"micro tube racks"

Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates.

Simple and easy to use design.

The HOBO® water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain.

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A rugged, general-purpose temperature sensor that students can use to monitor temperature.

A general-purpose pH sensor used to monitor pH of aqueous solutions.

The Go Direct Radiation Monitor detects alpha, beta, gamma, and X-ray radiation.

The Pressure sensor 400 is the optimal sensor for conducting physical and analytical chemistry experiments, such as approximating the adiabatic expansion of a gas, Charles' law experiments, and ideal gas law investigations. It measures absolute pressures from 0 to 400 kPa and operates with excellent accuracy over a wide temperature range. The robust metal fittings allow for a tight, leakproof seal to reaction apparatus.

Measuring the temperature of a distillation has never been safer-your students can conduct an experiment within the laboratory fume hood while collecting data at their lab station.

Measures the Psycho-Galvanic Reflex.

The Go Direct Motion Detector uses ultrasound to measure the position, velocity, and acceleration of moving objects.