
Why Standard Sensors Fail in High-Temperature Humidity Measurement ?
Why Standard Humidity Sensors Fail in High-Temperature Environments Quick Summary Standard humidity sensors are mainly
HG808 Sereris
Início " Industrial Harsh Environments Temperature and Humidity Transmitter Solution
A série HG808 da HENGKO oferece uma linha abrangente de transmissores de nível industrial projetados para fornecer medições precisas, estáveis e confiáveis de longo prazo de temperatura, umidade e ponto de orvalho em uma ampla variedade de ambientes desafiadores.
Se estiver enfrentando calor extremo, alta umidade, gases corrosivos ou monitoramento de precisão deO HG808 tem uma solução desenvolvida para sua aplicação.
| Modelo | Application & Operating Conditions | Key Features & Advantages |
|---|---|---|
| 01 / Temperature & Humidity Transmitters | ||
| HG808-T | High-Temperature Monitoring Industrial kilns, drying ovens, flue gas and heat-processing equipment Designed for continuous operation in high-temperature environments. |
|
| HG808-H | Continuous High-Humidity Monitoring Cleanrooms, greenhouses, indoor pools and humid production environments Designed for long-term monitoring under consistently high humidity. |
|
| HG808-C | High-Precision Temperature & Humidity Measurement Laboratories, pharmaceutical facilities, food processing and controlled storage Ideal for applications requiring accurate environmental monitoring. |
|
| HG808-F | Corrosive & Chemical Environments Pharmaceutical production, battery manufacturing and chemical processing facilities Designed for environmental monitoring in chemically demanding conditions. |
|
| 02 / Dew Point Transmitters | ||
| HG808-D | Industrial Dew Point Monitoring Compressed air, dry gas pipelines, glove boxes and industrial gas systems Suitable for general industrial dew point measurement. |
|
| HG808-A | High-Temperature Dew Point Measurement Industrial drying chambers, petrochemical processes and high-temperature gas applications Designed for moisture monitoring in elevated-temperature processes. |
|
Note: Specifications are based on the supplied product information. Actual performance depends on operating conditions and sensor configuration. Please confirm technical requirements before selection. On mobile devices, swipe horizontally to view the complete comparison table.
A HENGKO oferece uma ampla gama de sensores industriais de temperatura e umidade adequados para várias necessidades de monitoramento, que vão desde sondas de aço inoxidável para transmissores de ponto de orvalho e os seguintes 6 tipos de soluções de dispositivos de monitoramento de temperatura e umidade. Nosso foco é fornecer sensores precisos, confiáveis e de longa duração, o que os torna perfeitos para uma grande variedade de aplicações. Aqui está a lista da nossa série HG808, confira os detalhes a seguir.
Resistente à corrosão Transmissor de temperatura e umidade
Resiste à exposição a produtos químicos agressivos - ideal para salas limpas farmacêuticas, processamento químico, fábricas de bateriase ambientes de grau alimentício.
Corrosão antiácida, alcalina, desinfetante e reagente
Carcaça de aço inoxidável, proteção IP65 e design de sonda modular
Precisão RH ±2,5%, Temp ±0,2°C @20°C
O HG808 também oferece soluções especializadas de monitoramento de ponto de orvalho adaptadas para ambientes industriais desafiadores - incluindo alta temperatura, alta umidade, condições corrosivase exposição a produtos químicos.
Explore os modelos abaixo para selecionar o transmissor de umidade certo para suas necessidades específicas de aplicação.
| Modelo | Faixa de temperatura | Humidity / Dew Point Range | Measurement Accuracy | Principais recursos | Typical Applications |
|---|---|---|---|---|---|
| 01 / Temperature & Humidity Transmitters | |||||
| HG808-T High-Temperature Transmitter | -40…+200°C (rec. +85…+180; short-term +200) | 0-100% RH |
Temperatura
±0.3°C (@85°C) Umidade ±2.5% RH (@85°C, 10–90% RH) |
|
Industrial furnaces, kilns, high-temperature ovens, coking gas pipelines and thermal processing equipment. |
| HG808-H High-Humidity Transmitter | -40 to +100°C | 0-100% RH |
Temperatura
±0.1°C (@23°C) Umidade ±2% RH (@23°C, 40–95% RH) |
|
High-humidity industrial environments, humid production facilities, greenhouses, indoor pools and moisture-intensive processes. |
| HG808-C High-Precision Transmitter | -50 to +150°C | 0-100% RH |
Temperatura
±0.1°C (@23°C) Umidade ±1,5% RH (@23°C, 10–90% RH) |
|
Biopharmaceutical production, precision manufacturing, laboratories, food processing and controlled storage. |
| HG808-F Corrosion-Resistant Transmitter NEW | -40 to +120°C | 0-100% RH |
Temperatura
±0.2°C (@23°C) Umidade ±2.5% RH (@23°C, 10–90% RH) |
|
Pharmaceutical cleanrooms, chemical processing, battery manufacturing and food-grade environments. |
| 02 / Dew Point Transmitters | |||||
| HG808-A High-Temperature Dew Point Transmitter | -80 to +180°C | Ponto de orvalho -20 to +100°C Td |
Ponto de orvalho
±3°C Td |
|
High-temperature drying systems, industrial gas processes, petrochemical equipment and moisture-sensitive applications. |
| HG808-D Industrial Dew Point Transmitter | -40 to +90°C | Ponto de orvalho -60 to +90°C Td |
Ponto de orvalho
±2°C Td |
|
Lithium battery manufacturing, semiconductor production, glove boxes, compressed air and dry gas monitoring. |
| HG808-G Corrosion-Resistant Dew Point Transmitter | -20 to +60°C | Ponto de orvalho -60 to +20°C Td |
Ponto de orvalho
±3°C Td |
|
Chemical gas processing, industrial dry gas systems, controlled-atmosphere production and low-moisture monitoring. |
Note: Temperature ranges, humidity ranges and dew point ranges refer to different measurement parameters. Accuracy values apply under the specified reference conditions. Actual performance may vary with installation and operating conditions. On mobile devices, swipe horizontally to view the complete table.
Oferecemos 6 tipos de sondas para o Transmissor de Umidade HG808, com cada tipo disponível nas versões A e B, fornecendo um total de 12 sondas para várias opções de aplicação.
0A#
1A#
3A#
5A#
6A#
8A#
0B#
1B#
3B#
5B#
6B#
8B#
Conector de sonda de aço inoxidável com rosca hexagonal M20
G1/2 Conector de sonda de aço inoxidável com rosca hexagonal
NTP1/2 Conector de sonda de aço inoxidável com rosca hexagonal
Conector de sonda de aço inoxidável com rosca hexagonal M27
Conector de sonda de aço inoxidável com flange M20
A HENGKO, como uma fábrica líder e fornecedora OEM, oferece 6 tipos de transmissores, sensores e medidores de umidade com várias opções de sonda. Somos especializados em fornecer as melhores soluções de monitoramento de temperatura e umidade para diversas aplicações industriais, garantindo confiabilidade e personalização para atender a necessidades específicas.
A HENGKO é uma fornecedora profissional de soluções de sensores industriais de temperatura e umidade, com reputação de design exclusivo e excelente desempenho.
Nossos transmissores e sensores de temperatura e umidade são utilizados em vários setores, como alimentos e bebidas, produtos farmacêuticos, manufatura e monitoramento ambiental, fornecendo medições confiáveis e precisas, essenciais para o sucesso operacional.
Você pode encontrar facilmente as melhores soluções de temperatura e umidade com os 10 anos de experiência técnica da HENGKO e a ampla linha de produtos de umidade e ponto de orvalho para algumas condições especiais de monitores industriais.
Você obterá preços muito mais baixos e competitivos devido ao nosso controle extremamente econômico, ao fornecimento de fábrica e ao serviço gratuito de OEM e ODM
Você sempre atenderá às necessidades do mercado em constante mudança com nossos produtos de transmissores de umidade em constante atualização.
Você pode personalizar totalmente um produto exclusivo de sensor de ponto de orvalho com base em nossa série de transmissores de ponto de orvalho patenteados e projetados por nós mesmos.
Você terá um forte suporte de marketing para ajudá-lo a vender produtos com sucesso. Os suportes materiais incluem: imagens de produtos em alta resolução, vídeos legais com efeito 3d e MUITO mais.










