HG808-T High-Temperature Humidity Transmitter for Industrial Drying Ovens
HG808-T High-Temperature Humidity Transmitter for Industrial Drying Ovens In many manufacturing processes, drying is more than just a step — it’s a decisive factor that
Measure Dew Point Accurately up to +90 °C
— Even in Harsh Industrial Environments
The HG808-D is a compact, high-performance transmitter for dew point, temperature, and humidity monitoring in high-temperature and demanding processes such as drying systems, ovens, and compressed air lines.
-Built with a durable high-temperature probe and IP65 housing, it ensures stable, accurate measurement even in hot, dusty, or humid conditions.
Key Features:
*Wide Measurement Range: Dew point −60 °C ~ +90 °C; Temperature −40 °C ~ +90 °C (−76 °F ~ +194 °F)
*Flexible Outputs: RS-485 (Modbus-RTU), 4-20 mA, 0-5 V / 0-10 V
*Integrated Display: Real-time view of dew point, temperature, and humidity
*Industrial Compatibility: Connects easily to PLC, DCS, or on-site display systems
Ideal for:
*Compressed air monitoring
*Industrial drying
*Environmental chambers
*Process control
📩 Contact us to customize your HG808-D solution today.
Here’s a specification details for the HG808-D series Dew Point Transmitter :
| Dew point range: | -60°C to +90°C |
|---|---|
| Intervallo di temperatura | -40 ~ +90°C |
| Intervallo di umidità | 0 ~ 100% RH (raccomandare < 95% RH) |
| Precisione della temperatura | ±0,1°C (@ 20°C) |
| Precisione del punto di rugiada | ±2% RH (± 3.6 °F) Td |
| Alimentazione | DC 10V ~ 28V |
| Consumo di energia | < 0.5W |
| Uscite analogiche | Umidità + temperatura: 4~20mA / 0-5V / 0-10V (uno su tre) |
| Uscita digitale RS485 | Temperatura, umidità, punto di rugiada, PPM (lettura simultanea) |
| Rapporto di risoluzione | 0,01°C / 0,1°C (opzionale) 0,01% RH / 0,1% RH (opzionale) |
| Velocità di trasmissione | 1200, 2400, 4800, 9600, 19200, 115200 (default: 9600 bps) |
| Frequenza di acquisizione | Risposta più veloce: 1 secondo; altre impostazioni per PLC |
| Formato del byte | 8 bit di dati, 1 bit di stop, nessun controllo |
| Pressurizzazione | 16 bar |
| Temperatura di lavoro | -20°C ~ +60°C, 0% RH ~ 95% RH (senza condensa) |
| Tipo di sonda | Tipo di split: Sonda 0 -Tipo di divisione ：0A# / 0B# Sonda 8 -Tipo di divisione ：8A# / 8B# |
Recommended Operating Conditions:
*Temperature: -40 … +90℃
*Dew Point: -60 … +90℃
*Application Environment:
Suitable for stable airflow, wind speed, and pressure conditions, and free from corrosive media, oil, or
Low-humidity or extremely dry environments with a wide dew point range.
chemical vapors.
The HG808-D Series offers four probe types, each with A and B variants, allowing you to choose the ideal configuration for any humidity measurement environment.
