Explore our production-grade digital temperature, relative humidity, TVOC, HCHO, Ozone, and gas transmitter units designed for integration into enterprise SCADA & IoT frameworks.
Beijing Yingchuanglihe Electronic Technology Co., Ltd. is a high-tech industrial enterprise integrating R&D, manufacturing, and international sales of precise environmental monitoring sensors.
Established in 2007, Beijing Yingchuanglihe Electronic Technology Co., Ltd. has developed into a premier manufacturer of environmental monitoring sensors and telemetry equipment. Based in Beijing, China, we operate a modern, specialized SMT and production base covering over 1,500 square meters and employing more than 100 dedicated technical staff. Our product portfolio encompasses temperature and humidity transmitters, atmospheric pressure devices, and complex multi-parameter gas sensors designed to provide long-term, drift-free environmental data support for commercial data centers, automated warehouses, chemical laboratories, and smart agricultural networks worldwide.
How high-precision digital temperature and humidity transmitters mitigate risks and optimize energy use across modern smart facilities.
In the age of Industry 4.0 and automated supply chains, precise environmental control is no longer a localized operational concern; it is a foundational component of operational efficiency and risk mitigation. For instance, hyperscale data centers require strict compliance with ASHRAE thermal guidelines to optimize Power Usage Effectiveness (PUE) while preventing hardware degradation caused by electrostatic discharge or microscopic metal whiskers.
Similarly, the pharmaceutical and biotechnology sectors are bound by strict GMP (Good Manufacturing Practice) and FDA CFR Title 21 compliance. This makes reliable environmental loggers necessary for validating continuous storage conditions during cold chain transit. Modern digital transmitters process raw physical values directly inside the probe enclosure. They transmit digital packets over industrial communication protocols like Ethernet (PoE), Modbus RTU, or LoRaWAN. This approach mitigates the electromagnetic interference that commonly plagues traditional analog transmitters (4-20mA or 0-10V) over long cable runs.
We integrate high-precision sensor chips imported from Switzerland and Germany, guaranteeing drift-free accuracy and outstanding long-term stability in extreme industrial conditions.
Supporting standard Ethernet (TCP/IP), PoE (Power over Ethernet), Modbus RTU (RS485), and long-range wireless LoRaWAN for integration into SCADA systems.
Our entire catalog undergoes rigorous electromagnetic compatibility, safety testing, and hazardous substance validation, meeting international standards.
State-of-the-art tooling and quality processes that ensure reliable field telemetry.
Profound engineering expertise developed through partnerships with domestic and global automation networks, translating directly into reliable telemetry solutions.
Full OEM/ODM customization services to accommodate unique application requirements, including custom housing shapes, tailored firmware protocols, and multi-gas arrays.
Five specialized automated production lines that keep manufacturing processes under strict QC oversight, guaranteeing stable lead times even for large wholesale orders.
Where our high-performance transmitters are deployed to ensure accuracy, stability, and control.
Outdoor telecommunication cabinets are subjected to extreme weather variations. Condensation can lead to short circuits and corrosion. Our APEM-5930W and APEM-5930E Ethernet transmitters monitor indoor humidity levels, allowing ventilation systems to activate before dew point threshold crossings trigger electrical faults.
Server rack inlets must maintain precise temperature profiles to ensure hardware reliability and prevent hotspot formation. Integrating Power over Ethernet (PoE) multi-sensor units like the APEM-5930P (which measures atmospheric pressure along with temperature, humidity, and dew point) allows data center managers to assess pressure differentials across containment aisles, optimizing air conditioning deployment.
Preventing cross-contamination in medical production spaces requires positive pressure barriers and strict relative humidity controls. Our multi-parameter transmitters track humidity, dew point, and air pressure parameters simultaneously, logging real-time data to help laboratories comply with regulatory standards.
Roadside edge computing gateways and autonomous driving test boxes require robust telemetry systems that can withstand vibration and temperature fluctuations. Since 2021, Yingchuanglihe has engineered custom monitoring kits for roadside units (RSUs), ensuring the stability of edge computers in extreme summer and winter climates.
Over a decade of milestones in technology innovation and supply chain expansion.
Our most requested transmitter models for automation and building monitoring projects.
Model: APEM-5930. Dedicated PoE Power Supply. Temperature + Humidity + Dew Point monitoring.
Model: APEM-5930P. Atmospheric Pressure + Temperature + Humidity + Dew Point tracking.
Model: APEM-5930E. Temperature + Humidity + Dew Point with optional remote cable probes.
Model: APEM-5930G-IAQ-CO. Combines CO, VOC, Temperature, and Humidity in a single device.
How our automated production lines and component sourcing strategies protect lead times and ensure product quality.
Yingchuanglihe's location in Beijing, China, positions us within one of the world's most robust electronics manufacturing ecosystems. We maintain deep strategic partnerships with raw component manufacturers, microchip brokers, and injection molding plants. This integration allows us to navigate component shortages that disrupt production for other manufacturers. Our factory uses automated surface mount technology (SMT) systems and automated testing rigs. This ensures every transmitter is assembled with consistent quality and precise solder joint layouts.
To eliminate drift and ensure reliability in the field, every batch of transmitters undergoes a multi-stage calibration process in our environmental chambers, referenced against high-precision dew-point mirrors. We manage calibration curves and offsets inside our units' microcontrollers. This allows us to supply ready-to-use transmitters that do not require field calibration, saving time for installers and system integrators.
| Feature / Parameters | APEM-5930 Base Series | APEM-5930P Pressure Series | APEM-5930G Gas/IAQ Series | APEM-5736 LoRa Series |
|---|---|---|---|---|
| Sensing Elements | Swiss Import Chip Core | High-Precision Swiss Chip | Dual Electrochemical Array | Ultra-Low Power CMOS |
| Temp Range / Acc. | -40 to +80°C (±0.3°C) | -40 to +80°C (±0.3°C) | -20 to +60°C (±0.5°C) | -40 to +85°C (±0.3°C) |
| Humidity Acc. | ±2% RH (10% to 90%) | ±2% RH (10% to 90%) | ±3% RH (20% to 80%) | ±2% RH (0% to 100%) |
| Supported Interfaces | RJ45 Ethernet, PoE, Modbus TCP | RJ45 Ethernet, PoE, Modbus TCP | Ethernet RJ45, RS485, Relay | LoRaWAN Protocol (868/915Mhz) |
| Integrated Gas | N/A | Barometric Pressure (10-1200hPa) | CO, TVOC, HCHO, H2S, O2, O3 | N/A |
Our commitment to quality, engineering standards, and worldwide support.
Our vision for environmental telemetry: smaller form factors, integrated gas sensing, and self-healing calibration algorithms.
As environmental monitoring systems scale, deploying discrete sensors for each parameter becomes cost-prohibitive. Yingchuanglihe's development roadmap focuses on multi-parameter sensor fusion. The APEM-5930G series demonstrates this approach by housing sensors for temperature, humidity, carbon monoxide, and volatile organic compounds (TVOCs) within a single Ethernet-connected enclosure.
Future sensor arrays will utilize dynamic gas compensation algorithms to adjust sensitivity based on humidity and ambient temperature values, reducing sensor cross-sensitivity. Additionally, we are integrating ultra-low-power LoRaWAN options with battery lives of up to five years, along with 5G NB-IoT connectivity for direct cellular communication. This allows systems to operate independently of local facility networks.
Explore additional options, including multi-parameter IAQ loggers, dual-channel gas telemetry, and wireless transceivers.
Detailed technical and commercial answers regarding our environmental transmitters and OEM services.
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