Se você estiver interessado em colaborar com a HENGKO como distribuidor ou agente de vendas de nossos produtos de sensores de temperatura e umidade, entre em contato conosco,
convidamos você a entrar em contato conosco para discutir os detalhes. Muitas oportunidades exclusivas o aguardam.
The HG808 series is engineered with robust materials like 316L stainless steel probes and cast aluminum housings, providing high resistance to heat, humidity, and chemical exposure. Models like HG808-T and HG808-A are specifically built for extreme temperatures up to 200°C and dry, high-temperature dew point environments, making them ideal for kilns, ovens, coking gas pipelines, and more.
Yes. The HG808-T series covers -40°C to +200°C. Recommended operating range is +85°C to +180°C; below +85°C accuracy is not specified, and +200°C is for short-term use. It is designed with an ultra-high-temperature-resistant sensor for demanding thermal processes. The HG808-A model also performs dew point monitoring up to 180°C, ideal for dry high-temp applications.
These models are widely used in:
Furnace kilns and incinerators
High-temp ovens and drying systems
Steel and chemical processing plants
Gas pipelines for coking or synthesis
Power generation facilities requiring dew point control
Accuracy is a core strength:
HG808-T: ±0.3°C (@85°C), ±2.5%RH
HG808-A: ±3°C for dew point across -20 to +100°C
This high accuracy ensures precise monitoring, even in dynamic environments.
For environments where the air temperature exceeds 150°C, traditional temperature and humidity sensors often fail due to thermal drift or sensor degradation. The Série HG808-T is specifically engineered for such cases, supporting up to 200°C and equipped with a 316L stainless steel probe that withstands thermal stress and provides stable humidity collection even between 100°C and 200°C.
Typical use cases include:
Industrial kilns (ceramics, steel, glass)
High-temp drying ovens
Flue gas exhaust pipelines in power or chemical plants
In persistently wet or saturated air environments—such as greenhouses, swimming pools, fermentation chambers, or cleanrooms—accuracy and anti-condensation capability are critical. The HG808-H Series is designed with:
A robust stainless steel sensor housing
Anti-condensation coating
High humidity tolerance up to 98% RH
Unlike standard RH sensors that degrade or saturate near 95% RH, the HG808-H provides stable readings in these tough environments.
Dew point is the temperature at which air becomes saturated and condensation begins. In very dry or pressurized gas systems, RH becomes less meaningful and dew point is the key metric.
You should choose dew point transmitters like:
HG808-A Series: for high-temperature and dry applications up to 180°C
HG808-D/G Series: for ultra-low dew point detection (down to -60°C), ideal for:
Glove boxes
Lithium battery production
Semiconductor packaging
Industrial dry air systems
Dew point measurement offers more meaningful, pressure-independent metrics in these scenarios.
Chemical-resistant monitoring is critical in pharmaceutical, chemical processing, and battery manufacturing. The HG808-F Series is built for such use:
Operates at -40 to +120°C and 0–100% RH
Withstands corrosive environments with a chemical-resistant sensor enclosure
Ideal for applications like:
Cleanrooms (ISO 7–9)
Battery production (e.g., lithium or NiMH)
Chemical labs or solvent storage areas
Choose the HG808-C Series para high accuracy and long-term stability:
Accuracy: ±0.1°C, ±1.5% RH
Temperature range: -50°C to +150°C
Ideal for:
Biopharmaceutical manufacturing
Calibration labs
Food & vaccine storage (requiring 24/7 monitoring)
Semiconductor packaging rooms
The model uses advanced calibration algorithms e low-drift sensors suitable for regulated industries.
HG808-D/G: Inline installation within closed systems like compressed air lines or glove boxes; ideal for low dew point (< -20°C) and precise process control.
HG808-A: External probe, suited for open or semi-open high-temp systems, such as heated drying chambers or hot gas ducts, where dew point indicates dryness or risk of condensation.
In battery plants, drying rooms require both low humidity e corrosion resistance. Recommended options:
HG808-F: For general drying room humidity monitoring with chemical exposure
HG808-D: For inline dew point monitoring, especially in inert gas or vacuum systems
HG808-G: For ultra-dry, low-temp gas streams
Look for dew point range below -20°C and fast response time in these scenarios.
Typically no, as sensors that handle extreme temperatures (like HG808-T, up to 200°C) are not suitable for saturated humidity at those temps. Similarly, high humidity sensors (like HG808-H) are optimized for moderate temperatures up to 100°C.
Recommendation: Evaluate your application priorities—if temperature is extreme, choose HG808-T and disregard RH accuracy. For wet high-humidity use, choose HG808-H and operate within the specified range.
Here are some best practices:
Choose models with industrial-grade sensors (HG808 series uses sensors rated for stability and drift resistance)
Ensure proper shielding or enclosures if exposed to corrosive vapors or condensation
Plan for annual recalibration in regulated environments (e.g., pharma or food industries)
Uso RS485/Modbus integration for remote diagnostics and maintenance
Yes. HENGKO supports full OEM customization, including:
Custom sensor probe lengths (up to 1 meter)
Threaded or flanged mounts
Custom output signals
Enhanced IP67/IP65-rated housings
Special calibration ranges or field-specific enclosures
These are often required for system integrators or equipment manufacturers in HVAC, gas analysis, or automation industries.
Entre em contato com a HENGKO hoje mesmo para esclarecer qualquer dúvida sobre sensores, transmissores e soluções de temperatura e umidade

