Nexisense Temperature and Humidity Transmitters: The Core of Precise Monitoring in High-Temperature Scenarios — A Guide to Multi-Industry Applications and Advantages

I. Introduction: Pain Points of High-Temperature Monitoring and Nexisense’s Precise Breakthrough

In the core processes of industrial production, high-temperature environments are everywhere—from glass manufacturing furnaces and high-temperature ovens in food processing to flue gas exhaust pipelines in petrochemical industries. Precise control of temperature and humidity parameters directly determines production safety, process stability, and product quality. Traditional monitoring devices often face issues such as measurement drift, rapid component aging, and unstable data transmission when operating continuously in high-temperature, high-humidity, or complex media environments, making it difficult to meet industrial-grade precision monitoring requirements.

Nexisense has long focused on the field of temperature and humidity monitoring and has launched the 808-H series designed specifically for high-temperature scenarios, as well as the general-purpose and practical 803 series. With excellent high-temperature resistance, precise measurement performance, and broad scenario adaptability, these products have become core monitoring devices for high-temperature industries and diverse applications. This article comprehensively analyzes the core value of Nexisense temperature and humidity transmitters from perspectives including high-temperature application value, core advantages, technical parameters, multi-scenario implementation, and frequently asked questions, providing professional reference for enterprise selection.

II. Core Support for High-Temperature Scenarios: Application Value of Nexisense Transmitters

In high-temperature industrial fields, even slight deviations in temperature and humidity parameters can trigger chain reactions. In glass manufacturing, temperature imbalance can cause bubbles and cracks in products; excessive humidity in coke oven gas pipelines accelerates corrosion and blockage, affecting transmission efficiency; unstable temperature and humidity in food baking can destroy consistency in taste and color. Nexisense high-temperature temperature and humidity transmitters take precise monitoring as the core and provide three key supports for high-temperature scenarios:

Ensuring Process Stability: Real-time capture of subtle temperature and humidity changes provides accurate data for process adjustment, preventing production failures and product defects caused by parameter deviations.

Safeguarding Production Safety: Timely warnings of abnormal environments such as high temperature and high humidity reduce safety hazards like equipment corrosion, pipeline blockage, and excessive pollutant emissions.

Supporting Compliant Production: Accurate recording of temperature and humidity data meets environmental regulations and quality control requirements in industries such as petrochemicals and pharmaceuticals, providing reliable evidence for compliance audits.

III. Core Advantages: Key Capabilities of Nexisense Transmitters for High-Temperature Applications

The stable performance of Nexisense temperature and humidity transmitters in high-temperature scenarios stems from targeted designs in materials, measurement performance, and adaptability. The core advantages are reflected in the following aspects:

(1) High-Temperature-Resistant Materials and Core Components Build a Solid Foundation

The Nexisense 808-H high-temperature series adopts a combination of ultra-high-temperature-resistant sensing elements and 316L stainless steel probes. This design allows the temperature measurement range to extend up to 190°C, with stable operation recommended in environments from 80°C to 185°C. The 316L stainless steel material offers excellent corrosion resistance and high-temperature resistance, effectively withstanding erosion from furnace dust, coke oven gas, and chemical flue gas, preventing probe aging or damage.

For example, in glass manufacturing furnaces where temperatures remain above 150°C for long periods with severe fluctuations, ordinary probes are prone to failure due to high-temperature oxidation. The stainless steel probe of the 808-H series can operate stably in such environments for extended periods, accurately capturing temperature changes and providing data support for uniform melting and forming of glass raw materials.

(2) High-Precision Measurement Performance for Both High-Temperature and High-Humidity Scenarios

Compared with ordinary monitoring devices, Nexisense transmitters maintain excellent measurement accuracy even in high-temperature environments. The 808-H series achieves temperature accuracy of ±0.1°C (@20°C) and humidity accuracy of ±2%RH (@20°C, 10–90%RH). Even in high-temperature environments of 80–185°C, it still provides reliable humidity acquisition and supports high-humidity conditions up to 95%RH.

