This solar-powered nitrate ion sensor operates on self-sustaining photovoltaic power, requiring no external power supply or wiring, and is suitable for various outdoor water environment monitoring scenarios. It features high detection accuracy and fast response speed, enabling real-time and precise collection of nitrate ion concentration data in water. With stable operation and low power consumption, it is widely used in aquaculture, rivers, lakes, municipal sewage, field water environments and other fields. Its integrated design allows for easy installation and supports long-term uninterrupted online monitoring, facilitating water quality control and environmental monitoring.

This product is a leaf temperature and humidity transmitter that uses RS485 (Modbus RTU) interface. Its humidity sensor is based on the principle of dielectric constant measurement, designed to mimic the geometric shape of real leaves, and can sensitively detect small residual moisture on the leaf surface; The temperature sensor adopts high-precision thermistor for precise measurement across the entire range. Main technical parameters: temperature range -40~80 ℃, accuracy ± 0.5 ℃; Humidity range 0~100% RH, accuracy ± 3% RH (@ 25 ℃). The whole machine is encapsulated with epoxy resin, with a protection level of IP67, wide voltage power supply DC 4.5-30V, low power consumption, and customizable wire length. Suitable for continuous monitoring of plant leaf or object surface humidity in scenarios such as greenhouses, laboratories, livestock farms, and artificial climate chambers.

This is an industrial grade online nitrate ion sensor that uses PVC membrane ion selective electrode method to detect nitrate concentration in water in real time. The default range is 0~100 mg/L (optional 0~1000 mg/L), with an accuracy of ± 5% or ± 2 mg/L, and a response time of less than 60 seconds. Built in Pt1000 automatic temperature compensation, supports RS-485 (Modbus RTU) output and optional 4-20mA, making it easy to connect to PLC, DCS and other systems. 3/4 NPT thread installation, IP68 protection, optional POM+316L corrosion-resistant material for housing, suitable for sewage treatment, surface water monitoring, pipeline and tank immersion measurement.

This industrial wall-mounted temperature and humidity transmitter features a clear LCD display and high-precision sensing. Equipped with RS485 output and standard Modbus RTU protocol, it easily integrates into building automation, HVAC, cleanrooms, warehouses, and environmental monitoring systems. The probe supports a wide operating range of -40℃ to +120℃, while the transmitter circuit works reliably from -20℃ to +60℃ (0~95%RH non-condensing). With ±0.4℃ temperature accuracy and ±2%RH humidity accuracy (B accuracy: ±0.5℃ / ±3%RH), it delivers stable, real-time data. Powered by 10-30V DC, the device supports both wall-mounted and DIN-rail installation. Optional analog outputs (4-20mA / 0-10V) are available. The LCD screen displays temperature, humidity, and device address, and parameters can be adjusted via onboard buttons. Built for industrial environments, it ensures long-term reliability and easy maintenance.

This solar powered water quality chloride ion sensor adopts photovoltaic self power supply and low-power design, which can achieve online continuous monitoring of chloride ion concentration in outdoor water bodies without the need for external power supply. Built in high selectivity solid-state chloride ion electrode, stable measurement, strong anti-interference, supports 4G/LoRa wireless transmission and cloud platform alarm. Suitable for seawater intrusion warning, agricultural irrigation water quality control, industrial wastewater discharge, and drinking water safety assessment. Protection level IP68, no wiring installation, significantly reducing maintenance costs, and assisting in the remote monitoring deployment of smart water management and ecological environmental protection.

The online nitrite ion sensor adopts PVC membrane ion selective electrode method, designed specifically for online monitoring of nitrite concentration in water quality. The measurement range is 0~2.000 mg/L, with an accuracy of ± 5%, and built-in Pt1000 automatic temperature compensation. Output RS485 (Modbus RTU) signals, which can be easily connected to PLC, DCS, and industrial control systems. The shell is made of 316L stainless steel, with a protection level of IP68, and supports 3/4NPT threaded immersion installation. The sensor has undergone two-point calibration before leaving the factory and has long-term stability, suitable for various working conditions such as pipelines and water tanks.

Our LoRaWAN Nitrate Ion Transmitter is a high-performance wireless sensor designed for precise nitrate ion detection in water environments. Built with a reliable PVC membrane selective electrode and automatic temperature compensation, it provides fast, accurate readings with minimal maintenance. Featuring LoRaWAN communication, it enables long-range, low-power data transmission for remote, continuous monitoring. Perfect for use in industrial wastewater treatment, drinking water quality control, surface water analysis and agricultural irrigation systems.

LoRaWAN nitrite ion transmitter, designed specifically for online monitoring of water quality. Adopting PVC membrane ion selective electrode, with a range of 0-2 mg/L, resolution of 0.001 mg/L, accuracy of ± 5%, and integrated Pt1000 automatic temperature compensation. Supports LoRaWAN wireless communication (OTAA Class A/C), with a default reporting period of 10 minutes, long transmission distance, and flexible networking. Widely applicable for detecting nitrite concentration in industrial wastewater, surface water, drinking water, and agricultural process control. The electrode has a lifespan of 1-2 years, supports zero point, slope, and temperature calibration, and is easy to maintain. The equipment is powered by a wide voltage range (DC10-28V), with flexible installation methods, to assist in remote intelligent monitoring of water quality.

ZONEWU LoRaWAN Solar Powered Multi-Parameter Soil Sensor is a high-precision, low-power soil monitoring device based on LoRaWAN wireless communication technology. Designed for agricultural irrigation, forestry cultivation, ecological monitoring and horticultural planting, it can simultaneously measure soil EC, temperature and humidity in real time. The sensor uploads data to the cloud platform via long-distance wireless transmission, providing users with accurate and efficient soil environment monitoring solutions, and helping to achieve intelligent water and fertilizer management as well as precise environmental control.