84 85 TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com www.TELE-audiovision.com — 01-02/2014 — TELE-audiovision International — 全球发行量最大的数字电视杂志 F-priključci za koaksijalni kabel TesT uređaja Program „F“ priključaka tvrtke PerfectVision • Potpuno sigurni kabelski spojevi • Vodonepropusni za vanjske primjene • Pogodni za profesionalne instalacije • Savršena instalacija priključka korištenjem odgovarajućih alatki • Veliki izbor priključaka za različite tipove kabela
Transcript
84 85TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com www.TELE-audiovision.com — 01-02/2014 — TELE-audiovision International — 全球发行量最大的数字电视杂志
F-priključci za koaksijalni kabel TesT uređaja
Program „F“ priključaka tvrtke PerfectVision
• Potpuno sigurni kabelski spojevi• Vodonepropusni za vanjske
primjene• Pogodni za profesionalne
instalacije• Savršena instalacija priključka
korištenjem odgovarajućih alatki• Veliki izbor priključaka za različite
tipove kabela
01-02/2014
www.TeLe-audiovision.com/14/01/perfectvision
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86 TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com
TesT rePOrT F Connectors for Coax Cable
High-Quality „F“ Connectors for Professional applications
We here at TELE-audio-vision are always happy to see companies go against the general trend towards cheaper, lower-quality mass-produced products and still manage to be economically successful.
An excellent example of this is the company Perfect-Vision out of Little Rock, Ar-kansas in the USA. Founded by Terry Fleming in 1979, the company today has sales totaling roughly $400 mil-lion a year with their line of
F Connectors for Coax CableIdeal solution for perfect coax cable connections
coax cable, connectors, test equipment and accessory products in the telecommu-nication industry.
In their more than 30 years of existence, the com-pany can boast over 25 dif-ferent patents - this number all by itself highlights how innovative this company is.
The number one objective of this company is to pro-duce and market high qual-ity products in large quanti-ties at affordable prices.
Naturally, PerfectVision has all of the necessary con-trol processes already in place, such as, continuous quality control during pro-duction, strict inspection of all the incoming raw materi-als as well as accurate trace-
ability of each product. In order to be able to
prove this to the customer, PerfectVision adheres to all of the following national and international standards: ISO 9001, ISO 2000, ISO 140000, UL E341555, UL E342531, UL E343972, UL
88 TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com
1. Coax cable stripping tool 2. This is what a correctly stripped triple shielded cable looks like3. This is what a correctly stripped quad shielded cable looks like4. Inserting the "F" connector onto the coax cable5. Clamping of the cable and connector into the installation tool6. The assembled "F" connector on the coax cable provides for an excellent electrical connection, an extremely tight hold on the cable as well as optimal protection from dirt and moisture.7. at the moment the "F" connector is only placed on the coax cable; only with the help of the installation tool will it be permanently clamped onto the cable.
E344384, SARFT, UL-CSA, RoHS and SGS Ethnic Audit, Thomson QMS/GE EHS certi-fication as well as Riser cer-tification.
Especially important for PerfectVision was and still is the subject of compatibility and that‘s not only for their own product assortment but also for the products of other manufacturers. Finally, the user should not be com-
pelled to completely upgrade to PerfectVision products all at once, rather, it‘s the qual-ity of the products in com-bination with existing hard-ware that should convince them that this would be the right move for the future.
During the course of our many visits to trade fairs, we learned about the com-pany PerfectVision for very simple practical reasons. It wasn‘t only the numer-ous letters and e-mails we received from our readers, it was also our own experi-ence with shoddy coaxial ca-ble connections here at our test center. Thankfully, Per-fectVision, a company that offers an innovative solution for this problem, came along just at the right time.
Before we get into any fur-ther details, we want to take a quick look at the underly-ing problem: over the past several years we believe that there has been more and more of an influx of a type of „F“ connector that is
screwed onto the coax cable. These „F“ connectors have internal threads that ideally would grab and securely hold the connector to the outer jacket of the cable.
In reality though, the situ-ation is quite different. The screwed on connectors only appear to be securely at-tached to the cable, however if you were to give a firm yank on the end of the con-nector, it‘ll pop right off the end of the cable.
Not only that, these types of screw-on „F“ connectors don‘t provide adequate pro-tection against moisture; this leads to premature corrosion and ultimately interference in signal transmission.
Some of our readers might suggest that you should sim-ply screw the „F“ connec-tor back onto the cable or retighten a loose one. While in principle this is the right thing to do, you should still keep two things in mind:
a) as long as the antenna is easily accessible in the backyard or on a balcony,
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90 TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com
this type of repair would ob-viously not be a problem. But if it‘s in a less accessible lo-cation such as on a roof, then the picture looks completely different.
b) Problems with screw-on „F“ connectors would be nothing short of fatal for a professional installer. Not only because such a repair would have to be handled under warranty, but also be-cause this would damage the professional image of the in-staller.
Considering all this, you‘d have to ask yourself why you would opt for such a low-quality type of „F“ connector when there are companies like PerfectVision that offer long-lasting, exceptionally stable and extremely easy to install „F“ connectors for a comparatively low price?
We decided to have a closer look at the „F“ con-nectors labeled PV6U-EUR, PV6UE-05, PV6UE-UM and PV6-PV as well as the corre-sponding PV100 and VT200 installation tools.
