AEMC recently expanded their data logger line with two versatile models.
The L452 Process Data Logger records DC voltage, 4-20mA, events and pulse counts. Two independent channels allow users to connect many types of process sensors. The L452 is battery or USB powered and includes 32MB internal flash memory. It communicates via USB or Bluetooth for configuration & data transfer to a PC.
The CA1510 Air Quality Monitor/Logger simultaneously measures temperature, humidity and CO2 level. It complies with the latest standards for measuring ventilation system air quality and stores up to 1M readings. Recording interval is programmable from 1 minute to 2 hours. Data download is via USB or Bluetooth.