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Table 1 Sensor characteristics

From: An automatic system for continuous monitoring of CO2, H2S, SO2and meteorological parameters in the atmosphere of volcanic areas

Specific characteristics for the H 2 S electrochemical sensor

Model number

BSO119

Resolution

0.1 ppm

Range of measurement

0–50 ppm

Temperature coefficient

± 0.3% signal °C-1

Specific characteristics for the SO 2 electrochemical sensor

Model number

BSO 1 1 1

Resolution

0.1 ppm

Range of measurement

0–20 ppm

Temperature coefficient

± 0.1% signal °C-1

Specific characteristics for the CO 2 sensor. The sensing element is an infrared spectrophotometer

Model number

BSO 103

Resolution

10 ppm

Range of measurement

0–3000 ppm

Zero drift

0.1% full scale °C-1

Power consumption

250 mA