"hobo data logger"

This HOBO Water Temp Pro v2 is durable with 12-bit resolution. Complete with a precision sensor for ±0.2 °C accuracy, this logger measures temperatures between −40 to 70 °C (−40 to 158 °F) in air and up to 50 °C (122 °F) in water.

This logger supports up to four external sensors to record parameters like temp, current, etc.

This data logger measures and transmits temperature, relative humidity and light intensity data wirelessly.

A high-accuracy, easy-to-deploy data logger that measures and records the power and energy consumption of 120 V plug loads from office equipment, vending machines, and other devices.

The HOBO MX2203 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your iOS or Android mobile device.

The MX2306 (470350-966) and MX2307 (470350-970) are low-cost, fully integrated soil moisture loggers with convenient bluetooth wireless data offload.

The HOBO MX2201 waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature measurements straight to your iOS or Android mobile device.

The HOBO MX2302 features external temperature and relative humidity sensors on a 2 m cable.

This precision, self-contained data logger is ideal for measuring concentrations of oxygen in lakes, streams, rivers, estuaries, and coastal waters.

The HOBO MX2501 pH and Temperature Data Logger is designed for long-term monitoring of pH in estuaries, lakes, streams, rivers, and oceans.