Why Standard Humidity Sensors Fail in High-Temperature Environments Quick Summary Standard humidity sensors are mainly

How to Monitor Temperature and Humidity in High-Temperature Industrial Drying Processes Quick Summary Industrial drying

High-Temperature Humidity Transmitter for 200℃ Industrial Drying Ovens-HG808-T In many manufacturing processes, drying is more

Effective moisture management is essential in facilities where materials, equipment, and processes depend on controlled

In short, Humidity and temperature transmitters measure and send environmental data to control systems. They
Entre em contato com a nossa equipe de especialistas para obter assistência personalizada e forneceremos prontamente as melhores soluções de transmissores e sensores de temperatura e umidade adaptadas às suas necessidades específicas.
Vamos lhe dizer por que você deve escolher um transmissor de ponto de orvalho
da HENGKO
A resposta é simples: A HENGKO é diferente.

Why Standard Humidity Sensors Fail in High-Temperature Environments Quick Summary Standard humidity sensors are mainly designed for ambient or moderate industrial conditions. Under sustained high

Why Standard Humidity Sensors Fail in High-Temperature Environments Quick Summary

How to Monitor Temperature and Humidity in High-Temperature Industrial Drying

High-Temperature Humidity Transmitter for 200℃ Industrial Drying Ovens-HG808-T In many