Michell Instruments XGA301 Specifications
Oxygen Analyzers
XGA301
Industrial Gas Analyzer
The XGA301 Industrial Gas Analyzer from Michell Instruments provides a convenient platform
to measure oxygen, dew point and other gases such as CO
supplied in one of two bench-mounted chassis and with up to three sensors fitted.
, CO and CH4. The analyzer can be
2
Highlights
• Sensor choices from zirconia, galvanic
electrochemical, infrared and ceramic impedance
technologies
• Variable speed pump (optional)
• Intuitive HMI with back-lit display
• Two fully-programmable alarms
• 2 x voltage outputs and 2 x 4–20 mA outputs
• Digital RS232 output
• Software package includes live graphing and Excel™
compatible data-logging
• Password protection
• Panel mounting bezel for XGA301A1 variant
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Applications
• Convection reflow oven control
• Laboratory scale experiments
• Combustion process in lean-burn applications —
e.g. engine performance testing
• Industrial processes — e.g. wave soldering and
vacuum welding
• Glove boxes
• Food production (nitrogen blanketed)
Oxygen Analyzers
Technical Specifications
Monitor
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
Sample connections
Dimensions (H x W x D)
XGA301A1:
Weight
XGA301A1/A2:
XGA301A3:
Standard:
Optional:
Panel-mount XGA301:
XGA301A2/A3:
XGA301A1:
XGA301A2/A3:
16 x 2 character (9mm) back-lit LCD,
20 x 4 character (9mm) back-lit LCD
4mm ID / 6mm OD nipple — gas fittings
on front panel
Rectus™ or Swagelok
Rear panel fittings for XGA301A1 only
290 x 250 x 250mm (11.4 x 9.8 x 9.8”)
4U (177) x 300 x 290mm
195 x 355 x 340mm (13.8 x 10.4 x 5.9”).
Fit extended*
3.5kg
4 to 5.5kg
®
6mm fittings.
Electrical Specifications
Analog Outputs 2x 4-20mA outputs, assignable to any of
Digital output RS232 ASCII
Power supply 90–260 V AC, 50/60 Hz
the fitted sensors.
2x alarm relays
2 x 0–10 V (XGA301A1 only)
2 x 0–5 V (XGA301A2/A3 only)
Moisture and Pressure Sensors
Sensor Type Water Dew Point* Pressure (2m lead),
Accuracy ±2°Cdp of reading <±0.25% of full scale
Ranges -65 to +20°Cdp
-100 to +20°Cdp
* Maximum dimensions including needle valve and with the
feet extended.
*For full specifications, see the Easidew Transmitter datasheet
remote sensor
standard, enhanced accuracy
of 0.1% and 0.05% available
at extra cost
0-5 barg
0-10 barg
Sensor Options and Specifications
Sensor Type Zirconia Electrochemical Infrared
Measurand O
Accuracy ±1% of reading
Inlet Pressure 1barg max 0.7 – 1.4bara 0.7 – 1.4bara
Response
Time
Stablility ±2% of reading per month ±2% of range (over 12 months)
Life
Expectancy
0-100%
0-30%
0-10%
0-5%
0-3%
0-1%
0-5000ppm
0-2000ppm
0-1000ppm
0-500ppm
2
(logarithmic scale) or
0.5ppm whichever is
greater.
Approx 5 seconds for a
90% step change
(gas flow rate of 1 Nl/
min-1)
>17,500 hours ~10yrs ~10yrs
Output can be user
configured 0-10ppm, up to
0-30%
O
2
±1% of
full scale
at 25°C
1013mbar
Approximately 30 seconds (T90) Approximately 30 seconds (T90)
O2 (Low
range)
±2% of full scale at 25°C 1013mbar ±2% of full scale at 25°C 1013mbar
CO CO (H2
present)
CO
2
CH
4
CO
Rotronic Instruments Corp. 135 Engineers Road, Suite 150, Hauppauge NY 11788
Tel: 631 427 3898, Email: us.info@michell.com, Web: www.michell.com/us
Michell Instruments adopts a continuous development programme which sometimes necessitates specification changes without notice.
Issue no: XGA301_97489_V2.2_US_Datasheet_1118
© 2018 Michell Instruments
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