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Regional Leak Sensor SPD780

The regional leak sensor SPD780 is a simple-to-operate and cost-effective liquid leakage detection device with an unpositioned leak detection controller. It allows users to select different sensing sensitivities through the dip switch on the panel to adapt to different detection environments and grade requirements. The relay contact signals and RS485 signals output by the controller can be integrated with various monitoring systems to achieve remote monitoring, with a communication distance of up to 1200m.
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Product Features


  1. High Stability: This product has high sensitivity, stable operation, strong versatility, expandability, and anti-electromagnetic interference design to avoid interference caused by various external factors, making it suitable for different occasions.

  2. Interface Type: Standard RS485 communication.

  3. Simple and Easy to Use: Suitable for standard DIN35mm industrial rail installation. When a leak occurs, the indicator light turns on, and the controller automatically returns to normal after the emergency is resolved.

  4. Construction and Installation: The sensor is small in size and light in weight, and can be installed by suspension or wall mounting. The construction and installation are convenient.

  5. One-click Silence: There is a buzzer silence button on the controller panel.

  6. Service Life: After more than ten years of technological upgrade and optimization, with its outstanding reliability, the service life is long.


Product Parameters


Parameter ItemSpecification
Product Size843856.5mm (LengthWidthHeight)
Working Voltage12V DC, power consumption ≤ 0.5W
Interface TypeRS485 interface
Communication ProtocolModbus_RTU
Baud Rate2400, 4800, 9600, 19200bps
Working EnvironmentWorking temperature -40℃~70℃
EMC ProtectionSurge ±4KV, EFT ±4KV


Product Application Scenarios


  1. Covering Industries: Finance, communication, government affairs, transportation, logistics, factories, warehouses, medicine, and many other industries.

  2. Application Scenarios: Computer rooms, warehouses, power distribution rooms, factories, workshops, laboratories, etc.


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