Ametek Thermox 2000 ATEX Series User Manual page 21

Sensor
Principle of Operation
Zirconium oxide for net oxygen measurement and hot-wire type catalytic
detector for combustibles.
Output Range
Oxygen: From 0-1% to 0-100%
Comb: From 0 to 2,000 ppm to 0 to 10,000 ppm or from 0 - 2% to 0 - 5%
Accuracy
Oxygen: ±0.75% of measured value or ±0.05% oxygen, whichever is greater.
Comb: ± 2% of full scale output range.
Response
Oxygen: 90% of a step change <30 secs. with 24" probe
Max. Flue Gas Temperatures / Probe Type / Probe Lengths
704°C / 316 SS / 61 cm , 91 cm, 122 cm
1024°C / 310 SS / 61 cm , 91 cm, 122 cm
1537°C / Ceramic / 61 cm , 91 cm, 122 cm
Max. Sample Dewpoint
200°C
Sample Pressure
Subatmospheric
Purge Flow During Rapid Exchange Period:
340 L/min
Purge Flow During Normal Operation:
30.2 L/min
Environment
Ambient Temp.: -20 to 60°C
Relative Humidity: 10% to 90%, non-condensing
Max Altitue: 2000
IEC Installation (Overvoltage) Category: II
IEC Pollution Degree 2
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Specifications 2-3