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Submersible Level Sensor with Indicator, Valve and Pump Control, 4-20 mA, RS485, IP68 Liquid Level Alarm

US$58 Min. Order: 1 set

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WiFi Ultrasonic Liquid Level Sensor and Water Level Alarm for Water Towers, Tanks and Pools

US$28.60 Min. Order: 1 piece

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Water Level Alarm Induction Sensor with Sound and Light Alarm for Tank Overflow and Low Liquid Level Detection, 220V, 304 Stainless Steel

US$7.60-21 Min. Order: 1 piece

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Water Level Alarm with High-Low Alerts, Overflow and Leak Detection, Mute Function and High Accuracy

US$40-75 Min. Order: 1 piece

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TLC-2103WL Real-Time Monitoring Liquid Level Gauge with Automatic Alerts and Continuous Water Indicator for Tanks

US$38 Min. Order: 1 piece

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WiFi Water Liquid Level Alarm System with 120 dB Alarm and 1 m Vertical Stainless Steel Float Sensor

US$80 Min. Order: 1 piece

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SD-50A-TC Ultrasonic Level Meter for Seafood Aquaculture Ponds with Stable Level Reading in Windy and Wavy Weather

US$828-858 Min. Order: 1 piece

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SYCW200 Ultrasonic Level Meter for Seawater Aquaculture Ponds, Salt-Fog Corrosion Resistant

US$828-858 Min. Order: 1 piece

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Water Level Indicator, 30m 100m 200m 500m Plastic Tape, Level Measuring Instrument with Alarm

US$48 Min. Order: 1 unit

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RS485 Alarm 0-5V 4-20mA Water Tank Level Gauge, Ultrasonic Water Level Sensor Transmitter

US$135-145 Min. Order: 1 piece

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MR1C144 PVC High-Precision Water Level Sensor with Alarm

US$4.90-9 Min. Order: 10 pieces

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Ultrasonic Water Height and Level Sensor for Ponds

US$100-120 Min. Order: 1 piece

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Ultrasonic Water Level Monitor with Time Function, Alarm, IP68 Protection, 0.05m Accuracy

US$43-49 Min. Order: 2 pieces

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Automatic Vertical-Mounted Liquid Level Float Switch, IP68, 24V DC, for Pond Pumps and Water Tank Drainage Control

US$7-31.68 Min. Order: 10 pieces

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WiFi IP65 Waterproof Ultrasonic Smart Liquid Level Monitor with Adjustable Alarm Time

US$23.13-25.50 Min. Order: 1 set

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ABS Water Level Sensor Alarm with Sound and Light for Overflow, Leakage, and Water Shortage Detection

US$49 Min. Order: 1 piece

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High Water Level Detector Alarm for Tanks, Aquariums, Homes, and Basements

US$1.50 Min. Order: 10 pieces

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Intelligent Wireless Water Level Alarm Controller with High-Low, Water Shortage, and Full Tank Alerts

US$67.93-138.82 Min. Order: 1 piece

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Water Level and Leakage Detector Alarm, 120 dB, for Overflow and Full Water Detection

US$2.89 Min. Order: 100 pieces

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Wireless Remote Water Level Transmitter and Automatic Water Tank Level Indicator with Alarm

US$35 Min. Order: 10 pieces

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Wireless Ultrasonic Water Level Meter and Liquid Depth Sensor with Temperature Display and Alarm

US$35-36 Min. Order: 1,000 pieces

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High Precision H2S NH3 CO2 Temperature Humidity 8 in 1 Sensor PoE 2.4G 5G WiFi Professional Multi Gas Detector IP30 Rated

US$400-799 Min. Order: 1 set

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Latest Portable Multi Gas Monitor O2 Combustible H2S CO With High Accuracy Sensor

US$30-160 Min. Order: 1 piece

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Online Composite Gas Detector for Animal Farms NH3 CO2 H2S CO Temperature and Humidity

US$1,400 Min. Order: 1 piece