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LCD Digital Wood Moisture Meter, Pin Type Humidity Tester for Timber, Water Leak Detector with Sensor, Dampness Detector for Wood Testing, Home and Industry Use

RS485 Water Immersion Detector Seins0r Leakage Over Flow IP65 High Sensitivity Industrial Engineered Liquitd Switches Signal Sende Transmlttier Alarrm

SKESTORE Ammonia Sensor NH3 Detector Ammonia Sensor Industrial Ammonia Leak Sensor NH3 Sensor Module(0-5V 0-500ppm)

Ammonia Sensor OLED Display NH3 Detector Ammonia Sensor Industrial Ammonia Leak Sensor NH3 Sensor Module(OLED0-10V0-1000ppm)

TEHAUX Water Detection Probe Tool Reusable Multi-use Water Leak Sensor for and Industrial Use High Precision Leak Detection Easy to Install Low Maintenance

Ammonia Sensor OLED Display NH3 Detector Ammonia Sensor Industrial Ammonia Leak Sensor NH3 Sensor Module(OLEDRS4850-500ppm)

Socket Tester Accurate Detection Color Screen Intelligent Digital Display Power Failure Detector for Home Industry (US Plug)

Mavaol AC Leakage Tester, High Accuracy, Advanced Shielding, Wide Measurement Range, Portable Design for Industrial Power Diagnostics