Series IEFB Insertion Thermal Energy Meter

Field Adjustable, BACnet/Modbus® Outputs

The Series IEFB is a field-adjustable insertion thermal energy meter that uses electromagnetic technology to accurately and reliably measure fluid velocity and energy consumption. The high accuracy IEFB is adjustable to fit pipe sizes from 4 to 10" (100 to 250 mm), while the standard accuracy IEFB fits pipe sizes 4 to 36" (100 to 900 mm). The IEFB incorporates a temperature meter and a calculator into a single unit. The LCD display provides clear readings of the meter’s values, including temperature and energy consumption, making it ideal for installation on chillers, boilers, and other heating and cooling applications. The high measuring accuracy and long lifetime keeps annual operating costs at a minimum. In addition, it offers several output options, including selectable BACnet MS/TP or Modbus® RTU communications protocol over 2-wire RS-485 and standard analog, frequency, and alarm outputs.

Product Applications

  • 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

Models & Ordering

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Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Build Your Custom Part. Use our Product Configurator

Model Description Usually Ships* Price Order
IEFB-LB-PGR10LCDCOM
Ships: Less Than 1 Week
Price: $3,782.00
Insertion Electromagnetic energy system with display, 4"-<10" (100-<250MM) pipe, 1% FS, BSPT process connections, PG 16 gland, BACnet/Modbus® communication output Less Than 1 Week* $3,782.00 Order
IEFB-LN-CND-R10-LCD
Ships: Less Than 1 Week
Price: $3,442.00
Insertion Electromagnetic energy system with display, 4"-<10" (100-<250MM) pipe, 1% FS, NPT process connections, conduit connection Less Than 1 Week* $3,442.00 Order
IEFB-LN-CNDR10LCDCOM
Ships: Same Day
Price: $3,782.00
Insertion Electromagnetic energy system with display, 4"-<10" (100-<250MM) pipe, 1% FS, NPT process connections, conduit connection, BACnet/Modbus® communication output Same Day* $3,782.00 Order
IEFB-SB-PGR10LCDCOM
Ships: Less Than 1 Week
Price: $3,894.00
Insertion Electromagnetic energy system with display, 4"-36" (100-900 MM) pipe, 1% FS, BSPT process connections, PG 16 gland, BACnet/Modbus® communication output Less Than 1 Week* $3,894.00 Order
IEFB-SN-CNDR10LCDCOM
Ships: Less Than 1 Week
Price: $3,894.00
Insertion Electromagnetic energy system with display, 4"-36" (100-900 MM) pipe, 1% FS, NPT process connections, conduit connection, BACnet/Modbus® communication output Less Than 1 Week* $3,894.00 Order

Can't find what you need? Build Your Custom Part. Use our Product Configurator

Specifications

Service:
Compatible clean or dirty non coating, conductive liquids.
Range:
0 to 20 ft/s (0 to 6 m/s). *For max flowrates >10 ft/s (3 m/s) order option -CC.
Wetted Materials:
Body shaft/fitting: 316 SS; Electrodes: 316 SS; Electrode cap: Polymer/polystyrene; O-ring: Silicone; Thermowells: 304 SS.
BTU Accuracy:
Per EN1434/ASTM E3137/CSA C900.1-13: High 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)**.
**Verified at standard temperature 73.4°F (23°C) refer to listed standards for detailed accuracy formulations.
Flow Sensor Accuracy:
High 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 Accuracy:
Class B ±(0.30 + 0.005*t)°C per EN60751.
Differential Temperature Accuracy:
Et = ±[0.5 +3*(Delta)(Theta)min/(Delta)(Theta)] % per EN1434 for differential temperature.
Calculator Accuracy:
Ec = ±[0.5 +(Delta)(Theta)min/(Delta)(Theta)] % per EN1434.
Temperature Compensation:
140 to 220°F (60 to 104.4°C) < 2% error over ±30°F (-1.1 °C) change, 40 to 70°F (4.4 to 21.1°C) < 2% error over ±10°F (-12.2°C) change.
Temperature Limits:
Ambient: -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 Connection:
Flowmeter: 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 Limit:
400 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 Requirements:
12-42 VDC, .25 A @ 24 VDC; 12-36 VAC.
Electrical Connection:
Removable 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.
Conductivity:
>20 microsiemens.
Enclosure Material:
Powder coated die cast aluminum.
Enclosure Ratings:
NEMA 6P (IP68) (Non display models); NEMA 4X (IP66) (-LCD option).
Agency Approvals:
BTL.

