Appliance Shielding
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Cook's Pocket Diode
For individuals who are exposed to minimal low-level radiation. - (1"x 1"x 1/2")
The Amazing Diode
What our customers say |
15.99 |
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Cook's Slim Diode
A thinner version of the Pocket Diode, the slim design of this Diode allows it to fit easily into a billfold. Carry in left pocket. - (2 1/8"x 1 1/8"x 1/8")
The Amazing Diode
What our customers say |
18.49 |
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Cook's Fixture Diode
For fluorescent lights and small electrical office equipment. Double-faced tape affixed to the Diode allows quick and easy application. - (2" x 1 1/8" x 1/4")
The Amazing Diode
What our customers say |
19.49 |
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Cook's Equipment Diode
The Equipment Diode is stronger and more effective on larger equipment. Double-faced tape affixed to the Equipment Diode allows quick and easy application to x-ray equipment, microwave ovens, televisions, and computers. If you wear this Diode, remove the sticky tape. - (2 1/8"x 1 1/8"x 1/4")
The Amazing Diode
What our customers say |
20.49 |
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Cook's EconoPak
Now you can have the Slim Diode (B), Fixture Diode (C), and Equipment Diode (D) at this very special price.
The Amazing Diode
What our customers say |
57.95 |
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Cook's Black Onyx Diode
The round solid Black Onyx Circle is the size of a quarter. There is a 1/2" hole drilled in the middle which holds the Diode Formula.
The Amazing Diode
What our customers say |
59.95 |
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Cook's Silk Pouch
A silk pouch for carrying your Diode. Diode not included.
The Amazing Diode
What our customers say |
1.99 |
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Digital Appliance Diode
This can also be used on Laptops, the Blackberry, Smart phones, MP3 players & Video Games
The Appliance Diode is easily applied by removing the paper backing on the adhesive and pressing to a flat surface of the appliance. We have boosted our Diode Formula to give a better range of frequency protection from digital equipment.
This high powered Digital Appliance Diode offers a broader range of protection in the higher frequencies which are present in today's modern digital appliance equipment.
1 inch Size fits Any Appliance
All New Round Slim Design
Improved Adhesion
Use the Appliance Diode on the Following:
Computers and Accessories
Kitchen Appliances
Microwave Ovens
Florescent Lights
Televisions
Large Electrical Appliances
Electrical Tools
Etc.
The Amazing Diode
What our customers say |
29.95 |
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Metglas
Space-age technology has produced this unique ultra-high permeability
(1,000,000+) magnetic shielding alloy. Unlike conventional Mumetal?
shielding alloys which are nickel/iron based and depend on bulk for
effectiveness, MetGlas is a cobalt based alloy which is only 0.00065"
thick (that's 16 microns, a red blood cell is 8 microns across)!
Thinner means less material is needed. Less material means less weight
and lower cost. Easy to handle, too. Cut it with a scissors,
shape it with your fingers, tape it in place. Flexible and tough, with
moderate corrosion resistance, it can be used indoors or out. Near-zero
magnetostriction means it can be flexed over and over without losing
its shielding properties.
Wrap wiring, pipes, switches, or
electro-magnets. We were able to achieve over 95% reduction of fields
from a lamp cord by wrapping it in a single layer of this material!
Make shields for your shavers, electric toothbrushes, hair dryers,
alarm clocks or lighting ballasts. Even lay it flat (in our
experiments, we saw nearly 90% field reduction when a 4" x 4" MetGlas
shield was placed flat against an energized lamp cord). Note:
This material tends to saturate easily and is not recommended for
shielding strong magnetic fields. This is the material often used in
Electronic Article Surveillance systems. Formula 2714AZ, supplied
annealed.
Electromagnetic Properties
Saturation Induction (Tesla)
0.57
Maximum DC Permeability (?):
1,000,000
Saturation Magnetostriction (ppm)
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2.50 |
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Metglas - 1 pound spool
Space-age technology has produced this unique ultra-high permeability
(1,000,000+) magnetic shielding alloy. Unlike conventional Mumetal?
shielding alloys which are nickel/iron based and depend on bulk for
effectiveness, MetGlas is a cobalt based alloy which is only 0.00065"
thick (that's 16 microns, a red blood cell is 8 microns across)!
