Ethernet Temperature and Humidity Sensor Suppliers & Factory in Korea

Empowering South Korea’s Semiconductor, Battery Dry Rooms & Industrial IoT Environments with Swiss-Accurate, PoE-Enabled Environmental Transmitters.

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Featured Ethernet Sensing Solutions in South Korea

Deploy high-stability monitoring nodes seamlessly integrated with localized factory networks and Korean industrial management standards.

Custom APEM-5930 Power over Ethernet Sensor

Custom APEM-5930 Power over Ethernet Sensor for Gyeonggi-do Cleanrooms

Precision relative humidity and temperature sensor. Standard PoE (Power over Ethernet) technology eliminates redundant wiring, making it the premier choice for Korean semiconductor lines.

OEM APEM-5930W Ethernet Sensor

OEM APEM-5930W Ethernet Temperature & Humidity Sensor for Smart Logistics

Dual-mode design with wired Ethernet and flexible Wi-Fi backup capabilities. Engineered for continuous environmental logs in smart distribution centers across Seoul.

CE Certification APEM-5930P Ethernet Sensor

CE Certified APEM-5930P Atmospheric Pressure & Temperature-Humidity Sensor

Integrates three crucial environmental parameters: temperature, relative humidity, and atmospheric pressure. Essential for monitoring pressure differentials to prevent contamination.

CE Certification APEM-5930E Ethernet Sensor

CE Certified APEM-5930E Ethernet Temperature Humidity Sensor (Extended Probe)

Equipped with a highly durable external probe separating the sensing element from the main communication unit. Designed for thermal chambers and extreme industrial duct monitoring.

18+
Years of Industry R&D
1,500+
Modern Workshop (㎡)
5+
High-Speed SMT Lines
100+
Professional Team Members

Industrial IoT & Environmental Control in South Korea

An in-depth look at local commercial demands, global industry dynamics, and China's Factory 4.0 supply chain synergy.

Korea's Industrial Context & Demands

South Korea stands at the global forefront of high-precision manufacturing, led by giants in semiconductors (Samsung Electronics, SK Hynix) and secondary battery cells (LG Energy Solution, Samsung SDI, SK On). Within these facilities, environmental control is not merely a utility—it is a critical determinant of product yield and process safety.

Semiconductor Cleanrooms: In Gyeonggi-do wafer fabs, electrostatic discharge (ESD) caused by sub-optimal relative humidity (<35% RH) can instantly destroy micro-circuits. Conversely, humidity levels >55% RH promote microscopic oxidation. APEM-5930P series sensors with integrated atmospheric pressure checks maintain cleanroom positive-pressure boundary isolation.

Lithium Battery Dry Rooms: Battery manufacturers require extremely dry environments, often requiring monitoring equivalent to dew points of -40°C to -60°C. Deploying high-accuracy sensing elements is vital to safeguard chemical reaction steps.

Global Supply Trends: The Rise of Industrial PoE

Traditional legacy wiring (like RS-485 Modbus RTU loops) requires separate conduits for DC power and signal cables, complicating modern facility scaling. Power over Ethernet (PoE) technology standardizes industrial automation networks by combining data transmission and power into a single RJ45 Cat5e/Cat6 run.

Integrating environmental monitoring networks directly into SCADA, DCS, or enterprise MES systems using standard protocols (Modbus TCP, MQTT, SNMP) is a key trend. Facility managers can monitor real-time data and access historical charts instantly, bypassing the need for analog-to-digital intermediate barriers.

China Factory 4.0: Supply Chain & Customization

Operating as a reliable manufacturer partner in China, Beijing Yingchuanglihe Electronic Technology Co., Ltd. offers a compelling combination of rapid R&D iteration, massive production scale, and competitive pricing for Korean and global distributors.

Premium Component Sourcing: All Yingchuanglihe Ethernet and LoRa sensors feature imported sensing chips from industry-leading manufacturers in Switzerland and Germany. These components ensure high baseline accuracy, minimal annual calibration drift, and rapid response times.

OEM/ODM Flexibility: We customize firmware profiles (e.g., custom JSON over HTTP, SNMP MIB tables, custom Modbus register layouts) and structural enclosures (e.g., custom cable lengths, remote probes, outdoor IP65/IP67 rated setups) to fit specific project needs.

