A fixed dew point meter is an instrument designed to continuously measure the dew point temperature of gases in a fixed installation. It determines the moisture content by detecting the temperature at which water vapor begins to condense. Unlike portable models, fixed dew point meters are permanently mounted in pipelines or systems for real-time, long-term monitoring. It is commonly used in industries such as compressed air systems, natural gas processing, power generation, and petrochemical plants.

Fixed Dewpoint Analyzer Adopts Intuitive Operation Interface

Supports Alarm & Data Storage
In the agricultural field, dew point meters are mainly used to monitor humidity in greenhouses, providing a suitable environment for the growth of crops, and thereby improving the yield and quality of agricultural products. In industrial production, dew point thermometers are essential for monitoring and controlling humidity in the air. With the development of sensor technology and signal processing technology, the measurement accuracy of dew point meters will continue to improve and meet more stringent measurement requirements.
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| Model | SISCO-DPM-S300 |
| Measurement Range | -80.0~+20.0Β°C |
| Accuracy | β€Β±1.5β(above-60β); β€Β±2β (below-60β) |
| Resolution | 0.1β |
| Repeatability | β€Β±1β |
| Stability | β€Β±1% |
| Sample Gas Flow Rate | (2Β±0.5)L/min |
| Response Time | Ο90 β€ 30S |
| Sample Gas Pressure | 0.05MPaβ€ inlet pressureβ€ 0.25MPa |
| Digital Output | Standard RS485/RS232 communication port, which can realize two-way communication with computer |
| Contact Output | dual relay output 220VAC, 10A or 24VDC, 2A |
| Working Environment | Temperature: -15β~+45β; Humidity: β€90%RH |
| Working Power Supply | 220V~240VAC, 50/60Hz |
| Overall Dimension | 145*145*282mm (W*H*D) |
| Mounting Dimension | 133*133mm (W*H) |
| Weight | About 2.5kg |
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Q1: What is a fixed dew point meter?
A1: A fixed dew point meter is a continuous monitoring instrument used to measure the dew point temperature of gases or air in real time. It indicates the moisture content by identifying the temperature at which water vapor begins to condense. Installed directly in pipelines, compressed air systems, or industrial processes, it provides constant readings rather than spot checks.
Q2: What factors affect the measurement accuracy of the fixed dew point meter?
A2: The measurement accuracy of a fixed dew point tester is influenced by several key factors. Sensor quality and type play a major role, as high-precision sensors provide more stable and repeatable readings. Ambient temperature and pressure variations can affect condensation behavior and must be compensated for. Contamination such as oil, dust, or corrosive gases may damage the sensor or slow its response. Gas flow rate and installation conditions also matter, since insufficient or unstable flow can cause measurement errors.
Q3: What are the advantages of using a fixed dewpoint analyzer?
A3: A fixed dew point meter offers real-time, continuous monitoring of moisture levels in gases, ensuring precise control over humidity-sensitive processes. It reduces the risk of condensation, protecting equipment and product quality. These meters improve process efficiency by providing immediate feedback, allowing rapid adjustments without interrupting operations. They minimize manual sampling, saving labor and reducing errors.
Tips: Does a fixed dewpoint meter require regular maintenance?
Yes, a fixed dewpoint meter requires regular maintenance to ensure accurate and reliable measurements. Routine tasks include inspecting and cleaning the sensor to prevent contamination from dust, oil, or other particulates, which can affect sensitivity. Regular maintenance prolongs the instrument's lifespan, ensures consistent dewpoint readings, and helps prevent costly downtime in industrial or laboratory applications.
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