| 磁性接近傳感器  由于磁場能夠穿透許多非金屬材料，因此無須直接接觸目標物體就可觸發(fā)交換過程。通過使用磁性導體（比如鐵），磁場即可被傳導到較遠的距離，于是，信號就能從溫度高的區(qū)域傳送出去。磁性傳感器的應用范圍十分廣泛。例如：
１、透過塑料容器及塑料管探測物體
２、透過保護性的聚四氟乙烯壁探測侵蝕性介質中的物體
３、探測高溫度區(qū)域的物體
４、清管器技術
５、使用磁體確認譯碼
６、使用磁體M 4.0（見附件）查閱嵌入非金屬材料中的設備
· NAMUR 磁性接近傳感器 選擇表 產(chǎn)品系列 | 尺寸 | 感應范圍 | 連接 | MM12-60A-N-ZC0 | M12 x 1 | 60 mm | 插頭 | MM12-60A-N-ZW0 | M12 x 1 | 60 mm | 電纜 | MM18-70A-N-ZC0 | M18 x 1 | 70 mm | 插頭 | MM18-70A-N-ZW0 | M18 x 1 | 70 mm | 電纜 |
MM12（Namur） · 特性與規(guī)格 Model Name：MM12-60A-N-ZC0 Part Number：7900287 Product features | Max. sensing range: | 60 mm | Measuring condition: | Sensing range based on installation in non-magnetic material using Magnet MAG-3010-B （M 4.0） | Magnetic alignment: | axial | Switching output: | Control current dependent on switching state | Hazardous area category: | 2G | Output function: | NAMUR | Switching frequency: | 5,000 Hz | Connection type: | Connector, M12, 4-pin |
Technical data | Design: | Cylinder with thread | Thread size: | M12 x 1 | Dimensions （W x H x L）: | 62,5 | Supply voltage: | DC 5 ... 25 V | Ripple: | <= 5 % of Ub | Power consumption, attenuated: | >= 2.5 mA | Power consumption, unattenuated: | <= 1 mA | Internal capacitance: | <= 15 nF | Internal inductance: | <= 35 µH | Time delay before availability: | <= 2 ms | Hysteresis min ... max （of sr）: | 1 ... 10 % | | , | Reproducibility: | <= 1 % of sr （Ub and Ta constant） | Temperature drift （of sr）: | ± 10 % | EMC: | according to EN 60 947-5-6 | Enclosure rating: | IP 67 | Ambient temperature min ... max: | -25 °C ... +70 °C | Tightening torque: | 7 Nm | ATEX: | Housing material: | Brass nickel-plated, plastic |
Model Name：MM12-60A-N-ZW0 Part Number：7900286 Product features | Max. sensing range: | 60 mm | Measuring condition: | Sensing range based on installation in non-magnetic material using Magnet MAG-3010-B （M 4.0） | Magnetic alignment: | axial | Switching output: | Control current dependent on switching state | Hazardous area category: | 2G | Output function: | NAMUR | Switching frequency: | 5,000 Hz | Connection type: | Cable, PVC, 2 m |
Technical data | Design: | Cylinder with thread | Thread size: | M12 x 1 | Dimensions （W x H x L）: | 50 | Supply voltage: | DC 5 ... 25 V | Ripple: | <= 5 % of Ub | Power consumption, attenuated: | >= 2.5 mA | Power consumption, unattenuated: | <= 1 mA | Internal capacitance: | <= 15 nF | Internal inductance: | <= 35 µH | Time delay before availability: | <= 2 ms | Hysteresis min ... max （of sr）: | 1 ... 10 % | Reproducibility: | <= 1 % of sr （Ub and Ta constant） | Temperature drift （of sr）: | ± 10 % | EMC: | according to EN 60 947-5-6 | Enclosure rating: | IP 67 | Ambient temperature min ... max: | -25 °C ... +70 °C | Tightening torque: | 7 Nm | ATEX: | Housing material: | Brass nickel-plated, plastic |
.. MM18（Namur） · 特性與規(guī)格 Model Name：MM18-70A-N-ZC0 Part Number：7900289 Product features | Max. sensing range: | 70 mm | Measuring condition: | Sensing range based on installation in non-magnetic material using Magnet MAG-3010-B （M 4.0） | Magnetic alignment: | axial | Switching output: | Control current dependent on switching state | Hazardous area category: | 2G | Output function: | NAMUR | Switching frequency: | 5,000 Hz | Connection type: | Connector, M12, 4-pin |
Technical data | Design: | Cylinder with thread | Thread size: | M18 x 1 | Dimensions （W x H x L）: | 65 | Supply voltage: | DC 5 ... 25 V | Ripple: | <= 5 % of Ub | Power consumption, attenuated: | >= 2.5 mA | Power consumption, unattenuated: | <= 1 mA | Internal capacitance: | <= 15 nF | Internal inductance: | <= 35 µH | Time delay before availability: | <= 2 ms | Hysteresis min ... max （of sr）: | 1 ... 10 % | Reproducibility: | <= 1 % of sr （Ub and Ta constant） | Temperature drift （of sr）: | ± 10 % | EMC: | according to EN 60 947-5-6 | Enclosure rating: | IP 67 | Ambient temperature min ... max: | -25 °C ... +70 °C | Tightening torque: | 25 Nm | ATEX: | Housing material: | Brass nickel-plated, plastic |
Model Name：MM18-70A-N-ZW0 Part Number：7900288 Product features | Max. sensing range: | 70 mm | Measuring condition: | Sensing range based on installation in non-magnetic material using Magnet MAG-3010-B （M 4.0） | Magnetic alignment: | axial | Switching output: | Control current dependent on switching state | Hazardous area category: | 2G | Output function: | NAMUR | Switching frequency: | 5,000 Hz | Connection type: | Cable, PVC, 2 m |
Technical data | Design: | Cylinder with thread | Thread size: | M18 x 1 | Dimensions （W x H x L）: | 50 | Supply voltage: | DC 5 ... 25 V | Ripple: | <= 5 % of Ub | Power consumption, attenuated: | >= 2.5 mA | Power consumption, unattenuated: | <= 1 mA | Internal capacitance: | <= 15 nF | Internal inductance: | <= 35 µH | Time delay before availability: | <= 2 ms | Hysteresis min ... max （of sr）: | 1 ... 10 % | Reproducibility: | <= 1 % of sr （Ub and Ta constant） | Temperature drift （of sr）: | ± 10 % | EMC: | according to EN 60 947-5-6 | Enclosure rating: | IP 67 | Ambient temperature min ... max: | -25 °C ... +70 °C | Tightening torque: | 25 Nm | ATEX: | Housing material: | Brass nickel-plated, plastic |
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