Custom High Accuracy Temperature Humidity Sensor Supplier & Factory

Precision Calibration, Advanced IoT Telemetry, and Seamless Industrial Integration for Hyperscale Infrastructure & Critical Environments.

High-Accuracy Primary Sensors

Explore our core product lineup featuring imported Swiss/German sensing cores for precise environmental measurement.

Custom APEM-5736 LORA Temperature and Humidity Sensor
LoRa Wireless

Custom APEM-5736 LORA Temperature and Humidity Sensor

Model: APEM-5736

High-penetration LoRa wireless telemetry with low power consumption.

OEM APEM-5930W Ethernet Temperature Humidity Sensor
Ethernet & WiFi

OEM APEM-5930W Ethernet Temperature Humidity Sensor

Model: APEM-5930W

Dual wired Ethernet/WiFi connectivity with robust local data logging capabilities.

China APEM-5930G Multi-Parameter TVOC O3 Temp Humid Sensor
Multi-Gas IAQ

China APEM-5930G: Multi-Parameter Sensor for TVOC, O₃, Temp, Humidity

Model: APEM-5930G-TVOC-O₃

Comprehensive trace organic pollutants and gas monitoring for cleanrooms.

Wholesale APEM-5930G Oxygen & Hydrogen Sulfide Data Logger
Safety Environmental

Wholesale APEM-5930G Oxygen & Hydrogen Sulfide Data Logger

Model: APEM-5930G-O₂-H₂S

Industrial-grade toxic and life-critical gas sensing with PoE telemetry.

CE Certification APEM-5930G Ethernet Indoor Air Quality Sensor
CE Standards

CE Certification APEM-5930G Ethernet Indoor Air Quality & Ozone Sensor

Model: APEM-5930G-IAQ-O₃

Ensuring compliance and high reliability for intelligent building HVAC control.

Wholesale APEM-5930G Ethernet Indoor Air Quality Logger
Bulk Logistics

Wholesale APEM-5930G Ethernet Indoor Air Quality & Ozone Logger

Model: APEM-5930G-IAQ-O₃-W

Cost-effective ambient data logging for large industrial storage facilities.

Custom APEM-5930G Ethernet IAQ CO Sensor
Toxic Gas Monitoring

Custom High-Performance APEM-5930G Ethernet IAQ & CO Sensor

Model: APEM-5930G-IAQ-CO

Industrial safety sensor that integrates CO and ambient air quality analysis.

China APEM-5930G Ethernet IAQ CO Data Logger
Embedded Storage

China APEM-5930G Ethernet IAQ & CO Data Logger

Model: APEM-5930G-IAQ-CO-DL

Non-volatile memory logging to protect sensor data against network drops.

Global Industrial & Commercial Sensor Landscape

A comprehensive analysis of precision environmental monitoring, industrial automation requirements, and global regulatory compliances.

The Industrial Necessity for Sub-Degree Environmental Stability

In today's precision-driven industrial ecosystem, relative humidity and ambient temperature are no longer parameters that can be monitored with coarse margins of error. High-accuracy temperature-humidity sensors are central components in advanced pharmaceutical manufacturing (requiring strict compliance with FDA 21 CFR Part 11 and EU GMP Annex 11), semiconductor cleanrooms (ISO Class 1 to ISO Class 9), and automated cold-chain logistics.

For instance, in semiconductor lithography, a deviation of just 0.1°C can cause optical misalignment due to thermal expansion of the mechanical components. Likewise, a relative humidity change of ±2% RH can affect the static electrical discharge conditions or the drying rate of photoresists, severely impacting wafer yield rates. In industrial data centers, optimized thermal mapping using reliable sensor grids directly determines the Power Usage Effectiveness (PUE) index, allowing operators to save millions of dollars in mechanical cooling overheads.

"Precision is not a metric; it is the baseline for next-generation automated industrial control systems."

Global Market Growth Factors

The expansion of the global high-accuracy temperature and humidity sensor market is driven by several macroeconomic forces:

  • Hyperscale Infrastructure: The rise of AI and high-performance computing centers requires precise HVAC environmental tracking.
  • Green Energy Initiatives: Commercial smart buildings require intelligent air handling systems driven by accurate indoor air quality (IAQ) and humidity telemetry.
  • Distributed Agricultural Technology: Smart agriculture and vertical farms rely heavily on precise transpiration tracking via dew point and atmospheric pressure sensors.
  • Decentralized IoT Networks: The adoption of LoRaWAN, Ethernet PoE, and wireless protocols provides flexibility in sensor placement across vast spaces.

Technical Roadmap & Precision Engineering

Understanding the engineering behind low-drift capacitive sensors, chip integration, and telemetry layers.

Imported Swiss & German Chips

We build our high-accuracy product lines around high-end MEMS sensing components sourced directly from Switzerland and Germany. These modules utilize capacitive polymer technology for humidity detection, featuring an integrated band-gap temperature sensor for low long-term drift (<0.03°C/year).