Factory Testing & QC: Our 1,500m² manufacturing facility is equipped with ISO-certified calibration chambers. Every sensor undergoes rigorous multi-point validation across various temperature and humidity bands to ensure compliance with CE, FCC, and RoHS standards before shipping.

Localized Cleanroom & Warehouse Scenarios

Seoul IoT & Smart Building Projects: Monitoring indoor air quality parameters (Ozone, HCHO, TVOC, CO) in corporate complexes alongside temperature and humidity data logger networks.

Incheon Bio-Pharma Cold Chain: Pharmaceutical cold storage facilities in Incheon depend on continuous temperature records to comply with Korea GMP standards. Our APEM series sensors provide real-time Ethernet alerts to prevent batch damage.

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Our Technical Evolution: A Trusted History since 2007

A timeline of our persistent growth, R&D breakthroughs, and successful partnerships with top global enterprises.

2007
Company founded. Developed intelligent environmental monitoring terminals based on TCP/IP protocol along with our first monitoring software.
2008
Partnered with Mocha Software to launch the TH-5939 series of SNMP-supported environmental monitoring products.
2009
Collaborated with COMLAB (Switzerland) to design the TH-5869 protective environmental monitoring device, deployed on major high-speed rail lines.
2010
Partnered with Founder Technology to launch the APEM-6100, one of our earliest PoE-supported environmental monitoring units.
2012
Partnered with Foxconn to establish our sensors as standard options for electronics manufacturing cleanrooms.
2015
Partnered with Baidu to deploy the next-generation APEM-5900 at their Yangquan Data Center. Upgraded software to handle multi-parameter data logging.
2018 - 2019
Introduced integrated outdoor cabinet monitoring solutions, applied in high-density roadside cabinets and ETC expressway lanes.
2021
Contributed to autonomous driving infrastructure, supplying road-test integrated boxes and edge computing gateways for smart city zones.
2023 - 2024
Expanded into intelligent computing center infrastructures. Co-founded business divisions for Beidou high-precision monitoring and municipal water network monitoring.

Product Categories & Integration Options

We supply a variety of environmental sensing form factors, from basic wired modules to multi-parameter air quality gas hubs.

Product Categories
  • Ethernet Temperature and Humidity Sensors (APEM-5930, APEM-5930E, APEM-5930W)
  • Ethernet All-in-One Multi-Gas Transmitters (TVOC, O₃, CO, SO₂, NO₂, O₂, H₂S)
  • High-Precision Atmospheric Pressure Nodes (APEM-5930P)
  • Wireless LoRaWAN Nodes (APEM-5736, APEM-5616 Pro)
  • Water Leakage Detectors & Smart Locks
Key Hardware Strengths
  • Imported sensor chips (Sensirion Switzerland, Bosch Germany) for high long-term stability.
  • Dual-power supply redundancy: DC 12-48V alongside standard PoE (802.3af).
  • Supports multiple open protocols: Modbus TCP, SNMP, MQTT, HTTP, TCP/UDP.
  • Full structural customization: remote probes, wall mounts, and outdoor housings.

Precision Multi-Parameter & Air Quality Sensors

Advanced sensor nodes designed to monitor hazardous gases, volatile organic compounds, and environmental baselines.

Indoor Air Quality & Ozone Data Logger

APEM-5930G Indoor Air Quality & Ozone Data Logger - Gyeonggi Labs

Designed for research facilities requiring continuous tracking of O₃ concentrations, ambient temperature, and humidity. High-precision Chinese factory direct source.

Ethernet Multi-Parameter Sensor

APEM-5930G Ethernet Multi-Parameter Sensor for TVOC, O₃, Temp & Hum

A comprehensive indoor air quality hub measuring TVOC, Ozone, temperature, and relative humidity. Perfect for green building certification schemes.

China APEM-5930P Ethernet Sensor

APEM-5930P Ethernet Atmospheric Pressure, Temp & Humidity Node

Offers real-time ambient pressure data logging alongside temperature and dew point calculations. Certified for cleanrooms and smart hospital environments.

Wholesale APEM-5930E Ethernet Sensor

Wholesale APEM-5930E Ethernet Temp & Humidity Sensor with Probes

Provides factory-direct pricing for commercial projects. Features optional probe tips to handle harsh environmental conditions.