Thinner means less material is needed. Less material means less weight
and lower cost. Easy to handle, too. Cut it with a scissors,
shape it with your fingers, tape it in place. Flexible and tough, with
moderate corrosion resistance, it can be used indoors or out. Near-zero
magnetostriction means it can be flexed over and over without losing
its shielding properties.
Wrap wiring, pipes, switches, or
electro-magnets. We were able to achieve over 95% reduction of fields
from a lamp cord by wrapping it in a single layer of this material!
Make shields for your shavers, electric toothbrushes, hair dryers,
alarm clocks or lighting ballasts. Even lay it flat (in our
experiments, we saw nearly 90% field reduction when a 4" x 4" MetGlas
shield was placed flat against an energized lamp cord). Note:
This material tends to saturate easily and is not recommended for
shielding strong magnetic fields. This is the material often used in
Electronic Article Surveillance systems. Formula 2714AZ, supplied
annealed.
Electromagnetic Properties
Saturation Induction (Tesla)
0.57
Maximum DC Permeability (?):
1,000,000
Saturation Magnetostriction (ppm)
<<1
Electrical Resistivity (? Ohm-cm)
142
Curie Temperature (?C)
225
Physical Properties
Density (g/cc)
7.59
Vicker's Hardness (50g load)
960
Tensile Strength (MN/m?)
1,000-1,700
Elastic Modulus (GN/m?)
100-110
Thermal Expansion (ppm/?C)
12.7
Continuous Service Temp. (?C)
90
Composition
Ni: 1.63%
Fe: 4.45%
Si: 8.60%
B: 3.15%
Co: 82.17%
Installation Instructions
Place Metglas as close as possible to the source of the field for best results.
Use an insulator to avoid direct contact between Metglas and covered metal conduits or wires.
Enclose the source (cylinder shapes) whenever possible.
Overlap and tape all seams for good metal-to-metal contact.
Avoid sharp bends and don't use helix (spiral) shapes.
Do NOT allow Metglas to contact live bare wires to avoid electrical shock!
And of course, be careful of the edges, as they may be sharp.
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599.00 |
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Shielded Plug Cord
Typical lamp cords, appliance cords, even the cord to your alarm clock
emit strong electric fields even if the appliance is turned off.
Replacing the cord with a shielded cord eliminates this source of
electric field. Replacement is simple, but does require basic knowledge
of wiring.
Our recycled shielded cords are rated for 10 amps, 6 ft long. 3-prong
plug on one end, other end cut. Internal metallic shielding. Black
vinyl.
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4.95 |
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Conductive Tubing
Composed of electrically conductive black polyethylene and great for
shielding electrical cords. It's easy to slide any electrical cord
(even fits those giant dryer plugs!) through this 4" wide (when flat)
sleeve without having to remove the plug from the end of the cord.
Surface resistivity <1000 ohms/square. Only 4 mil thick, it won't
hold up to tearing, heat or abuse, but it's tough enough to do a great
job on the lamp cord by your bed, the air conditioner cord, or even
cables in your car. Use a grounding cable, and please be careful when
handling electrical cords.
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1.15 |
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PaceAlert
Pacemakers and implantable defibrillators are vulnerable to strong electromagnetic fields. Manufacturers of these devices have set EMF exposure limits, but how is the user to know if his work or home environment is safe?
PaceAlert is the first and only meter/alarm designed specifically with pacemaker safety in mind. Simply turn the unit on and it will warn with LED lights and audible alarm if it encounters EMF near the limits for proper and safe operation of implanted devices. PaceAlert monitors AC magnetic fields, AC electric fields, and radiofrequencies simultaneously. Common sources of strong fields include microwave ovens, power tools, hair dryers, vacuum cleaners, electric ranges and toaster ovens, electric circuit boxes, welding equipment, etc.
