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羅斯蒙特3100系列超聲波液位變送器
羅斯蒙特3100系列是一款回路供電的超聲波變送器，能夠提供可靠而持續(xù)的液位測量。

3100 系列液位變送器具有如下特征：
# 非接觸測量，無活動(dòng)部件。
# 標(biāo)準(zhǔn)的一體化LCD和按鈕，用于現(xiàn)場編程。
# 持續(xù)測量液位或測量到表面的距離。體積計(jì)算或明渠流量計(jì)算，適用于3102

型和3105型。
# 2個(gè)一體化信號(hào)繼電器，適用于3102型。
# 易于安裝和組態(tài)。
# 耐震鋁制外殼和PVDF接液件材料。
# 二線制直流回路供電。

Key Specifications
Measurement Principle	Ultrasonic, time-of-flight
Measuring Range	26 ft (8 m) for Rosemount 3101 36 ft (11 m) for Rosemount 3102 and 3105
Instrument Accuracy	Model 3101: ± 0.2 in. (5 mm) for <3.3 ft (1 m), ± 0.5% of measured distance for >3.3 ft (1 m) Models 3102 and 3105: ± 0.1 in. (2.5 mm) <3.3 ft (1 m), ±0.25% of measured distance for >3.3 ft (1 m)
Level Resolution	Better than 1/16 in. (1 mm)
Blanking Distance	12 in. (0.3 m)
Output	4-20mA for 3101 4-20mA with superimposed digital HART® communication for 3102 and 3105
Temperature/Pressure Rating	Refer to the Product Data Sheet (PDF @ 400KB)
Hazardous Location Approvals (for 3105 only)	Intrinsic Safety (ATEX, CSA, IECEx, FM)
Display	Standard 4 ⁄ 5 digit display for configuration purposes.
Output Variables	Level, Distance for 3101 Level, Distance, Volume, Open Channel Flow for 3102 and 3105
Enclosure	Polyurethane-covered die-cast Aluminum housing.
Ingress Protection	NEMA 4X, IP66
Configuration Tools	AMS, 475 Field Communicator, Rosemount 3490 Series Universal Controller or any other DD- or EDDL-compatible host.