In coke oven gas pipeline monitoring scenarios, accurate humidity measurement directly relates to pipeline safety. Excessive humidity accelerates pipeline corrosion and increases blockage risk. The 808-H series can accurately collect humidity data in high-temperature, impurity-containing gas environments, promptly identifying abnormal humidity levels and providing early warnings for pipeline maintenance. In high-temperature food baking scenarios, precise temperature and humidity data ensure consistency in taste and color, improving product quality stability.

(3) Stable Signal Transmission and Broad Adaptability for Diverse Industrial Scenarios

Nexisense transmitters support 4–20mA / 0–5V / 0–10V (select one) analog signal outputs. Some models also support the RS485 communication protocol, with baud rates adjustable from 1200 to 115200 bps (default 9600 bps). They can be stably connected to PLCs, DCS systems, and other industrial automation systems, enabling real-time data transmission and centralized monitoring.

Additionally, the devices offer excellent environmental adaptability. The 808-H series withstands pressures up to 16 bar, making it suitable for high-temperature and high-pressure chemical applications, while the 803 series provides multiple probe structures to adapt to different operating conditions.

Both products also feature outstanding long-term stability. The 808-H series offers temperature stability of <0.1°C/year and humidity stability of <1%RH/year, reducing the need for frequent calibration and lowering operation and maintenance costs while ensuring long-term data reliability.

(4) Convenient Installation and Maintenance to Reduce Overall Costs

Nexisense temperature and humidity transmitters feature user-friendly designs. The 803 series offers integrated, duct-mounted, split, and split-detachable probe structures, enabling wall-mounted, duct-mounted, and insertion installations to meet diverse installation requirements. The compact structure and sealed design of the 808-H series make installation and routine cleaning and maintenance in high-temperature environments more convenient, without the need for complex professional tools, significantly reducing installation and maintenance difficulty.

IV. In-Depth Product Analysis: Two Core Nexisense Series for Diverse Needs

To meet the special requirements of high-temperature scenarios and general industrial monitoring needs, Nexisense offers the 808-H high-temperature dedicated series and the 803 practical general-purpose series. Each focuses on different priorities, together covering a wide range of industrial temperature and humidity monitoring requirements.

(1) Nexisense 808-H Series: Dedicated for High-Temperature Scenarios, Precise and Durable

Designed specifically for high-temperature applications, the 808-H series is ideal for high-thermal process engineering, petrochemical flue gas emissions, and high-temperature constant temperature and humidity test chambers. Key technical parameters include:

Measurement Range: Temperature -40 to +190°C (recommended 80–185°C), Humidity 0–100%RH (recommended <95%RH);

Measurement Accuracy: Temperature ±0.1°C (@20°C), Humidity ±2%RH (@20°C, 10–90%RH);

Long-Term Stability: Temperature <0.1°C/year, Humidity <1%RH/year;

Signal Output: Temperature + Humidity (dew point value for reference only), supports 4–20mA / 0–5V / 0–10V (select one);

Other Performance: Pressure resistance up to 16 bar; baud rate adjustable from 1200 to 115200 bps (default 9600 bps);

Operating Environment: Transmitter electronics operating temperature -20°C to +60°C, 0%RH to 95%RH (non-condensing);

Sampling Rate: Fastest response 1 second, adjustable according to PLC settings.

With ultra-high-temperature-resistant materials, precise measurement performance, and stable environmental adaptability, this series is widely used in petrochemical combustion flue gas emissions, chimney exhaust, and refinery equipment, providing strong support for production safety and compliant emissions.

(2) Nexisense 803 Series: Practical and Versatile for Multi-Scenario Applications

The 803 series is a practical temperature and humidity transmitter suitable for factories, cold storage warehouses, laboratories, data centers, and smart homes. Its core strengths lie in flexible probe structures and dual signal output capabilities. Key technical parameters include:

Probe Structures: Integrated, duct-mounted, split, and split-detachable probe options to meet different measurement requirements;

Measurement Range: Temperature -40 to 120°C;

Signal Output: Two modes supported — ① RS485, ② simultaneous 4–20mA + RS485 output;

Applicable Scenarios: Factory automation, cleanrooms, pharmaceutical industry, chemical industry, smart home temperature and humidity monitoring.

