HYDRO-WIPER-D OBS-3+ 12 Vdc Datalogger-Controlled Mechanical Wiper


The HYDRO-WIPER-D is a common accessory for the OBS-3+ Turbidity sensor. This data-logger-controlled wiper can be activated to remove algae and other fouling before each measurement. The HYDRO-WIPER-D uses the data logger's power supply and has a 5 m (16 ft) cable.



Control Input The wiper control module has an internal 10 k pull-down resistor. The control line needs to be set high to +5 volts for a minimum of 10 ms to initiate a wipe.
Power Supply 8 to 15 Vdc
Power Consumption
  • Typically 90 mA during a wipe. If the wiper arm is jammed, power consumption can momentarily rise to about 500 mA.
  • 0.05 mA (between wipes)
Construction Stainless steel, acetal
Wiper Shaft Multiple bearing support with quad ring seal
Cable EPDM jacketed cable
Depth Rating 30 m (98.425 ft)

Listed Under

Common Accessory for the following products:

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