Comate (Dew Point Meter) – Accurate Monitoring Solution for Compressed Air Dryness
In industrial compressed air systems, the dryness of the air plays a crucial role in equipment durability, production quality, and operating costs. Comat dew point metere this is a highly accurate, continuous dew point monitoring solution that helps businesses control humidity in compressed air, prevent condensation, and protect the entire system. The device is particularly suitable for manufacturing plants, food, pharmaceutical, electronics, and other industries requiring high-quality compressed air.
Comete is a leading global manufacturer of flow measurement and gas monitoring equipment. Comete products are widely used in various industries due to their high accuracy and superior durability.
Comate
In there, Comete Dew Point Meter this is a standout device specifically designed for measuring and monitoring dew point and residual humidity in compressed air systems and other industrial gases. Developed by COMATE, the device meets the requirements for accurate measurement, stable operation, and suitability for harsh industrial environments.
Overview of the Comete dew point meter
The Comete Dew Point Meter is a specialized measuring device used to determine dew point of compressed air – the temperature at which water vapor in the gas begins to condense into liquid form. The device is designed to Install online directly on the compressed air pipeline, allowing for continuous real-time monitoring.
In industrial environments, even a small amount of moisture exceeding the permissible limit can cause:
- Corrosion of pipes, valves, and cylinders.
- Damage to pneumatic machinery and tools
- Reduced product quality, especially in the food, pharmaceutical, and electronics industries
Using a dew point meter helps businesses actively control the dryness of compressed air, instead of just performing manual periodic checks.
Detailed specifications of the Comete dew point meter.
| Technical data | DP2 | DP3 with display |
|---|---|---|
| Maximum Operating Pressure | 1.6MPa | |
| Operating Environment Temperature | 0°C..+60°C | |
| Environmental Humidity | 0...95%RH | |
| Protection Class | IP67 | IP65 |
| Power Supply & Power consumption | 12~32V DC, 0.72w@24V | |
| Communication Interface | ModBusRTU-RS485 | |
| 4–20mA output | ≤600Ω, accuracy: 0.1% | |
| ModBus–RS485output | Maximum baud rate 115200 bps | |
| Communication Method | Bluetooth 5.0 | |
| Companion Software | Comate APP | |
| Housing Material | S30408 Stainless Steel | PC+ABS |
| Dimensions | Refer to the pic | |
| Display | / | 3" full color LED display |
| Mounting | Threaded G 1/2” | |
Detailed specifications of the Comete dew point meter.
| TECHNICAL DATA | ||
|---|---|---|
| TECHNICAL DATA | DP2 | DP3 WITH DISPLAY |
| MEASURING RANGE | -80°CTD~+20°CTD, -20°CTD~+50°CTD | -80°CTD~+20°CTD, -60°CTD~+60°CTD, -20°CTD~+50°CTD |
| SENSOR PRINCIPLE | POLYMER | |
| TEMPERATURE SENSOR | PT100 | |
| MEASURING MEDIA | AIR, AR (ARGON), O2, N2, CO2 | |
| RESPONSE TIME (T90) @4L/MIN | 0°CTD -> -20°CTD: ≤50 SEC | -20°CTD -> 0°CTD: ≤35 SEC |
| DEW POINT ACCURACY | ± 1°Ctd, +50°Ctd…−20°Ctd ± 2°Ctd, −20°Ctd…−50°Ctd ± 3°Ctd, −50°Ctd…−80°Ctd | |
| DEW POINT REPEATABILITY | ±1°C | |
| RELATIVE HUMIDITY | 0...90%RH | |
| MEDIUM TEMPERATURE | -30...+70°C | |
| TEMP MEASUREMENT ACCURACY | ±0.3°C | |
Detailed specifications of the Comete dew point meter.
Dew point accuracy
| Category | Specifications |
|---|---|
| Dew point accuracy | ±1°Ctd (+50°Ctd→−20°Ctd); ±2°Ctd (−20°Ctd→−50°Ctd); ±3°Ctd (−50°Ctd→−80°Ctd) |
| Repeatability | ±1°Ctd |
| Relative humidity measurement range | 0 → 90% RH |
| Dew point measurement range | -80°Ctd → +50°Ctd |
| Ambient temperature measurement | -30°C → +70°C |
| Operating ambient temperature | 0°C → +60°C |
| Maximum operating pressure | 1.6 MPa (≈16 bar) |
| Power supply | 12 – 32 VDC |
| Power consumption | 0.72 W @ 24VDC |
| Signal output | 4–20 mA (accuracy 0.1%) |
| Media | Modbus RTU – RS485 |
| Protection level | DP3: IP67; DP2: IP65 |
| Shell material | S30408 stainless steel and PC + ABS plastic |
| Category | Specifications |
|---|---|
| Dew point accuracy | ±1°Ctd ( +50°Ctd → -20°Ctd )±2°Ctd ( -20°Ctd → -50°Ctd )±3°Ctd ( -50°Ctd → -80°Ctd ) |
| Repeatability | ±1°Ctd |
| Relative humidity measurement range | 0 → 90% RH |
| Dew point measurement range | -80°Ctd → +50°Ctd |
| Ambient temperature measurement | -30°C → +70°C |
| Operating ambient temperature | 0°C → +60°C |
| Maximum operating pressure | 1.6 MPa (≈16 bar) |
| Power supply | 12 – 32 VDC |
| Power consumption | 0.72 W @ 24VDC |
| Signal output | 4–20 mA (accuracy 0.1%) |
| Media | Modbus RTU – RS485 |
| Protection level | DP3: IP67DP2: IP65 |
| Shell material | S30408 stainless steel and PC + ABS plastic |
Components and operating mechanism – The principle of dew point measurement
It comprises two main product lines:
- DP2: No display screen, suitable for integration into a central monitoring system.
