Frequency and temperature on vibrating wires Wireless datalogger provided with 4 input channels to acquire frequency and temperature on vibrating wires. Free installation in any position. Excellent radio range and autonomy. Suitable to monitor: • • • • Inclinations Surface cracks Structural deformations Interstitial pressures • Aquifer levels Main features • Can be installed in any position • • • • • Rugged and shock resistant case IP65 0.1µs/0.1Hz resolution 500÷4,000Hz excitation range Single wire temperature measurement

General technical specifications Power supply 8.5Ah - 3.6V type “C” lithium internal battery (BAT2) Up to 4 years Battery life (*) (samples every 60 minutes and radio signal quality at least sufficient) Measures acquired (4 input channels) Sampling interval (*) Datalogger capacity Working temperature Radio frequency • Frequency • Temperature Selectable from one minute to 24 hours (60 minutes default) 64,000 samples (for each channel) • Operative: -30°C ÷ +60°C • Warehousing: -40°C ÷ +70°C ISM 868MHz Up to 6Km in line of sight Radio coverage (can be extended using WR12 battery powered repeaters)...

WSD12-4VW The WSD12-4VW wireless datalogger is made to acquire frequency and temperature on vibrating wires (strain gauges, piezometers, crack meters), with storage functionality of samples acquired. Equipped with four input configurable channels using jumpers for: • 4 vibrating wires (frequency) 3 vibrating wires (frequency) and 1 temperature 2 vibrating wires (frequency) and 2 temperatures The desired configuration must be issued during the enrolling process. The radio module High Reliability (unique 868MHz radio technology. implementing frequency hopping on 11 channels) based on WINECAP™ LuPo...