YWBL-WH Liquid Sensor,Water Level Detection Sensor Module Infrared Liquid Double-Level Alarm Control

$29.89
In Stock.
Product prices and availability are accurate as of 2020-09-27 02:09:25 UTC and are subject to change. Any price and availability information displayed on http://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

Product Description

Product Features

This is a infrared dual-level water sensor module with two detection probes. Liquid sensor is used in laboratory, automatic water filling system of fish tank and other situations requiring water level control and protection, as well as general industrial site water level control. When liquid level state indicators (D3, D4) light on at the same time, relay status indicator (D1) lights on and relay start to work. NO and COM are connected and external load starts to work. When D3, D4 light off at the same time, D1 lights off and relay stops working. Output mode is relay switch output, withstand current is 30A. Sensor probes adopt full-sealed waterproof design.

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