Custom LoRa Temperature Humidity Sensor

Custom APEM-5736 LoRa Temperature and Humidity Sensor for Smart Farms

Long-range wireless RF transmission module. Easily monitors vast agricultural zones or large storage warehouses without extensive data wiring.

China APEM-5930G Ethernet Multi-Parameter Sensor

APEM-5930G Ethernet Multi-Parameter Sensor (TVOC, O₃, Temp, Humidity)

Stable air quality monitoring unit integrating volatile organic compound tracking and ozone level safeguards over standard Ethernet connections.

China APEM-5930 Power over Ethernet Sensor

APEM-5930 Power over Ethernet Temp & Humidity Sensor - Custom Series

Directly interfaces with standard PoE switches. Features an integrated web server and Modbus TCP stack, allowing straightforward, controller-free access.

China APEM-5930G Ethernet Temperature Humidity SO2 NO2 Sensor

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

An industrial-grade transmitter designed for toxic gas detection. Features electrochemical sensors to monitor SO₂ and NO₂ in chemical warehouses.

Technical Specifications & Integration FAQ

Common questions answered by our engineering and system integration support teams.

Q1: Which sensor chips are used in Yingchuanglihe devices, and what are their accuracy ranges?
We utilize high-quality digital environmental sensors imported from Switzerland (Sensirion) and Germany (Bosch). The standard temperature measurement accuracy is ±0.3°C (with options up to ±0.1°C), while relative humidity is calibrated within ±1.5% to ±3.0% RH. These parameters are crucial for cleanrooms and dry rooms where minor changes can affect yield.
Q2: Do these Ethernet sensors support Power over Ethernet (PoE) standard 802.3af?
Yes, our PoE-enabled devices (like the APEM-5930) support IEEE 802.3af/at standard PoE. They can draw power directly through standard RJ45 networking cables linked to PoE switches. Alternatively, they support wide-range DC 12-48V auxiliary inputs for power redundancy in industrial settings.
Q3: How do we integrate the sensors with existing MES, SCADA, or third-party IoT platforms?
Our sensors natively support Modbus TCP, SNMP (v1/v2c/v3), MQTT, JSON over HTTP, and simple TCP/UDP sockets. This allows them to interface directly with platforms like Ignition, Wonderware, Siemens WinCC, or cloud systems like AWS IoT and Microsoft Azure without requiring intermediate drivers.
Q4: Can we request custom cable extensions or customized probe housings?
Yes. For example, the APEM-5930E features an extendable probe setup. We can customize probe lengths from 1 meter up to 10 meters, and offer options like metal sintered mesh filters for high-humidity environments, or PTFE chemical-resistant sleeves for gas processing zones.
Q5: What is the typical lead time for shipping to South Korea?
Standard orders are processed quickly through our high-speed assembly lines in Beijing. Shipping to South Korean ports (Incheon/Busan) or major logistics warehouses via express freight generally takes 3 to 7 working days, ensuring reliable supply chain support.

Additional Wireless & Environmental Monitoring Nodes

Explore our LoRa wireless systems and specialized indoor air quality transmitters.

OEM APEM-5736 LORA Temperature and Humidity Sensor

OEM APEM-5736 LoRa wireless Temp & Humidity Sensor

Long-range wireless transmitter designed for remote utility sites. Reduces deployment overheads by eliminating signal wire routing.

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

APEM-5930G Ethernet IAQ & Carbon Monoxide (CO) Monitoring Hub

Combines carbon monoxide safety monitors with baseline ambient temperature and humidity data loggers. Designed for enclosed industrial parking decks.

China APEM-5736 LORA Temperature and Humidity Sensor

China APEM-5736 LoRa Temperature and Humidity Sensor - Outdoor Version

Housed in an IP65 weatherproof casing. Provides long-range monitoring for agricultural infrastructure and outdoor substations.

Custom APEM-5736 LORA Temperature and Humidity Sensor Supplier

Custom APEM-5736 LoRa Temperature and Humidity Sensor - OEM Series

Enables custom RF band configurations (including Sub-GHz bands tailored for South Korea and global requirements).

Looking for a Reliable OEM/ODM Sensing Partner?

Get in touch with our applications engineering team to review your technical requirements, request custom quotes, or arrange sample sensor evaluations.

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