The first question is: what‘s the best way to strip the coax cable? If you want it as easy and as comfortable as possible, you can use spe-cial stripping tools (see Fig-ure 1), but this task is also quite easy to do even without these special tools. Using a sharp knife, carefully cut off about 15mm (0.6 inches) of the outer jacket of the cable. With quad shielded cable the wire mesh was turned over and the insulation under-
neath was removed. If you have triple shielded
cable, this step is eliminated. The now exposed wire is not folded back and the insulator underneath is kept in place. It should lie as close as pos-sible to the dielectric (the in-sulation layer around the in-ner copper conductor in the center of the cable).
Now only about 7mm (about 1/4 inch) of the di-electric is removed thereby exposing the inner copper conductor. The PerfectVi-sion compression connector is then placed carefully over the coax cable until the di-electric is flush with the „F“ connector‘s feed-through hole. The center copper con-ductor should be sticking out about 2-3mm (about 1/8 inch) from the „F“ connec-tors opening.
Once you‘re sure that the cable was properly prepared and is sitting correctly in the compression tool, a hefty squeeze of the tool‘s handle is all that‘s needed to push the two halves of the „F“ connector together and com-press the cable in between.
The resulting connection between the connector and the cable has excellent elec-trical conductivity and also provides the inside of the connection with perfect pro-tection from moisture.
And in case you can‘t quite recognize it in these pictures, both of these tools come with a small hole that allows the inner copper conductor to poke through without being damaged while the „F“ con-nector is being attached.
8. The PV6-PV on a triple shielded coax cable9. The PV6u-eur on a quad shielded coax cable10. The PV6ue-05 on a somewhat stronger, triple shielded coax cable11. The PV6ue-05 on a quad shielded coax cable – the internal opening of this connector is almost too small for this particular cable12. The PV6ue-uM on a somewhat stronger, triple shielded coax cable13. The PV6ue-eur on an especially stronger, quad shielded coax cable – the internal opening of this connector is almost too small for this particular cable
OPINIONexPerT
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RECOMMENDEDPRODUCT BY
Thomas HaringTest Center
Austria
Perfect VisionF- Connectors for Coax Cable
9392 www.TELE-audiovision.com — 01-02/2014 — TELE-audiovision International — 全球发行量最大的数字电视杂志TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine — 01-02/2014 — www.TELE-audiovision.com
PerfectVision offers an exceptionally large assortment of „F“ connectors for all different types of coax cable as well as the necessary high-quality installation tools. The workmanship as well as the materials reflect the highest standards and are there-fore a ‚must have‘ for every professional installer.
None
In our tests we were able to successfully test all the PerfectVision connectors without any problems.
And the two installation tools left us with an excep-tionally solid and high-qual-ity impression.
This was not only con-firmed during the course of our tests, the quality of the connectors and the installa-tion tools far exceeded our expectations.
Next we‘ll present the in-dividual connectors that we tested in much greater detail as well as exact product fea-tures.
PV6-PV: This „F“ connec-tor fits on any triple shielded 75 Ohm coax cable and pro-vides a good hold on the ca-ble thanks to its well thought out construction. The ribbed center ring provides the user with a solid grip of the con-nector. The PV6-PV is de-signed to be used in the 2 MHz to 3 GHz range and its
shielding is rated at around -90dB. Since this connector is manufactured to the SCTE standard, it can be used not only indoors, it can also be used outdoors thanks to its weather resistance and moisture protection.
PV6UE-05: Thanks to its slightly larger size, this „F“ connector can be easily used with somewhat stronger tri-ple shielded 75 Ohm coax ca-ble. Of course, the PV6UE-05 is also manufactured to the same SCTE standard and is thus also perfectly suitable for use in outdoor applica-tions.
Thanks to the secure O-rings the manufacturer achieves the highest pos-sible integrity that protects the coax cable‘s inner con-ductor as well as the wire mesh shielding from dirt and moisture. This connector is nickel-coated (as is the PV6-PV) to help protect it from corrosion.
with, the PV6UE-UM is com-pletely nickel-plated while the PV6U-EUR has a center ring made out of plastic.
Compared to a metal ring, this - coupled with its ribbed surface - has the advantage of providing the installer with a better grip on the connec-tor while working.
In addition the opening through the PV6U-EUR‘s in-ner ring is somewhat larger making it especially suitable for heavy shielded coax ca-ble.
Both connectors are suit-able for use in the 2 MHz to 3 GHz range and the shield-ing is rated at better than -90dB.
Besides „F“ connectors, PerfectVision also offers two ideally suited versions of their installation tools.
The PV100 is designed to be used with RG6 connec-tors like the PV6UE-05 but will also work with any other connector that has a com-pression depth of 21mm (about 0.8 inches). All of the „F“ connectors we tested corresponded to this type of construction.
The PV100 is characterized in particular by its high qual-ity workmanship; it is made from steel components with the handles covered in plas-tic grip that is comfortable and slip-resistant.
The VT200 tool is also made out of high-quality steel components with slip-resistant handle covers. This tool can work with larger „F“ connectors that have higher compression depths.
Thanks to the removable „F“ connector holder, this tool can also be used with „F“ connectors that have 21mm (0.8-inch) compres-sion depths.
Overall we here at TELE-audiovision enjoyed taking a closer look at PerfectVision‘s assortment of „F“ connectors and installation tools. The old saying, „Quality Comes at a Price“, is really only par-tially true here. Thanks to larger production quantities, PerfectVision is able to pro-vide high-quality products at comparatively lower prices, and that of course makes the end user very happy.
The PV6UE-05 is suitable for use in the 2 MHz to 3 GHz range and its shielding is rated at more than -90dB.
PV6UE-UM and PV6UE-
EUR: These connectors were designed for professional applications involving the use of quad-shielded coax cable. There are differences between the two: to start
