Quantek Instruments, Inc.
183 Magill Drive
Grafton, MA 01519
Model ZR1000 Trace O2 Analyzer (0-1000ppm)
Sensor Design
The sensor in the Model ZR1000 is a robust, heated zirconia element with typical lifetime of 5 years, with an excellent response to trace O2 levels down to single numbers, in all types of inert gas environments. The inlet and outlet are isolated from ambient air by double check valves on both sides, protecting the sensor from high O2 levels when not in use.
Unlike electrochemical ppm oxygen sensors, the ZR1000 sensor will not degrade when the instrument is powered off, and exposed to room air. This eliminates the need to flush the instrument with a gas such as nitrogen, and keep the instrument completely sealed from the environment.
Electrochemical ppm sensors can have a lifespan as short as 3 months, which requires constantly purchasing and installing new sensors. Even worse, if the replacement sensor is not stored properly, you may end up with a sensor that has already degraded. Our zirconia sensor eliminates these problems entirely.
Specifications
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Expected Lifetime (oxygen)
4-5 years
Oxygen Range
0 to 1000 ppm Oxygen
Oxygen Sensitivity
1ppm
O2 Resolution
1ppm
Analog Output
(optional) 0-10V
Resolution
1 ppm Oxygen
Accuracy
5ppm
Drift
Less than 10ppm per year
Oxygen Sensor Type
Proprietary zirconia cell, expected lifetime 4-5 years
Response Time
7 seconds from 1000 to 100 ppm; 15 seconds from 100 to 10 ppm.
O2 Sensor Lifetime
5-7 years
O2 Sensor Body
Stainless Steel
Sample Connection
quarter inch tubing to Swagelok fitting.
Sample Method
Pump (Optional)
Sample Pump
Optional; Internal, with adjustable timer
Pump Timing
(Optional) 2-mode pump switch (timed, or continuous)
Sampling Port
Swagelok inlet (1/8 in)
Minimum Sample Required
100cc
Sampling Assembly
Not Available
Oxygen Calibration Controls
SPAN adjustment, zero adjustment (calibration gas recommended)
Instrument Calibration
Calibrates with standard gas; adjusters on back of analyzer
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