Industrial Scientific Ventis Pro Series, Руководство по эксплуатации продукта, Страница: 34 / 110

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Table 2.6 Sensor specifications
Gas type (abbreviation)
Part number
Nitrogen Dioxide (NO
2
) Oxygen (O
2
) Oxygen, Long-life
(O
2
)
17155306-4 17155304-3 17155304-Y
e
Properties
Category Toxic Oxygen Oxygen
Technology Electrochemical Electrochemical Electrochemical
DualSense™ capable No Yes Yes
Installation location
Ventis Pro4 3 or 4 1 or 2 1 or 2
Ventis Pro5 3 or 4 1 or 2 1 or 2
Operating conditions
Temperature range
a
-20 to +50 °C (-4 to +122 °F) -20 to +55 °C (-4 to +131 °F) -20 to +50 °C (-4 to +122 °F)
RH range
a
15-95% 5-95% 15-90%
Performance
Sensitivity
Measurement range 0-150 ppm 0-30% vol 0-30% vol
Measurement resolution 0.1 ppm 0.1% vol 0.1% vol
Accuracy
b
Calibration gas and
concentration 25 ppm NO
2
20.9% vol O
2
20.9% vol O
2
Accuracy at time and
temperature of calibration ± 5% ± 0.3% vol ± 0.5% vol
Accuracy over sensor’s
full temperature range ± 15% ± 0.8% vol ± 0.8% vol
Response Time
T50 10 s 5 s 10s
T90 20 s 15 s 15s