Table 3.

Main specification and warning range of aquatic sensors.

Sensors	Measuring Range	Measuring Accuracy	Operating Temperature	Warning Range
Temperature	−55–125 °C	±0.5 °C @ −10–85 °C	−55–125 °C	≤0 °C or ≥40
pH	0–14	±0.1 @ 25 °C	0–60 °C	<6.5 or >8.5
DO	0–20 mg/L	NA	0–50 °C	≤6 mg/L
EC	0–20 mS/cm	±5% F.S.	0–40 °C	≥5 mS/cm