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Biochrom Ultrospec® 35c Colorimeter

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Biochrom Ultrospec® 35c Colorimeter
Product Code Price
Ultrospec 35c Colorimeter (Includes: Instrument, power supply, USB cable, 1 pack of x8 cuvettes, Quick Start Guide and QR code with link to User Manual) 80-3008-00      View Price
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Biochrom Ultrospec® 35c Colorimeter

A compact, portable, flexible colorimeter

  • Measures the absorbance/transmission of liquid samples in either a cuvette or test tube at fixed wavelengths to determine molecular concentration.
  • Ideal for the basic molecular quantification and analysis in Life Science, Chemistry and Physics.
  • Perfect in the lab or for field-based work, in industry, environmental studies or remote locations where simple colorimetric testing is paramount.

Key features

  • Flexible analysis: Measures samples in absorbance and % Transmission modes as well as having simple kinetics functionality.
  • Robust LED light source: User-selectable wavelengths: 450, 500, 520, 540, 600 and 640 nm.
  • Touchscreen display: The instrument has a 4.3’’ color touchscreen for easy workflow.
  • Instrument data output: Measurement data can be exported to a USB flash drive as comma-separated values (.csv).
  • Versatile and portable: The instrument has a small footprint allowing it to be operated as a handheld battery powered unit or connected to mains power on your benchtop. It is easy to clean and requires very minimal maintenance.

Part Number


Wavelength Range

450 to 640 nm

Light Source


LED array wavelengths

450 nm, 500 nm, 520 nm, 540 nm, 600 nm, 640 nm


Photo Diode


480 x 272-pixel resolution backlit LCD color display

Storage Conditions

-10 ̊C to 70 ̊C (14 ̊F to 158 ̊F)

Spectral Bandwidth


Photometric Range

Absorbance 0.0 to 2.5A

Photometric Accuracy

< ± 0.05A 1A using neutral density filter

Photometric Repeatability

± 0.02A at 1A

Operation Modes

Absorbance, Transmission, Kinetics

Sample Holder


  • 10mm x 10mm cuvettes
  • 16mm test tubes

Can accept 10-12mm tubes with optional adapter

Data Connector: USB-A

Interface for memory device

Power Connector: USB-C

Input power at 5V, 2 Amp max

Power (via external charger)

USB charger specifications (included): 100-240V, 50/60Hz, 10W


Internal rechargeable Li-Ion battery


CE & UKCA marked, US/CAN safety (ETL or equivalent)


170mm W x 210 mm D x 50 mm H


0.6 kg (1.3 lbs)

Product Code Accessory Name
80-2004-53 10mm Disaposable Methacrylate Cuvettes
80-3007-99 User Replaceable Battery
80-3008-08 USB-C Cable
80-3008-09 Power Supply
80-3000-57 Adapter set for 10- and 12-mm tubes