With broad adaptability, convenient installation and maintenance, and stable measurement performance, this series serves as a “precision guardian” in both industrial production and daily life.

V. Multi-Scenario Implementation: Real-World Applications of Nexisense Transmitters

Thanks to their core advantages and differentiated product designs, Nexisense temperature and humidity transmitters have been widely deployed across high-temperature and general industrial fields. The 808-H series, in particular, excels in high-temperature scenarios and has become a core monitoring solution in various industries.

(1) Manufacturing: The “Quality Gatekeeper”

In high-temperature manufacturing processes, the Nexisense 808-H series plays a critical role in ensuring product quality. In a large float glass manufacturing plant, furnace temperatures must remain stable within the melting zone. The 808-H series was installed at key monitoring points, transmitting real-time data via 4–20mA signals to the control system. Operators adjusted fuel supply based on data, improving product qualification rates by 12%.

In semiconductor high-temperature aging tests, the 808-H series monitored aging chambers at 120°C and 50%RH for 72 hours, ensuring component reliability and reducing final product failure rates. In food processing, a well-known baking company used the 808-H series to maintain oven temperature within ±1°C and humidity at 35–40%RH, ensuring consistent taste and appearance.

(2) Energy and Chemical Industry: The “Safety Monitor”

In energy and chemical industries, the 808-H series is critical for safety monitoring. In a petrochemical flue gas emission monitoring project, the series accurately measured high-temperature, corrosive gas parameters, ensuring compliance with GB 31570-2015 emission standards. In coke oven gas pipelines, humidity monitoring extended maintenance cycles from three to six months. In hydrogenation reactors operating at 160°C and 12 bar, the 808-H series provided reliable data for safe and stable operation.

(3) General Industry and Daily Life: The “Environment Guardian”

The Nexisense 803 series is widely used in factories, cleanrooms, pharmaceutical plants, laboratories, data centers, and smart homes, providing accurate temperature and humidity data for environmental control and comfort optimization.

VI. FAQ: Frequently Asked Questions About Nexisense Temperature and Humidity Transmitters

Q1: Can the 808-H series be used long-term at the extreme temperature of 190°C?
A1: Long-term use at 190°C is not recommended. Although the temperature range reaches up to 190°C, stable long-term operation is recommended between 80°C and 185°C to ensure accuracy and device longevity.

Q2: What are the advantages of the split-detachable probe of the 803 series, and where is it suitable?
A2: Its main advantage is flexible installation in complex environments, allowing separation of the probe and main unit, ideal for confined spaces, high-temperature areas, or environments unsuitable for direct host exposure.

Q3: Can both products connect directly to existing automation systems?
A3: Yes. The 808-H series supports standard analog outputs, and the 803 series supports RS485 or combined 4–20mA + RS485 outputs, allowing direct connection to PLC and DCS systems without additional converters.

Q4: What is the recommended calibration interval for the 808-H series in high-temperature scenarios?
A4: Typically every 6–12 months. In extreme environments above 180°C or with high corrosion, calibration every 3–6 months is recommended.

VII. Conclusion: Nexisense — A Reliable Partner for Precision Monitoring

Whether in complex high-temperature industrial environments or general industrial and living scenarios requiring precise temperature and humidity control, Nexisense temperature and humidity transmitters demonstrate outstanding value. The 808-H series excels as a core safety monitoring solution for high-temperature industries, while the 803 series safeguards stability across general industrial and daily environments.

Through high-temperature-resistant material selection, precise sensing technology, stable signal transmission, and convenient installation and maintenance, Nexisense effectively addresses temperature and humidity monitoring challenges across scenarios. Choosing Nexisense means choosing precision, stability, and reliability—empowering enterprises to achieve efficient production and intelligent management.