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Dual-Network Connectivity

Our units, such as the APEM-5930W, support wired RJ45 Ethernet (supporting IEEE 802.3af Power over Ethernet) and wireless Wi-Fi. This dual-network architecture provides network redundancy, switching to wireless if the physical connection goes down.

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Non-Volatile Flash Data Logging

Equipped with internal flash storage chips, our environmental transmitters prevent data gaps by caching information locally during power or connection failures. Once the connection is re-established, the logged metrics are backfilled to the central database automatically.

Our Sensor Hardware Evolution & Roadmap

Our development roadmap focuses on higher density multi-parameter arrays, smaller form-factor MEMS packaging, and ultra-low-power wireless mesh setups for industrial automation.

Phase 1: High Precision Analog to Digital Transducers

Standardization of on-chip digital signal processing, decoupling sensor drift from secondary amplification circuit noise. Introduction of basic Modbus RTU telemetry over RS485 interfaces.

Phase 2: Power-over-Ethernet (PoE) & Integrated IoT

Development of the APEM-5930 Series, incorporating PoE hardware profiles that consolidate power delivery and high-speed data transmission over a single Ethernet cable, reducing infrastructure deployment costs by 40%.

Phase 3: Multi-Parameter Gas & Environment Hubs

Integration of electrochemical and metal-oxide semiconductor gas elements (O₃, H₂S, TVOC, CO, SO₂, NO₂) alongside high-accuracy temperature, humidity, dew point, and barometric pressure sensors into single-bus units.

About Beijing Yingchuanglihe

Since 2007, Beijing Yingchuanglihe Electronic Technology Co., Ltd. has developed and manufactured professional-grade environmental sensors and integrated monitoring systems.

As an ISO-certified developer, we focus on high-precision temperature, humidity, atmospheric pressure, and multi-parameter gas sensor systems. Headquartered in Beijing, China, we operate a 1,500+ square meter production facility equipped with high-tech automated calibration tunnels, precise temperature chambers, and specialized SMD production lines.

By integrating Swiss and German sensing elements with our proprietary electronics design, we provide OEM and ODM manufacturing services to customers in over 45 countries. Our products hold CE, FCC, and RoHS certifications, confirming their suitability for challenging industrial applications.

18+
Years Exp
1500+
Facility m²
5+
Lines
100+
Staff

Company Milestones & History

A timeline of innovation, strategic partnerships, and technical progress from 2007 to the present.

2007

Yingchuanglihe was founded. Developed our first intelligent environmental monitoring terminal based on the TCP/IP network protocol, accompanied by the initial version of our proprietary monitoring software.

2008

Partnered with network management software provider Mocha Software. Launched the TH-5939 environmental monitoring devices supporting the SNMP protocol.

2009

Collaborated with Switzerland's COMLAB to introduce the TH-5869 protective Ethernet environmental monitor. It was successfully deployed in Chinese high-speed railway networks, including the Beijing-Kowloon and Beijing-Shanghai lines.

2010

Partnered with Founder Technology to launch the APEM-6100, one of the earliest environmental monitoring transmitters to incorporate Power over Ethernet (PoE) technology.

2012

Collaborated with Foxconn, helping establish our sensors as standard components in automated electronics manufacturing cleanrooms and workshops.

2015

Partnered with Baidu to launch the next-generation APEM-5900 Ethernet intelligent monitoring terminal. The series was deployed in Baidu's Yangquan Data Center, alongside an upgrade of our multi-parameter software suite.

2018

Introduced a smart solutions division. Expanded monitoring systems horizontally to accommodate industrial smart cities and large commercial campuses.

2019

Developed and launched our integrated outdoor cabinet monitoring system, deployed in infrastructure projects for Huawei and China Merchants Huaruan ETC expressways.

2021

Contributed to Beijing's high-level autonomous driving road test boxes and edge computing gateways, supplying ruggedized environmental sensor modules for outdoor applications.

2023

Provided key hardware solutions and microclimate sensor networks for state-of-the-art AI intelligent computing centers.

2024

Established joint business divisions with Beijing Enterprises Water Group and co-founded a Beidou division with Beijing University of Civil Engineering and Architecture. Achieved milestones in smart pipeline network monitoring and obtained Internet Data Center (IDC) credentials.

Certifications & Global Exhibitions

We maintain strict quality control standards, backed by global safety and technical certifications.

Enterprise & Product Certifications

Our production facilities and hardware profiles are certified for CE, FCC, RoHS, and national calibration standards.

Global Exhibitions & Factory Inspection

We showcase our environmental sensors at exhibitions worldwide, engaging with global distributors.

Macro-Industry Applications & Solutions

Discover how our sensor systems are integrated into physical architectures across diverse verticals.

Hyperscale Data Center Thermal Mapping

Data Center Microclimate Optimization

Monitoring temperature gradients across rack inlets and outlets is critical for containment systems. Our PoE temperature-humidity sensors prevent hotspots while optimizing chiller performance.

