Key: test item, instrument name, total nonvolatile migration, gravimeter, moisture permeameter

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Online Dew Point Meter

DPM-16L
Focusing on packaging and material testing technology, we are committed to quality control in industries such as healthcare, pharmaceuticals, food, packaging, textiles, and new materials. Our products are widely used in enterprises, testing institutions, universities, and research institutes.
Category:

Trace Moisture

Handhold Dew Point Meter

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    • Commodity name: Online Dew Point Meter

    DPM-16L

    Function
    Perform on-line measurement of the dew point of non-corrosive gas and acid gas, or trace water content in the gas.


    Principle
    The coil-like double platinum wire and its gap (less than 20um) constitute an electrolytic cell. Phosphorus pentoxide in the gap between platinum wires absorbs trace water to produce phosphoric acid and generates a weak current. The current is proportional to the amount of water absorbed. The dew point or trace water content is calculated according to the measured current.


    Standards

    GBT 5832.1


    Characteristics
    High precision, 10 ppb.
    Wide Test range, -80℃Td~-6 ℃Td.
    Corrosion resistance - It can measure acid gas and slightly corrosive gas.
    The gasification chamber is used to heat the liquefied gas.
    Sensor safety - with a sensor over range protection function.
    Meter net - more than 100 meters can be monitored by a computer.
    Explosion-proof class, ExdIIBT4.
    With constant temperature function, it can be used stably under various climate conditions.
    Provide an RS-485 port to connect to a computer.
    Professional Monitor software - sample data showed in curve form, stored in the database. Real-time device control.

     

    Specification

    Name

    Parameter

    Name

    Parameter

    Dew point Range

    -90 ℃Td ～ -6 ℃Td

    Repeatability

    ≤±1 ℃Td

    Water content range

    0.1 ppmv～3800 ppmv

    precision

    0.1 ppmv or 1% m.v.

    Flow rate

    100 sccm (adjustable)

    Response time

    ＜5 min

    Gasification Temp.

    40℃

    Protection level

    IP65

    Communication

    RS 485

    Explosion-proof class

    EXDIIBT4

    connector

    1/8”meter pipe

    Gas pressure

    ≤1MPa

    Size

    300*120*360 mm (L*B*H)

    Power supply

    AC220V or DC24V

    Environment

    -30 ℃ ～ 50 ℃

     

     

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Keywords:

meter the to water in range td and gas or

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