Boltek Corporation products

High accuracy short range lightning detection from 0 to 24 miles (0 to 38km) with the capability to receive lightning alerts on your cell phone or email while out in the field.

Our best lightning detection package. Dual lightning sensors provide almost complete protection against false lightning alerts. Three programmable alert level relay output module kit designed for use with the EFM-100 and the LD-250 for high accuracy short range detection, along with coincidence mode for virtually eliminating all false alerts. This kit includes the ERL-10, EFM-100 and LD-250 pre-wired in a waterproof enclosure. Status monitor display software is also provided.

The Boltek SL-180 series LED stacklights (signal towers) are robustly designed for use outdoors in all weather. 

Measuring the static electric field generated by thunderclouds the Boltek EFM-100 not only detects nearby lightning but can detect the atmospheric conditions which precede lightning. Electric field data is displayed and graphed on your desktop computer using the included software.