The WaterBug® 350, water detection device, is ideal for computer rooms, document storage areas, warehouses, sump pumps and basements. WaterBug sensors activate the alarm when a conductive bridge is formed between 2 contacts. Protect your assets with the WB350.


  • Low battery alarm
  • Internal audible alarm
  • Includes one standard unsupervised surface sensor (W-S-U)
  • Accepts up to 6 sensors (W-S-U and W-UC-U)
  • Sensors can be located up to 100’ (30.48 m) away from the unit for wide area protection
  • Utilizes 9V battery for stand-alone operation, battery not included

Product Specifications

Power Requirements 9VDC via alkaline battery @ 40µA (resting)
Approximate Battery Life 1 to 2 years (battery not included)
Operating Temp 32 to 140°F (0 to 60°C) Non-condensing environment. Indoor use only.
Output Open collector 25mA max collector current 30VDC
Audible Alarm (Integrated) 83 dB @ 30 cm @ 9VDC, pulsed
Maximum Sensors per Console 6
Console Dimensions 5 x 2.44 x 1.25” (12.7 x 6.2 x 3.18 cm)