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  • Winland W-S-U — Unsupervised Surface Water Probe Specifications

    September 08, 2026 1 min read

    Product datasheet for the Winland W-S-U — an unsupervised surface-mount water probe accessory for WaterBug WB-200, WB-350, and WB-800 systems.

    Full text manual (for reference)

    Product datasheet for the Winland W-S-U — an unsupervised surface-mount water probe accessory for WaterBug WB-200, WB-350, and WB-800 systems.

    Overview

    The W-S-U is a stable surface-mount water detection probe suitable for use near aquariums, storage areas, and residential applications. Unlike the supervised W-S-S variant, this probe does not detect a severed wire — it only signals when water is present at the probe contacts.

    Key Features

    • Stable surface mount design
    • Maximum recommended cable run (22-18 AWG twisted pair): 100' (30.5 m) on WB-200 and WB-350; 500' (152.4 m) on WB-800
    • Four stainless steel probe contacts must be mounted flush against the surface being monitored to detect water reliably

    Specifications

    Spec Value
    Dimensions 3.0 x 2.0 x 0.88" (76.2 x 50.8 x 22.35 mm)
    Cable Length 15' (4.5 m)
    Weight 6 oz (170 g)

    Compatible Products

    Accessory for: WaterBug WB-200, WB-350, and WB-800.

    Support

    Winland Electronics. www.winland.com · 800-635-4269 · 507-625-7231