TR-76Ui Wireless CO2 Data Logger

TR-7Ui Series includes USB/IR communication capable loggers for measuring not only temperature and humidity but other important environmental factors such as CO2, UV and Barometric Pressure. General Specifications Measurement Channels CO2 Concentration, Temperature, Humidity Measurement Range TR-76Ui CO2: 0 to 9999ppmTemperature: 0 to 55°CHumidity: 10 to 95%RH TR-76Ui-H (High-Precision) CO2: 0 to 9999ppmTemperature: -30 to 80°CHumidity: 0 to 99%RH Accuracy TR-76Ui CO2: ±50ppm±5% readingTemperature:  ±0.5°CHumidity: ±5%RH TR-76Ui-H (High-Precision) CO2: ±50ppm±5% reading Temperature:  ±0.3°CHumidity: ±2.5%RH LCD Display Measurements, Battery Life Warning, etc. Logging Capacity 8,000 data sets Recording Intervals 15 choices from 1 sec. to 60 min. Recording Mode Endless/Onetime Comm Interfaces USB, Serial, Infrared Warning Norifications External Contact Output Power AA Alkaline Battery x 4, AC Adaptor Operating Environment Temperature: 0 to 45°CHumidity