Rayos y Tormentas Eléctricas

BTD-350 Thunderstorm Detector

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Imagen de: BTD-350 Thunderstorm Detector


The BTD-350 Thunderstorm Detector is a standalone sensor that reliably detects the presence of all forms of lightning to a range of 83km. The unique quasi electrostatic operating principle gives the detector a very low false alarm rate and the ability to warn of the risk of overhead lightning.

The ability to reliably detect and range cloud-to-cloud lightning, which is typically much more common than cloud-to-ground strikes, makes the BTD-350 much more sensitive to the presence of storms compared to devices that rely on radio detection. The electrostatic operating principle allows the sensor to warn of the risk of overhead lightning before the first discharge occurs.

Virtually maintenance free in operation, the BTD-350 can either interface directly to an integrated system or be operated using the supplied PC compatible display and logging software. The optional warning relay module allows the sensor to automatically sound alarms whenever a storm approaches.

  • Warns of overhead lightning risk even before the first lightning discharge
  • Highly immune to radio interference which is the major cause of false alarms in traditional standalone detectors
  • 83 km (45 NM) detection range exceeds the US FAA requirements
  • Detects cloud-to-ground and as well as weaker but more common cloud-to-cloud lightning
  • Detects charged precipitation
  • Meets FAA performance requirements for aerodrome use
  • Provides information for enhanced CAP437 reporting of thunderstorms
  • Developed for marine applications both on and offshore
  • Certified for marine operation for salt spray, vibration and EMC
  • Meets EN50536:2011+A1:2012 requirments for a Class 1 detector
  • Meets IEC 62793 performance requirements for a Class A detector


Detects Cloud-to-cloud, cloud-to-ground and intra-cloud lightning discharges
Output Ethernet or Serial data (RS422)
Range 83 km (51 statute miles)
Detection efficiency 95% for single lightning flash (any type)
99% for storm with 2 flashes
99.9% for storm with 3 flashes
For flashes within 56 km
False alarm rate <2%
Range Measurement 0 to 20 km ± 5 km
Error 20 to 83km ± 10 km
Maximum flash rate 120 per minute
Time of flash Nearest 10ms (internal clock)
Measurement principle Passive, quasi-electrostatic. No moving parts
Direction (optional) Reported to nearest degree
Sensor Power 110 to 240 Vac 50-60Hz Universal
Operating Temperature -40°C to 60°C
Operating Humidity 5% – 100% RH
Protection rating IP66
Certification & Compliance CE Certified
– EMC – General EN 61326:2013
– EMC – Marine EN 60945:2002, Sections 9.2.2 & 9.2.3
– Corrosion resistance EN 60945:2002, Sections 8.12
EN 60068-2-52:1996 Test Kb
– Virbration EN 60945:2002, Section 8.7
EN 60068-2-6:2008, Test Fc
Compliance with EN50536:2011+A1:2012 for a Class 1 detector
Performs in accordance with IEC 62793 for a Class A detector
RoHS and WEEE compliant
Weight (Sensor Head) 25kg
Imagen de BTD-350 Thunderstorm Detector


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