Onset, a leading supplier of data loggers, has introduced the HOBO® Green Roof Monitoring System for measuring the performance of green roofs. Designed to provide reliable performance in harsh rooftop environments, Onset said the 15-channel system enables users to quickly and easily monitor green roof conditions.

Onset, a leading supplier of data loggers, announced that the company will be hosting a one-hour online training course, “Economizer Diagnostics Using Data Loggers,” on Wednesday, Dec. 12, 2012 at 2 p.m. EST.

Onset’s HOBO UX90 Series offers a low-cost, comprehensive family of “time-of-use” data loggers, with measurements including motor on/off status, electronic pulses, state changes, and occupancy and light.

The new humidity and temperature HygroLog HL-20/21 data logger expands on the company’s HygroLog family of products. The HL-20/21 is suited to a number of applications including those in critical areas such as pharmaceutical clean rooms.

The data logger TR-76Ui-H is a three-channel recorder designed to simultaneously measure and record CO2 concentration, temperature, and humidity. The model achieves a temperature measurement accuracy of ±0.3°C between 10° and 40°. The accuracy is ±0.5°C at all other temperatures.

Self-contained, the RTR-756 Wireless CO2 + Temperature + Humidity Data Logger is a flexible, real-time monitoring solution for managing CO2 levels, temperature, and humidity in schools and office buildings. The data logger features flexible recording and battery operation.