HOBO* pH and Temperature Data Logger with Bluetooth Low Energy, Designed for long-term monitoring of pH in aquatic systems, can be deployed in both fresh and saltwater environments, Accuracy of +/-0.10 pH units within +/-10 DEG C of temperature
InTemp* Bluetooth Low Energy Temperature Data Logger, With 2m Temperature Probe, Logger Operating Range: -30 to 70 deg C, Transmission Range: Approximately 30.5 m (100 ft) line-of-sight, Battery Type Two AAA 1.5 V
InTemp* Bluetooth Low Energy Ambient Temperature Data Logger, Easy-to-read display with current and daily min/max temperatures, Battery Type: Two AAA 1.5 V alkaline or lithium batteries, user replaceable, Range: -
Go Direct* Temperature Probe, is a rugged, general-purpose temperature sensor that students can use to monitor temperature, Temperature range: -40 to 125 deg C, Handle temperature range: -10 to 45 deg C, Resolution: 0.07 deg C, Connections: Wireless Bluetooth, Wired USB
Go Direct* Electrode Amplifier, is a mV and pH amplifier that connects to Vernier electrodes and compatible third-party BNC electrodes, Specifications: Units: pH or mV, Input range (mV): +/-1000 mV, Input range: 0 to 14 pH, Connections: Wireless Bluetooth, Wired: USB
Go Direct* Colorimeter, measures absorbance or transmittance of a liquid sample, Specifications: Range: 0 to 3 (absorbance), Useful range: 0.05 to 1.0 (absorbance), 90% to 10% transmittance (%T), Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm, Connections: Bluetooth, USB
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