Product name: FLOWSIC600 DRU-S ultrasonic flowmeter

Measuring principle: Ultrasonic transit time difference measurement

Application: Simple and robust upstream gas flow measurement for gas production

Measured variables:

Volumetric flow a. c.

Volume a. c.

Gas velocity

Sound velocity

Measuring medium: Natural gas, associated gas, raw natural gas

Nominal pipe size: 2″, 3″, 4″

Measuring range / turndown: Greater than 1:100

Repeatability: ±0.2 % of the measured value

Between Qt and Qmax depending on installation requirements

Accuracy: Error limits Qt … Qmax ±2 %

Medium temperature range: –40 °C to +100 °C

Operating pressure range:

0 bar(g) to 16 bar(g) / 0 psi(g) to 230 psi(g) for ANSI CL150

0 bar(g) to 100 bar(g) / 0 psi(g) to 1450 psi(g) for ANSI CL600

Hazardous area approvals:

IECEx: Gb/Ga Ex db eb ib [ia Ga] IIA T4

ATEX: II 1/2 (1) G Ex ia/db eb ia [ia Ga] IIA T4 … T1 Ga/Gb

NEC/CEC (US/CA): Class I, Division 1, Group D T4; Class I, Division 2, Group D T4

Digital outputs:

2 DO and 1 FO

30 V, 10 mA

Passive, galvanically isolated, open collector, fmax = 6 kHz (scalable)

Digital communication:

RTU RS-485 (2x, for configuration, data output and diagnostics)

ASCII RS-485 (2x, for configuration, data output and diagnostics)

Device properties:

Designed for wet gas applications

No pressure drop

High turndown ratio ≥ 100:1

Operates from atmospheric pressure

New diagnostic feature: Liquid indication

Plug & play connection to Monitoring Box for remote diagnostics

Benefits:

Highly reliable continuous gas measurement even in wet and dirty process conditions

Low initial investment with accurate measurement without expensive flow calibration

Elimination of scheduled maintenance with real-time remote diagnostics

Advanced process monitoring with unique liquid detection

Long life with wet-gas-resistant titanium ultrasonic sensors

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