3.3.1 Product Specifications: Seal Analytical AA500 Nutrient Analyzer, operating system and accessories. Must be compatible with existing glassware and consumable inventory currently in use at the WQAL. 3.3.1.1 One (1) Three (3) Channel AA500 HR System. 3.3.1.1.1 One (1) AS2 random access sampler (includes one (1) pack of 1000 5ml sample cups). 3.3.1.1.1.1 Holds 180 samples (2 mL cups of 8 mL tubes) or 120 samples (5 mL cups or 12 mL tubes). 3.3.1.1.1.2 Sampler can access any cup at any time to enable duplicate sampling and automatic repeats of off-scale or carryover-affected samples. 3.3.1.1.1.3 Calibration and quality control standards can be taken from the same cup as often as required. 3.3.1.1.1.4 Constant inter-sample air bubble size at any cup position. 3.3.1.1.1.5 Stainless steel and PEEK sample probes for all sample types, including acidic samples. 3.3.1.1.2 One (1) AA500 pump with digital air injector, includes accessory kit. 3.3.1.1.2.1 The pump platen is able to be automatically engaged (locked onto the pump) from software to allow for unattended start-up of an analytical run. 3.3.1.1.2.2 The pump platen has software-controlled automatic disengage (release from the pump tubes) to allow complete unattended shutdown of the system, to maximize pump tube lifetime. 3.3.1.1.2.3 Capacity for 34 pump tubes plus up to 8 air supply tubes. 3.3.1.1.2.4 Can be switched to high speed for fast start-up and wash-out. 3.3.1.1.3 One (1) Chemistry multi-test manifold for analyzing nitrate+nitrite. 3.3.1.1.3.1 Hydraulic components are glass. 3.3.1.1.3.2 Mixing coils are mounted on the surface of the method cartridge for easy operator verification of correct performance. 3.3.1.1.3.3 Hydraulic component internal diameter is 2.0 mm to limit the risk of blockage from dirty samples. 3.3.1.1.4 One (1) Chemistry multi-test manifold for analyzing ammonia. 3.3.1.1.5 One (1) Chemistry multi-test manifold for analyzing ortho-phosphate, total phosphorus, and nitrite. 3.3.1.1.6 Three (3) Flowcells. 3.3.1.1.7 Three (3) LED lamps at 660nm, 630 nm, and 520 nm. 3.3.1.1.8 Four (4) Complete method documentation. 3.3.1.1.9 Three (3) Single channel high resolution digital photometers. 3.3.1.1.10 Two (2) Sets of reagent valves (5 valves per set). 3.3.1.1.11 One (1) AACE Software. 3.3.1.1.11.1 The software automatically sets the baseline and sensitivity. 3.3.1.1.11.2 The software is LIMS compatible. 3.3.1.1.11.3 The software is capable of exporting directly into Excel format. 3.3.1.1.12 One (1) System accessory kit. 3.3.1.1.13 One (1) Consumable kit, including one change of pump tubes. 3.3.1.1.14 One (1) Set of digital manuals for hardware and software. 3.3.1.1.15 High spec computer (includes 21” flat panel monitor). 3.3.1.1.16 APC Back-UPS PRO 1000VA. 3.3.1.1.17 12 month spares kit (with flowcell) for each channel. 3.3.1.1.18 On-site training and installation package, 3 days. 3.3.1.1.19 Warranty, 12 month parts and labor. 3.3.1.1.20 Freight and handling. 3.3.1.2 Alternates: Bids will be considered on units complying with the specifications. All alternates must be detailed in an attached letter to bid and the Manufacturer and Model clearly identified. Explanations must fully state what is to be furnished. All alternates must meet or exceed specifications. The City of Columbus reserves the right to determine whether any proposed alternates are within the specifications.
