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Professional-grade storm and lightning detector which detects lightning and tracks storms from 75 miles. The ThunderBolt Portable Lightning Detector industrial/utility package comes complete with a full range of accessories that allows for maximum flexibility in use and installation. Includes the external port for connection to the wireless warning system and for wireless speaker accessories. The ThunderBolt unit included in this package is the highest professional-grade portable lightning detector offered by Spectrum.
91069 |
ThunderBolt Utility BL Series Lightning Detector |
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$599.95
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90891 |
AquaPac Weatherproof Case |
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$46.40
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90890 |
Car Adapter, 12 Volt for ThunderBolt |
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$25.70
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90889 |
A/C Adapter, 120 Volt for ThunderBolt |
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$19.95
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90888 |
A/C Adapter, 220 Volt for ThunderBolt |
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$25.70
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90807 |
Hard Carrying Case for ThunderBolt |
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$25.70
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90806 |
Outdoor Wall Mount for ThunderBolt - Weatherized |
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$19.95
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90805 |
Indoor Wall Mount for ThunderBolt |
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$14.95
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90804 |
A/C Adapter 115V for ThunderBolt |
We regret that this item is not available at this time. |
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90803 |
Desk Stand for ThunderBolt, Black |
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$25.70
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90802 |
Nylon Carrying Case for ThunderBolt |
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$30.90
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| The ThunderBolt storm tracking unit communicates through more than 50 text screens, which let the ThunderBolt give you continuous warnings throughout rapidly changing storm conditions. The power of ThunderBolt is its ability to give you storm tracking data in real time.
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General Questions and Answers About the Thunderbolt Storm and Lightning Detector
What does "Storm is Local" mean?
"Storm is Local" means electrical activity has been detected within 8 miles of your location. This may be because the storm has moved within 8 miles of you, or it may mean a storm has formed within 8 miles of you.
Why does the ThunderBolt say "STORM IS LOCAL" when it reaches a distance of 8 miles?
The 8-mile warning boundary is based on the length of the typical lightning stroke (6-10 miles!) and the normal pattern of lightning activity within a storm cell. Most thunderstorms produce the highest number of strokes at the leading and trailing edges of the storm cell. Very often, the strokes produced at the leading edge of the storm are thrown forward into areas that might not even be under cloud cover. This is the reason that up to 70% of all people injured or killed by lightning are struck with blue sky overhead!
The ThunderBolt is designed to warn you when the danger of lightning exists, even if it still looks clear in your immediate vicinity.
ThunderBolt says "Storm is Local," but I don't see any storm. Is something wrong with the ThunderBolt?
"Storm is Local" will appear on the ThunderBolt whenever lightning activity has been detected within 8 miles. Because storm clouds may be small, and because lightning can extend far beyond the front edge and back edge of a storm, you may have clear blue sky overhead when ThunderBolt says "Storm is Local." It is very important to seek shelter, even if the sky overhead is clear. ThunderBolt is designed to protect you from a "Bolt out of the blue." Many lightning victims are struck when the sky overhead is clear; this is exactly what ThunderBolt is designed to protect you from.
How does ThunderBolt detect lightning?
Lightning is the flow of huge amounts of electrical current within a storm. These currents can range from several thousand amps, all the way up to 250,000 amps. (For comparison, a typical household circuit carries 10-20 amps of current.) The ThunderBolt has a high sensitivity receiver/amplifier that captures a specific frequency in the electromagnetic noise produced by these huge flows of electric current. A microprocessor then analyzes the signals received and determines the distance, along with other important information about the storm activity.
Can the ThunderBolt work inside as well as outside?
The ThunderBolt is designed to work nearly as well inside most buildings as it does outside. However, certain types of buildings with metal walls and roofs might cause a loss of sensitivity in normal storm detection. A general rule of thumb is that the ThunderBolt will operate normally in any building that allows reception of normal radio signals. If you have questions about a specific building location, check with Customer Support on the toll-free number.
Can the ThunderBolt work near or in a car?
Certain types of internal combustion engines produce electromagnetic noise across the operating frequency of the ThunderBolt. If the unit detects a noise level high enough to interefere with normal storm detection, it will display a HIGH LOCAL NOISE warning and instruct the user to move the ThunderBolt to a different location. This type of background noise is normally only produced by an engine when running. Operating the ThunderBolt near a vehicle with the engine off should never be a problem.
