SGM LEKTRA液位变送器METER系列METER1L4A技术参数及选型
SGM LEKTRA液位变送器METER系列METER1L4A技术参数及选型
自 1977 年以来，SGM LEKTRA 一直在制造用于工业过程和集成水循环的测量和控制仪器。
SGM LEKTRA 提供用于测量流量、压力、液位、现场通信和完整自动化解决方案的仪器。
SGM LEKTRA液位变送器METER系列技术参数
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Housing/sensor material
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PC or Al / PP wetted part (only PVDF for ATEX certified vers.)
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Mechanical installation
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2” GAS M (PP flange DN80 opt.)
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Protection degree
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IP67/IP68 (Sensor)
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Electrical connection
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Internal push connectors
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Working temperature
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-20 ÷ +60°C
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Pressure
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from 0,5 to 1,5 bar (absolute)
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Power supply
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12Vdc / 20÷30Vdc
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Power consumption
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0,6W (2-wires) – 1,5W (4-wires)
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Analog output
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4…20mA, max 750ohm
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Relays output
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(4-wire only) n°2 3A 230Vac (n.o.)
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Digital communication
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MUDBUS RTU for 4-wire vers. ;
(opt.) HART for 2-wire vers.
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Max measure range
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max 0.25 ÷ 6m
max 0.40 ÷10m
In case of non perfectly reflecting surfaces, the maximum distance value will be reduced
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Blind distance
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0,25m (6m versions) / 0,40m (10m versions)
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Temperature compensation
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digital from -30 to 80°C
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Accuracy
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±0,2% (of the measured distance) not better than ±3mm.
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Resolution
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1mm.
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Calibration
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4 buttons or via HART / MODBUS RTU / BLUETOOTH
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Warm-up
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5 minutes typical
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LCD Display
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Plug-in display/keyboard 4 buttons matrix LCD
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Ex-proof
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ATEX II 1/2G Ex ia/db IIC T4 Ga/Gb ;
II 1D Ex ta IIIC T135°C Da Tamb: -20 +60°C
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SGM LEKTRA液位变送器METER系列介绍
范围 0,25 ÷ 6 m / 0,4 ÷ 10 m
IP67
适用于液体和固体
MODBUS总线
电源20÷30Vdc；12 伏直流电
输出 4 ÷ 20 mA（2 线版本）；4 ÷ 20 mA + 2 个继电器组（4 线版本）
防爆
通过智能手机远程控制
Range 0,25 ÷ 6 m / 0,4 ÷ 10 m
IP67
Suitable for liquids and solids
MODBUS
Power supply 20÷30Vdc; 12 Vdc
Output 4 ÷ 20 mA (2 wire version); 4 ÷ 20 mA + 2 relays set (4 wire version)
ATEX
Remote control via Smartphone
SGM LEKTRA液位变送器METER系列其他常用型号：
SGM LEKTRA METER1F4A
SGM LEKTRA METER1L4A