QT-1 Quick Tester

For testing Boltek Lightning Alert Systems, including dual-sensor systems.

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EFM-100C RS485 Electric Field Monitor - Sensor Only

A short-range lightning detector helpful in monitoring nearby thunderstorms. The EFM-100 also detects the high electric-field conditions which precede the first lightning strike. The EFM-100 is a great companion to the LD-250 providing the best of both long range and local lightning detection. For close lightning...

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FR-4 Fused Relay Module

FR-4 Fused Relay Module allows you to safely control 24V lights and other loads using 12V or 24V control signals.

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ERL-10-S Lightning Relay Module

Programmable Relay module designed for use with the EFM-100

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ERL-10-F Lightning Relay Module

Programmable Relay module with fiber optic input designed for use with the EFM-100

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RS485 to USB Adapter

Adapter for converting the RS485 output from the EFM-100 or the ERL-10 programmable relay to USB.

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BGW312 Ethernet Serial Server

The Boltek BGW312 Ethernet Serial Server allows an EFM-100 and/or LD-250 to be remotely located any distance from the display computer using Ethernet to relay the data. Adding a long-range Wi-Fi Ethernet bridge also makes wireless operation possible up to several miles.

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EFM-INV-M Inverted Mounting Kit

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EFA-21 Power Module / RS485 to USB Converter for EFM-100C

The EFA-21 doubles as a Power Module and RS485-USB Adapter that allows you to provide power and connect an EFM-100 Atmospheric Electric Field Mill directly to your computer's USB port using a single device.

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EPM-1 Power Module for EFM-100

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12V DC Power Adapter

12V DC / 1A power adapter for the Boltek EFM-100 short range detector, ERL-10 relay module, LD-250 long range lightning detector and LD-350 long range lightning detector.

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EFA-10 Fiber Optic to RS-232 Converter for EFM-100

The EFA-10 Fiber Optic to RS232 Converter allows you to convert the fiber optic signal from an EFM to serial data that can be connected to an available COM port on a computer or laptop.

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EFA-20 Fiber Optic to USB Converter for EFM-100

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TRI-3 Antenna Mount Tripod, 3 foot

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TRI-2 Antenna Mount Tripod, 2 foot

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Antenna Cable Coupler

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