User manual VAISALA EFM550 DATASHEET

[. . . ] www. vaisala. com Vaisala Thunderstorm Electric Field Mill EFM550 Vaisala Thunderstorm Electric Field Mill EFM550 integrates with Vaisala local-area, real-time lightning systems to monitor the development and dissipation of overhead lightning threats by measuring the local atmospheric electric field. EFM550 data can be displayed using optional Vaisala ALARM Automated Lightning Alert Risk Management Software to show current electric field measurements numerically and graphically Features and Benefits Advance warning of overhead lightning threat High-resolution lightning threat data Exceptional reliability and low maintenance Minimizes false alarms No preventative maintenance required during the first two years of operation Flexible siting and easy installation Advance warning of overhead lightning threat The EFM550 integrates with these local-area, real-time lightning information systems: · Vaisala Thunderstorm Lightning Warning System TWX300 · Vaisala Thunderstorm Sensor TSS928TM with Vaisala ALARM Automated Lightning Alert Risk Management software The EFM550 provides for flexible and convenient operation. [. . . ] (61 cm) Mechanical Motor Cable Brushless; 25, 000 hours MTBF 4-twisted pair, 24 AWG min. Electrical Voltage Power Protection Power Consumption 100-240 VAC, 50-60 Hz; or 20-30 VDC Multi-stage transient protection 2. 3 watts Minimum 6 in. (15. 2 cm) clearance to mounting surface Mounting Hardware included for convenient mounting to a vertical pipe or flat mounting surface. Minimum 6. 0 in. (15. 2 cm) clearance from bottom of junction box to mounting surface. Maintain a minimum of 18. 0 in. (45. 7 cm) area clear between mill head and mounting surface. Support Services AND Standard Warranty Training, technical support, spare parts and service agreements are available for maintaining optimal sensor performance. Vaisala warrants all products manufactured by Vaisala to be free from defects in workmanship or material for one year from the date of delivery. Contact your Vaisala Sales Representative for specific support services and product warranty details. For more information, visit www. vaisala. com or contact us at sales@vaisala. com Ref. B210372EN-E ©Vaisala 2010 This material is subject to copyright protection, with all copyrights retained by Vaisala and its individual partners. [. . . ] All specifications -- technical included -- are subject to change without notice. [. . . ]