Oxylab+ Control Unit

Oxylab+ electrode control unit

  • PC operated electrode control unit with USB connectivity
  • Sophisticated electronics for automated intensity control of LH36/2R & LED1 light sources
  • Suitable for liquid-phase samples between 0.2ml – 2.5ml with 0% – 100% oxygen concentration
  • 24-bit high-resolution measurement of oxygen signals
  • Integral systems for measurement of pH & other ion-selective electrode (ISE) signals with 16-bit resolution
  • Onboard LCD readings of oxygen signal, auxiliary & ISE signals & chamber temperature
  • 2-channel capability via purchase of additional systems
  • OxyTrace+ Windows® software for data acquisition, hardware control & data analysis
  • Real time 0V – 4.5V analogue output of oxygen electrode signal

Oxylab+ Electrode Control Unit Overview

Oxylab+ Control Unit | Hansatech Instruments | Oxygen electrode and chlorophyll fluorescence measurement systems for cellular respiration and photosynthesis research

The next generation Oxylab+ oxygen electrode control unit combines striking aesthetics with enhanced features and functionality offering significant advances in flexibility and performance over previous generations of electrode control unit. As part of a complete system, Oxylab+ provides a convenient yet powerful tool for measurements of oxygen evolution or uptake across a broad range of liquid-phase samples from chloroplast extractions to mitochondrial suspensions with oxygen concentrations up to 100%.

Oxylab+ offers unrivalled price vs. performance combining simplicity of operation with an enviable feature set. The outstanding flexibility ensures Oxylab+ is equally useful in both a teaching and research capacity. 24-bit resolution allows detection of minute changes in oxygen tension without needing to apply instrument gain. This results in beautiful, noise-free traces even when zoomed close in on areas of interest. Integral electronics provide control over an LED light source with automatic intensity changes handled by user-defined PFD light tables in software.

The system allows real-time graphing of signals from auxiliary inputs and ion-selective electrodes providing scope for comprehensive analysis of oxygen activity simultaneously with signals such as pH, TPP+, calcium, potassium and hydrogen ions. Signals from all inputs are additionally displayed on an LCD screen mounted within the front panel of the Oxylab+ control unit.

Up to 2 individual Oxylab+ control units may be linked to a single PC and operated simultaneously from OxyTrace+ software providing a powerful, multi-channel system.

OxyTrace+ Software

OxyTrace+ is a multi-function Windows® program supplied with our range of PC-operated electrode control units for system configuration, calibration, data acquisition and analysis.

In liquid-phase systems such as Oxygraph+, Oxytherm+, Chlorolab 2+ and Chlorolab 3+, an automated 2-step calibration routine guides the user quickly and effectively through the system calibration process using electrode values measured from air-saturated and deoxygenated water. For gas-phase systems such as Leaflab 2+, an automated 3-step calibration routine using electrode values measured from ambient air, ambient +/- 1ml of injected/removed ambient air and a further measurement of ambient air is employed.

For electrode control units that provide automated light source control in systems such as Oxytherm+P, Chlorolab 2+, Chlorolab 3+ and Leaflab 2+, OxyTrace+ allows simple configuration of comprehensive PFD tables consisting of up to 20 individual light steps. Light intensity adjustments are performed automatically during the measurement. OxyTrace+ also allows calibration of the light source from a simple software routine. This requires the QTP1+ PAR/temperature sensor to be connected to the rear of the electrode control unit and placed into the reaction vessel prior to the addition of any liquids. In the Leaflab 2+ gas-phase system, calibration of the LH36/2R light source requires manual input of measured values at each individual calibration intensity step using the QSRED quantum sensor.

OxyTrace+ Software | Hansatech Instruments | Oxygen electrode and chlorophyll fluorescence measurement systems for cellular respiration and photosynthesis research

A tabbed interface allows a simple transition between the different data views including oxygen electrode (and if configured, auxiliary and external ion-selective electrode) realtime output, a split screen showing realtime rate of change above the oxygen signal and tabulated numerical data.

Post-acquisition analysis tools allow automatic calculation of oxygen rates from user-defined rate intervals. For Oxytherm+P, Chlorolab 2+, Chlorolab 3+ and Leaflab 2+ systems, additional analysis tools automatically calculate rates of change for defined PFD light steps with a calculation of quantum yield presented at the end of a measurement. All files are saved as Comma Separated Values (CSV) data files opening effortlessly in external data processing packages such as MS Excel®.

OxyTrace+ will run on all supported Microsoft operating systems.

Technical Specifications

  • Measuring range:
    • O2: 0% – 100%
    • pH: 0pH – 14pH
    • Aux: 0V – 4.096V
  • Signal inputs:
    • S1 O2 electrode (SMB)
    • pH/ISE (BNC)
    • Aux (8-pin mini-Din)
    • QTP1+ PAR/temp probe (6-pin mini-Din)
  • Resolution:
    • O2: 0.0003% (24-bit)
    • pH: 0.0006pH (16-bit)
    • Aux: 62.5µV/bit (16-bit)
  • Polarising voltage: 700mV
  • Input sensitivity: 0nA – 9,000nA
  • Magnetic stirrer: Software-controlled 150rpm – 900rpm in % steps
  • Sampling rate: 0.1 readings/s – 10 readings/s
  • Electronics:
    • Microcontroller: 16-bit high-performance CPU running at 32 MHz
    • ADC: Dual, low-power
    • 16/24-bit Sigma Delta
  • Display: 61 x 2 character blue LCD
  • Communications: USB 2.0
  • Analogue output: 0V – 4.5V O2 signal
  • Dimensions (HWD): 250mm x 125mm x 65mm
  • Weight: 630g
  • Power: 95V – 260V universal input mains supply. Output 12V DC 2.5A