Systech Illinois ZR800 Oxygen Analyzers

Invest in a powerful ZR800 Series Oxygen Analyzer and you’ll measure the oxygen in most industrial gas streams from 0.1ppm up to 100% volumes.


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Product Description

Developed by Systech Illinois’, our specialist gas and moisture inspection company, our oxygen analyzers offer unsurpassed accuracy, reliability and flexibility under the most demanding on-line operating conditions .

Zirconia Oxygen analyzers

The accuracy of our ZR800 oxygen analyzers is relied upon by companies of all sizes across the electronics, semiconductor, food processing and gas manufacturing industries.

Super fast oxygen detection

Our panel or bench-mounted oxygen analyzers are ultra fast. The response times you enjoy are unparalleled in the industry – the competition simply can’t keep up!

User friendly Zirconia oxygen analyzers

These microprocessor controlled instruments have user-friendly menu driven software. You can even customize our oxygen analyzers to meet your requirements.

Oxygen detection for all environments

Our robust and reliable oxygen detectors are IP66 waterproof and weatherproof, so you can rely on them in the most challenging of environments. Here’s just some of the applications our oxygen analyzers support:

  • Industrial gas checking
  • Inert processing ovens, furnaces and heat treating systems
  • Optical glass fiber manufacturing
  • Infrared light sources and lamps manufacture
  • Ambient air monitoring and confined space entry
  • Welding and metallurgy
  • UV / IR / electron beam curing
  • UV sterilization
  • 3D metal printing
  • Laboratory testing
  • Industrial gas checking
  • Technical ceramic firing
  • Battery manufacture
  • Graphite production
  • Vessel blanketing
  • Steel production
  • Rubber polymerization

Super sensitive zirconia o2 sensor testing

All ZR800 oxygen analyzers feature precision zirconium dioxide oxygen sensors for high the most accurate oxygen detection available.

The oxygen detection cell is a high purity, high density, stabilized zirconia ceramic. The oxygen sensor produces a voltage signal relative to the oxygen concentration of the sample gas stream. The cell’s logarithmic output is converted and linearized by a high speed microprocessor, providing a direct digital readout on the instrument’s LED display.

Zirconia Oxygen analyzer choices

We make a range of oxygen detection devices and accessories. For example, check out the EC92DIS ATEX portable oxygen analyzer or the 8700 & 8701 OxySense® Oxygen permeability analyser to start.

Zirconia o2 sensor testing insight

We like to share the knowledge we have amassed over the decades at Industrial Physics. Why not visit our blog on measuring gas with zirconia oxygen analyzers, or this one that covers electrochemical cells used in oxygen analyzers.

Zirconia oxide sensor theory

The oxygen analyzer’s conventional zirconium oxide cell consists of a zirconium oxide ceramic tube plated with porous platinum electrodes on its inner and outer surfaces. As the oxygen sensor is heated above 1112ºF, it becomes permeable to oxygen ions (O2) with vacancies in its crystal lattice structure permitting their mobility.

Because of this, the oxygen sensor becomes an oxygen ion conducting electrolyte. The electrodes provide a catalytic surface for the change in oxygen molecules, O2, to oxygen ions, and oxygen ions to oxygen molecules.

Oxygen molecules on the high concentration reference gas side of the oxygen analyzer’s cell gain electrons to become ions which enter the electrolyte. Simultaneously, at the inner electrode, oxygen ions lose electrons and become released from the surface as oxygen molecules.

When the oxygen concentration differs on each side of the sensor, oxygen ions migrate from the high concentration side to the low concentration side. This ion flow creates an electronic imbalance resulting in a DC voltage across the electrodes. This voltage is a function of the sensor temperature and the ratio of oxygen partial pressures (concentrations) on each side of the oxygen sensor.


  • SKU: ZR800
    Applications: Gas Analysis and Testing, Oxygen Process Analysis
  • Materials: Gas
  • Gas : Oxygen
  • Application : Industrial Gas, Ovens/Furnaces, Welding
  • Measurement range : Autoranging from 0.1ppm to 100%
  • Technology : Zirconium dioxide
  • Response Time : 90% of step change within 5 seconds
  • Measuring cell type : Stabilised zirconia sensor
  • Unsuitable gases : ammonia, carbon monoxide, combustibles, corrosive gases, halogenated hydrocarbons, halogens, hydrocarbons, hydrogen, hydrogen sulfide and sulfur- or lead-containing compounds
  • NB: Optional version for use with gases containing low ppm levels of hydrocarbons etc

Features & Benefits

  • Non depleting, maintenance-free, oxygen sensors
  • Ambient air or traceable gas calibration
  • Microprocessor controlled oxygen analyzer functions
  • Large, autoranging LED display
  • Extremely fast oxygen detection response
  • Unaffected by vibration or position
  • Sturdy, reliable construction with three mounting options
  • 24VDC version
  • Three different configurations available
  • Panel or bench mount
  • NEMA 4X / IP66 waterproof and weatherproof
  • 19” rack mount
  • Operator interface / diagnostics
  • User-friendly menu
  • Read-only mode available
  • Diagnostic capabilities
  • Fault alarms
  • Sampling systems
  • Bypass flowmeter
  • Pressure regulator
  • Sample pump
  • Flow alarm
  • Auto calibration
  • Cartridge filter kit
  • RS232 / 485
  • Analog outputs
  • High / low alarms
  • Fault alarms
  • Flow alarm

With over 40 years as an industrial equipment supplier JWII has a profound depth of knowledge in the space of analytical instrumentation and related solutions. We help and advise clients to navigate a broad spectrum of products their uses in industry to meet process control and sustainability goals . Our advanced array of tools, synergized with our team of specialists, enables us to deliver solutions of significant impact. With a legacy marked by consistent achievements, we hold in high regard our steadfast dedication to catering to an international clientele spanning diverse industries and geographies.

Our Premier Suite of Services Encompasses:

  • Installation: Precision-driven integration tailored to specific requirements.
  • Routine Maintenance: Ensuring systems’ longevity and optimal performance through regular oversight.
  • Repairs and Upgrades: Proactive identification and rectification of system inefficiencies, bolstered by the latest technological advancements.
  • Modifications to Current Installations: Adapting existing systems to align with evolving client needs.
  • Emergency Response Repairs: Prompt and efficient solutions for unforeseen system challenges.
  • Commissioning: Comprehensive system design, installation, testing, and maintenance to meet exacting operational standards.
  • On-site Assistance: Dedicated field teams providing hands-on support, ensuring seamless operations irrespective of challenges.
  • This field is for validation purposes and should be left unchanged.
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