Temperature - Conductivity Sonde
The GeoVista Temperature – Conductivity probe can be used on its own or in combination with other GeoVista sondes. This is a very useful sonde for both water quality and the evaluation of fluid movement within the borehole

Specifications:
Weight: 2.0kg /Length: 0.7m /Diameter: 38mm
Temp. sensor: Type PT100
Range: 0 to 80ºC
Accuracy: ±0.4ºC to IEC 751:1983 Class A
Cond. Range: 5 to 50,000mS/cm
Accuracy: ±1% @1000mS/cm
Max. Pressure: 20MPa
Max. Temp.: 80ºC

Water Quality Sonde with Idronaut 303 Sensors
This Geovista adapted sonde can accommodate up to 4 quick-connect Hydrolab water quality sensors.
Run time savings and positive depth correlation can be achieved by combining the sonde with other Geovista sondes.

Specifications:
Weight: 2.0 kg /Length: 0.6 m /Diameter: 43 mm
Pressure Range: 0– 200bar Accuracy: 0.05% FS Res.: 0.0015 % F.S.
Temperature Range: -1 to +50°C Accuracy: 0.005°C Res.: 0.001°C
Conductivity Range: 0 to 64 mS/cm Accuracy: 0.02mS/cm Res.: 0.001 mS/cm
D. Oxygen Range: 0 to 50ppm Accuracy: 0.1ppm Res.: 0.01 ppm
pH Range: 0 to 14pH Accuracy: 0.01 pH Res.: 0.001 pH
Redox Range: -1 to +1V Accuracy: 1 mV Res.: 0.1 mV
Nitrate Range: -0 to 100 mg/l Accuracy: ± 1 mg/l-N Resolution: 0.01 mg/l-

Water Quality Sonde with Hydrolab Minisonde Sensors
This Geovista adapted sonde can accommodate up to 4 quick-connect Hydrolab water quality sensors.
Run time savings and positive depth correlation can be achieved by combining the sonde with other Geovista sondes.

Specifications:
Dimensions: Weight: 1.0kg Length: 0.53m Diameter: 45mm
Temperature: Range: -1 to +50°C Accuracy: ± 0.10°C Resolution: 0.01°C
Salinity : Range: 0 to 70 ppt Accuracy: ± 0.2 ppt Resolution: 0.1ppt
D. Oxygen Range: 0 to 20mg/l Accuracy: ± 0.2mg/l Resolution: 0.01mg/l
Redox: Range: -999 to +999mV Accuracy: ± 20mV Resolution: 1mV
pH: Range: 0 to 14pH Accuracy: 0.2pH Resolution: 0.01pH
Nitrate: Range: 0 to 100mg/l-N Accuracy: ± 2mg/l-N (Typical) Resolution: 0.01mg/l-N
Max. Pressure: 20-30 bar except for the Nitrates sensor: 10 bar only
Max. Temp.: 80ºC