Insertion thermal energy meter: Series IEFB DWYER

Field Adjustable, BACnet/Modbus® Outputs

Application

  • Monitoring chiller cooling output performance
  • Industrial boiler heating performance
  • Energy efficiency monitoring
  • Optimization of heat energy performance
  • Commercial and residential heat energy consumption and metering
  • District heating and cooling monitoring
  • Energy cost allocation monitoring
 
IEFB Catalog IEFB IOM (+84) 903 999 357

Field-adjustable insertion thermal energy meter that uses electromagnetic technology to accurately and reliably measure fluid velocity and energy consumption

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Specification

ServiceCompatible clean or dirty non coating, conductive liquids.
Range0 to 20 ft/s (0 to 6 m/s).*
Wetted MaterialsBody shaft/fitting: 316 SS; Electrodes: 316 SS; Electrode cap: Polymer/polystyrene; O-ring: Silicone; Thermowells: 304 SS
AccuracyHigh Accuracy Units: Class 2 for 2 to 20 ft/s (0.6 to 6 m/s)**; Standard Accuracy Units: Class 3 for 6.5 to 20 ft/s (2 to 6 m/s)**
Flow Sensor AccuracyHigh Accuracy Units: ±0.5% of reading at calibrated velocity, ±1% of reading from 2 to 20 ft/s (0.6 to 6 m/s) ±0.02 ft/s (±0.006 m/s) at < 2 ft/s (0.6 m/s); Standard Accuracy Units: ±1% FS
Temperature AccuracyAmbient: -20 to 160°F (-29 to 71°C)**; LCD -4 to 158°F (-20 to 70°C); Process: 15 to 250°F (-9 to 121°C); Storage: -40 to 185°F (-40 to 85°C).
Process ConnectionFlowmeter: 1˝ NPT or BSPT with accessory full port ball valve options; Thermowell: (2) 1/2˝ NPT or BSPT thermowell with 1˝ full port ball valve options
Pressure limit400 psi (27.6 bar) @ 100°F (37.8°C)
Pressure Drop< 0.1 psi at 12 ft/s in 4˝ (<0.01 bar at 3.7 m/s in 100 mm) and larger pipe.
Outputs(1) Analog: 4-20 mA, 0-5 V, 0-10 V or 2-10 V (display selectable); (1) Pulse/Frequency: 0-15 V peak pulse, 0 to 500 Hz or scalable pulse output (display selectable)
(2) Alarm: Empty pipe detection or minimum/maximum velocity, (display selectable) & Reverse flow output indication
Power Requirements12-42 VDC, .25 A @ 24 VDC; 12-36 VAC
Electrical ConnectionRemovable terminal blocks, (2) model selectable 1/2˝ female NPT conduit connection, (2) PG 16 gland or (2) PG 16 gland with 10 ft (3 m) 9 conductor 22 AWG plenum rated cables, accessory cable lengths up to 200 ft (61 m) optional.
Display (-LCD option)2 x 2˝ (50 x 50 mm) graphic LCD with backlight
Enclosure MaterialPowder coated die cast aluminum
Enclosure RatingsNEMA 6P (IP68) (Non display models); NEMA 4X (IP66) (-LCD option)
Agency ApprovalsBTL
     

Feature

  • Flexible, field configurable setup displays (-LCD integral option or remote accessory A-IEF-DSP) accommodate a variety of application configurations. Application information is display selectable and includes pipe size, pipe material, liquid type, analog output, pulse/frequency output, alarm outputs, communication, outputs, damping, and calibration factor
  • High performance accuracy is maintained through changes in temperature, density and/or viscosity
  • The Setup Wizard and installation tool are simple to use, providing quick and precise installation
  • Accessory setup kit A-IEF-KIT comes with a thickness gage and measuring tape to ensure exact installation depth
  • The meter has no moving parts and electrodes that discourage fouling, which gives the meter a long lifecycle and minimizes the need for maintenance
  • Hot-tap isolation valve accessories allow for easy installation and removal in operational systems without system downtime
     

Published by Lam

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