Request for urgent offer of power and data cable- 7 conducto |
| 02-08 04:38:43 来源： 作者： |
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Request for urgent offer of power and data cable- 7 conducto Inquiry (采购产品): Request for urgent offer of power and data cable- 7 conductors, teflon insulated, steel armored Dear Sir, We would appreciate your offer for an immediate supply of a marine power and data transmission cable with the technical specifications (or equivalent/better ) detailed further below, to be used for connection from an underwater Teledyne RDI ADCP wave gauge in 30m water depth on sea bottom to an offshore platform located computer. Your prompt offer is very much appreciated. Please include in the offer details on: Technical specs, delivery package weight and dimensions (to be sent via air freight), price FOB, terms of payment, delivery time from order. One of the major requirements is the Teflon insulation of the conductors, the other the armor of the cable by galvanized steel or stainless steel. Please send your offer via email/fax as detailed further below. With many thanks in advance, Dov TECHNICAL DATA for the armored data and power supply cable (50V operational). Cable Length – 2 X 250 m, rolled on separate wooden drums (total 500m length) (mm) (inches) CONDUCTORS: – 7 .97 .038 #20 AWG, 7/.0126" Bare Cu INSULATION:– Dual Pass 2.16 0.95 .0235" Wall TEFLON/TEFZEL CORE: 6.30 .248 6 insulated cdrs around 1 With fillers as necessary Voids filled with free-stripping semiconductive material. Semiconductive tape over core. ARMOR: Spec. Galv. IPS Inner: 18/.047" wire 8.69 .342 Outer: 18/.065" wire 11.99 .472 CABLE CHARACTERISTICS: Metric English Nominal AT 20deg Celsius Physical Overall Dimensions 11.99 mm .472 in Wt. in Air 586 kg/km 394 lb/kft Wt. in Freshwater 493 kg/km 331 lb/kft Temperature rating, normal 246 deg C 475 deg F Intermitent 260 deg C 500 deg F Mechanical Breaking strength 98.7 kN 22,200 lbf Working load 38.3 kN 8,600 lbf Bend Diameter 66 cm 26 in Elongation (approx.) .18 m/km/kN .8 ft/kft/klbf ELECTRICAL Voltage Rating 1,000 Vdc 1,000 Vdc Insulation Resistance @ 500 Vdc 15,000 Mohm km 50,000 Mohm kft dc resistance cdr 32.8 Ohm/km 10.0 Ohm/kft armor 3.6 Ohm/km 1.1 Ohm/kft Capacitance @ 1 kHz (cdr –armor) 148 pF/m 45 pF/ft Velocity of propagation @ 1 MHz 65% 65% ________________________________________ Dov S. Rosen Head, Department of Marine Geology and Coastal Processes, Israel Oceanographic & Limnological Research, National Institute of Oceanography Address: Tel Shikmona, POB 8030, Haifa 31080, ISRAEL Tel:(direct) (+972)-4-856-5241 ,(switchboard) (+972)-4-851-5202 ; Fax: (+972)-4-851-1911, emails: rosen@ocean.org.il, rosenssr@netvision.net.il, Internet: http://www.ocean.org.il, MOBILE TELEPHONES: +972-52-284-4174; +972-50-727-0867. Programme Coordinator and Chairman, Joint CIESM & IOC/UNESCO Group of Experts on MedGLOSS, National contact to ICG/NEAMTWS of IOC/UNESCO http://medgloss.ocean.org.il/; http://www.ciesm.org/people/heads/index.htm **** Hidden Message ***** DOV ROSEN TEL SHIKMONA HAIFA31080 ISR Company: IOLR Phone: 972-4-8565241 Fax: 972-48511911 E-mail: rosen@ocean.org.il **** Hidden Message ***** rosen@ocean.org.il |
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