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PMT系列粉尘浓度变送器
产品名称: PMT系列粉尘浓度变送器
产品型号: PMT

两线制4-20mA输出

粉尘浓度检测仪经过一个固定探头的静电荷感应量测量粉尘粒子浓度。粉尘粒子与探头感应产生静电荷，通过探头进行信号放大并传送进监测控制系统。静电荷的大小与粉尘粒子的流量成正比。本系统的高科技电子线路把这部分电荷转换成为控制信号输出，用于连续记录粉尘粒子的总量或浓度

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 Ordering Page.
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