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Rosemount-P-3812 Two-Path Liquid Ultrasonic Flow Meter

Rosemount™ 3812 Two-Path Liquid Ultrasonic Flow Meter

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Product Description

Ideal for check metering and allocation, the economical Rosemount 3812 Two-Path Liquid Ultrasonic Flow Meter features two mid-radius, parallel-plane measurement paths that minimize measurement uncertainty caused by disturbed flow profiles. The meter is equipped with ultra-fast Rosemount 3810 Series Electronics that further enhance measurement stability and accuracy by minimizing sensitivity to changes in the flow profile, solids and/or entrained air. The intuitive operator interface within MeterLink™ Software helps operators identify costly flow disturbances and meter performance issues in real time to improve measurement and maintenance practices.

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Specifications

Line Sizes
DN100 to DN900 (4-in to 36-in)
Fluid Type
Liquid
Linearity
±0.3% of measured value over a 1.2 to 12.2 m/s (4 to 40 ft/s) range
Repeatability
±0.10% of measured value
Velocity
1.2 to 12.2 m/s (4 to 40 ft/s) with an extended range of 0.3 to 14.6 m/s (1 to 48 ft/s)
Operating Temperature Range
Transducers: -50°C to +100°C (-58°F to +212°F) or optional -50°C to +150°C (-58°F to +302°F)
Electronics: -40°C to +60°C (-40°F to +140°F)
Operating Pressure Range
0 to 155 Bar (0 to 2,250 psig)
Materials
Carbon steel and stainless steel
Calibration
Conducted in Emerson’s ISO 17025 certified flow calibration laboratory

Features

  • Reduce flow profile, solids and/or entrained gas change sensitivity with ultra-fast Rosemount 3810 Series Electronics
  • Monitor flow analysis and receive an intuitive view of meter health with integrated MeterLink™ Software
  • Use predictive diagnostics and process variable information to detect issues and avoid process upsets and downtime
  • Minimize maintenance time and costs with no moving parts to wear and tear
  • Facilitate maintenance with field-replaceable, non-wetted transducers
  • Streamline facility design and installation with wide flow range and bi-directional flow capabilities
  • Increase I/O with new Type 4 CPU Module with up to six frequency or digital outputs

Documents & Drawings