0A#
8A#
0B#
8B#
M20 Hexagonal thread stainless steel Threaded Connection
G1/2 Hexagonal thread stainless steel Threaded Connection
NTP1/2 Hexagonal thread stainless steel probe Threaded Connection
M27 Hexagonal thread stainless steel Threaded Connection
M20 Flange stainless steel probe Threaded Connection
| Colore della linea | Definizione | Specifiche |
|---|---|---|
| Cavo di alimentazione | ||
| Rosso | Positivo di alimentazione | 10 ~ 30 V CC |
| Nero | Negativo dell'alimentazione | GND |
| Linee di uscita analogiche | ||
| Marrone | Segnale di temperatura positivo | Uscita 4-20mA |
| Blu | Segnale di temperatura negativo | Si collega al nero (GND) |
| Grigio | Segnale di umidità positivo | Uscita 4-20mA |
| Bianco | Segnale di umidità negativo | Si collega al nero (GND) |
| Cablaggio RS485 | ||
| Giallo | RS485A | Cavo a coppia ritorta |
| Verde | RS485B | Cavo a coppia ritorta |
Note aggiuntive:
Importante:
I processi industriali comportano spesso temperature e livelli di umidità estremi. I normali trasmettitori non sono in grado di gestire queste condizioni difficili. Ecco una panoramica delle applicazioni in cui i trasmettitori per alte temperature e umidità (che funzionano oltre i 200°C e fino a -50°C) sono fondamentali:
Here is a structured table for the applications of high-temperature and low-temperature transmitters in extreme environments:
| Applicazione | Descrizione |
|---|---|
| High-Temperature Applications (Over 200°C) | Industrial Ovens and Furnaces: Monitoring temperature and humidity is vital in curing processes like painting, drying ceramics, and heat treating metals. Precise control ensures product quality and prevents defects. |
| Power Generation: Humidity measurement in power plants helps prevent corrosion in turbines and other equipment exposed to high temperatures and steam. | |
| Trattamento chimico: Accurate temperature and humidity data is essential for safe and efficient chemical reactions in reactors, dryers, and pipelines. Deviations can lead to hazardous situations or product contamination. | |
| Produzione di semiconduttori: Creating microchips involves tightly controlled environments with high temperatures and low humidity. Transmitters ensure proper conditions for sensitive processes like photolithography and etching. | |
| Glass Manufacturing: Glass production requires precise temperature and humidity control during melting, blowing, and annealing. Transmitters help maintain consistent glass quality and prevent defects. | |
| Low-Temperature Applications (Down to -50°C) | Cold Storage Facilities: Monitoring temperature and humidity in freezers and cold warehouses helps maintain optimal conditions for food preservation and prevent spoilage. |
| Cryogenic Applications: Extremely low temperatures are used in research and industrial processes like superconductivity and liquefied natural gas (LNG) storage. Transmitters ensure safe handling and prevent equipment damage from ice formation. | |
| Climate Monitoring: These transmitters are valuable tools for weather stations in extreme cold environments like the Arctic or high mountain regions. They provide accurate data for climate research and weather forecasting. | |
| Aerospace Industry: Testing aircraft components for functionality in frigid conditions requires precise temperature and humidity control. Transmitters simulate real-world scenarios and ensure aircraft safety. | |
| Wind Turbine Icing: Detecting and measuring ice formation on wind turbine blades is crucial for safe operation. Transmitters help prevent blade damage and power generation loss in cold climates. |
Would you like any adjustments or additional details?
Questi sono solo alcuni esempi. I trasmettitori di alta temperatura e umidità svolgono un ruolo fondamentale in diversi settori industriali, garantendo il controllo dei processi, la qualità dei prodotti e la sicurezza in ambienti estremi.
2. Selezionare Tutti gli altri Scarica i file
The HG808-D series is a robust dew point transmitter designed for measuring low dew point data in extremely low humidity conditions.
Le caratteristiche principali includono:
Here is a table summarizing the key features:
| Caratteristica | Descrizione |
|---|---|
| Reliable Measurement | Ideal for air compression, refrigeration, membrane, and adsorption dryers. |
| Versatile Installation | Can be installed in industrial applications, including: – Pipeline drying with vacuum and dry gas purification – Thermal regeneration compressed gas – Adsorption drying |
| Comprehensive Gas Monitoring | Provides accurate online measurements of moisture in various gases, including flammable, inert, and corrosive types. Useful for detecting residual humidity behind plastic industry dryers. |
| Strict Humidity Control | Essential for low dew point measurement in: – Lithium battery production – Electronic component manufacturing – Semiconductor processes – Power engineering |
| Wide Application Scope | Commonly used for humidity detection in: – Air separation nitrogen production – Dry gases, compressed gases, natural gas, and liquefied gases – High-temperature sintering furnace protective gases – Electronics industry, insulation gases, and refrigerants – Rapid trace moisture analysis in food, pharmaceuticals, and machinery |
| Broader Use Cases | Suitable for: – Meteorological analysis – Power switches – Metal smelting – Petrochemical processes – Natural gas processing – Electronic manufacturing – Textiles – Aerospace where dew point measurement is critical |
For any measurement needs not met by the HG808-D series, please reach out to our customer service for alternative temperature and humidity measurement products.
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