COMMUNICATIONS (-COM OPTION)
Type:
BACnet MS/TP or Modbus® RTU communication protocol (default disabled, display selectable).
Supported Baud Rates:
9600, 19200, 38400, 57600, 76800, or 115200 bps (display selectable).
Device Load:
1/8 unit load.

ADDITIONAL SPECIFICATIONS
Applicable Pipe Material:
Most popular plastic and metal pipes; i.e. Carbon steel, SS, copper, UPVC/PVDF, galvanized steel, mild steel, and brass.
Applicable Pipe Size::
4 to 36" (100 to 900 mm), model dependent. See model chart.
Diameter Length Requirements:
>10 upstream, >5 downstream.
Temperature Resistance:
Matched 4 wire platinum RTD’s.
Relative Humidity:
10 to 90% non-condensing.
Output Impedance:
4 to 20 mA: 536 Ω; 5V: 500 Ω 10V: 1.27k Ω.

Features

  • Save time and reduce installation costs with flow, temperature sensors and calculator delivered in one preprogrammed, complete package.
  • Maintain system energy efficiency with high performance accuracy that is maintained through changes in temperature, density or viscosity per universally accepted standard
  • Meet application requirements with field configurable setup displays (-LCD integral option or remote accessory A-IEF-DSP), which accommodate a variety of application configurations with one model through multiple display configurations i.e. pipe size, pipe material, liquid type, analog output, pulse/frequency output, alarm outputs, communication outputs, damping, and calibration factor
  • Quick and easy ordering and set up with Setup Wizard and installation tool that are simple to use and allow for precise installation
  • Save time with accessory setup kit A-IEF-KIT that ensures exact installation application depth with included thickness gage and measuring tape
  • Reduced costs, long product life, and minimal maintenance requirements with no moving parts to wear or break and electrodes that discourage fouling
  • Minimize installation costs with isolation valve accessory options to allow for installation in operational systems via hot-tap kit or easy removal without system downtime
  • Required documents included with NIST traceable pass/fail verification certificate included standard for Carbon Steel Schedule 40 pipes sized 4" (102 mm), 6" (150 mm), 8" (200 mm)

Accessories

Model Number Description Usually Ships* Price Order
Set up kit, includes: set up display, measuring tape, universal power adapter for high accuracy installation and UTG thickness gage. A-IEF-KIT Set up kit, includes: set up display, measuring tape, universal power adapter for high accuracy installation and UTG thickness gage. Same Day $1,108.00 Order
Setup display for field configuring non-display models. A-IEF-DSP Setup display for field configuring non-display models. Same Day $610.00 Order
1-1/4 A-IEF-VLV-BR 1-1/4" full port isolation valve brass kit. (Brass fittings and pipe not for use with NSF Certified models. Brass valves are non-RoHS compliant.) Same Day $294.00 Order
1-1/4 A-IEF-VLV-SS 1-1/4" full port isolation valve, 316SS kit. Same Day $586.00 Order
Plenum rated cable 100' (30 m). A-IEF-CBL-100 Plenum rated cable 100' (30 m). 1-2 Weeks $189.00 Order
Plenum rated cable 150' (45 m). A-IEF-CBL-150 Plenum rated cable 150' (45 m). 1-2 Weeks $278.00 Order
Plenum rated cable 50' (15.2 m). A-IEF-CBL-50 Plenum rated cable 50' (15.2 m). 1-2 Weeks $94.50 Order
Full functional remote display for use with Series IEF. A-IEF-FDSP-RM Full functional remote display for use with Series IEF. Same Day $832.00 Order
Indicating remote display for use with Series IEF. A-IEF-IDSP-RM Indicating remote display for use with Series IEF. 1-2 Weeks $555.00 Order
Installation guide/alignment kit, includes: alignment scale body, 2 rods and 2 thumbscrews. A-IEF-INGD Installation guide/alignment kit, includes: alignment scale body, 2 rods and 2 thumbscrews. 1-2 Weeks $112.00 Order
A-IEF-LCD LCD display to retrofit non-display models. Same Day $333.00 Order
Replacement blank lid, gasket and (4) screws. A-IEF-LID Replacement blank lid, gasket and (4) screws. 1-2 Weeks $67.00 Order
A-IEF-LKOUT Lock-out kit, includes: 4 specialty through hole screws for tamper evident locking of the display. 1-2 Weeks $33.50 Order
Measuring tape used for circumference of the pipe. A-IEF-MSTP Measuring tape used for circumference of the pipe. 1-2 Weeks $67.00 Order
A-IEF-TAG Meter tag, clear envelope tag for adding field configured information to unit. 1-2 Weeks $11.25 Order
Isolation valve kit, incl carbon steel 1 A-IEF-VLV-BR-BSPT Isolation valve kit, incl carbon steel 1" to 1-1/4" BSPT bushing, BSPT valve, BSPT threaded nipple with a BSPT threadolet, all brass. (Brass fittings and pipe not for use with NSF Certified models. Brass valves are non-RoHS compliant.) Same Day $294.00 Order
Isolation valve kit, includes 316SS 1 A-IEF-VLV-SS-BSPT Isolation valve kit, includes 316SS 1" to 1-1/4" BSPT bushing, 316SS BSPT valve, 316SS BSPT threaded nipple with a 316SS BSPT threadolet. Same Day $586.00 Order
Ultrasonic Thickness Gage UTG Ultrasonic Thickness Gage Same Day $332.00 Order
(2) 1 A-IEFB-VLV-BR-1 (2) 1" NPT full port isolation valve, brass for temperature sensor with 1" branch outlet and 1" nipple Same Day $195.00 Order
(2) 1 A-IEFB-VLV-BR-1-BSPT (2) 1" BSPT full port isolation valve, brass for temperature sensor with 1" branch outlet and 1" nipple Same Day $195.00 Order
(2) 1 A-IEFB-VLV-SS-1 (2) 1" NPT full port isolation valve, 316SS for temperature sensor with 1" branch outlet and 1" nipple Same Day $389.00 Order
(2) 1 A-IEFB-VLV-SS-1-BSPT (2) 1" BSPT full port isolation valve, 316SS for temperature sensor with 1" branch outlet and 1" nipple Same Day $389.00 Order
(2) 1/2 A-IEFB-THW-6 (2) 1/2" NPT, 6" thermowell for 8-14" pipe 1-2 Weeks $29.00 Order
(2) 1/2 A-IEFB-THW-4 (2) 1/2" NPT, 4" thermowell for 4-7" pipe Same Day $29.00 Order