Alarm thresholds:
4 kV/m for electric field at 50/60 Hz
1.5 Gauss magnetic field at 50/60 Hz
100 V/m RF from 500 kHz – 6 GHz
No adjustments needed, no complicated interpretations to make. If you hear the alarm, you are too close! LEDs will indicate type of EMF (electric, magnetic, or RF). Convenient size fits in pocket or purse. Or it can be worn as a necklace or on belt clip. Gets about 20 hours on standard 9V alkaline battery, 9 hours with rechargeable. Low battery indicator. One year warranty. Annual re-calibration available. Made in USA. |
199.95 |
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High Performance Monitor Enclosures - fits 14-17" monitors
CRT monitor screen disturbance problems can be quickly solved and user safety increased by using this handsome monitor shielding enclosure made from high efficiency, .025" thick magnetic shielding alloy. Designed initially to prevent "jitter" caused by external magnetic fields (up to 200 mG), this enclosure also drastically reduces (DC to 100 kHz) magnetic emissions from the monitor to the user as well! In our tests, magnetic fields at the back and sides of the monitor were reduced by nearly 100%, and fields at the front of the monitor were reduced by 50%. Due to the directional nature of magnetic fields, this 5 sided, tapered unit reduces emissions while leaving the monitor screen in full view. Installs in a few minutes without disturbing existing computers or rearranging electrical equipment. As one customer reported, "We corrected our problem in 10 minutes, with no system down-time!"
Available in a choice of handsome finishes to compliment your decor. Considered the industry standard by many. Additional shipping charges apply. |
595.00 |
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Appliance Timer
Refrigerators produce a strong magnetic field and can be difficult to shield. If moving the fridge out to the garage, or moving your bed away from the back of the unit is not an option, this simple timer will easily do the trick. Simply plug the appliance into the timer and plug the timer into the wall outlet. Set the timer so that the appliance will be “off” during periods when sensitive people will be near the unit.
Heavy duty so it can be used with sump pumps, air conditioners, washers, dryers, fans, water heaters, pool filters, fish tanks and just about any device which can be shut off for periods during the day. Permits up to 14 on/off cycles per day. Can even be set differently for weekday vs. weekend. Saves energy too! Even has battery back-up so you won’t lose your settings during a black-out.
Don’t be fooled: there are less expensive timers out there. Timers with a dial face produce high fields of their own! In our tests, this unit produced an un-measurable field of its own, so when the appliance is in the “off’ mode, the field is very close to zero.
Uses 3-prong grounded outlet. Handles up to 15 amps (1875 watts) at 120 volts, or 500 watts of lighting. Just make sure the timer allows enough “on” time to keep your frozen goods frozen. |
39.95 |
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Safe-Time
Big value in a small package. Low EMF alarm clock offers oversize numbers for easy visibility, time, alarm, and snooze features. Lightweight and perfect for bedside, desk, or travel. 2-7/8”W x 2-3/4”H. Batteries included. |
6.95 |
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No-EMF Doorbell
Transformers for conventional doorbells operate 24 hours per day producing significant fields, whether you use your doorbell or not. Rip it out and replace it with one of these handsome brass plated steel zero-emf doorbells full of character and charm. Completely mechanical, it rings with clear, crisp tone that can be heard throughout the house... and uses no wires, batteries, or electricity! 3" diameter bell attaches to the inside of the door, 3-3/4" tall by 1-3/4" wide turn-key with plate fastens to the outside. Designed for 1-3/8" to 2-1/4" thickness doors.
(The turn mounts on the outside of the door and the bell mounts on the inside. A hole must be drilled through the door to allow the spindle to connect the turn with the bell.) |
39.99 |
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Giron
GIRON Magnetic Shielding Film, which does not contain Nickel, is unlike any other magnetic shielding material available on the market today. Suitable for applications requiring high saturation and good permeability, it is both thin and strong, and unlike Mu-metal™ it is very tolerant to bending or shaping without losing is shielding properties.
GIRON is a woven, laminated material. Cuts neatly with snips or sheet metal tools, and can be used either flat or molded into shapes for best performance. A further distinction is that the magnetic properties of GIRON are anisotropic... that is they are not the same in all directions. Permeability along the long axis is excellent, across the long axis good, and perpendicular to the surface it is slight. Thus magnetic shielding effect can be increased or decreased by merely rotating the orientation of the shield. Very unique! Test performance using vertical strips vs. horizontal strips before final installation. Or overcome this feature by alternating the direction of multiple layers.
