Corrosion-Resistant Dew Point Transmitter Sensor - HG602-G 

HG602-G Corrosion-Resistant Dew Point Transmitter

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.

СПЕЦИФИКАЦИЯ

МодельOutput (T: Temperature, H: Humidity, DP: Dew Point)Диапазон точки росыДиапазон температурДиапазон влажностиWithstands Condensation
HG602-GT + DP (read simultaneously) via RS485 (Modbus-RTU) и analog output (4-20 mA / 0-5 V / 0-10 V selectable)–60 ~ +20 °C–40 ~ +60 °CY

🔹Features

  • Corrosion-resistant structure: 316L stainless steel sintered probe with anti-corrosion coating
  • Wide dew point range: −60 … +20 °C (−76 … +68 °F)
  • High accuracy: ±3 °C Td for dew point; ±0.2 °C temperature (@23 °C)
  • Excellent stability: ≤0.1 °C/year drift for temperature; <1 % RH/year humidity drift
  • Fast response: <1 s, with PLC-adjustable data refresh frequency
  • High-pressure capability: Operates reliably up to 16 bar
  • Flexible output options:
     • RS-485 (Modbus-RTU) digital output
     • 4–20 mA / 0–5 V / 0–10 V analog (selectable)
  • IP65-rated housing: Dustproof, moisture-proof, and resistant to chemical vapors
  • Wide power supply range: DC 10–28 V with polarity protection
  • Сильная совместимость: Standard Modbus protocol for easy integration with PLC, DCS, or SCADA systems
  • Condensation resistance: Operates stably under 0–95 % RH non-condensing
  • Customizable design: Probe length, material, and mounting options available (threaded, flange, or sampling adapter)

Technical data

КатегорияТехнические характеристики
Диапазон точки росы–60 °C ~ +20 °C
Точность точки росы±3 °C (±5.4 °F) Td
Диапазон температур–40 °C ~ +60 °C
Точность температуры±0.2 °C (@ 23 °C)
Temperature Stability≤ 0.1 °C / year
Источник питанияDC 10 V ~ 28 V
Analog Output4–20 mA / 0–5 V / 0–10 V (select one)
Digital OutputRS485 (Modbus-RTU) – Temperature, Dew Point, Humidity, PPM
Время откликаFastest 1 s, adjustable via PLC
Pressure Resistance≤ 16 bar
Housing ProtectionIP65 (dustproof, corrosion-resistant)
Скорость передачи данных1200, 2400, 4800, 9600, 19200, 115200 (default 9600 bps)
Operating Temperature (Electronics)–20 °C ~ +60 °C, 0–95 % RH (non-condensing)
Probe ConnectionG 1/2″ thread, supports customized flange / sampling adapter
Материал316L stainless steel probe, aluminum alloy housing
CustomizationProbe structure, length, material, and mounting can be customized

Order Number :

МодельSignal OutputOutput ValueДиапазон точки росыTemp Range
HG602-G44-20 mA + RS485   Точка росы-60 ~ 20 °C-40 ~ 60 °C
HG602-G50-5v + RS 485 Точка росы-60 ~ 20 °C-40 ~ 60 °C
HG602-G10-10v + RS 485 Точка росы-60 ~ 20 °C-40 ~ 60 °C

Often used in

1. Compressed Air Drying Systems

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.

2. Pharmaceutical Cleanrooms & Sterile Workshops

Maintains precise humidity and dew point control in sterile manufacturing environments.
Helps ensure GMP compliance, product stability, and contamination-free production.

3. Lithium Battery Electrolyte Filling Glove Boxes

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.

4. Food Drying Production Lines

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

FAQs

The HG602-G is purpose-built for суровые промышленные условия такие как 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 и 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 и fast OEM customization, it provides a high-performance, cost-efficient alternative for system integrators and equipment manufacturers.

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