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Dual, user-customizable, air-cooled, Peltier-controlled cuvette holders with two optical ports
Product Overview

The qX2x2 is an Air-Cooled pair of  temperature controlled cuvette holders providing independent control for both the sample and reference cuvettes. With optical ports on each side of both reference and sample cuvettes, use the qX2x2 for absorbance measurements or any experiment that can be performed using the 180° beam path.

We have mounting options compatible with a wide array of  spectrophotometers from different manufacturers, or contact us today for a custom mounting solution to meet your experimental needs! Check out the available options below!

Part of our Air-Cooled line of cuvette holders, the qX2x2 is ideal for temperature ranges of 0 °C to 110 °C with no liquid cooling required. No longer is the instrument required to be tethered to a water bucket, chiller, or other circulating liquid reservoir in order to set and maintain precise sample temperatures. The qX2x2 will maintain precise sample and reference temperatures with both holders linked or independently running at different temperatures.

The qX2x2 also has the ability to stir both the sample and reference cuvettes at a steady reproducible rate, and the ability to flood the optics of both cuvette holders in a controlled gaseous environment while working at lower temperatures to maintain optical clarity. Use the qX2x2 to observe absorbance spectra at precisely maintained temperatures, or for temperature ramping, to observe how absorbance changes with temperature.

Purchase the low temperature option, consisting of windowed vests and capability for liquid cooling, to easily operate the qX2x2 from 0 °C down to -35 °C. Purchase the extended temperature option to extend operation above 110 °C to 150 °C for all your high temperature experiments. Purchase both to create the ultimate, do-anything device!

It is easy to operate the qX2x2 using the TC 1 Temperature Controller, included in the purchase price. The sample and reference temperature, stirring speeds, and temperature ramp rates may be controlled manually using the TC 1 menu control buttons on the front panel, or by using Quantum Northwest’s computer control software,  T-App, available for purchase.

Product Features

Rapid, precise Peltier temperature control
Precise stepper-motor-driven magnetic stirring
Dry gas purge for work at low temperature
Lids to improve temperature stability
Threaded inserts to mount windows or filters
Optional extended temperature range
Windowed jacket available for temperature extremes
Optical slit holders to control illuminated volume
Cuvette lifter for removal of cuvette
Probe input for sample temperature
Base and post for mounting in the spectrophotometer
NIST-traceable temperature calibration

  • Technical Specifications
    Number of cuvettes controlled
    Typical use
    Absorbance (sample and reference)
    Standard cuvette size (outside)
    12.5 mm x 12.5 mm
    Optical ports per cuvette
    Optical port dimensions
    12 mm high x 10 mm wide
    Cuvette z-height
    15 mm
    Windowed vest available
    Factory set temperature range
    -40 °C to +110 °C
    Temperature range easily achievable
    -5 °C to +110 °C
    Range with low temperature option
    -35 °C to +110 °C
    Range with extended temperature option
    -35 °C to +150 °C
    Temperature precision
    ±0.02 °C
    Thermistor probes accepted
    Magnetic stirring motor type
    Stepper under each cuvette
    Magnetic stirring speed range
    1-2500 rpm
    Default stirring speed
    1200 rpm
    Stirring speed best performance
    60-1800 rpm
  • Basic Package

    qX2x2 – Pair of temperature-controlled cuvette holders
    TC-1 – Temperature Controller
    NIST-traceable calibration and performance data
    Magnetic stir bars, tubing for dry gas and cables

  • Available Modifications

    Agilent Spectrometers




    Dynamica Spectrometers



    Hitachi Spectrometers



    Perkin Elmer Spectrometers




    Shimadzu Spectrometers



    Thermo Scientific Spectrometers


  • Accessories
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