Features Advanced Liquid Level Monitoring: Relay engineered for accurate control over water level in pools, wells, water towers, reservoirs, and storage tanks, ensuring consistent water management. Dual-Mode Operation: This relay controller offers effortless switching between water draining and supply modes, catering to various system requirements for maintaining optimal water levels. Precision and Flexibility: Fine-tune your system with the adjustable sensitivity control (range 5-100kΩ) and time delay settings (0.1-10 seconds), providing tailored performance for diverse applications. Visual Indicators for Ease of Use: Monitor your equipment at a glance with the clear LED indication, which allows you to quickly check relay status. Compact and Easy Installation: GRL8-02 liquid level control relay's small footprint allows for efficient 35mm DIN rail mounting, saving space in your equipment setup and offering a streamlined installation process. <strong>Features:</strong> 1.&nbsp;Designed for monitoring liquid level in pool, well, water tower, reservoirs, tanks, etc. 2.&nbsp;You can set water draining mode and water supply mode. 3.&nbsp;Adjustable sensitivity by a knob (5-100kΩ). 4.&nbsp;Adjustable action time delay (0.1-10S). 5.&nbsp;Relay status is indicated by LED. 6.&nbsp;With small volume, 35mm DIN rail mount.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <strong>Specification:</strong> Model: GRL8-02 Function: 2 or 1 level control mode Power terminal: A1-A2 Rated power supply voltage: AC/DC 24-240V(50-60Hz) Power consumption: Max. 2VA Sensitivity adjustment range: 5-100kΩ Supply voltage tolerance: -15%; +10% Voltage in electrodes: Max. AC 5V Current in electrodes: Max. 0.1mA Response time: Max. 400ms Electrode cable allows distributed capacitance (maximum): 800nF-100nF Electrode cable length:&nbsp;≤100m Action delay time: 0.1s-10s (adjustable) Setting accuracy: 10% Output contact parameters: 1 x SPDT, 10A/AC1, 250VAC/24VDC Minimum switching power: 500mW Power indicator: Green LED Output indication: Red LED Mechanical life: 1x10⁷ Electrical life(resistive load): 1x10⁶ Reset time: Max 200ms Working temperature: -20℃~55℃ Mounting method: 35mm DIN rail Mounting altitude:&nbsp;≤2000m Wiring capability: 1x2.5mm²&nbsp;or 2x1.5mm² Dimensions: 90*18*64mm / 3.54*0.71*2.52in Weight: Approx. 82g/2.9oz &nbsp; <p class="ql-align-justify"><strong>Package&nbsp;List:</strong> 1 *&nbsp;Liquid Level Control Relay &nbsp; <strong>Note:</strong> <p class="ql-align-justify">1.&nbsp;Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2.&nbsp;Please allow slight error due to manual measurement. Thanks for your understanding. Package List