美國FLOWLINE的該產品為通用的兩線制、非接觸式超聲波液位計，其量程能夠達到10米，可以測量各種酸和樹脂等介質，還適合測量超純的、腐蝕的泥漿或者污水，被廣泛應用到過程罐、日用罐水池等場。FLOWLINE（氟萊）超聲波液位計產品特點：
● 量程為5.5米/3米/8米/10米
● 二線制，4-20mA輸出
● 探頭材質為PVDF，耐酸堿腐蝕
● 窄聲束角為0度，支持靜管技術
● WebCal軟件標定，防護等級IP67
美國(氟萊)FLOWLINE超聲波液位計技術參數：
量程： LU27: 10cm-3m LU23: 20cm-5.5m
LU28: 20cm-8m LU29:20cm-10m
精度： ±0.2％滿量程
重復性: LU27:0.5mm LU23/28/29:2mm
死區: LU27: 10cm LU23/28/29:20cm
內存：非易失
供電電壓：24VDC
溫度補償：全量程自動
功耗：0.5W
環繞阻抗： 500Ω @24VDC
信號輸出：4～20mA ，兩線制
信號反向：4～20mA 或者20～4mA
標定：webcal 軟件和USB接口
失效診斷：4mA,20mA,21mA,22mA ,或保存最后數值
過程溫度：-35~+60℃
壓力： 2bar
防護等級：IP65
外殼材質： 聚亞安酯
傳感器材質：PVDF
纜線材質：聚亞安酯
纜線類型： 4芯屏蔽線
纜線長度：3m
過程連接： LU27: 1”NPT(1”G)
LU23/28/29: 2”NPT(2”G)
安裝墊片：VITONa
類別：普通場合
Range: LU27: 4” to 9.8’ (10cm to 3m), LU23: 8” to 18.0’ (20cm to 5.5m), LU28: 8” to 26.2’ (20cm to 8m), LU29: 8” to 32.8’ (20cm to 10m)
Accuracy: ± 0.2% of range
Resolution: LU27: 0.019” (0.5mm), LU23: 0.039” (1mm), LU28/29: 0.079” (2mm)
Dead band: LU27: 4” (10cm), LU23/28/29: 8” (20cm)
Beam width: LU27: 2” (5cm), LU23/28/29: 3” (7.6cm)
Configuration: WebCal™ PC, Windows®, USB 2.0
Memory: Non-volatile
Supply voltage: 24 VDC (loop)
Consumption: 0.5W
Loop resist.: 500 ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Signal fail-safe: 4 mA, 20 mA, 21 mA, 22 mA or hold last
Process temp.: F: -4o to 140o, C: -20o to 60o
Temp. comp.: Automatic
Ambient temp.: F: -31o to 140o, C: -35o to 60o
Pressure: MWP = 30 PSI (2 bar)
Enclosure rating: Type 6P, encapsulated, corrosion resistant & submersible
Encl. material: Polycarbonate
Trans. material: PVDF
Cable jacket mat: Polyurethane
Cable type: 4-conductor, shielded
Cable length: 10’ (3m)
Process mount: LU27: 1” NPT (1” G), LU23/28/29: 2” NPT (2” G)
Mount gasket: Viton®
Classification: General purpose
Compliance: CE, RoHS
Approvals: cFMus
| P/N | DESCRIPTION |
|---|---|
| LU23-00 | 5.5m (18.0′) range, 2″ NPT, w/o Fob |
| LU23-01 | 5.5m (18.0′) range, 2″ NPT, w/Fob |
| LU23-10 | 5.5m (18.0′) range, 2″ G, w/o Fob |
| LU23-11 | 5.5m (18.0′) range, 2″ G, w/Fob |
| LU27-00 | 3m (9.8′) range, 1″ NPT, w/o Fob |
| LU27-01 | 3m (9.8′) range, 1″ NPT, w/Fob |
| LU27-10 | 3m (9.8′) range, 1″ G, w/o Fob |
| LU27-11 | 3m (9.8′) range, 1″ G, w/Fob |
| LU28-00 | 8m (26.2′) range, 2″ NPT, w/o Fob |
| LU28-01 | 8m (26,2′) range, 2″ NPT, w/Fob |
| LU28-10 | 8m (26.2′) range, 2″ G, w/o Fob |
| LU28-11 | 8m (26.2′) range, 2″ G, w/Fob |
| LU29-00 | 10m (32.8′) range, 2″ NPT, w/o Fob |
| LU29-01 | 10m (32.8′) range, 2″ NPT, w/Fob |
| LU29-10 | 10m (32.8′) range, 2″ G, w/o Fob |
| LU29-11 | 10m (32.8′) range, 2″ G, w/Fob |
