1. 14 Measurement and Control Datalogger Reference Brand: Campbell Scientific, CR6 Quoted products must meet or exceed the specifications listed below: a. All in one edge device and gateway with built-in connectivity b. Integrated communication options, charge regulator, and expandable storage c. Configurable universal measurement and control terminals to measure virtually any sensor or application d. Native vibrating wire measurements using VSPECT e. Designed for long term operation in extreme environments. f. Operating Temperature Range: -55° to +85°C 2. 10 Desiccant Kit Reference Brand: Campbell Scientific, 34962 Quoted products must meet or exceed the specifications listed below: a. Mounting Bracket required to hold Desiccator b. To include a backflow valve, brass filter, brass elbow, and silica gel desiccant c. Desiccant line bar fittings, ¼ inch barb fitting compatible with the ¼ air intake tubing and 1/8-inch inner diameter that connects to air intake tubing. d. Tubing ¼ inch diameter, 1.5 ft in length 3. 10 Terminal Bus Kit w/o mounting Reference Brand: Campbell Scientific, 39642 Quoted products must meet or exceed the specifications listed below: a. Serial Data interface-12 Deutsches Institute fur Normung (SDI12 DIN) rail b. 6-wire terminal blocks c. 6 DIN-rail mountable 4. 10 Water Level Continuous Flow Bubbler Reference Brand: Campbell Scientific, 34813 Quoted products must meet or exceed the specifications listed below: a. Low Idle power state for extended battery life b. High Pressure/high volume purge operation to prevent sediment buildup. c. Built in keypad/display for full setup and maintenance operation d. Simultaneous operation on the Serial Data Interface (SDI) and Modbus interface e. Air flow/bubble generation f. Pressure Range: 0 to 30 psi g. Operating Temperature Range: -40° to +60°C 5. 14 Multiband Omnidirectional Antenna Reference Brand: Campbell Scientific, 32262 Quoted products must meet or exceed the specifications listed below: a. 4G/3G cellular, outdoor/indoor antenna b. A mounting bracket for mounting the antenna to the surface water station c. Frequency peak range i. 398 to 960 MHz ii. 1710 to 2700 MHz d. 5/16-18 in x 2.215 in stainless steel U-bolt with brass nuts and stainless steel flat and lock washers. e. Operating Temperature Range: -40° to +85°C f. Maximum Input Power: 100 W
