Table 2 Features of the sensors.

From: A novel hybrid extreme learning machine-based diagnosis model for sensor node faults in aquaculture

Sensor type

Production company and model

Resolution

pH

Lei Ci E-201-C type

0.1

Water temperature

DS18B20

\(0.01^{\circ }\hbox {C}\)

Dissolved oxygen

JXSZ-1001-DOY of Jingxun Tongtong Company

0.01mg/L

Electrical conductivity

RS-EC-N01-3-10 of Jianda Renke

1us/cm

Oxidation reduction potential

Jianda Renke’s RS-ORP-N01-2-300T

1mv

Ammonia nitrogen

Jianda Renke’s RS-NHN-N01-4-10

0.01mg/L