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Fiber Optic Attenuator

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Part# Product Description
JK0401-FC-5dB Adapter-type Fix Attenuator FC 5dB
JK0401-SC-5dB Adapter-type Fix Attenuator SC 5dB
JK0401-LC-5dB Adapter-type Fix Attenuator LC 5dB
JK0402-FC-PC-5dB Male to Female-type Fix Attenuator FC/PC 5dB
JK0402-FC-APC-5dB Male to Female-type Fix Attenuator FC/APC 5dB
JK0402-SC-PC-5dB Male to Female-type Fix Attenuator SC/PC 5dB
JK0402-SC-APC-5dB Male to Female-type Fix Attenuator SC/APC 5dB
JK0402-LC-PC-5dB Male to Female-type Fix Attenuator LC/PC 5dB
JK0402-LC-APC-5dB Male to Female-type Fix Attenuator LC/APC 5dB
JK0402-ST-PC-5dB Male to Female-type Fix Attenuator ST/PC 5dB
JK0402-MU-PC-5dB Male to Female-type Fix Attenuator MU/PC 5dB
JK0403-FC-PC(0-20dB) Variable Attenuator FC/PC(0-20dB)
JK0403-FC-APC(0-21 dB) Variable Attenuator FC/APC(0-21 dB)
  9  
Type Attenuation Values ( dB ) Precision error (dB) Wavelength Additional Loss (dB) Connectortype (dB)
High Return Loss l-30dB 1〜15dB<+0.1dB 1310nm Insertion Loss FC/UPC
1550nm ≤0.2dB(UPC) FC/APC
5〜10dB<+0.3dB 1310nm/1550nm ≤ 0.3dB(APC) SC/UPC,SC/APC
Return Loss:
10〜20dB<+0.5dB ≥ 50dB(UPC) LC/UPC,LC/APC
≥ 65dB(APC) ST/UPC.MU/PC
  The Variable attenuator can be installed at the distribution panels or connecting two patchcords to become in-line attenuator application.By fine tuning the air gap width,the user can easily adjust the attenuation value by hand when using in conjunction with power meter.
  • 1.HOW LONG CAN I GET THE FEEDBACKS AFTER WE SENT THE INQUIRY? 
    We will reply you within 12 hours in working day.
  • 2.ARE YOU A DIRECT MANUFACTURER OR TRADING COMPANY?
    We have two our own casting foundries and one CNC machining factory,we also have our own international sales department. We produce and sell all by ourselves.
  • 3.WHAT PRODUCTS CAN YOU OFFER?
    We focus on stainless steel,carbon steel and low alloy steel casting parts.
  • 4.WHAT APPLICATIONS DO YOUR PRODUCTS RELATE TO?
    Our products cover a wide range of industries including train & railway, automobile & truck, construction machinery, mining machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery, construction, valve and pumps, electric machine ,hardware, power equipment and so on.
  • 5.CAN YOU DO CUSTOMIZED PRODUCTS?
    Yes,we are mainly doing customized products according to the customers’ drawings or samples.
  • 6.DO YOU HAVE SOME STANDARD PARTS?
    Yes,besides the customized parts,we also can offer some standard parts which are mainly used for excavators.We called them G.E.T parts,including bucket teeth and adapters,cutting edges,side cutters,end bits,ripper shanks, shank guards and scarifies shanks,pins and retainers,bolts and nuts,etc.
  • 7.HOW ABOUT THE CAPACITY OF YOUR COMPANY?
    We have 12 modern types of energy-saving & environmentally-friendly production lines including a fully automated wax and shell making process flow line, as well as 4 heat treatment production lines. And our annual production capacity is over 20,000 tons.
  • 8.HOW MANY EMPLOYEES OF YOUR COMANY?WHAT ABOUT THE TECHNICISTS?
    We now have more than 650 employees, including 10 engineers and 50 technicians.
  • 9.HOW TO GUARANTEE THE QUALITY OF YOUR GOODS?
    Firstly,we will do the inspection after every process.For the finished products,we will do 100% inspection according to the customers’ requirements and the international standard. Secondly,we have our own testing lab and the most advanced and complete inspection equipment in the casting industry,including Spectrometer, Metallographic Microscope, Tension Tester, Low Temperature Tester, X-ray Tester, MPT, UT, CMM, Video Measurement Machine and so on.With these advanced facilities & instruments, we are able to supply the most precise finished products to our customers, and make products meeting their overall inspection requirements on chemical composition, mechanical properties, non-destructive testing and high precise dimensional inspections.
  • 10.WHAT’S THE PAYMENT TERM?
    When we quote for you,we will confirm with you the way of transaction,FOB,CIF,CNF,etc. For mass production goods, you need to pay 30% deposit before producing and70% balance against copy of documents.The most common way is by T/T. L/C is also acceptable.
  • 11.HOW TO DELIVER THE GOODS TO US?
    Usually we will ship the goods to you by sea,because we are in Ningbo,and we are only 35 kilometers away from the Ningbo Port,it is very convenient and efficient to ship goods to any other countries.Of course,if your goods are very urgent,the Ningbo Airport and Shanghai Airport are also very nearby.
  • 12.WHERE ARE YOUR PRODUCTS MAINLY EXPORTED TO?
    Our products are mainly exported to over 30 countries such as USA,Germany,Japan,Spain,Italy,UK,Korea,Australia,Canada and etc.Our clients include many OEM customers who specialize in train,automobile,forklift and construction machinery,we already have had cooperation with more than 10 of the world’s Top 500 companies as one of their major casting suppliers in China.

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