Explosion Proof Portable Dew Point Meter, Runlai E300Ex High Accuracy Trace Moisture Micro Water Analyzer with Robust Metal Construction, Customizable Gas Detector for Hazardous Area Gas Dewpoint Test
The RL-E300Ex explosion-proof portable dew point analyzer adopts an imported thin-film capacitive measurement principle and is equipped with an intelligent microprocessor system. It can quickly and accurately detect the moisture content in gases. This instrument is equipped with a full Chinese operation menu and supports automatic alarm, data storage, and remote communication functions. It also has a high-stability gas path system and a temperature compensation module, effectively improving the measurement reliability in complex environments. The product is compact in structure and easy to carry. It can be optionally equipped with an internal vacuum pump.
| Parameter | Value |
|---|---|
| Measurement principle | Imported thin-film capacitive ceramic humidity sensor |
| Measurement range | -110℃ to +20℃ DP: (The range can be selected arbitrarily) |
| Accuracy | ≤+2℃ |
| Resolution | 0.1℃ |
| Repeatability | ≤±1℃ |
| Stability | ≤±1℃ |
| Response time | T90 ≤ 3min |
| Instrument lifespan | 6 years (under correct operation and usage conditions) |
| Working voltage | 220~240VAC, 50/60Hz |
| Overall power consumption | ≤15W |
| Contact output | Dual relay output 220V AC, 10A or 24V DC 2A |
| Contact capacity | 220VAC, 2A/24VDC 1A |
| Environmental temperature | -25℃ to +55℃ |
| Environmental humidity | ≤90%RH; |
| Entry pressure | 0.05 MPa ≤ entry pressure ≤ 0.25MPa |
| Sample gas flow rate | (2.0 ± 0.5) L/min; |
| Sample gas requirements | dust-free, water-free, oil-free |
It is widely applicable in explosion-proof environments in industries such as petroleum, chemical engineering, metallurgy, and power, meeting the high standards for gas humidity detection in various industries.
The measurement principle of the imported thin-film capacitive ceramic humidity sensor is based on the capacitive change response of the sensor's sensitive element to the moisture content in the gas. The sensor is made of a thin functional film layer of special ceramic material. When water molecules in the environment pass through the protective layer and are adsorbed by the film, it causes a change in the dielectric constant of the medium, thereby changing the capacitance value. The sensor detects this capacitance change and, in combination with temperature compensation and signal processing circuits, calculates the corresponding humidity or dew point value, achieving rapid and stable moisture measurement.
