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Online Monitoring Measurement-WW-826D

For use in online monitoring of dynamic characteristics, structural health, and reliability of large structures. The system can also provide early warning once structural performance or conditions exceed alarm value levels, which can be controlled by the user.

Quantity:
  • WW-816D
  • Dynatronic
Scope

For use in online monitoring of dynamic characteristics, structural health, and reliability of large structures. The system can also provide early warning once structural performance or conditions exceed alarm value levels, which can be controlled by the user.

Product Features


• Distributed designed allowing coverage of large test objects and sites while avoiding sensor signal attenuation caused by long-distance signal transmission.

• High speed, reliable RS485 data bus (including synchronous clock), single-wire transmission module series, reducing interference and wiring.

• One touch modal calculation recognition software, specifically designed for large scale structural engineering design and development, with automatic modal parameter identification, calculation and optional automatic data transfer


Technical Data


ModelWW-844DWZ-88SWW-816D WW-826D
Channels4   Stress & Strain8   Stress & Strain1   IEPE2   IEPE
Bridge   voltage2V,   5V2V-
Strain   measurement±30000με,   ±3000με±20000με-
Voltage   measurement±5V,   ±30mV, ±3mV±20mV±5000mV-
Uncertainty0.5%±3με0.5%
Linearity   (FS)±0.1%--
Freq.   responseDC~2kHz-0.1Hz30Hz
A/D   converters24-bit   Σ-Δ16bit16bit16bitΣ-Δ
Sampling   rateUp   to 10kHz1Hz2Hz,   5Hz, 10Hz, 20Hz, 50Hz, 100Hz, 200Hz
Anti- aliasingCut-off   freq.1/2.56   of sampling rate-1/2.56   of sampling rate
Stop-band attenuation-80dB/oct--80dB/oct
Flatness±0.1dB-±0.2dB
Automatic   balance range±10000με±15000με - -
Communication  distanceUp   to 200 meters line-of-sight500   meters200   meters
Working   time7   hours8   hours8   hours10   hours
Built-in   cache4GB8MB--
Size (mm)135×85×55171×105×30145×86×75
(without antenna)


Weight   (g)499   (without antenna)600   (without antenna)2.6 kg   (Including battery)



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