Aeroqual - S500 (OZU 0-0.15)

General Description

The Aeroqual Series 500 handheld monitor can be used with a wide range of gas sensor heads. The sensor head used in this AQ-SPEC evaluation is the ozone OZU 0-0.15 ppm sensor head.

Principle of Operation

The device uses a sensitive metal oxide semiconductor that relies on the conductance of heated tungstic oxide (WO₃). In the presence of ozone, surface conductance of WO₃ decreases. Changes in the conductance are calibrated to measure ozone concentrations. During a "flow" state the sensor responds to incoming ozone the sensor conductance decreases. The ozone measurement is proportional to the sensor conductance difference between a no-flow and flow states.

Features

• Dimensions: 195 x 122 x 54 mm
• Weight: <460 g
• Battery: Yes (Lithium 11.1V)
• Power supply: Yes (12V DC (power adaptor/charger supplied 100-
  250V AC)
• Sensor lifetime: N/A
• Clock function: Yes (Real time)
• Sampling mechanism: Fan
• Environmental operating conditions: Temp: -40°C to 124°C; RH: 0 to 100%
• Internal data logging: Yes (8188 total data points)
• PC data logging: Yes (with provided Aeroqual software + cable)
• Communications: monitor to USB cable
• Weatherproof: No

Applications

• Source and leak detection
• Process control
• Health and safety monitoring
• Indoor air quality

Manufacturer's product webpage