CDC401 Laboratory 4-Poles Graphite Conductivity Cell

CDC401 Laboratory 4-Poles Graphite Conductivity Cell

Firstly, the HQ40D Multi Meter, is a portable two channel multi meter for pH, ORP, conductivity, TDS, Resistivity, Salinity, LDO and ISE. It is a basic instrument without electrodes.
As well as this, the digital meter/electrode system combines reliability, flexibility and ease of use. Additionally, interchangeable intellical electrodes are recognised automatically and store all relevant data.

Finally, for more information on the  HACH HQ40D Multi Meter Click here.

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Firstly, CDC401 Intellical™ is a digital, graphite, 4-pole conductivity cell with a temperature sensor. The standard version is available with a 3 or 1 m cable and is usually for laboratory use. The CDC401, is ideal for measuring electrical conductivity, salinity, resistivity, or total dissolved solids (TDS) in wastewater, drinking water, or general water quality applications.


  • Intellical™ digital probes provide ultimate traceability in conductivity measurement history
  • Conductivity probes alerts the user when due re-calibration
  • Digital conductivity probes can easily move between meters without the need to re-calibrate or re-enter measurement settings

Finally, for more information on the  HACH CDC401 Click here.

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Short Code



Cond: ±0.5% of range
Salinity: ±0.1, ±1 digit
TDS: ±0.5% ±1 digit

Cable Length

1 m (3.28 ft), 3 m (9.84 ft)

Dimensions (D x L)

15 mm x 184 mm (7.24 in.)

Electrode Type

Conductivity Cell;
4 Poles – Graphite


184 mm (7.24 in.)



Probe Type



Conductivity: 0.0 µS/cm – 200 mS/cm
TDS: 0.00 mg/L – 50.0 g/L as NaCl
Salinity: 0 – 42 ppt or ‰
Resistivity: 2.5 Ωcm – 49 MΩcm


0.01/0.1 (5 digits max.)

Sample Depth

45 mm (1.77 in.)

Sensor Material


Sensor Type

4-poles conductivity probe, Graphite, k = 0.40 cm-1

Temperature Accuracy

±0.3 °C (±0.54 °F)

Temperature Range

-10 – 110 °C (14 – 230 °F)

Temperature Resolution

0.1 °C (0.18 °F)




0.1 kg