We are looking to purchase six multiparameter sondes, one of which has a reduced set of probes, and one hand held display. Five multiparameter sondes that meet the following specifications: " At least a 2 year warranty " Less than 3 in. multiparameter sonde with o Internal (embedded) memory o Field deployable-unattended sampling (powered from batteries) o Calibration cup, sensor guard o USB data transfer o Centralized wiper system (not individual wiper for each sensor) o Battery pack capable of extended deployments (aprox. monthly interval) " Sensors o Temperature o Conductivity o pH - refillable/rebuildable reference sensor for low ionic strength waters o Optical Dissolved Oxygen o Turbidity o Depth (to 10 m) One multiparameter sonde that meets the following specifications: " At least a 2 year warranty " Less than 2 in. multiparameter sonde with o Internal (embedded) memory o Field deployable-unattended sampling (powered from batteries) o Calibration cup, sensor guard o USB data transfer o Battery pack capable of extended deployments (aprox. monthly interval) o Wiper not needed " Sensor o Temperature o pH - refillable/rebuildable reference sensor for low ionic strength waters o expandable to include additional sensors One hand held display unit that meets the following specifications: " Hand held display o Waterproof/resistant housing o Windows based operating system o Expandable memory (SD card etc) o Rechargeable battery with car power adapter o USB and RS232 port o Communication cable (5 ft) This is the 15 day pre-solicitation notice, from there a 30 day solicitation may be issued with all attachments, scope of work and etc... At that time you will be able to submit your quote via, Mail, FedEx or hand delivery. Fax nor email quotes will be accepted. The project will be quoted in accordance with the RFQ to be issued. The lowest quote that meets the specifications will be awarded to. If you have questions: please call 540-999-3500 ext: 3574 or [email protected]

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