產品名稱: PMT系列粉塵濃度變送器
產品型號: PMT
兩線制4-20mA輸出
粉塵濃度檢測儀經過一個固定探頭的靜電荷感應量測量粉塵粒子濃度。粉塵粒子與探頭感應產生靜電荷，通過探頭進行信號放大并傳送進監(jiān)測控制系統(tǒng)。靜電荷的大小與粉塵粒子的流量成正比。本系統(tǒng)的高科技電子線路把這部分電荷轉換成為控制信號輸出，用于連續(xù)記錄粉塵粒子的總量或濃度
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
選型表
| 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 AHZ2 | | | | | | Ordinary/General Purpose Locations, CE Approval, NEMA 4X, CSA Hazardous Location, CSA Approval, Class I, Division II, Groups A-D; Class II, Groups F,G |
| Process Connection | | | 1 2 3 4 | | | | | 1/2" NPT 1.5" Sanitary Connection 2" 150# ANSI Flange 2" 150# ANSI Flange with Process Mating Flange and Installation Kit. |
| Maximum Process Temperature | | | | T1 T2 | | | | 250°F （121°C） 450°F （232°C） |
| Maximum Process Pressure | | | | | P1 | | | 10 psi |
| Range | 1 2 3 | 10.0-5000 pA 5.0-5000 pA 0.5-5000 pA （required for low levels or EPA leak detection） | ||||||
| Insertion Length （recommended at least 1/2 duct diameter） | | | | | | | L1.5 L03 L05 L10 L15 L20 L30 L36 | 1.5" Probe |
