TidbiT v2 Water Temperature Data Logger, provides 12-bit resolution and has +/- 0.2 Deg C accuracy, Onset's smallest temperature data logger, Waterproof to 300 meters (1,000 feet), designed for outdoor and underwater environments
HOBO* Temperature Data Logger, records temperature in indoor environments with its integrated sensor, ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, Accuracy: +/- 0.21 C from 0 to 50 deg C
Spectrophotometer 20Nm, Bandpass Complete, With 10 Mm Test Tube Cuvettes, 10Mm Square Cuvette Adapter,USB Port, Dust Cover, User Manual Wavelength Range Of 335-1000 Nm, with round tubes