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
High-Precision Monitoring for Industrial Drying and Low-Humidity Applications
The HG602-C is a compact and accurate super low dew point transmitter designed for drying systems, glove boxes, and low-humidity process environments.
-It delivers ±1 °C Td accuracy, fast response, and excellent stability, ensuring reliable control of moisture levels in sensitive industrial processes.
-Equipped with dual output options (RS485 + 0–10 V / 4–20 mA) and polarity-protected power input, it integrates easily into PLC and SCADA systems.
Key Highlights:
*Dew Point Range: −30 ~ +50 °C (−22 ~ +122 °F)
*Accuracy: ±1 °C Td (±1.8 °F)
*Temperature Range: −20 ~ +50 °C
*Dual Outputs: RS-485 (Modbus-RTU) + 4–20 mA / 0–5 V / 0–10 V
*Fast Response & High Stability for drying and air treatment processes
*Condensation-Resistant Sensor: Remains dry even in high humidity
*Power Supply: 10–28 V DC with polarity and surge protection
*Filter Head: 316L sintered stainless steel, 60 µm (customizable pore size)
Ideal for:
Drying Systems | Industrial Ovens | Glove Boxes | Environmental Chambers
📩 Contact us to get your HG602-C low dew point solution today.
| Model | Output (T: Temperature, H: Humidity, DP: Dew Point) | Dew Point Range | Temperature Range | Humidity Range | Withstands Condensation |
|---|---|---|---|---|---|
| HG602-C | T + H + DP (read simultaneously) + (4 – 20 mA), T – H – DP (choose 1 from 3) | -30 ~ +50°C (can be set within the range) | -20 ~ +50°C | 0 ~ 100%RH | Y |
| Category | Technical specifications and features |
|---|---|
| Power supply | DC 10V ~ 30V (12V power supply recommended) |
| Power dissipation | <0.1W |
| Dew point range | -30 ~ +50°C (can be set within the range) |
| Temperature range | -20 ~ +50°C |
| Humidity range | 0 ~ 100%RH ( <90%RH recommended) |
| Analog output | Temperature, Humidity, Dew point (choose 1 from 3) |
| RS485 output | Temperature, Humidity, Dew point (read Simultaneously) |
| Typical accuracy (20°C, 50%RH, One standard atmosphere) | |
| Temperature | ±0.1°C |
| Humidity | ±1.5%RH |
| Dew point | ±2°C (in Air or N2) |
| Digital output resolution | 0.01°C / 0.1°C selectable<br>0.01%RH / 0.1%RH selectable |
| Communication baud rate | 1200, 2400, 4800, 9600, 19200, 115200 settable, default 9600 pbs |
| Output (Simultaneously) | 1 route: 4 ~ 20mA (RL≤500Ω)<br>1 route: RS485 Modbus-RTU |
| Acquisition frequency | The fastest 1s response, other can be set by PLC |
| Byte format | 8 data bits, 1 stop bit, no check |
| Pressure | 16 bar |
Order Number :
| Model | Signal Output | Output Value | Dew Point Range | Temp Range |
|---|---|---|---|---|
| HG602-C4 | 4-20 mA + RS485 | Dew Point | -60 ~ 50 °C | -20 ~ 50 °C |
| HG602-C5 | 0-5v + RS 485 | Dew Point | -60 ~ 50 °C | -20 ~ 50 °C |
| HG602-C1 | 0-10v + RS 485 | Dew Point | -60 ~ 50 °C | -20 ~ 50 °C |
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