Nit No . 17 ( 20-21 ) /Cwa ( Wns ) Ii Hp Procurement Of Bottle Top Digital Burette ( Capacity 50Ml ) For Analytical Titrations And Digital Bottle Top Acid Dispensers For S . T . P . Lab . Keshopur Under Cwa ( Wns ) -Ii . , Haiderpur Water Works-Delhi
TDR : 27465362
Tender Notice
BOQ
Expired
Haiderpur Water Works
Delhi
Nit No . 17 ( 20-21 ) /Cwa ( Wns ) Ii Hp Procurement Of Bottle Top Digital Burette ( Capacity 50Ml ) For Analytical Titrations And Digital Bottle Top Acid Dispensers For S . T . P . Lab . Keshopur Under Cwa ( Wns ) -Ii .
Name of Work: Procurement of Bottle Top Digital Burette (Capacity 50mL) for Analytical Titrations & Digital Bottle Top acid dispensers for S.T.P. Lab. Keshopur under CWA (W&S)-II.
Sl.No.
Item Description
Item Code / Make
Quantity
Units
1
1.01
BOTTLE TOP DIGITAL BURETTE (CAPACITY 50ML) FOR ANALYTICAL TITRATIONS\nSystematic Error: Precise Titration With the error Limits of Class A; = 0.05% at nominal Volume. Random Error: =0.02% at nominal volume\nRefilling of the Burette should be quick, so that no much interruption is caused in the application.\nFunctions: Should have Separate buttons for ON/OFF and Pause. Easy and user friendly titration operation (hand wheel action or touch screen icons), for Fast, Medium or Drop Wise Titration.\nDisplay: a) The instrument should have a big and user friendly display, to provide ease in Titration application and good readability to record end points. b) Digital Display is Continuous with a display from 0 to 99.99 ml c) Resolution is =5 µL d) Zero Reset of display by press of a Button / Screen Icon e) The instrument must have an inbuilt rechargeable battery, which should have a good capacity for uninterrupted performance. The instrument must also have an inbuilt memory option, for saving the previous end point. f) Batteries and electronic circuits are totally concealed to prevent any corrosion.\nPhoto Sensitive Titrations: Should have Clear/ amber- (Inspection window Provision For light-sensitive media titration.\nDispensing Tube: Should have Adjustable dispensing tube in both horizontal and vertical directions.\nFilling Tube: Should have Telescopic filling tube to adjust the length depending on the depth of the bottle.\nOptional Drying Tube: Optional drying tube connection provision for hygroscopic reagents.\nWarranty: The instrument must be supplied with a warranty of 2 years.\nPerformance Certificate: (a) Should Supply with Calibration certificate for each individual instrument with identification number. (b) Easy calibration facility, pictorial description provided in the manual supplied with the instrument.\nAccessories: (a) Instrument supplied with an operating and maintenance manual with clear pictorial description of all the operations like setting up the instrument, getting started, operational limits and exclusions, user safety, calibration of the instrument and the spare parts with part numbers. (b) Bottle neck adapters of sizes 28, 30, 32, 38, 40 and 45 mm must be provided along with the Burette for fitment with different reagent bottles.\nBattery: a) Supplied with 2 x AAA/ UM4/ LR03 / Li-ion (18.8 V) batteries and can be replaced easily without any change in accuracy or calibration.\nMake : Sartorius, Brand, Eppendorf, Borosil, microlit.\n
item1
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Nos.
2
2.01
Technical Specifications: DIGITAL BOTTLE TOP ACID DISPENSERS\nErgonomic design. Robust and smooth during operation. \nHigh chemical compatibility. \nFully autoclavable at 121°C, 15 psi for 10-15 mins. \nVolume change with Easy Knob™ that allows 180° rotation for easy and effortless volume setting. \nRecirculation valve which prevents the loss of reagents during purging by re-directing the liquid into the mounted bottle and facilitate bubble free dispensing.\nEasy dispensing with Flexi Nozzle™. \nAdapter allowing 360° rotation flexibility. \nSpringless Valve™, made up of PTFE to ensure high chemical compatibility and jamming free functioning. \nSix adapters (28 mm, 30mm, 32 mm, 38 mm, 40 mm, 45mm) to fit most of the laboratory reagent bottles. \nInstrument is supplied with NABL / ISO 17025 calibration certificate. \nManufacturer has ISO: 9001, ISO: 13485 and ISO: 17025 certificate. \nFree replacement warranty of two years against any manufacturing defect from the date of invoice is provided. \nAvailable volume ranges: 0.25-2.5 mL, 0.5-5 mL, 1-10 mL, 2.5-30 mL, 5-60 mL & 10-100 mL. \nMake : Sartorius, Brand, Thermo scientific, Borosil, microlit, Glassco.\n
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