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    dwyer PMT系列粉尘浓度变送器

    产品型号: PMT
    品  牌: DWYER
    • ≧1 台
      ¥35000.00
    所 在 地: 陕西西安
    更新日期: 2025-05-06
    详细信息
     品牌:DWYER  加工定制:否  型号:PMT  
     流量范围:100 L/min 连续工作时间:10 min 测量范围:99  
     检测灵敏度:1  重复性误差:1  环境温度:65  
     工作温度:100 ℃ 尺寸:1500 mm 重量:3 kg 
     电源:220  尺寸:1500 mm 重量:3 kg 

    探头工作原理:采用电荷感应和探头保护技术,当粉尘微粒流经探头附近的时,微弱的电信号感应进入到探头中,一个DSP数字信号处理器处理此感应信号,成为一个线性比例与粉尘威力质量含量的绝对输出值。由于采用了探头保护技术和电荷感应技术,确保该探头能检测各种潮湿粉末和高导电粉尘,传感器为被动型(无电源和电子电路),基本免维护,非常耐用。

     

    测量范围:>0.3微米的任何颗粒 探测等级:0.1PA 等效于0.1mg/m3, 0.5PA 等效于0.5mg/m3,5.0PA 等效于5.0mg/m3。

    输出:4-20mA

     

    优点:

    1.比传统的摩擦电原理的粉尘探头具有更高的可靠性

     

    2.满足美国国家环保局EPA认证

     

    3.对于各种腐蚀、粘稠气体、水比较多,需要仪表本身比较耐磨损和防堵塞的场合.

     

    应用场合

     

    各种管道气体输送粉料,气体加压运输等以及布袋除尘(收尘设备),高炉余压发电TRT粉尘保护.严格和传统的摩擦电原理粉尘探头区分.

    特性:

     

    Service: Air and compatible gases, any type particulate conductive or nonconductive.
    Wetted Materials: 304 SS and PTFE.
    Air Velocity Range: 300 ft/min and higher.
    Minimum Detection: Standard: 10.0 pA, Optional: 5.0 pA and 0.5 pA.
    Temperature Limits: Ambient: -15 to 160°F (-25 to 70°C); Process: Standard: -40 to 250°F (-40 to 120°C); Optional: -40 to 450°F (-40 to 232°C).
    Pressure Limit: 10 psi (0.69 bar).
    Power Requirement: 18-28 VDC (24V Nominal).
    Output Signal: 4-20 mA.
    Loop Resistance: 300 Ohms maximum.
    Current Consumption: Powered from 4-20 mA loop.
    Electrical Consumption: Terminal Block.
    Process Connection: See Model Chart on .
    Enclosure Rating: Weatherproof, NEMA 4X (IP 66).
    Mounting Orientation: Any.
    Weight: Varies with length of probe and type of mount.
    Agency Approvals: CE Ordinary locations only, CSA

    选型表

     

     

    EXAMPLE

    PMT

    A1

    1

    T1

    P1

    1

    L1.5

    PMT-A11T1P1-L1.5 Particulate Transmitter, ordinary/general purpose locations,

    CE approval, NEMA 4X, CSA, , 1/2" NPT connection, 250°F max. temp., 10 psi

    max. pressure, 10.0-5000 pA, 1.5" probe.

    SERIES DESIGNATOR

    PMT

     

     

     

     

     

     

    PMT Particulate Transmitter (1-piece configuration, sensor included in price)

    ENCLOSURE RATING

     

    A1

     

     

     

     

     

    Ordinary/General Purpose Locations, CE Approval, NEMA 4X, CSA

    AHZ2

    Hazardous Location, CSA Approval, Class I, Division II, Groups A-D; Class II,

     

    Groups F,G

    PROCESS CONNECTION

     

     

    1

     

     

     

     

    1/2" NPT

    2

    1.5" Quick Clamp Connection

    3

    2" 150# ANSI Flange

    4

    2" 150# ANSI Flange with Process Mating Flange and Installation Kit.

    MAXIMUM PROCESS

     

     

     

    T1

     

     

     

    250°F (121°C)

    TEMPERATURE

    T2

    450°F (232°C)

    MAXIMUM PROCESS

     

     

     

     

    P1

     

     

    10 psi

    PRESSURE

    RANGE

     

     

     

     

     

    1

     

    10.0-5000 pA

    2

    5.0-5000 pA

    3

    0.5-5000 pA (required for low levels or EPA leak detection)

    INSERTION LENGTH

     

     

     

     

     

     

    L1.5

    1.5" Probe

    (recommended at

    L03

    3" Probe

    least 1/2 duct diameter)

    L05

    5" Probe

     

    L10

    10" Probe

     

    L15

    15" Probe

     

    L20

    20" Probe

     

    L30

    30" Probe

     

    L36

    36" Probe

     

     

     

     

     

     

     

     

     

     

     

     

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