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    Portable Online Dew Point Meter/ Analyzer

    5 out of 5 based on 1 reviews | Write a review
    $2,988.78
    The portable online dew point meter is a high-precision instrument for measuring moisture in gases. Featuring fast response, measuring range -80.0~+20.0°C, built-in alarms, automatic data storage, and temperature compensation, the dewpoint analyzer ensures stable and accurate results—ideal for industrial gas monitoring and air drying applications.
    SKU: ATO-DPM-RL-S300
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Note: This dew point analyzer is not suitable for corrosive gases.

    Buy portable online dew point meter online, a high-performance device for accurately measuring the dew point temperature of gases. It detects gas moisture and converts it into a dew point value using advanced sensor technology for reliable, precise dewpoint measurement.

    Specification

    Model ATO-RL-S300
    Measurement Principle Polymer film, aluminum oxide capacitance method (selectable)
    Measurement Range -80.0~+20.0°C
    Resolution 0.1°C
    Stability ≤ ±1°C
    Repeatability ≤ ±1°C
    Response Time T90 ≤ 3min
    Operating Voltage 220~240V AC, 50/60Hz
    Analog Output Dual relay output
    Dimensions 145mm (W) × 145mm (H) × 282mm (D)
    Panel Cut-out Dimensions 135mm (W) × 135mm (H)
    Ambient Temperature -25°C ~ +55°C
    Ambient Humidity ≤ 90% RH


    Feature

    • The portable online dew point meter features an intuitive and reliable menu with control contact outputs.
    • Provides built-in over-limit alarms (via buzzer and display) with customizable alarm modes.
    • Utilizes high-end sensors for high precision and fast response.
    • The dewpoint analyzer offers automatic timed data storage for unattended operation, allowing for data review at any time.
    • Incorporates built-in temperature compensation to minimize measurement inaccuracies caused by fluctuations in gas and ambient temperature.
    • Employs an advanced gas path stabilization system, ensuring a continuous, precise, stable, and user-friendly analysis process.

    Size (unit: mm)

    Portable online dew point meter size

    Application

    Portable online dew point meter application

    Tips: How to maintain the portable online dew point meter?

    1. Clean the sampling system regularly: Remove dust, oil mist, or moisture from the gas inlet and sampling lines to prevent contamination of the dew point meter and internal components.
    2. Use clean and dry gas samples: Always make sure the measured gas is free of corrosive substances and moisture. Installing a gas filter or dryer at the sampling inlet is recommended for added protection.
    3. Periodic calibration: Calibrate the dewpoint analyzer at the recommended intervals using certified standard gases to maintain high measurement accuracy and minimize drift over time.
    4. Check for leaks and sensor status: Inspect all connections, fittings, and seals for leaks. Replace filters or sensors when the reading becomes unstable or after the expected service life.
    5. Environmental care: Keep the dewpoint meter in a dry, clean, and well-ventilated environment, away from direct sunlight, vibration, and corrosive gases.
    6. Proper shutdown and storage: When the dew point measuring device is not in use for a long period, power it off properly, seal the sampling port, and store it in a dust-free environment.

    Regular maintenance not only extends the dew point analyzer’s lifespan but also ensures consistent and precise gas detection performance.

    Existing reviews of Portable Online Dew Point Meter/ Analyzer
    Accurate and convenient
    I’ve been using this portable online dew point meter for routine gas monitoring, and it has been extremely reliable. The response time is impressively fast, and the wide measuring range from -80°C to  20°C covers everything I need for both air-drying systems and industrial gas checks. The readings stay stable thanks to the built-in temperature compensation, and the automatic data storage feature makes it easy to review measurements later without missing anything. I also appreciate the alarm function—it’s very helpful for catching abnormal moisture levels immediately.
    From: Kai | Date: 25/11/2025
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