Videos

Model Chart


     IEFB-XX-X-X-OPT   IEFB INSERTION ELECTROMAGNETIC ENERGY SYSTEM

        1ST SYMBOL (1ST X) ACCURACY
           H       HIGH ACCURACY 4",6",8",10" PIPE (1% OF READING)
           F       HIGH ACCURACY 4" PIPE (1% OF READING)  
           I       HIGH ACCURACY 6" PIPE (1% OF READING)
           E       HIGH ACCURACY 8" PIPE (1% OF READING)
           T       HIGH ACCURACY 10" PIPE (1% OF READING) 
           S       STANDARD ACCURACY 4" to 36" PIPE (1% FULL SCALE)
           L       4" to < 10" PIPE (1% FS)
           G       10" to 36" PIPE (1% FS)     
               
	2ND SYMBOL (2ND X) PROCESS CONNECTION
	   N       MALE NPT 
           B       MALE BSPT

	3RD SYMBOL (3RD X) HOUSING ELECTRICAL CONNECTION
           CND     1/2 IN FEMALE NPT CONDUIT CONNECTION W/O CABLE
           PG      PG GLAND W/O CABLE 
           10      PG GLAND W/ 10 FT CABLE
           LFMC    LIQUID TIGHT FLEX METAL CONDUIT FITTING
           NCH     FEMALE NPT CONDUIT HUB
	   	   	    
        4TH SYMBOL (4TH X) TEMPERATURE SENSORS
           T10     TEMP SENSOR ASSEMBLY W/10' CABLE
           T20     TEMP SENSOR ASSEMBLY W/20' CABLE
           T50     TEMP SENSOR ASSEMBLY W/50' CABLE
           R10     HOT TAP THERMOWELL TEMP SENSOR ASSEMBLY W/10' CABLE
           R20     HOT TAP THERMOWELL TEMP SENSOR ASSEMBLY W/20' CABLE
           R50 	   HOT TAP THERMOWELL TEMP SENSOR ASSEMBLY W/50' CABLE  

        OPTIONS (OPT)
          -CC	  CUSTOM CONFIGURATION *ADDITIONAL INPUT REQUIRED
          -COM    BACNET/MODBUS COMMUNICATION
          -FC     FACTORY CALIBRATION CERTIFICATE         
          -LCD    LCD DISPLAY
          -NIST   NIST CALIBRATION CERTIFICATE

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