A1010 Percent Oxygen Analyzers


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The ROX6110 Industrial gas analyzer from Avcray Instruments provides a convenient platform to measure oxygen, dew point and other gases such as CO2, CO, and CH4. The analyzer can be supplied in one of two bench-mounted chassis and with up to three sensors fitted.

Standard features include two fully-programmable alarm circuits (voltage-free contacts), programmable analog outputs, RS232 communications, and complete Windows-based data-logging software.

The industrial zirconia oxygen sensor provides fast and accurate oxygen analysis over the range of 1 ppm to 30%* O2 and delivers stable and repeatable readings, with a typical response time of less than 5 seconds for a 90% response to a step change in gas compositions. The zirconia sensor is heated, and temperature-controlled to enable oxygen ions to conduct. An internal pressure sensor compensates for small changes in the gas pressure to maintain accurate and stable readings. An optional, variable speed-pump draws a gas sample at a flow rate set by the user between 0 to 1.2 Nl/min.

Product Features

  • Sensor choices from zirconia, galvanic electrochemical, infrared and ceramic impedance technologies
  • Variable speed pump (optional)
  • Zirconia sensor cleaning facility which can be operated at any time during use
  • Intuitive HMI with back-lit display
  • Two fully-programmable alarms
  • 2 x voltage outputs and 2 x 4–20 mA outputs
  • Digital RS232 output
  • The software package includes live graphing and Excel™ compatible data-logging
  • Password protection

Technical Specification

Operating temperature +5 to +35°C
Warm-up time 3 to 4 minutes @ +20°C
Maximum inlet temperature +50°C
Sample flow rate 0 to 1.2 Nl/min, user-selectable with pump
Maximum inlet pressure 1 barg
Display ROX6110 A1/A2:16 x 2 character (9mm) back-lit LCDM
ROX6110  A3:20 x 4 character (9mm) back-lit LCD
Sample connections Standard 4mm ID / 6mm OD nipple — gas fittings on front panel
Optional: Rectus™ or Swagelok® 6mm fittings, rear panel fittings for XGA301A1 only
Dimensions (H x W x D) ROX6110  A1: 290 x 250 x 250mm (11.4 x 9.8 x 9.8”)
Panel-mount XGA301:4U (177) x 300 x 290mm
ROX6110 A2/A3: 195 x 355 x 340mm (13.8 x 10.4 x 5.9”).*
Weight ROX6110  A1: 3.5kg
ROX6110  A2/A3: 4 to 5.5kg

* Maximum dimensions including needle valve and with the feet extended.

Electrical Specifications
Analog outputs 2x 4-20mA outputs, assignable to any of the fitted sensors
2x alarm relays
2 x 0–10 V (XGA301A1 only)
2 x 0–5 V (XGA301A2/A3 only)
Digital output RS232 ASCII
Power supply 90–260 VAC, 50/60 Hz
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