Suitable for small shields on magnets, motors, speakers and appliances such as refrigerators, vacuum cleaners etc. Also great for lining car floor or firewall. Perfect for full or partial wall / floor shielding in rooms too!. Can be glued, taped, nailed, screwed or riveted into place. Could even be used to make a (heavy weight) vest to shield a person's torso! Works with AC or DC magnetic fields (0-1000 Hz), and will tolerate temperatures from 32° to 122°F. Coating is UV sensitive, cover if installation is exposed to direct sunlight.
Initial permeability: 500
Relative permeability: 7000
Saturation induction: 2,0 T
Curie Temp.: 740°C (1364°F)
24 inches wide, 1 mm thick. Weighs 3.5 Kg/m² (about 15 pounds per 10 foot length). Edges are sharp!
GIRON (LE-A273) ............... $37.95 per linear foot |
37.95 |
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Giron full roll (81 feet)
GIRON Magnetic Shielding Film, which does not contain Nickel, is unlike any other magnetic shielding material available on the market today. Suitable for applications requiring high saturation and good permeability, it is both thin and strong, and unlike Mu-metal™ it is very tolerant to bending or shaping without losing is shielding properties.
GIRON is a woven, laminated material. Cuts neatly with snips or sheet metal tools, and can be used either flat or molded into shapes for best performance. A further distinction is that the magnetic properties of GIRON are anisotropic... that is they are not the same in all directions. Permeability along the long axis is excellent, across the long axis good, and perpendicular to the surface it is slight. Thus magnetic shielding effect can be increased or decreased by merely rotating the orientation of the shield. Very unique! Test performance using vertical strips vs. horizontal strips before final installation. Or overcome this feature by alternating the direction of multiple layers.
Suitable for small shields on magnets, motors, speakers and appliances such as refrigerators, vacuum cleaners etc. Also great for lining car floor or firewall. Perfect for full or partial wall / floor shielding in rooms too!. Can be glued, taped, nailed, screwed or riveted into place. Could even be used to make a (heavy weight) vest to shield a person's torso! Works with AC or DC magnetic fields (0-1000 Hz), and will tolerate temperatures from 32° to 122°F. Coating is UV sensitive, cover if installation is exposed to direct sunlight.
Initial permeability: 500
Relative permeability: 7000
Saturation induction: 2,0 T
Curie Temp.: 740°C (1364°F)
24 inches wide, 1 mm thick. Weighs 3.5 Kg/m² (about 15 pounds per 10 foot length). Edges are sharp! |
2264.00 |
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ArgenMesh™
When you need the conductivity and shielding performance of Silver with the strength of Nylon, ArgenMesh is the material to choose. At >60 dB from 10MHz to 40 GHz and surface conductivity of |
17.99 |
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Soft & Safe™ Shielding Fabric - The Perfect Garment Shield
This fabric feels great against the skin, is washable, conductive, and offers exceptionally high RF shielding performance. It is perfect for a seat or mattress grounding pad. Or make microwave shielding pajamas, shirts, hoods, curtains or sheets. Easy to make a ground connection because the surface has high conductivity ( |
18.25 |
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Staticot™ - Economy, Performance, Durability
Polyester/Cotton blended with microfine stainless steel fibers creates a low cost, tough fabric similar to khaki. Perfect for fencing lames, seat covers, and garments. 20 Ohm per sq on the surface, so it is great for static discharge and easy to make ground connections. Washable and easy to cut and sew. Nice crisp feel against the skin. Nearly 40 dB tested up to 10 GHz. 230g/m2. Sky blue color. 59 inch wide.
$9.50 per lin ft. |
9.50 |
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Pure Copper Polyester Taffeta Fabric
Shiny, smooth fabric with pure copper. Light weight and flexible. Easy to cut and sew like ordinary fabric. Better color stability due to tarnish resistant finish. High conductivity and shielding performance. Use it for drapes, wall covering, garments, pouches and more. Great price too!
Shielding effectiveness: 100MHz: 67dB . . . . 300MHz: 65dB
Width: 1080 mm (42.5 inch)
Thickness: 0.08mm (3 mil)
Surface Resistivity: 0.05 Ohm/sq
Pure Copper Polyester Taffeta Fabric (Cat. #A1212) … $10.95 per lin ft folded
Roll charge ... add $10.00 |
10.95 |
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