Wireless Conductivity Sensor - PS-3210



Wirelessly measure both conductivity and dissolved solids. Highly accurate with a fast response time and featuring built-in temperature compensation.

The Wireless Conductivity Sensor measures the electrical conductivity of a water solution. Investigate the properties of solutions, perform conductometric titrations, model and measure water quality and more.

Typical Applications

Conductivity (the ability of a liquid to conduct electrical current) is one of the most common measurements in biological, chemical and environmental studies. This sensor measures the total concentration of ions in solution.

  • Water quality investigations
  • Studying the effects of pollution on water
  • Measuring Total Dissolved Solids (TDS)
  • Investigating solution properties
  • Performing conductometric titrations
  • Diffusion of ions through membranes

Special Features

  • Simplicity: just pair and go, no cables and adapters to manage
  • Variable sampling rate for capturing small fast changes or experiments that run for hours, days, or weeks.
  • Features convenient Bluetooth wireless connectivity and long-lasting coin cell battery
  • Logs conductivity data directly onto the sensor for long-term experiments. 
  • Dust, dirt and sand proof and water resistant (1 meter for 30 minutes)

Bluetooth Low Energy Wireless Connectivity

Required Software:

PASCO products that use Bluetooth® Low Energy connectivity (wireless sensors, Smart Carts, and the AirLink) require the latest versions of our software.

PASCO Capstone is available for Mac and Windows. SPARKvue is available for Mac, Windows, iOS, Android and Chromebooks.

Additionally, the Wireless Motion Sensor and Wireless Smart Carts can be connected via Bluetooth and used with our MatchGraph app.

Compatibility/System Requirements

Any current model Chromebook, Mac, iPad, iPhone, Android tablet or phone will support direct connection to PASCO Bluetooth Low Energy devices. Also, any Windows 10 device with Creators Edition 1703 or later will support direct connection.

Chromebook users MUST have the latest firmware updates for ALL wireless sensors in order to use them without the USB Bluetooth Adapter. Full information.

All other Windows computers/tablets, older Macs, and Chromebooks without updated sensor firmware currently require the PS‑3500 USB Bluetooth Adapter to connect to PASCO’s Bluetooth Low Energy devices.

Full compatibility details are available, including compatibility information for older computing devices.


Independent datalogging 

Long term data collection directly on the sensor

In logging mode wireless sensors collect data to their onboard memory for hours, days, weeks or even months at a time without needing to be connected to a computer, tablet, Chromebook or smartphone.

When the experiment is concluded, simply connect the sensor to a device running PASCO software and download all the measurements it recorded.



How It Works

Conductance is the reciprocal of resistance. In this case the Wireless Conductivity Sensor determines the conductance of an aqueous solution by measuring the current flowing through the circuit created when a voltage is applied to a 2-cell electrode submerged in the solution.

The electrode cell is constructed from insulating material embedded with pieces of platinum that are placed at a fixed distance apart and serve as sensing elements.

Because conductivity is dependent on temperature, the Wireless Conductivity Sensor has built in temperature compensation.

New Storage Option

Simplify storage & inventory

Custom Gratnells Tray for Wireless Conductivity Sensors (PS-3585)

The precision cut inserts are designed to accommodate up to 10 Wireless Temperature, pH, and/or Wireless Conductivity Sensors

See the buying guide below for details


  • 0-20,000 μS/cm
  • Not suitable for studies of marine or brackish water (typically 50,000 μS/cm or more) though such samples can be diluted and measured.
  • 0.1 µS/cm
  • ± 10% of value from 200 µS/cm to 20,000 µS/cm
  • Below 200 µS/cm: qualitative
Response time
  • 95% of final reading in 5 seconds or less
Temperature compensation
  • 0-80°C
Temperature accuracy
  • ± 0.5 C
Max sample rate
  • 10 samples per second (10 Hz)
  • Yes
  • Coin Cell
  • Expected battery life > 1 year
  • Bluetooth® Smart
International Protection Mark
  • IPX7
  • (Dust proof and water resistant to a depth up to 1 m for up to 30 minutes)
Chemical Compatibility
Max wireless range
  • 30 m (unobstructed)

Buying Guide

USB Bluetooth Adapter

Windows devices, Chromebooks and older Macs lack native Bluetooth® Smart support and require an adapter to use PASCO wireless products.

All current model Macs, iPads, iPhones, Android tablets or phones support direct connection to PASCO Bluetooth Smart devices and do not require the adapter.

Full compatibility details are available.

USB Bluetooth Adapter   PS-3500
Coin Cell Battery Pack
Coin Cell Battery Pack   PS-3504
Electrode Support

Use the Electrode Support to keep the Wireless Conductivity Sensor in place during experiments.

Electrode Support   PS-3505

Software Required

SPARKvue software or PASCO Capstone software may be used. PASCO Capstone is available for Mac and Windows. SPARKvue is available for Mac, Windows, iOS, Android and Chromebooks.

Learn more about Bluetooth Compatibility.