Stevens Multi-Parameter Water Quality Sensors

Stevens offers the following sensors for multi-parameter water quality measurement applications. Please click on a sensor to find out more detailed information, or on a Hydrolab parameter for more information about a particular measurement.

  Model
Parameters
RS-232 SDI-12 4-20mA Logging Size - cm
(L x D)
Size - inches
(L x D)
Multi-Parameter Sensors
Hach Hydrolab Water Quality Sensor
Hydrolab DataSonde 5 X X   X 58.4 x 8.9 23 x 3.5
Hach Hydrolab Water Quality Sensor Hydrolab DataSonde 5X X X   X 58.4 x 8.9 23 x 3.5
Hach Hydrolab Water Quality Sensor Hydrolab MiniSonde 5   X X   X 74.9 x 4.4 29.5 x 1.75
Hach Hydrolab Water Quality Sensor Hydrolab Quanta G   X   X 38.1 x 4.45 15 x 1.75
  Model
Parameters
RS-232 SDI-12 4-20mA Logging Size - cm
(L x D)
Size - inches
(L x D)
Greenspan Water Quality Sensor Greenspan CTDP 300 EC, D, T, pH X     X 50 x 6 19.7 x 2.4
Greenspan CTDP 1200 EC, D, T, pH   X     50 x 6 19.7 x 2.4

Greenspan parameter specs:

  DO DO EC-
Normalized-
25C
EC-
NonNormalized
pH TS Temperature
(T)
Pressure
(D)
Ranges 0-20ppm 200% saturated 0–60, 000 uS 0–60, 000 uS 0–14 50–2000 0–50C 0–200 meters
Linearity 0.2ppm 1% FS 0.2% FS 0.2% FS 0.1% pH 3% FS 0.2C 0.02%
Accuracy 0.3ppm – 5-35C 2% FS 0–50C 1% FS 0–35C 0.7% FS 0–50C 0.7% FS 0–50C 3% FS 0.2C 0.07% FS 0–25C