the bulb, filter positioning, and wavelength accuracy.
  • Data Connectivity: The unit is equipped with both a USB port (for data transfer and free software upgrades) and an RS-232 port for robust data output.

For expanded functionality, optional Windows-based application software supports advanced analysis, including full-range wavelength scanning (325 - 1000 nm), standard curve generation, and Kinetics analysis.