Premium PoE Temperature, Humidity, and Environmental Multi-Sensors Built for Mission-Critical Infrastructure
Model: APEM-5930. Compact industrial monitoring unit combining Temperature + Humidity + Dew Point. Built-in PoE (DC12~48V + PoE) for ultra-stable deployment.
Advanced remote probe integration via custom cable (1-3 meters), isolating the measurement head from the network transceiver box. Highly suited for environmental chambers.
Expands the core environmental framework to measure absolute atmospheric pressure. Ideal for controlling pressure differentials to prevent cross-contamination.
Dual-mode design combining redundant Wired Ethernet interface with a flexible fallback WiFi module. Restores wireless transmissions during local Ethernet loop maintenance.
Combines industrial temperature and humidity sensors with a high-performance Carbon Monoxide electrochemical head, creating a single, easy-to-integrate indoor air quality safety logger.
A specialty industrial gas monitoring node designed for chemical plants and storage warehouses. Provides real-time tracking of harmful ambient Sulfur Dioxide and Nitrogen Dioxide gases.
Engineered for cleanroom and sensitive semiconductor assembly areas. Provides simultaneous monitoring of Total Volatile Organic Compounds and corrosive Ozone levels.
Integrates Oxygen gas depletion tracking alongside hazardous Hydrogen Sulfide (H₂S) gas sensors. Outfitted with 2-channel digital inputs and a programmable warning relay output.
In today's globalized manufacturing and edge computing landscapes, environmental monitoring is no longer a simple routine check. Modern operations rely on real-time, micro-second telemetry to protect high-density computing clusters, automated production lines, and delicate biological processes. The industry is rapidly transitioning from traditional analog transmitters (4-20mA or 0-10V loops) to fully integrated, native Ethernet Temperature and Humidity Sensors.
By deploying sensors directly into the local subnet, operators can leverage standard network routing, Power over Ethernet (PoE) 802.3af/at frameworks, and internet-native communication protocols (such as Modbus-TCP, SNMP, and MQTT). This eliminates the need for expensive intermediate PLCs, signal converters, or separate power cables, greatly reducing installation costs and simplifying field expansions.
Direct PoE single-cable drops eliminate separate mains wiring and electrical conduit runs, cutting deployment overhead by up to 45% per drop.
Direct transmission via SNMP and JSON over HTTP allows standard IT network monitoring tools (PRTG, Zabbix) to track raw hardware conditions seamlessly.
Over 18 Years of R&D and Manufacturing Excellence Underwriting Industry Standards
We source high-precision physical sensor elements from market leaders like Sensirion in Switzerland and Bosch in Germany. This ensures robust chemical resistance, low power draw, and highly stable readings over long deployments.
Our dedicated Beijing engineering team supports deep customization of enclosure designs, custom PCB layouts, specialized external probes, custom Modbus register mappings, and customized firmware builds.
Our products are fully certified with CE, FCC, and RoHS standards. Our global support system guarantees a response to industrial technical inquiries within 8 hours, backed by direct factory engineering resources.
A Comprehensive Overview of the Electrical and Firmware Systems Behind Our High-Performance Devices
At the heart of the APEM-5930 series lies a low-latency 32-bit ARM Cortex-M processor core. It operates a real-time scheduler designed to handle multiple tasks concurrently: polling sensitive physical sensor elements via I2C, running auto-calibration logic, updating the internal web portal, and transmitting telemetry data across the TCP/IP stack.
We maintain a unified communication codebase that handles multiple industrial standard protocols out of the box, allowing simple integration into various monitoring setups:
Precision measurement requires isolating electrical interference. High-speed networking signals can introduce ground loops and high-frequency noise. Our devices feature robust 1.5kV galvanic isolation on both the ethernet port and power lines, keeping sensitive measurement circuits safe from electrical noise.
| Environmental Metric | Measurement Range | Typical Accuracy | Response Time (t90) |
|---|---|---|---|
| Temperature (Internal/External) | -40°C to +85°C (Sensor Box) | ±0.3°C (Optional ±0.1°C SHT) | < 5 seconds |
| Relative Humidity | 0 to 100% RH | ±1.8% RH (Standard SHT35) | < 8 seconds |
| Dew Point Calculation | -40°C to +85°C Td | Calculated via Magnus Formula | Real-time |
| Atmospheric Pressure | 300 to 1100 hPa | ±1.0 hPa | < 1 second |
Key Milestones Highlighting Beijing Yingchuanglihe's 18-Year Commitment to Technology and Strategic Partnerships
Beijing Yingchuanglihe was founded. Developed our first intelligent environmental monitoring terminal based on native TCP/IP, alongside initial software suites.
