Quantek Instruments, Inc.
183 Magill Drive
Grafton, MA 01519
Model 905 Headspace Oxygen Analyzer
HOW TO SAMPLE YOUR PACKAGES
The sample probe is tipped with a particulate filter and syringe needle. Affix the foam septa to your package, insert the needle through the septa, and press the pump button. Sample from your package is drawn through the probe and into the internal oxygen sensor.
The pump will draw about 5 cc/second from your package. The pump will run from 2 to 12 seconds and this time is easily adjustable using the controls. This adjustment is especially important for packages of varying size, or for rigid packages. The oxygen measurement displays on the LCD within 15-20 seconds.
LOWEST TOTAL COST OF OWNERSHIP
The Model 905 oxygen analyzer is the market leader for durability, simplicity, and reliability. The initial lower cost, and longer-life sensor, makes it best in class for laboratory package oxygen analyzers.
ABOUT THE INTERNAL OXYGEN SENSOR
The sensor is unaffected by high levels of background gases such as nitrogen or carbon dioxide, and unaffected by trace hydrocarbons. You can use the Model 905 for applications where oxygen level is very high (50 to 100%) without overloading the sensor. The expected oxygen sensor life is typically 4-5 years, unlike other analyzers with a sensor that last 1-2 years.
Specifications
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Expected Lifetime (oxygen)
4-5 years
Oxygen Range
0.0 to 100%
Oxygen Sensitivity
0.1% (or optional 0.01%)
O2 Resolution
0.1% (or optional 0.01%)
Analog Output
Not Available
Resolution
0.1% (or optional 0.01%)
Accuracy
: +/- 0.1% (for oxygen levels below 10%)
Drift
less than 0.4% per year
Oxygen Sensor Type
Proprietary electrochemical cell, expected lifetime 4-5 years
Response Time
15 seconds to T95
O2 Sensor Lifetime
4-5 Years
O2 Sensor Body
ABS Resin
Sample Connection
Sample Probe
Sample Method
Pump
Sample Pump
Internal, draws ~5cc/sec, with 2-12 second adjustable timer (on back of unit)
Pump Timing
2-12 second adjustable pump time, potentiometer on side of analyzer
Minimum Sample Required
10cc
Sampling Assembly
Probe with female luer connection for filter and needle, low volume PTFE tubing
Oxygen Calibration Controls
SPAN adjustment, zero adjustment
Instrument Calibration
Calibrates with room air; SPAN adjustment on back; ZERO adjustment on back
Exhaust port
Vents to air
Power Supply
100-240V (50-60Hz) Charger included, with US or international interchangeable plug adapter (upon request)
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