Aeroqual Sulfur Dioxide (SO2) Sensor Head 0-10 ppm (ESO)
Aeroqual Sulfur Dioxide (SO2) Sensor Head 0-10 ppm (ESO)
Sulfer Dioxide (SO2) Sensor Head uses Gas Sensitive Electrochemical (GSE) technology to detect Sulfer Dioxide from 0-10 ppm at 0.01 ppm resolution and up to +/-0.05 ppm accuracy.
- SKU
- AQ ESO
Description / Aeroqual Sulfur Dioxide (SO2) Sensor Head 0-10 ppm (ESO)
This Sulfer Dioxide (SO2) Sensor Head uses Gas Sensitive Electrochemical (GSE) technology to detect Sulfer Dioxide from 0-10 ppm at 0.01 ppm resolution with <±0.05 ppm accuracy (in concentrations from 0 - 0.5 ppm) or <± 10% accuracy (in concentrations from 0.5 -10 ppm).
This sensor uses an active sensor technology with an internal fan to pull air across the GSE sensor at a specific flow rate for accurate gas detection. This fan pulls a stream of air past the sensor every 60 seconds providing a new reading of SO2 levels. This provides a 60 second response time for the sensor.
Full list of technical information and specifications for all Aeroqual sensors
Full list of Aeroqual Products
This sensor head will be a direct fit onto any Series-200, Series-300, Series-500 or Ranger Aeroqual monitor. This head can be purchased as an addition to your existing monitor, or with a new base unit. To purchase with a base unit see our Aeroqual monitor page. If you currently have an Aeroqual monitor this sensor will be a direct fit for your current monitor.
Compare the Series 300 and 500, Aeroqual Ranger monitors:
| Compare the Aeroqual handheld devices |
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| Interchangeable sensor head | Yes | Yes | Yes |
| Digital LCD Display | Yes | Yes | Yes |
| Min, Max, Average readings on screen | Yes | Yes | Yes |
| Field Replaceable Battery | Yes | Yes | Yes |
| Remote Sensor Capability | Yes | Yes | Yes |
| Temp and HR Sensor optional | Yes | Yes | Yes |
| External Control Outputs | Yes | Yes | Yes |
| Audible Alarm | Yes | Yes | Yes |
| High and Low Alarms | Yes | Yes | Yes |
| 0-5 VDC Analog output | Yes | Yes | Yes |
| Zero Calibration capability | Yes | Yes | Yes |
| Span Calibration capability | Yes | Yes | Yes |
| Internal Data Logging Capability | No | Yes | Yes |
|
PC connection cables and capability |
No | Yes |
Yes |
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Built in wi-fi connection |
No | No |
Yes |
|
Hot-Swap Service |
Yes | Yes |
Yes |
Detailed Sensor Specifications for Aeroqual ambient sensors
Sensor Type:
There are two types of Aeroqual sensors, type 1 and type 2.
The type 1 is used with the S-200, S-300, S-500, Ranger and S-900 monitors.
The type 2 is calibrated specifically with fittings on the end allowing it to be used with the ENC enclosure and in the S930

Calibration:
The Aeroqual AQ ESO sensor has a detection range of 0-10 ppm, so the calibration gas you use must fall within this range. Refer to the table below for our recommended calibration gas options.
More Information
| Manufacturer | Aeroqual |
|---|---|
| Gas | Sulfur Dioxide (SO2) |
| Sensor Type | GSE (Gas Sensitive Electrochemical) |
| Range | 0-10 ppm |
| Maximum Exposure | 20 ppm |
| Monitor sensor fits | S-200 / S-300 / S-500, Series-900 |
| Minimum Detection Limit | 0.01 ppm |
| Accuracy | <±0.05 ppm (in concentrations from 0 - 0.5 ppm) or <± 10% (in concentrations from 0.5 -10 ppm). |
| Resolution | 0.01 ppm |
| Response Time | <60 s |
| Sampling Method | Fan |
| Operational Temperature Range | 0 to 40 C |
| Operational RH Range | 10 to 95% |
| Warranty | 6 Month |





