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 by that factor to determine sample conductivity. (10:1 demineralized to salt water solution is a good start).
- 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 & 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 »
Dedicated Datalogging with SPARK LXi
Consider an all-in-one, touchscreen data collection, graphing, and analysis tool for students. Designed for use with wired and wireless sensors, the SPARK LXi Datalogger simultaneously accommodates up to five wireless sensors and includes two ports for blue PASPORT sensors. It features an interactive, icon-based user interface within a shock-absorbing case and arrives packaged with SPARKvue, MatchGraph!, and Spectrometry software for interactive data collection and analysis. It can additionally connect via Bluetooth to the following interfaces: AirLink, SPARKlink Air, and 550 Universal Interface.
|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 more activities.
Use a conductivity sensor to determine if an unknown substance is an ionic, polar covalent, or non-polar covalent compound based on its physical properties.
Students use a pH sensor, conductivity sensor, and temperature sensor to collect evidence that supports their conclusion about whether a chemical or physical change has occurred.
Students use a conductivity sensor to measure the effect of cell size on solute diffusion rate using agarose-salt cubes.
Students use a temperature and conductivity sensor to investigate the driving forces behind ocean currents.
In this lab, students use a drop counter, conductivity sensor, and a temperature sensor to determine the concentration of dissolved ions by titration.
In this lab, students use a conductivity sensor and the mass of a dissolved solute to determine the saturation concentration of a compound.
|PS-3210 Wireless Conductivity Sensor Manual||English||378.08 KB|