How Do Humidity and Temperature Transmitters Work?
In short, Humidity and temperature transmitters measure and send environmental data to control systems. They are widely used in HVAC, pharmaceuticals, food processing, and cleanrooms
Corrosion-Resistant Design for Harsh Industrial Environments
The HG602-G is a compact, inline dew point transmitter built for acidic, alkaline, and solvent-rich environments.
-Featuring a 316L stainless steel sintered probe and IP65-rated aluminum housing, it provides long-term corrosion resistance, fast response, and stable dew point measurement under high humidity and pressure.
-Ideal for lithium battery production, chemical processing, compressed air, and gas drying, where precision and durability are critical.
Key Highlights:
*Dew Point Range: −60 °C ~ +20 °C (−76 °F ~ +68 °F)
*Accuracy: ±3 °C Td (±5.4 °F); ±0.2 °C temperature
*Pressure Resistance: Up to 16 bar
*Outputs: RS-485 (Modbus-RTU), 4–20 mA / 0–5 V / 0–10 V
*Fast Response: ≤ 1 s, PLC adjustable
*Material: 316L stainless steel probe, aluminum housing (IP65)
*Power Supply: DC 10–28 V with reverse-polarity protection
Perfect for:
Lithium Battery | Chemical | Compressed Air | Gas Drying Systems
📩 Contact us to configure your corrosion-resistant inline dew point transmitter today.
| Model | Output (T: Temperature, H: Humidity, DP: Dew Point) | Dew Point Range | Temperature Range | Humidity Range | Withstands Condensation |
|---|---|---|---|---|---|
| HG602-G | T + DP (read simultaneously) via RS485 (Modbus-RTU) and analog output (4-20 mA / 0-5 V / 0-10 V selectable) | –60 ~ +20 °C | –40 ~ +60 °C | — | Y |
🔹Features
| Category | Specification |
|---|---|
| Dew Point Range | –60 °C ~ +20 °C |
| Dew Point Accuracy | ±3 °C (±5.4 °F) Td |
| Temperature Range | –40 °C ~ +60 °C |
| Temperature Accuracy | ±0.2 °C (@ 23 °C) |
| Temperature Stability | ≤ 0.1 °C / year |
| Power Supply | DC 10 V ~ 28 V |
| Analog Output | 4–20 mA / 0–5 V / 0–10 V (select one) |
| Digital Output | RS485 (Modbus-RTU) – Temperature, Dew Point, Humidity, PPM |
| Response Time | Fastest 1 s, adjustable via PLC |
| Pressure Resistance | ≤ 16 bar |
| Housing Protection | IP65 (dustproof, corrosion-resistant) |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 115200 (default 9600 bps) |
| Operating Temperature (Electronics) | –20 °C ~ +60 °C, 0–95 % RH (non-condensing) |
| Probe Connection | G 1/2″ thread, supports customized flange / sampling adapter |
| Material | 316L stainless steel probe, aluminum alloy housing |
| Customization | Probe structure, length, material, and mounting can be customized |
Order Number :
| Model | Signal Output | Output Value | Dew Point Range | Temp Range |
|---|---|---|---|---|
| HG602-G4 | 4-20 mA + RS485 | Dew Point | -60 ~ 20 °C | -40 ~ 60 °C |
| HG602-G5 | 0-5v + RS 485 | Dew Point | -60 ~ 20 °C | -40 ~ 60 °C |
| HG602-G1 | 0-10v + RS 485 | Dew Point | -60 ~ 20 °C | -40 ~ 60 °C |
Used for continuous dew point and temperature monitoring in compressed air networks to prevent moisture condensation and equipment corrosion.
Ensures stable air quality in pneumatic and industrial drying processes.
Maintains precise humidity and dew point control in sterile manufacturing environments.
Helps ensure GMP compliance, product stability, and contamination-free production.
Provides real-time dew point monitoring in ultra-dry glove boxes to prevent electrolyte moisture absorption.
Essential for maintaining product safety and extending cell lifespan.
Used for temperature and humidity balance control in food dehydration and drying tunnels.
Improves product consistency and prevents over-drying or microbial growth.
Your questions answered
The HG602-G is purpose-built for harsh industrial environments such as lithium battery, chemical, and pharmaceutical production lines where corrosion, condensation, and high humidity are constant challenges.
The transmitter features a 316L stainless steel housing with nano-coated surface treatment, providing outstanding resistance against acid, alkali, and salt-mist corrosion.
It has been field-tested to deliver over 30% longer service life and 40% lower long-term maintenance costs compared with conventional sensors.
Yes. The HG602-G includes an integrated sensor heating system that prevents condensation even in low-temperature, high-humidity conditions.
Its chemical-resistant design protects against compressor oil and chemical vapors, ensuring stable and accurate dew point readings under any condition.
The HG602-G supports dual output options —
Digital: RS485 (Modbus-RTU)
Analog: 4–20 mA / 0–5 V / 0–10 V
This allows seamless integration with PLC and DCS systems, enabling full compatibility with Industrial IoT (IIoT) monitoring and control networks.
The HG602-G offers performance equivalent to leading international brands but at a significantly lower cost.
With local technical support and fast OEM customization, it provides a high-performance, cost-efficient alternative for system integrators and equipment manufacturers.
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In short, Humidity and temperature transmitters measure and send environmental data to control systems. They are widely used in HVAC, pharmaceuticals, food processing, and cleanrooms
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