Rosemount 3107, Справочное руководство

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Reference Manual
00809-0200-4840, Rev BA
Appendix A: Reference Data
December 2014
111
Appendix A: Reference Data
Appendix A Reference Data
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 111
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 115
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 118
A.1 Specifications
A.1.1 General
Product

Rosemount 3107 and 3108 Ultrasonic Transmitters:
Level, Content (Volume), and Open channel flow measurement
Measurement principle

Ultrasonic, time-of-flight
A.1.2 Measuring performance
Measurement range

3107: 1 to 39 ft (0,3 to 12 m)

3108: 1 to 11 ft (0,3 to 3,3 m)
Blanking distance (dead zone)

12 in. (0,3 m)
Level resolution

Better than 0.06 in. (1 mm)
Level accuracy under reference conditions
(1)

± 0.1 in. (2,5 mm) for measured distance < 3.3 ft. (1 m)

± 0.25% of distance for measured distance > 3.3 ft. (1 m)
Ultrasonic pulse rate

1 per second (user configurable 0.5 to 2.0 seconds)
(1) Temperature: 68 °F (20 °C), Pressure: 1013 mbar (atmospheric pressure), Relative Humidity: 50%, calm and stable water surface.