This waterproof sensor connects via Bluetooth® to measure both conductivity (ionic content in solution) and total dissolved solids.
- 1x Coin cell battery
See the Buying Guide for this item's required, recommended, and additional accessories.
The Wireless Conductivity Sensor measures the electrical conductivity of an aqueous solution. It is ideal for investigating the properties of solutions, including total dissolved solids (TDS) for water quality inquiry. Because it is temperature compensated, calibrations are less frequent and can be applied across a range of temperatures. With a range of 0 to 20,000 μS/cm, this sensor can be utilized for chemical, biological, and environmental studies.
Teacher tip: To measure brackish or marine samples, perform a dilution until the measurement falls within the range, then multiply to determine sample conductivity.
- Measure conductivity and total dissolved solids
- Automatic temperature compensation
- Battery life >1 year
- Remote logging with built-in memory
- Dust-proof, sand-proof, and water-resistant (1 meter for 30 minutes)
- Water quality investigations
- Performing condumetric titrations
- Investigating solution properties
- Diffusion of ions through membranes
- Differences between ionic and molecular compounds
- Comparing strong and weak acids
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 with embedded with pieces of platinum that are placed at a fixed distance apart to serve as sensing elements. Because conductivity is dependent on temperature, the Wireless Conductivity Sensor includes a built-in temperature compensation.
- 1x Coin cell battery
|Range||0 to 20,000 μS/cm (0 to 10,000 mg/L TDS)|
|Accuracy from 200 µS/cm to 20,000 µS/cm||± 10% of value|
|Accuracy below 200 µS/cm||qualitative|
|Response time||95% of final reading in 5 seconds or less|
|Probe Environmental Tolerance (Min-Max)||0-80°C|
|Probe Material||The probe is composed of 300 series stainless steel and glass filled polypropylene|
|Waterproof||IP-X7 rated (1m for 30min)|
Battery and Logging
|Stored Data Points Memory (Logging) 1||>35,000|
|Battery - Connected (Data Collection Mode) 2||>195 hr (2-3yrs of normal classroom use)|
|Battery - Logging (Data Logging Mode) 3||>3 days|
1 Minimum # of data points with all measurements enabled, actual results depend on enabled measurements.
2 Continuous use in a connected state until battery failure, actual results will depend on sample rate, active measurements, and battery condition.
3 Logging until battery failure, actual results will depend on sample rate, active measurements, and battery condition.
* Normal classroom use is the sensor in active use for 20min/lab for 120 lab periods/yr.
This product requires PASCO software for data collection and analysis. We recommend the following option(s). For more information on which is right for your classroom, see our Software Comparison: SPARKvue vs. Capstone »
This product can connect directly to your computer or device with the following technologies. No Interface required. See the following guide for details regarding device compatibility: Wireless Bluetooth Product Compatibility »
|Coin Cell Battery Pack||PS-3504||$10|
|USB Bluetooth Adapter||PS-3500||$14|
Perform the following experiments and more with the Wireless Conductivity Sensor.
Visit PASCO's Experiment Library to view all activities for this product.
What happens to atoms in a chemical equation?
In this lab, students use a conductivity sensor to determine if an unknown substance is an ionic, polar covalent, or non-polar covalent compound.
How do density differences help to drive ocean currents? What role do temperature and salinity play in the density of ocean water?
In this lab, students use a water quality sensor, turbidity sensor, and weather/anemometer sensor to monitor the pH, dissolved oxygen content, conductivity, and turbidity of a natural body of water. Students will use their data...
How can we differentiate the types of bonds in chemical compounds?
In this lab, students use temperature, pH, and conductivity sensors to explore chemical and physical changes and analyze them for ambiguity. This lab helps students improve their understanding of sensors and representing reactions...
|PS-3210 Wireless Conductivity Sensor Manual||English||378.08 KB|