Campbell OBS501
Posted on 09 November 2015
 
  • Dual Probe: 90° side scatter and backscatter
  • Range: 0 to 4000 NTU
  • Active and Passive Antifouling: shutter, wiper, biocide, copper, optional removable sleeve
  • Accuracy: ±2% of reading or 0.5 NTU (whichever is greater)
  • Temperature Range: 0° to 40°C
  • Temperature Accuracy: ±0.3°C
  • Emitter Wavelength: 850 nm
  • Power Requirements: 9.6 to 18 Vdc
  • Measurement Time: < 10 s
  • Maximum Submersion Depth: 100 m (330 ft)
  • Diameter: 4.8 cm (1.88 in.)
  • Length: 27 cm (10.63 in.)
  • Weight: 0.59k g (1.30 lb)
  • Maximum Cable Length: >500 m (1640 ft)

Power Consumption

  • Quiescent: < 200 µA
  • Measurement: < 40 mA
  • Communication: < 40 mA
  • Maximum Peak Current: 200 mA for 50 ms when shutter motor starts
  • Active Shutter Motor: < 120 mA

Outputs

  • SDI-12: version 1.3, 1200 bps
  • RS-232: 9600 bps
  • Analog: 0 to 5 Vdc


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