Go Direct* 3-Axis Magnetic Field Sensor, allows you to determine the magnitude and direction of the magnetic field at any point in space, Measurement range: +/-5 Mt, Operating temperature: -40 deg C to 85 deg C, Dimensions: 19x12.2x0.7 cm, Factory-calibrated
Bluetooth connection device, Neulog, with built-in battery, lets you connect any sensor to a iPhone, Droid, PC, Mac, or Chromebook Device, Allows of 1-5 sensor connectivity, Fast, easy, seamless connection, real time streaming of data, setting experiments
HOBO* Probe Temperature Data Logger, Food-grade 316 Series Stainless Steel, High-accuracy, extended temperature range, Suitable for high pressure applications to 2200psi, Fast readout via direct USB interface, Size: 5 inch
HOBO* Water Level Data Logger, low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments, 0.1% measurement accuracy, Depths up to 100 feet
Go Wireless* Exercise Heart Rate, Recommended for College, High School, and Middle School Science, excellent hands-free option for continuously monitoring heart rate before, during, and after exercise or while a person is stationary