Tender Reference Number: Instruments/PU/SBT/SERB/AB/2021/3   Date: 15.07.2021

Sealed quotations are invited from the Enlisted Vendors of the University to quote their lowest possible rate for the supply of the under-mentioned goods/articles, subject to the following terms and conditions.

The quotations must be submitted to Dr. Avishek Banik, School of Biotechnology, Presidency University, Canal Bank Road, DG Block, Action Area 1D, Newtown, Kolkata-700156, West Bengal, India.

Last date & time for submission of quotation is 22/07/2021 up to 3:30 P.M.

Sl. No.



Approximate Quantity


Portable pH Meter/ ORP Meter

Ø Combine measurement capabilities of three testers in one convenient pocket-sized unit, should be waterproof

Ø Up to 3 point pH calibration with NIST or USA auto buffer recognition

Ø Should contain conductivity, TDS, and salinity features. All these should be auto ranging based on the concentration of the sample

Ø Redesigned leak proof cap should functions as a sample/calibration cup, hydrating cup, and stabilizing base to stand the meter upright


  • Meter Type Tester
  • Display type LCD
  • Min pH (pH) -1

· Max pH (pH) 15

· pH Resolution 0.01

· pH Accuracy ±0.01

· Buffer Recognition USA 4.01, 7.00, 10.01 and

NIST 4.01, 6.86, 9.18

  • Calibration Up to 3 points

· Min Conductivity 0 µS

· Max Conductivity 20 mS

  • Conductivity Accuracy ±1% full scale

· Min TDS 0 ppm

· Max TDS 10.0 ppt

· TDS Resolution 10 ppt

· TDS Accuracy /- 1% FS

  • Min Salinity 0.00 ppt

· Max Salinity 10.0 ppt

  • Salinity Resolution 0.01 ppt
  • Salinity Accuracy/ - 1% FS

· Min Temperature (° C)0

· Max Temperature (° C)60

· Min Temperature (° F)32

· Max Temperature (° F)140

  • Temperature Resolution 0.1°C / 0.1°F
  • Waterproof Yes
  • Battery Four AAA 1.5 V

· Battery life (hr) 150 hr.




Vortex Mixer

· Mini and compact appearance powerful function sucker type under-chassis super shockproof, ideal for high speed operation.

· Multiple mixing modes, touch-operation, continuous operation and timing set.

· Wide speed range: 0-3000rpm/min. Stable low speed, powerful high speed.

· Shaking-block convenient for replacement, stable and reliable, sturdy and durable eccentric bearing design.

· Various shaking block adapters optional.

Operation: digital Display

  • Orbit: 2mm
  • Shaking Mode: Circle

· Operation Mode: Continuous Running/Short Mix

  • Speed Range: 300-3000rpm
  • Timing Range: 1s ~ 999min
  • Voltage: DC24V
  • Power: 30W

The instrument should supplied with following accessories:

  • Standard platform to hold foam tube holder
  • Foam tube holder. For 1.5/2.0ml tubes, 20 holes.
  • Foam tube holder. For 15ml tubes, 8 holes.
  • Foam tube holder. For 50ml tubes, 4 holes



Note: a) The sealed cover should be duly superscripted with the enquiry no & date and name of the item quoted in block letter.

b) Party is requested to keep in touch in Dr. Avishek Banik (avishek.dbs@preseuniv.ac.in), Assistant Professor, School of Biotechnology, Presidency University before quoting the rate for better knowledge of specification, quality of material, etc.

c) Warranty must be mentioned in your offer for all the above items.

d) Please make sure to mention unit price and cumulative price for all items that should be inclusive of all taxes, duties and other charges as stated in point no.3 below.

Finance Officer

Terms & conditions of the Quotation:-

1. The bidder must be GST-Registered (photocopy of the GST Registration Certificate to be provided along with the quotation). Quotations of the unregistered dealers would be summarily rejected.

2. The quotations should be made by the vendors in their original letterheads clearly indicating the aforesaid goods/articles in details.

3. Price quoted should be inclusive of GST, installation, commissioning and delivery charges up to Presidency University.

4. Rate and amount of GST for each item is to be specified in the quotation.

5. DSIR Certificate would be provided to the L-1 Vendor against Proforma Invoice, if necessary, for the purpose of exemption of Customs duty / GST as per the extant Rules and Notifications.

6. Payment shall be made after successful delivery and installation of the product at the site as specified in the Purchase Order and on submission of the bill and other necessary papers duly certified by the competent authority, Presidency University. No advance payment will be made.

7. The above Rate Format is to be strictly followed. In case a bidder is unable to quote the rate against any item, the rate should remain blank for the respective Serial No. But in no case the row against the said Serial No. should be deleted by the Bidder.

8. Validity of the quotation will be at least 3(three) months from the closing date of the enquiry.

9. Sample must be attached with quotation in all possible cases.

10. Our enquiry no and date & Purchase order no. and date must be quoted on all correspondences and those should be duly signed and seal.

11. Bidders must as far as possible, arrange to supply the materials within the stipulated time mentioned in the purchase order. This delivery time must be strictly adhered to. Failure to supply within the specified time will lead to cancellation of the order without notice.

12. The University reserves the right to accept or reject any quotation in part or full without assigning any reason thereto.

13. In all cases of disputes, the decision of the University shall be final & binding on you.

By order

How to Find Us

Presidency University
(Main Campus)

86/1 College Street
Kolkata 700073

Presidency University
(2nd Campus)

Plot No. DG/02/02,
Premises No. 14-0358, Action Area-ID
New Town
(Near Biswa Bangla Convention Centre)
Contact details Presidency University Students Corner