NIT No. 13(22-23)/CWA(WnS)II/Item No. 01

Digital Burette (Make : Brand/Thermo Fisher Scientific/Microlit/VALP) Specification : Equipment Type : Portable, Group : Misc, Analysis : Water/Waste water, Purpose : Volumetric Titration, Scope : Central/Zonal/Plant Lab., Principle : Titration The burette will be electronic type and will have two components: 1. Bottle top burette 2. Touch screen control panel The burette will be constructed with chemical resistant material, the burette will be provided with amber colored window on demand to perform light sensitive media titration, the burette should have adjustable dispensing tube in both horizontal & vertical directions, burette should have telescopic filing tube. Technical Specification: Motor controlled piston movement, speed modes: Fast, Medium & Slow to control dispensing speeds, bottle top burette should be able to dispense a droplet as small as 0.01 mL to ensure highly accurate end point, re-circulation mode that allows quick purging, one touch filing operation & refilling should be done without change in on-screening reading. Capacity : 50 mL, Increment : 0.01 mL, error Limits of class A:≤0.1% at nominal volume, Random Error :≤0..02% at nominal volume Technical Specifications of Touch screen control panel base unit: Monochromatic or colored touch screen TFT display, Interactive Graphical User Interface, Have buttons like: Titrate, Fill, Stop, Purge & Tare (Zero Reset), ON/OFF button. Panel should have rechargeable batteries present in a separate entity than the bottle top burette having the piston system arrangement, Memory: 20 Readings & quick recall features to show the last titration reading on the display screen. Connectivity: panel can be connected with computer with micro USB cable. Deliverable: instrument should be supplied with an operation manual with clear pictorial description of all the operations like setting up the instrument, getting started, operational limits & exclusions, maintenance & calibration of the instrument etc. b) a set of 05 adapters of the sizes: 28 mm, 32 mm, 38 mm, 40 mm & 45 mm c) A hand held stylus d) Micro USB Cable Warranty : 02 years The instrument should be supplied with calibration certificate for each individual instrument with identification number.

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