Features: _x000D_ 1. Designed for monitoring liquid level in pool, well, water tower, reservoirs, tanks, etc. _x000D_ 2. You can set water draining mode and water supply mode. _x000D_ 3. Adjustable sensitivity by a knob (5-100k). _x000D_ 4. Adjustable action time delay (0.1-10S). _x000D_ 5. Relay status is indicated by LED. _x000D_ 6. With small volume, 35mm DIN rail mount. _x000D_ Specification: _x000D_ Model: GRL8-02 _x000D_ Function: 2 or 1 level control mode _x000D_ Power terminal: A1-A2 _x000D_ Rated power supply voltage: AC/DC 24-240V(50-60Hz) _x000D_ Power consumption: Max. 2VA _x000D_ Sensitivity adjustment range: 5-100k _x000D_ Supply voltage tolerance: -15%; +10% _x000D_ Voltage in electrodes: Max. AC 5V _x000D_ Current in electrodes: Max. 0.1mA _x000D_ Response time: Max. 400ms _x000D_ Electrode cable allows distributed capacitance (maximum): 800nF-100nF _x000D_ Electrode cable length: 100m _x000D_ Action delay time: 0.1s-10s (adjustable) _x000D_ Setting accuracy: 10% _x000D_ Output contact parameters: 1 x SPDT, 10A/AC1, 250VAC/24VDC _x000D_ Minimum switching power: 500mW _x000D_ Power indicator: Green LED _x000D_ Output indication: Red LED _x000D_ Mechanical life: 1x107 _x000D_ Electrical life(resistive load): 1x106 _x000D_ Reset time: Max 200ms _x000D_ Working temperature: -20~55 _x000D_ Mounting method: 35mm DIN rail _x000D_ Mounting altitude: 2000m _x000D_ Wiring capability: 1x2.5mm2 or 2x1.5mm2 _x000D_ Dimensions: 90*18*64mm / 3.54*0.71*2.52in _x000D_ Weight: Approx. 82g/2.9oz _x000D_ _x000D_ Package List: _x000D_ 1 * Liquid Level Control Relay _x000D_ _x000D_ Note: _x000D_ 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. _x000D_ 2. Please allow slight error due to manual measurement. Thanks for your understanding. 1Designed for monitoring liquid level in pool, well, water tower, reservoirs, tanks, etc. 2You can set water draining mode and water supply mode. 3Adjustable sensitivity by a knob (5-100k). 4Adjustable action time delay (0.1-10S). 5Relay status is indicated by LED.