FLOWLINE LU80 / LU81 / LU83 /LU84液位计
说明
LU80 / LU81 / LU83 /LU84是一种通用型两线制超声波液位变送器，它提供了无触点的液位测量，测量上限为10m.它非常适合高要求的超纯液体、腐蚀性和废液液位的测量。 变送器可以用按键调校。在大型常压储存器、常用储存罐和废液池测量中，它被广泛选用。例如被测介质还包括废水和氢氧化钠等。
性能
1.采用调校按键和LCD液晶显示，使设置快速而简单。
2.提供3个测量范围，*大测量距离是10m，带2″的探头。
3. 6位数字LCD显示，用英寸或cm显示液位。
4.*小的射束直径（7.6cm），可在有限的空间内应用
5.可选择显示液面距离和液体高度。 ? PC/ABS材料密封，等级为NEMA 4X，带坚固的PVDF探头。
6.智能化的故障保护，带诊断返回，方便故障查找。
选型
LU80-5101 /LU80-5161: 3米 NPT/公制接口
LU81-5101 /LU81-5161: 5米 NPT/公制接口
LU83-5101 /LU83-5161: 8米 NPT/公制接口
LU84-5101 /LU84-5161: 10米 NPT/公制接口
测量范围 | LU80： (10cm- 3m)
LU81： (20cm- 5m)
LU83：(30cm- 8m)
LU84：(30cm-10m) |
测量精度 | ± 0.2% ,全量程,在空气中 |
分辨率 | LU81/83： 0.039" (1 mm)
LU84：?? ?0.078" (2 mm) |
射束宽度 | 3" (7.6 cm) 直径 |
盲区 | LU81： 4" (10 cm)
LU83： 8" (20 cm)
LU84： 12" (30 cm) |
显示类型 | LCD, 6位数字 |
显示单位 | 英寸, cm ,百分数 |
显示内容 | 液面距离或液位高度 |
供电电源 | 12-28VDC |
回路阻抗 | 500Ω @ 24 VDC |
输出信号 | 4-20 mA 或 20-4 mA |
调校 | 按键 |
过程温度 | C： -20°-60° |
温度补偿 | 自动 |
电气温度 | C： -40°-71° |
压力 | 2 bar@ 25°C；高于25°C每°C降低(0.113 bar) |
密封等级 | NEMA 4X (IP65) |
密封材料 | PC/ABS FR |
变送器材料 | PVDF |
过程安装 | 2" NPT (2" G) |
安装垫圈 | Viton |
进线口 | 两路, 1/2" NPT |
类型 | 通用型 |
CE论证 | EN 61326 EMC |
详细英文介绍
| Browse the Products |
| EchoSpan™ GP Ultrasonic Transmitter, Non-contact Measurement with Display |
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| | Application | | The general purpose two-wire ultrasonic transmitter provides non-contact level measurement up to 32.8' or 10m, and is ideally suited for challenging ultrapure, corrosive or waste liquids. Push button calibrated, the transmitter is broadly selected for atmospheric bulk storage, day tank and waste sump applications. Media examples include wastewater and sodium hydroxide. |
| | Features | | Setup is fast and simple with push button calibration and LCD display | | Offered in three measurement ranges up to 10m with 2" transducer | | 6-segment LCD display indicates level in inch or centimeter values | | Narrow 3" minimum beam width for applications with restricted space | | PC/ABS enclosure rated NEMA 4X with rugged PVDF transducer | | Fail-safe intelligence with diagnostic feedback for easy troubleshooting |
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| | Configuration | Calibration is fast and simple with our scrolling single layer menu, three button interface and 6-segment LCD display. Troubleshooting is easy with our unique Setup and Diagnostic feedback modes. Setup displays the transmitter's calibration set points. Diagnostics provides users with a snapshot of sensor performance and application variables. Its full feature level made simple.
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| Specifications | Range: | LU81: 8" to 16.4' (20cm to 5m)
LU83: 8" to 26.2' (20cm to 8m)
LU84: 12" to 32.8' (30cm to 10m) | Accuracy: | ± 0.2% of span in air | Resolution: | LU81/83: 0.039" (1 mm)
LU84: 0.078" (2 mm) | Beam width: | 3" (7.6 cm) dia. | Dead band: | LU81/83: 8" (20 cm)
LU84: 12" (30 cm) | Display type: | LCD, 6-digit | Display units: | Inch, cm and percent | Memory: | Non-volatile | Supply voltage: | 12-28 VDC | Loop resist.: | 500 Ohms @ 24 VDC | Signal output: | 4-20 mA, two-wire | Signal invert: | 4-20 mA, 20-4 mA | Calibration: | Push button | Fail-safety: | Selectable 4mA, 20mA
21mA, 22mA or hold | Process temp: | F: -4° to 140°
C: -20° to 60° | Temp. comp.: | Automatic | Ambient temp: | F: -40° to 160°
C: -40° to 71° | Pressure: | 30 psi (2 bar) @ 25°C., derated @ 1.667
psi (.113 bar) per °C.
above 25°C. | Enclosure rating: | NEMA 4X (IP65) | Enclosure vent: | Water tight membrane | Encl. material: | PC/ABS FR | Trans. material: | PVDF | Process mount: | 2" NPT (2" G) | Mount gasket: | Viton® | Conduit entrance: | Dual, 1/2" NPT | Classification: | General purpose | Compliance: | CE: EN61326, EMC |
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Compatible Products | | | | DataView™ II LI55 Advanced Meter and Controller | | The general purpose meter displays engineering units with one 4-20 mA or 0-10 VDC transmitter input channel and is offered in three configurations with optional 2 or 4 relays, 4 or 8 set points and an isolated 4-20 mA repeater. |
| | Commander™ LI90, Advanced Micro PLC Controller | | As a compact, powerful controller - the Commander series can be used in literally thousands of applications. From OEM machine control to machine monitoring in a plant environment, the Commander series can be instrumental in keeping you or your customer's automation activities running smoothly. |
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