TATA INSTITUTE OF FUNDAMENTAL RESEARCH
Homi Bhabha Road, Colaba, Mumbai – 400 005.
A Deemed University
Telephone
Purchase Fax
Website
: +91-22-2278 2316/2886/2887/2888
: +91-22-2280 4566
: www.tifr.res.in
PUBLIC TENDER NO.
DUE DATE
COST OF TENDER
Email : psmurthy@tifr.res.in
: sheela@tifr.res.in
: madhuram@tifr.res.in
: mayraj@tifr.res.in
: TFR/PD/IC8-153/PUB
: 20.11.2008
: Rs. 500/-
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DESCRIPTION OF MATERIAL
Varibale Temperature Insert with 14T Magnet
As per our technical specifications.
… 1 No.
------------------------------------------------------------------------------------Closing time and date
: 13.00 Hours on 20.11.2008
Tender will be open at
: 14.00 Hours on 20.11.2008
Tender to be submitted within the due date and time.
Please see attached sheet for conditions of tender.
P. S. MURTHY
Purchase Officer
Ref.: TFR/PD/IC8-153/PUB
Variable Temperature Insert
IMPORTANT: This VTI has to be compatible for the full functionality of an Oxford Instruments one
Shot He3 insert VT50.
http://www.oxinst.com/wps/wcm/connect/Oxford+Instruments/Products/Low+Temp+&+
Magnetic+Sample+Environment/Heliox+VT/HelioxVT
Details of the insert measurements for compatibility with the VTI will be provided via
email: deshmukh@tifr.res.in
1. VTI variable temperature insert
Dynamic (Helium gas flowing in the sample space) VTI
Base temperature 1.5 K.
Maximum temperature 300 K.
Temperature continuously variable from base to maximum.
Temperature stability ±0.1 K over 10 min using an ITC temperature controller.
Sample space diameter 49 mm.
IVC tail outer diameter 76 mm.
Auto needle valve drive for helium flow control with temperature sensor and
heater fitted to needle valve body
Calibrated Cernox sensor and heater fitted to heat exchanger
Temperature sensor and heater fitted to needle valve body
Necessary spares
Baffle stick
2 Vapour Shielded Dewar:
Helium can tail diameter designed to suit magnet up to 17T
Usable liquid helium volume, excluding tail and without insert fitted nominally
60 litres
Dewar height from ground level to top flange approximately 1680mm
Liquid helium consumption:
Dewar fitted with baffle set: <450cc/hr
Dewar fitted with MSS, Magnet & VTI insert: <545cc/hr
Magnet support system including:
Fixed vapour cooled magnet current leads.
Cryogenic services.
Manually operated lambda point refrigerator.
2a: please quote for a dewar with similar specifications as described
above in line item 2 but with
Superinulation for reduced helium boiloff. This is an option
liquid nitrogen shielded low loss dewar`(suitable for magnets up to 17T)
140 mm central neck diameter.
Usable LHe volume, approx. 70 litres.
Liquid helium consumption with insert fitted approx. 350 cc/hr (static, with
zero flow through insert)
LN2 volume approx. 66 litres.
LN2 consumption less than 470 cm3/hr.
3. Magnet
77mm bore 14/16T superconducting magnet
16 T at 2.2 K, 14 T at 4.2 K guaranteed field or better
Homogeneity (0.1% over a 10mm dsv)
Magnet cold bore 77 mm diameter
Operating current approximately 120 A
Fitted with superconducting switch
Stability in persistent mode 1 part in 104/hr
10 V resistor/diode protection circuit
4. Magnet Power supply
superconducting magnet bipolar power supply
± 120 A output current.
± 10 V output voltage.
Current setting to 1 mA from the front panel, 0.1 mA via the computer
interface.
Bipolar operation.
Current stability of ± 3 mA/°C.
RS232 and IEEE interfaces.
Switch heater control.
Digital display of field or current as required.
Auto rundown facility.
Instrument case and 6 m current leads
Operating voltage - 1 ph, 120-240 Vac, 50/60 Hz
5. Temperature Controller for VTI:
3 channel input
4½ digit display
IEEE488 and RS232 interfaces
Standard calibration curves built-in
Auto-ranging
Auto-PID setting
Software for data-logging and range handling
Ability to control auto needle valves
Appropriate rack mounting software and cables
Operating voltage - 1 ph, 120-240 Vac, 50/60 Hz
6. Liquid cryogen probes as required for proper functioning of the
equipment
Appropriate electronics and alarms
Operating voltage - 1 ph, 120-240 Vac, 50/60 Hz
7. VTI sample space pump:
6.1 PU100 Pumping system for VTI:
40 m3/hr oil filled rotary vane pump.
Base pressure 1 mbar.
3.5 m flexible pumping line.
Valve and fittings
Operating voltage - 3 ph, 230-460 Vac, 50/60 Hz
8. List of customers who have used a 14T magnet and VTI supplied by
the company is essential and needs to be provided along with contact
information phone. The party quoting for this system has to have
fabricated and sold atleast five 14T/16T magnet systems before this
order.
9. List of customers in India to be provided
TATA INSTITUTE OF FUNDAMENTAL RESEARCH
Homi Bhabha Road, Colaba, Mumbai – 400 005
(A DEEMED UNIVERSITY)
Terms and Conditions
1. Offer should be on the basis of Ex-works, duly packed airworthy.
2. The amount of agency commission (percentage) payable to the local Indian
Agents, if any, should be stated in the Commercial Offer. This will have to be
deducted from the Export invoice of the foreign supplier and will be paid in rupee
currency.
3. Tender Forms can be obtained from the Purchase Section on payment of the
tender fees (non-refundable) of Rs.500/- by cash/Demand Draft in favour of Tata
Institute of Fundamental Research, Mumbai, to the cashier, Accounts Department
on any working day between 11.00 a.m. to 12.30 p.m. and 1.00 p.m. to 3.00 p.m.
4. The firm who wishes to download the specifications, terms and conditions may do
so. While submitting the quotation, a DD of Rs.500/- for each tender drawn in
favour of Tata Institute of Fundamental Research, Mumbai may please be
enclosed along with Technical Bid. Foreign Suppliers prepare advance cheque
for US$100/-.
5. Quotations must be valid for a period of 90 days from the date of opening of the
commercial bid.
6. Tenders shall be submitted in sealed envelopes duly superscribed with the Tender
Enquiry Number and the due date in bold letters addressed to the Purchase
Officer, Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba,
Mumbai - 400 005. Tenders sent by hand delivery may be deposited in the
Tender Box kept at the Main Gate after obtaining stamp, date and signature of the
Security Officer before 1300 hrs on the due date specified. Tenders will be
opened in the presence of attending tenderers on the due date at 14.00 hrs on the
same day.
7. Tenders containing correction, overwriting will not be considered.
8. Tenders which do not comply with the above conditions are liable to be rejected.
9. If equipment offered is to be imported, arrangements for import will be made by
us.
10. The Institute shall be under no obligation to accept the lowest or any other tender
received in response to this tender notice and shall be entitled to reject any tender
without assigning any reason whatsoever.
11. We reserve the right to place the order for part/reduced quantity than what is
specified in the tender.
PURCHASE OFFICER