sensor

Atmospheric pressure (atmosphere, unit hPa) is a crucial meteorological element. Changes in air pressure often foreshadow weather changes such as sunshine, rain, and fog, and are also key parameters for altitude conversion and environmental analysis. Traditional mercury barometers are bulky, cannot achieve automated data output, and are difficult to adapt to long-term observations at field stations. Atmospheric pressure sensors (pressure transmitters), using MEMS (Micro-Electro-Mechanical Systems) chips as their core, convert air pressure changes into electrical signals, enabling continuous, 24/7 air pressure data acquisition. They are essential sensing terminals for automatic weather stations, smart agriculture, and environmental monitoring systems. Measurement Principle and Core Product Advantages Mainstream industrial-grade atmospheric pressure sensors utilize MEMS sensing technology and are divided into piezoresistive and capacitive types. Piezoresistive MEMS barometric pressure s...

Liquid level is a crucial process parameter for chemical storage tanks, wastewater regulating ponds, pump station tanks, and reservoirs. Traditional float level gauges and submersible hydrostatic level gauges require direct contact with the medium, making them prone to corrosion, scaling, and sediment accumulation. Ultrasonic level gauges are susceptible to distortion in environments with steam, dust, or foam. Radar level sensors (radar level transmitters) utilize FMCW (Frequency Modulated Continuous Wave) microwave technology. The device is installed above the liquid surface, performing level measurement completely non-contactly, unaffected by media corrosiveness or steam/mist interference. Measurement Principle and Core Advantages The mainstream technologies are non-contact FMCW frequency-modulated continuous wave radar and guided wave radar. FMCW Non-Contact Radar Level Sensor: The antenna transmits a continuously modulated microwave signal. The microwaves are reflected from the l...

Ammonia (NH₃) is an irritating and harmful gas. It is released from the fermentation of livestock and poultry manure, fertilizer and chemical production, and the decomposition of soil organic matter. Excessive concentrations can damage the respiratory tracts of livestock and workers, corrode production equipment, and are also a significant air pollutant. Traditional manual inspections can only detect intermittently, failing to promptly identify sudden increases in concentration and potential leaks. Ammonia sensors (ammonia transmitters) primarily utilize electrochemical sensing, with some high-end models employing laser spectroscopy technology to achieve 24-hour continuous online monitoring. They are widely used in livestock and poultry farming, chemical workshops, agricultural greenhouses, and environmental boundary monitoring. Five Core Application Scenarios 1. Large-scale Livestock and Poultry Farming: Real-time monitoring of ammonia in pigsties and chicken coops, linked to ventila...

Carbon dioxide is a key indicator for evaluating the safety of confined spaces, the light environment of facility agriculture, and industrial production conditions. Continuous accumulation of CO₂ in confined environments can cause dizziness and even suffocation in personnel; its concentration in greenhouses directly determines the photosynthetic efficiency of crops; and in chemical and metallurgical processes, concentration changes can directly reflect the operating status of production equipment. Traditional manual sampling and testing suffers from latency and cannot achieve continuous monitoring around the clock. Carbon dioxide sensors mainly fall into two technical categories: NDIR (non-dispersive infrared) and electrochemical sensors. They are available in fixed transmitters and portable detectors, and are widely used in industrial security, smart agriculture, environmental research, and biomedicine. Measurement Principle and Core Advantages NDIR (non-dispersive infrared) technolo...

Atmospheric pressure is a crucial physical parameter reflecting weather evolution and altitude changes. Pressure fluctuations can predict weather events such as sunshine, rain, and cold waves, and are widely used in aerial exploration, industrial automation, smart agriculture, and archival storage. Traditional mercury barometers require manual on-site readings and cannot transmit data digitally, making them unsuitable for IoT-based automated monitoring systems. Atmospheric pressure sensors (atmospheric pressure transmitters) convert physical atmospheric pressure signals into standardized electrical signals, enabling 24/7 unattended automatic data acquisition. They are essential front-end sensing devices for micro-weather stations and environmental IoT systems. Measurement Principles and Core Advantages Mainstream products utilize three main technological approaches: MEMS piezoresistive, silicon capacitive, and silicon resonant. Piezoresistive pressure gauges rely on the deformation o...

Turbidity is a core water quality indicator for assessing the cleanliness and pollutant content of water bodies. The numerical value directly reflects the total amount of sediment, colloids, algae, and suspended pollutants in the water. It is a mandatory monitoring parameter for tap water supply, sewage treatment, river and lake ecology, industrial production, and aquaculture. Traditional laboratory sampling and testing suffers from drawbacks such as lag, inability to monitor 24/7, and high labor costs. Water turbidity sensors (turbidity transmitters), relying on 90° infrared scattering optical technology, can continuously collect data while submerged in water for extended periods. They are indispensable front-end sensing hardware for smart water management and watershed ecological monitoring networks, providing stable quantitative data support for water quality process control, pollution source tracing, and long-term water resource management. Five Core Industry Application Scenario...