Multi-parameter sensor - Conductivity - temperature - depth - W-CTD

Easy to configure, the sensors are interchangeable: the CTD sensor measures conductivity/temperature/depth (4 ranges available), the CT sensor measures Conductivity/Salinity and the DO measures Dissolved Oxygen.
Simple calibration with calibration solutions and batteries are replaceable by the user.

Conductivity:
Measuring range:
- Electrical conductivity and specific conductance: 0 to 100,000 µS/cm
- Salinity with PSS-78: 2 to 42 PSU Total dissolved solids (TDS): 0 to 100,000 mg/L
Calibrated range: Electrical conductivity: 50 to 80,000 µS/cm 5° to 35°C
Accuracy:
- Conductivity: +/-2% or 15 µS/cm whichever is greater
- Salinity: +/-2% of reading or 0.1 PSU, whichever is greater
Resolution:
- Conductivity: 0.1 µS/cm from 0 to 1,000 µS/cm | 1 µS/cm from 1,000 to 10,000 µS/cm | 10 µS/cm from 10,000 to 100,000 µS/cm
- Salinity: 0.01 UPE
- TDS: 0.1 mg/L

Temperature:
Range: -20° to 50°C, frost-free water
Accuracy: ±0.15°C from 0° to 50°C
Resolution: 0.01°C at 25°
Response time: 3 minutes at 90% in water (typical)
Drift: <0.1°C per year

Depth:
- w-ctd-01: Range: 0-9 meters / Resolution: 0.21 cm
- w-ctd-02: Range: 0-30 meters / Resolution: 1.5 cm
- w-ctd-03: Scale: 0-76.5 meters / Resolution: 3.8 cm
- w-ctd-04: Scale: 0-4 meters / Resolution: 0.14 cm