Explore Data Center Solutions
Cleanroom differential pressure & TVOC control

Laboratory & Cleanroom Containment

Utilizing the APEM-5930P (incorporating barometric pressure), operators monitor differential air pressures. This prevents cross-contamination, while integrated TVOC/O₃ sensors confirm chemical purity.

Explore Laboratory Solutions
Smart Pipeline Networks and Municipal Well monitoring

Smart Infrastructure & Municipal Systems

In partnership with Beijing Enterprises Water Group, we supply environmental sensors to monitor smart pipelines, utility vaults, and municipal wells, mitigating corrosion and humidity risks.

Explore Infrastructure Solutions

Industrial FAQ: Technical Insights

Find technical details on our sensor systems, calibration, communication, and environmental integration.

What defines the "High Accuracy" metric in Yingchuanglihe sensors? +
Our high-accuracy sensor profiles rely on Swiss-imported digital capacitive chips. They achieve a baseline temperature accuracy of ±0.1°C to ±0.3°C across standard operational ranges and relative humidity measurements within ±1.5% to ±2% RH. Every sensor is calibrated in our multi-stage environmental chambers against reference dew-point hygrometers.
How does PoE (Power over Ethernet) simplify industrial installation? +
Our sensors, such as the APEM-5930, support standard IEEE 802.3af PoE. This enables a single CAT5e or CAT6 cable to deliver both the low-voltage direct current (DC 12V~48V) needed for operation and the high-speed Ethernet data telemetry. This design eliminates the need for localized AC outlets at the sensor node, reducing commercial installation costs by up to 50% per node.
Why is dew point calculations included in the temperature and humidity sensors? +
Relative humidity varies with ambient temperature changes. Dew point provides an absolute metric of water vapor volume in the air. For data centers and cleanrooms, tracking the dew point is essential to prevent micro-condensation on PCB trace boards and metallic structural surfaces.
Can these sensors integrate directly into third-party SCADA or building management systems? +
Yes. Our hardware supports standard protocols, including Modbus TCP, Modbus RTU (over RS-485), SNMP (v1/v2c/v3), HTTP/JSON API, and MQTT. This protocol stack ensures compatibility with third-party SCADA, PLC, and building management systems (BMS).
What custom OEM/ODM services does Beijing Yingchuanglihe provide? +
We provide full-spectrum OEM/ODM solutions, including custom enclosure designs with varied IP ingress ratings (IP65, IP67), extended cable probes (from 1 to 10 meters), alternative gas sensor arrays (CO, CO₂, O₃, TVOC), custom communication protocols, and custom branding for international distributors.

All-in-One Environmental Gas Transmitters

Examine our multi-parameter and specialized gas detection products with integrated data logging and network communications.

China APEM-5930G Ethernet Temperature Humidity SO2 NO2 Sensor
Gas Emissions

APEM-5930G Ethernet Temp, Humidity, SO₂ & NO₂ Sensor

Model: APEM-5930G-SO₂-NO₂

Monitors sulfur dioxide and nitrogen dioxide levels in harsh industrial settings.

Custom APEM-5930 Power over Ethernet Sensor
Standard PoE

Custom APEM-5930 PoE Temperature and Humidity Sensor

Model: APEM-5930

Supports PoE, dew point calculations, and features a dual-line local display interface.

Custom APEM-5930G Ethernet TVOC HCHO Data Logger
Formaldehyde & TVOC

Custom APEM-5930G Ethernet TVOC & HCHO Data Logger

Model: APEM-5930G-TVOC-HCHO

Evaluates volatile organic compounds and formaldehyde for indoor air safety.

China LoRaWAN Indoor Environmental Sensor APEM-5616 Pro
LoRaWAN Smart Office

LoRaWAN Indoor Environmental Sensor APEM-5616 Pro

Model: APEM-5616 Pro

Sleek indoor LoRaWAN transmitter with an integrated e-paper display.

Wholesale APEM-5930 Temperature and Humidity Sensor with POE
Bulk Production

Wholesale APEM-5930 Temperature and Humidity Sensor with POE

Model: APEM-5930-POE-Bulk

Cost-effective PoE environmental transmitter configured for large commercial projects.

Custom APEM-5930P Ethernet Sensor Pressure Temp Humid
Barometric Pressure

APEM-5930P Ethernet Temperature Humidity & Pressure Sensor

Model: APEM-5930P

Measures atmospheric pressure alongside temperature and relative humidity.

Custom APEM-5930G Ethernet Oxygen Hydrogen Sulfide Logger
Hazardous Gas

Custom APEM-5930G Ethernet Oxygen & H₂S Data Logger

Model: APEM-5930G-O₂-H₂S-Custom

Intended for water treatment facilities, utility vaults, and petrochemical storage areas.

CE Certification APEM-5930G Indoor Air Quality Ozone Data Logger
Certified IAQ

CE Certification APEM-5930G IAQ & Ozone Data Logger

Model: APEM-5930G-IAQ-O₃-CE

Delivers stable environmental telemetry for building management and safety audits.