How long will the unit work on a 9 volt battery?
The ThunderBolt should operate from 40-60 hours on a fresh 9 volt battery, depending on the amount of storm activity detected during this period.
What is the auto shut off time?
The ThunderBolt is designed to shut off automatically after approximately 8 hours of continuous operation without any button activation. This is intended to help conserve battery life if the unit is accidentally left turned on. If the ThunderBolt is being powered by the external power adapter, this feature is disabled by the microprocessor.
Can the ThunderBolt operate in any position?
No. The ThunderBolt is designed to operate either vertically (hand-held, using the wall mount, or using the optional desk stand), or lying flat on a horizontal surface. The unit will NOT perform properly if oriented on its side. (This puts the internal antenna in the wrong orientation for signal reception.)
Can the ThunderBolt distinguish between real lightning/storm activity and false signals?
Yes. The ThunderBolt contains special software routines for detecting and minimizing false triggering from non-storm sources. These routines trigger special warning messages if the level of this background noise is too high for normal storm detection and ranging. A background noise sampling routine can be run at any time from the main menu. It should be re-run any time the unit is moved or new equipment or electronics are placed nearby.
Is there a way to tell if my batteries are low?
Yes. Remaining battery life is constantly monitored by the computer. A LOW BATTERY warning message is periodically displayed once the remaining battery life drops below approximately 3-4 hours of normal operation. The batteries should be changed as soon as possible after the warning message starts to be displayed.HINT: You can extend the battery life by turning the tone off whenever possible.
Can the ThunderBolt be powered by an external power adapter?
Yes. The ThunderBolt may be powered by the supplied power adapter. The adapter jack is labeled "9V DC" and is located on the back of the unit above the batttery compartment door. Only Spectrum-approved low-noise adapters are recommended for use with the ThunderBolt. Many "off-the-shelf" adapters produce too much noise for proper operation of the unit. Spectrum offers 120v, 220v, and 12v adapters for use with ThunderBolt.
When the ThunderBolt detects lightning or storm activity, how often is the information updated?
As the storm is tracked, the displayed range, speed, and ETA are displayed on a rotating series of text-message screens. The displayed information is updated by the microprocessor as often as new data is accumulated about the storm and its activity.
Should I be cautious while using the ThunderBolt around water?
Yes. Remember, the ThunderBolt is weather-resistant, but is NOT waterproof and definitely not submersible. Never use the 120VAC or 220VAC adapter around water, inside or outside!
What is the range of ThunderBolt's storm and lightning detection?
The ThunderBolt is designed to detect and track all thunderstorm activity within 75 miles of your location. Storms producing the most lightning activity will provide the most accurate information for the ThunderBolt to detect and analyze. Certain types of very low-level storms, or storms in the earliest phases of their development will take longer to be detected and ranged. |
Relying on your eyes and ears is a most dangerous way to flirt with the awesome power of thunderstorms.
On average, thunder can only be heard from a distance of 2 to 4 miles. Lightning can strike up to 10 miles from the outer edges of a cell. By the time you hear the first clap of thunder, you�ve been at risk from a direct hit from lightning for 30 minutes or more.
You could actually be standing in front of the Empire State Building, and be the victim of a strike "Out of a Clear Blue Sky" from the edge of a storm over Newark, N.J.
This is why 60% of injuries and fatalities occur after it seems a storm has passed. ThunderBolt Storm Detector will warn you about what�s coming your way, and give you ample time to get safe, and remain safe until ThunderBolt Storm Detector tells you the danger has passed.
You are at risk for 30 minutes or more after you think a storm has safely cleared the area. The TIME TO CLEAR function on the ThunderBolt Storm Detector automatically calculates the required time margin based on actual storm movement, and takes the guesswork out of safety.
Lightning Strike Safety Facts - Lightning can strike 6 to 10 miles from the leading edge of a storm. 30% of victims are struck under blue skies before a storm arrives.
- 60% of victims are struck under blue skies after storms have passed.
- Each year, an average of 150 peple are reported killed and more than 700 reported injured by lightning. Due to inaccuracies in the medical reporting process of lightning-related incidents, it is estimated that the ACTUAL number of of lightning-related deaths and injuries may be 5,000 per year.
Source: Lightning Injury Facts, 1995, Mary Ann Cooper, MD |
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