DP2: No display screen, suitable for integration into a central monitoring system.
- DP3It has a direct LCD display, convenient for on-site operation and inspection.
DP3: Features a direct LCD display, convenient for on-site operation and inspection.
Mechanism and operating principles
Comete dew point meters operate based on measuring vapor pressure in compressed air. When humidity changes, the sensor's electrical characteristics also change. The processor will:
- Receiving signals from sensors
- Convert to dew point value
- Display and output warning signals when thresholds are exceeded.
Thanks to its continuous measurement mechanism, the device helps detect problems early in the following areas:
- Operational stability
- Compressed air filter
- Moisture leakage from the environment
Key advantages of the Comete dew point meter
- High accuracy: meets stringent compressed air monitoring standards
- Continuous 24/7 monitoring: not missing any instances where humidity exceeds the threshold
- Easy integration: quick PLC/SCADA connection
- Durable industrial-grade design: operates stably in harsh environments
- Reduce maintenance costs.: early detection of air dryer malfunctions
- Optimizing production efficiency: ensuring the quality of compressed air output
Key technical features
1. High-sensitivity polymer sensor
- Polymer sensor application combined with advanced processing algorithms
- Fast response, ensuring stable measurements in continuous monitoring.
2. Smart Bluetooth 5.0 connection
Features integrated modern Bluetooth 5.0.
Connect with the Comete App to:
- Remote data monitoring
- Flexible measurement threshold setting
- Inspect and diagnose the equipment's condition.
- 3. Visual display screen (DP3 series)
Sharp 2-inch full-color LCD screen
Display simultaneously:
- Dew point (°Ctd)
- Temperature
- Pressure
- Alert status
4. Intelligent alarm system
- Supports Alarm extension
- Automatically delays turning off the alarm when the measured value returns to a safe level
- Reduce false alarms, increase system operational stability
Practical applications
In many manufacturing plants that use continuous compressed air, Comete dew point meters have been deployed to:
- Compressed air dew point measurement after adsorption dryers, and freeze dryers
- Kiểm soát độ ẩm trong các loại khí công nghiệp như Oxygen (O₂), Nitrogen (N₂), Argon (Ar), CO,...
- Measure the dew point plastic granule dryer in the plastics industry
According to feedback from the operations engineer, the equipment installation helps significantly reduces water condensation in the pipes., this extends the lifespan of valves and pneumatic equipment.
Guide to choosing the right Comete dew point meter
When choosing a dew point meter, businesses should consider the following:
- Suitable measuring range: the system requires extremely dry air with a range of -40°Cdp or lower.
- Signal type: choose 4–20mA or RS485 for easier integration.
- Working pressure & temperature: suitable to actual conditions
- Installation location: before or after the air dryer, depending on the monitoring purpose.
Choosing the right model helps optimize investment costs and ensures long-term efficiency.
Installation & Operation Instructions
- Install the device in a location with a stable airflow.
- Avoid areas with strong vibrations or excessively high temperatures.
- Perform periodic calibration according to technical recommendations.
- Connect the warning signal to ensure timely action when the dew point exceeds the threshold.
Frequently Asked Questions (FAQ)
1. Is the Comete dew point meter for compressed air or other gases?
The device is primarily used for dry compressed air and can be applied to several types of non-corrosive industrial gases.
2. Is periodic calibration necessary?
Yes. Regular calibration helps ensure long-term accuracy.
3. Should it be installed before or after the air dryer?
Typically installed after the dryer to test drying efficiency.
4. Does the device give a warning when the humidity exceeds the threshold?
Alarms can be set via output signals.
Why should you buy Comete dew point meters from Phuc Hung?
- Years of experience in the field industrial pneumatic and measuring equipment
- Technical consulting tailored to actual needs
- We supply genuine products with full CO-CQ certificates
- Clear installation support, warranty, and after-sales service
Are you looking for Comet dew point meter how to monitor the dryness of compressed air accurately, consistently, and reliably?
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