The State of Minnesota Department of Natural Resources (DNR) intends to purchase a NEW Li-Cor, Smart Chamber, Model 8200-01S, No substitute as this item is compatible with current equipment, with the following specifications: Specifications General 1. Bowl Diameter: 20 cm 2. Chamber Volume: 4244.1 cm3 3. Soil Area: 317.8 cm2 4. Weight (including battery): 4.3 kg 5. Memory: 8 GB total non-volatile (includes operating system and user data files) 6. GPS: Accuracy 2.5 m CEP 7. Operating Temperature Range: –20 to 50 °C 8. Air Temperature Thermistor: 9. Operating Range: –20 to 70 °C 10. Accuracy: ±0.5 °C over 0 °C to 70 °C 11. Barometric Pressure Sensor: 12. Operating Range: 50 to 110 kPa 13. Accuracy: ±0.4 kPa 14. Resolution: 1.5 Pa Typical Power 1. Power Out: 10 to 17 VDC battery, unregulated, self-resetting fused, 2 A 2. Battery: 4S Li-Ion, 98 Wh, Smart-Battery with protection 3. Battery Life: 4. 34 hours use; 2 batteries, 17 hours per battery (2 minutes per collar active time, and 20 collars total per hour). 5. 20 hours use; 2 batteries 10 hours per battery (above use case, and including powering LI-870 CO2/H2O Analyzer). Communication 1. Wi-Fi Compatibility: 2.4 GHz, 802.11a/b/g/n/ac 2. SDI-12 Interface: Intended for connecting Stevens HydraProbe for soil moisture and temperature (included) 3. Connectivity Ports: 4. USB-A: One sealed and strain-relieved for connection to LI-870 CO2/H2O Analyzer 5. USB-B: One sealed and strain-relieved for connection to non-LI-COR gas analyzers 6. RJ-45 Ethernet: One sealed and strain-relieved for connection to LI-COR Trace Gas Analyzers 7. USB-A: One standard for connection to external Wi-Fi adapter 8. Thermocouple Port: Intended for measuring soil temperature, using 6000-09TC (not included, optional) 9. Cable Length: 10. 1.2 m or 2 m (Ethernet, for LI-COR Trace Gas Analyzers) 11. 1.2 m (USB-B, LI-870 Power for LI-870 CO2/H2O Analyzer)