Oxygen analyzer for continous monitoring of oxygen content 1 ppm to 100 % oxygen/CO2
Related products - On-line O2 monitor for food packaging
  Features :
  • Measurement range from 1 ppm to 99.99% O2 with automatic range switching
  • Measurement range from 0,01 to 99.99% CO2
  • Extremely fast response time to changes in the concentration
  • Long-term stable ZrO2 sensor with 12-month calibration intervals
  • Sensor calibration with up to 7 calibration gases plus air (20.9%)
  • External start of the measurement sequence using a 12-24 VDC signal
  • Analog output as 0/2-10 VDC or 0/4-20 mA output, freely configurable
  • Measurement gas extraction using built-in diaphragm pump (optionally with overpressure)
  • Optionally, an RS232 interface can be integrated for connection to PC
  • Sensor type CO2: Nondispersive Infrared sensor

- The Zr-Ox MK II is the base model and is used for continuous measurement of oxygen or O2/CO2 concentrations in inert gases (N2, CO2, Ar, etc.), in the range from 1 ppm to 99.9%, in many industrial processes. Combustible, aggressive or corrosive gases should be avoided because they can affect the measurements or even damage the sensor.

- The measurement gas is fed in without pressure through the built-in measurement gas pump. The measurement gas can be fed in under overpressure if required. Depending on the unit’s options, the measured value is displayed directly on the front panel and output via the analog output or RS232 as a standardized 0/2-5/10 VDC or 0/4-20 mA signal.

- The unit has intuitive menu guidance that allows the user to adjust all important parameters and to configure the unit according to his/her individual requirements, all in a very short time. It is also possible to enter all parameters by PC, over RS232.

- The Zr-Ox MK II has 3 relays that can be used, for example, to trigger an alarm when the measured concentration falls below or exceeds a selected value, when the flow rate is insufficient, or when there is a system error. The relays can be programmed as normally closed contacts or normally open contacts. The Zr-Ox MK II was developed especially for industrial use in machines (such as soldering and packaging machines), where continuous monitoring of the oxygen or O2/CO2 concentration is important.


Specification of the Zr-Ox MK II process oxygen monitor
Sensor Type - oxygen Nondispersive Infrared sensor
Measuring Range 1ppm to 99.9% oxygen O2 / 0.01 to 99.99% CO2
Accuracy 2% of measurement
Display LCD auto ranging
Alarms Flow and 2 concentration levels
Sample flow rate 80 ml/m 
Sample points Single inlet standard
Data output RS232C
Analog Ouputs 0/2-10 VDC or 0/4-20 mA output,
Dimensions 250 x 240 x 180 mm high x wide x deep
Weight 3 kg
Ordering Information
Model Description Price indicator
Zr-Ox MK II Unit complete including analog output, calibration certificate and instructions $6500.00

Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779
e-mail: sales@topac.com

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Keywords - residual oxygen, oxygen, carbon dioxide, O2, CO2, monitor, analyzer, analyser, vacuum, annealing, welding, purging, nitrogen purge, flow wrap, packaging machines, MAP, CAP, modified atmosphere, Multivac, Tiromat, Ross, PBI, PBI-Dansensor, Dansensor