Promoted Brands

Boltek EFA-10 Fiber Optic to RS-232 Converter for EFM-100 Designed exclusively for the EFM-100, the EFA-10 converts the fiber optic signal to a RS-...

Boltek EFA-20 Fiber Optic to USB Converter for EFM-100 The EFA-20 USB to Fiber Optic Converter allows you to connect an EFM-100 Atmospheric Electri...

Boltek EFA-21 Power Module / RS485 to USB Converter for EFM-100C The EFA-21 is designed to provide both power and data through a single Cat5 cable ...

Boltek EFM-100C RS485 Electric Field Mill Kit Measuring the static electric field generated by thunderclouds the Boltek EFM-100 not only detects ne...

Boltek EFM-100C RS485 Electric Field Monitor Measuring the static electric field generated by thunderclouds the Boltek EFM-100 not only detects nea...

Boltek EFM-INV-M Inverted Mounting Kit The EFM-100 Inverted Mounting Kit lets you invert your field mill to reduce precipitation noise that can app...

Boltek EPM-1 Power Module for EFM-100 The EPM-1 Power Module provides a power connection for the EFM-100 Atmospheric Electric Field Mill.

Boltek ERL-10 Lightning Relay Module The ERL-10 receives data from the EFM-100 Electric Field Mill short-range sensor (<20 miles/32 km) and a LD...

Boltek ERL10-GSM1 Auto SMS Text Message Alert Package The GSM-1 SMS Text Message Dialer is pre-wired to the ERL-10 Programmable Relay Module so SMS...

Boltek ERL10-KIT1 RS485 Lightning Alarm Package The ERL-10 receives data from the EFM-100 Electric Field Mill short-range sensor (<20 miles/32 k...

Boltek ERL10-KIT2 Dual Sensor Lightning Alarm Package The ERL-10 receives data from the EFM-100 Electric Field Mill short-range sensor (<20 mile...

Boltek Extra Antenna Cable (per foot) StormTracker/LD250/LD-350 includes 50 feet of antenna cable. If you need a longer cable indicate how many add...

Boltek GSM-1 Text Message Notification Dialer The GSM-1 connects directly to the ERL-10 Programmable Relay Module to send SMS messages automaticall...

Boltek LD-250 Lightning Detector The LD-250 puts a live-action lightning display on your computer screen, showing storm activity up to 300 miles in...

Boltek LD-250 Mobile Detection Kit The LDGPS receiver will adjust the heading while driving so that strikes are still plotted correctly when the ve...

Boltek LD-350 Lightning Detector The Boltek LD-350 Lightning Detector puts a live lightning map on your laptop or desktop computer. Within millisec...

Boltek LD-350 Long Range Detection Kit The Boltek LD-350 Lightning Detector puts a live lightning map on your laptop or desktop computer. Within mi...

Boltek LDCMP-1 Fluxgate Compass for LD-250 Optional fluxgate compass for heading correction when using the LD-250 on a boat or vehicle.

Boltek LDGPS-1 GPS Receiver for LD-25 Optional GPS for heading correction when using the LD-250 in a vehicle.

Boltek Mobile Magnetic Mount for ANT-2 A high strength ceramic magnet with aluminum mast and Cat6 ethernet cable for the Boltek ANT-2 Lightning Sen...

Boltek NexStorm by Astrogenic Display lightning strikes from the data collected and transmitted by either the Boltek StormTracker PCI, LD-250, or L...

Boltek NexStorm Custom Background Map The StormTracker PCI/LD-250/LD-350 can be used without a background map but we recommend having one.Please sp...

Boltek Pole Mount for ANT-2 A 24" aluminum mast with a pole mount bracket for the Boltek ANT-2 Lightning Sensor Features Pre-assembled mount for q...

Boltek Replacement LD-250 Receiver LD-250 receiver only for replacing existing Boltek storm tracking lightning detector system.ANT-2 lightning sens...

Boltek Replacement LD-350 Receiver LD-350 receiver only for replacing existing Boltek storm tracking lightning detector system.ANT-2 lightning sens...

Boltek RLO-10 Relay Output Module for LD-250/LD350 Receiver The RLO-10 Relay Output Module provides three solid-state relay outputs for interfacing...

Boltek RS232 to USB Adapter For connecting the LD-250 to a computer or laptop USB port. Comes with driver disk. Parts Included 1 x RS232-USB Adapt...

Boltek RS485 to USB Adapter Used for connecting the EFM-100C or ERL-10 Relay Module to a computer or laptop USB port over distances up to 1200m/400...

Boltek StormVue NGX by Astrogenic Display lightning strikes from the data collected by either the Boltek StormTracker PCI, LD-250, or LD-350 lightn...

Boltek TRI-3 Antenna Mount Tripod, 3 foot Mounting accessory for the StormTracker, LD250, LD350 and EFM100.

Cape Cod Wind & Weather Cape Codder Clock w/Tide Hand This beautifully detailed clock has a brushed silver face and highly polished solid brass...

Cape Cod Wind & Weather Cape Codder Clock This beautifully detailed clock has a brushed silver face and highly polished solid brass case, 6″ in...

Cape Cod Wind & Weather Temperature Instrument- Indoor/Outdoor - Min/Max The Indoor/Outdoor-Min/Max thermometer, in a highly polished and lacqu...

Cape Cod Wind & Weather Tide Keeper CCTK Tide Clock This handsome, Atlantic Coast tide clock will appeal to anyone living near the shore. The s...

Cape Cod CCWD Wind Direction Instrument Boaters, fishermen, golfers and all those with an interest in the outdoors want to know which direction the...

Cape Cod® Wind Speed Indicator Know at a glance how hard the wind is blowing! A spinning cupwheel mounted on your rooftop or boat mast uses free wi...

Cape Cod Wind Speed Indicator with "Peak Gust" Upgrade Know at a glance how hard the wind is blowing! A spinning cupwheel mounted on your rooftop o...