The Air Quality Multi-in-One Transmitter is an environmental parameter monitoring device that integrates the measurement of temperature and humidity, PM2.5, CO₂, VOC, formaldehyde (HCHO) concentration, ozone and illuminance. Featuring a compact size, sleek appearance, multiple detection parameters, high measurement accuracy and long service life, it adopts the standard Modbus-RTU protocol with RS485 output and supports wall-mounted installation. It is an ideal choice for physical quantity monitoring in modern buildings and office environments.

The water pipe pressure transmitter is developed for a variety of industrial control applications, featuring professional reliability as well as a concise and user-friendly appearance. The output signal can be converted into a standardized signal via the sensing bridge. The circuit board is housed in a robust stainless steel enclosure, which not only resists harsh and extreme environmental conditions but also significantly reduces noise interference. Every sensor undergoes rigorous inspection and calibration before leaving the factory to ensure impeccable quality. This product can be applied to the following systems: Water conservancy monitoring systems Air compressors Pneumatic equipment Pump control systems HVAC systems Main Features: Temperature compensation Amplified output High-performance output signal Compact design Excellent shock resistance Zero and span adjustment available

It is used to monitor the status of filters, fans and air flows in the air duct. The product can also intuitively rotate the setting knob to the required pressure value according to on-site needs, and ensure the accuracy of the pressure measurement value.

The ZYH-412 Series Micro-Differential Pressure Transmitter is a state-of-the-art product for micro-pressure measurement. It adopts a micro-differential pressure sensor based on the thermal wire measurement principle, with a measuring range as low as 25Pa. It is widely applicable to the measurement of indoor and outdoor pressure differences, as well as air duct pressure differences and air velocities.