Brooks® Models MT 3809 and 3819 Metal Tube Variable Area Flowmeters - Brooks Instrument - #1

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1 Models MT 3809 & 3819 Data Sheet DS-VA-MT3809-3819-eng September, 2008 Brooks® Models MT 3809 and 3819 Metal Tube Variable Area Flowmeters with Optional Transmitters and Alarms Model MT 3809 • Broad range of flow capacities • 2% Full scale accuracy • Versatile construction for all gas, liquid, steam applications • Operable under high temperatures and pressures • Flanged or female NPT connections • Optional 4-20mA and HART® programmable microprocessor transmitter with or without alarms and pulse output for totalization • Electronics designed with either intrinsically safe or explosion proof construction to meet UL (US & Canada) ATEX certifications and CE requirements DESCRIPTION The Brooks® Models MT 3809 and MT 3819 Variable Area Flowmeters are rugged, all metal flowmeters offering 2% full scale accuracy. The Model MT 3809 is constructed with stainless steel components for measuring a variety of gas, liquid and steam applications while the Model MT 3819 utilizes a ETFE (Tefzel™) lining for aggressive liquid and gas applications. Flow rate indication is provided by means of magnetic coupling where a magnet, encapsulated in the float, is coupled to a rotatable magnet located in the rear of the indicator, thus turning the dial indicator mounted on the meter. Optional accessories available include 4-20 mA output with HART microprocessor transmitter with or without configurable alarms and pulse output for totalization. Also available are front adjustable inductive alarms, high temperature or stainless steel indicator housings, valves, flow controllers and material certifications. SPECIFICATIONS - METER Capacities, Pressure Drop and Viscosity Immunity Ceiling Refer to Tables 1A and 1B Accuracy Standard Flow Accuracy: ± 2% Full Scale Optional Flow Accuracy: ± 1% Full Scale Repeatability 0.25% Full Scale Pressure Ratings Refer to Table 2 for Model MT 3809 maximum non-shock pressure. Model MT 3819 pressure rating is dependant on flange rating. Pressure Equipment Directive (PED) 97/23/EC Flow meter complies under Sound Engineering Practices (SEP) or Categories I, II or III