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產品簡介

FLOWLINE LU80 / LU81 / LU83 /LU84液位計，LU80 / LU81 / LU83 /LU84是一種通用型兩線制超聲波液位變送器，它提供了無觸點的液位測量，測量上限為10m.它非常適合高要求的超純液體、腐蝕性和廢液液位的測量。變送器可以用按鍵調校。在大型常壓儲存器、常用儲存罐和廢液池測量中，它被廣泛選用。例如被測介質還包括廢水和氫氧化鈉等。

詳細介紹

FLOWLINE LU80 / LU81 / LU83 /LU84液位計

說明
LU80 / LU81 / LU83 /LU84是一種通用型兩線制超聲波液位變送器，它提供了無觸點的液位測量，測量上限為10m.它非常適合高要求的超純液體、腐蝕性和廢液液位的測量。變送器可以用按鍵調校。在大型常壓儲存器、常用儲存罐和廢液池測量中，它被廣泛選用。例如被測介質還包括廢水和氫氧化鈉等。

性能
1.采用調校按鍵和LCD液晶顯示，使設置快速而簡單。
2.提供3個測量范圍，*大測量距離是10m，帶2″的探頭。
3. 6位數字LCD顯示，用英寸或cm顯示液位。
4.*小的射束直徑（7.6cm），可在有限的空間內應用
5.可選擇顯示液面距離和液體高度。 ? PC/ABS材料密封，等級為NEMA 4X，帶堅固的PVDF探頭。
6.智能化的故障保護，帶診斷返回，方便故障查找。

選型
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

測量范圍	LU80： (10cm- 3m) LU81： (20cm- 5m) LU83：(30cm- 8m) LU84：(30cm-10m)
測量精度	± 0.2% ,全量程,在空氣中
分辨率	LU81/83： 0.039" (1 mm) LU84：?? ?0.078" (2 mm)
射束寬度	3" (7.6 cm) 直徑
盲區	LU81： 4" (10 cm) LU83： 8" (20 cm) LU84： 12" (30 cm)
顯示類型	LCD, 6位數字
顯示單位	英寸, cm ,百分數
顯示內容	液面距離或液位高度
供電電源	12-28VDC
回路阻抗	500Ω @ 24 VDC
輸出信號	4-20 mA 或 20-4 mA
調校	按鍵
過程溫度	C： -20°-60°
溫度補償	自動
電氣溫度	C： -40°-71°
壓力	2 bar@ 25°C；高于25°C每°C降低(0.113 bar)
密封等級	NEMA 4X (IP65)
密封材料	PC/ABS FR
變送器材料	PVDF
過程安裝	2" NPT (2" G)
安裝墊圈	Viton
進線口	兩路, 1/2" NPT
類型	通用型
CE論證	EN 61326 EMC

詳細英文介紹

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EchoSpan™ GP Ultrasonic Transmitter, Non-contact Measurement with Display

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

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.

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.

關鍵詞：液位變送器

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