Partnered with Mocha Software to launch the TH-5939 series, featuring integrated SNMP protocol support for IT infrastructure management.
Collaborated with Switzerland's COMLAB to launch the TH-5869 rugged protection device, deployed along major high-speed rail lines like Beijing-Shanghai.
Partnered with Founder Technology to launch the APEM-6100, marking our early adoption of Power over Ethernet (PoE) technology.
Partnered with Foxconn to establish our sensors as one of the baseline standards for environmental monitoring across precision electronics workshops.
Partnered with Baidu to deploy the next-generation APEM-5900 Ethernet terminal at Baidu's Yangquan Data Center, supporting large-scale, high-density computing clusters.
Launched an integrated outdoor cabinet monitoring system, deployed in large expressway initiatives with Huawei and China Merchants Huaruan.
Developed rugged roadside test boxes for autonomous driving networks in Beijing and supplied environmental sensor suites for modern intelligent computing facilities.
Co-founded a Beidou Business Division with BUCEA, focusing on high-precision pipeline monitoring and structural deformation tracking, while securing our IDC business qualifications.
Discover How Our Ethernet Sensors Protect Infrastructure and Optimize Yields Across Varied Applications
High-density computing servers demand strict temperature and humidity management (ASHRAE standards) to prevent equipment failure and cooling inefficiencies. Deployed directly at rack air intakes, our PoE sensors deliver real-time environmental data to DCIM systems via SNMP or Modbus, facilitating automated, dynamic air flow adjustments.
Pharmaceutical ingredients, food items, and premium chemicals require continuous storage monitoring to maintain quality. Our external-probe sensors, like the APEM-5930E, isolate the sensor electronics from the cold zone. Local data logging safeguards records during network dropouts, ensuring complete audit trails.
Semiconductor cleanrooms and biomedical facilities rely on tight differential pressure controls to prevent contamination. The APEM-5930P tracks barometric pressure variations alongside temperature and humidity, helping environmental management systems maintain cleanroom integrity.
Technical Answers to Key Hardware Integration Questions
We construct our custom sensors using physical components sourced from Swiss leaders like Sensirion and German experts like Bosch. These elements feature excellent long-term baseline stability, low drift (<0.03°C per year), and robust chemical resistance. This is essential for cleanrooms, pharmaceutical hubs, and high-altitude autonomous roadside boxes, keeping our sensors within spec without requiring frequent recalibrations.
Our Ethernet sensors conform to the IEEE 802.3af Standard (Class 1, low power draws). This allows both standard IP communication data and DC electrical power to travel down a single standard Cat5e or Cat6 Ethernet line, sourced from a standard PoE-compliant switch port. By removing the need for separate electrical cabling or local power adapters, our clients save up to 45% on localized installation costs.
Yes. Our ARM-Cortex processor runs a versatile multi-tasking network stack. The device can serve real-time readings to a local SCADA package via Modbus-TCP, respond to IT monitoring queries via SNMP OIDs, and push light, JSON-formatted data to cloud platforms (such as AWS IoT Core or Azure) using MQTT. This multi-protocol design bridges the gap between local control and cloud analytics.
The APEM-5930E is designed for extreme cold storage and environmental testing chambers. The measurement probe connects to the primary network transmitter via an isolated, shielded cable (typically 1 to 3 meters). This allows the sensitive probe to sit inside the cold or humid chamber, while the network enclosure stays outside. This configuration prevents condensation on the network module, ensures stable transmissions, and simplifies local field service.
With 18 years of specialized engineering experience, we offer extensive OEM/ODM support, including:
Sophisticated Ethernet Logging Units for Comprehensive Environmental Safety Monitoring
Model: APEM-5930G-IAQ-CO. Combines ambient temperature and humidity tracking with a precise Carbon Monoxide electrochemical head, providing real-time air quality data.
Designed for modern commercial offices and green building systems. Simultaneously monitors TVOC, Ozone, temperature, and humidity on a single network drop.
An integrated building management sensor designed to track CO levels and environmental parameters, keeping indoor workspaces comfortable and safe.
Features dual communication paths with automatic wired-to-wireless failover. Keeps environmental data flowing even during local network maintenance.
Engineered for cleanrooms and specialized industrial processes, providing high-sensitivity Ozone tracking alongside ambient temperature and humidity metrics.
Our core remote-probe sensor offered with factory-direct pricing. Features a modular external probe design that simplifies field calibration and swapping.
Model: APEM-5736. Long-range LoRaWAN telemetry unit designed for agricultural fields and expansive industrial warehouses, featuring exceptional battery life.
Our long-range LoRa environmental transmitter, customizable with special external sensor configurations for deep integration in warehouse and industrial applications.
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