Wireless Pressure Sensor

The Wireless Pressure Sensor is a combination wireless and USB sensor that connects to a computer or tablet device through Bluetooth, and can also connect to a computer with a USB cable (included). The sensor measures pressure in the range between 0 kilopascals (kPa) and 400 kPa (approximately four atmospheres).

Description

Make accurate and consistent measurements of gas pressure, regardless of ambient conditions, and explore how chemical reactions affect gas pressure. In combination with a temperature probe, study the Empirical Gas Laws.  Can also be used in applications that previously required our Low Pressure/Barometer sensor.

The Teaching Advantage

Measures pressure relative to an internal sealed reference vacuum, which allows the collection of reliable data even when the pressure within a system drops below ambient pressure.

Supports common units (kPa, atm, psi, mmHg, or N/m2) for many applications

Typical Applications

  • Measure transpiration rates
  • Measure osmosis and pressure changes inside a model cell
  • Measure rates of enzyme catalyzed reactions
  • Conduct weather experiments
  • Measure changes in elevation
  • Measure chemical reaction rates
  • Measure respiration rates
  • Conduct air foil studies
  • Model a human lung.
  • Study Vapor Pressure vs Temperature
  • Add a temp sensor to investigate Gas Laws (Ideal, Charles’, Boyle’s)

Special Features

  • Bluetooth® and USB connectivity with a long-lasting rechargeable battery
  • Logs pressure data directly onto the sensor for long-term experiments for activities that couldn’t be performed using sensors previously.
  • No interface required! Connects directly to your devices via Bluetooth® Smart.
  • Includes a syringe, tubing and the connectors and locks you need for an array of pressure experiments.

Includes

  • Pressure Sensor
  • 0.6m (2ft) polyurethane plastic tubing
  • Double barbed tube connector
  • Male barbed Luer lock connector (2)
  • Female barbed Luer lock connector
  • 60cc syringe
  • USB Cable (for recharging and optional direct connection)

Specifications

Range
  • 0-400 kPa
  • Useful range: 20 kPa – 400 kPa
    (Values under 20 kPa may not be reliable/accurate)
Resolution
  • 0.1 kPa
Accuracy
  • +/- 1 kPa
Max sample rate
  • 1000 samples/second via BLE or USB connection
Battery
  • Rechargeable Lithium-Polymer
  • Expected life of 3-4 months of normal use on a single charge
Logging
  • Yes
Connectivity
  • Direct USB or via Bluetooth® Smart (Bluetooth 4.0)
Max wireless range
  • 30 m (unobstructed)

 

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