Page 1
Series IEFB
Insertion Thermal Energy Meter
-LCD option
IEFB-X-X-TXX
IEFB-X-X-TXX
Shown with A-IEFB-VLV-BR
accessory valve
Benets/Features
•
temperature sensors and calculator delivered in one
•
performance accuracy that is maintained through
universally accepted standard
•
setup displays (-LCD integral option or remote
•
and installation tool that are simple to use and allow for
precise installation
•
exact installation application depth with included
•
maintenance requirements with no moving parts to wear
•
options to allow for installation in operational systems
•
A-IEFB-THW-XX
Hot-tap thermowells for model
IEFB-X-X-RXX (2), shown with
A-IEFB-VLV-BR-1
accessory valve
Description
meter that uses electromagnetic technology to accurately
incorporates a temperature meter and a calculator into
Applications
• Monitoring chiller cooling output performance
•
•
•
• Commercial and residential heat energy consumption
and metering
• District heating and cooling monitoring
• Energy cost allocation monitoring
Page 2
Specications
Service
Range
Wetted Materials
Compatible clean or dirty non coating, conductive liquids.
Body shaft/tting: 316 SS; Electrodes: 316 SS; Electrode cap: Polymer/polystyrene; O-ring: Silicone.
Thermowells: 316 SS.
BTU Accuracy per
EN1434/ASTM E3137/
High accuracy units: Class 2 for 0.6 m/s to 6 m/s (2 ft/s to 20 ft/s)**; Standard accuracy units: Class 3
for 2 m/s to 6 m/s (6.5 ft/s to 20 ft/s)**.
CSA C900.1-13
Flow Sensor
Accuracy
Temperature Accuracy
Differential
High accuracy units: ±1 % of reading from 0.6 m/s to 6 m/s
(2 ft/s to 20 ft/s) ±0.006 m/s (±0.02 ft/s) at < 0.6 m/s (2 ft/s); Standard accuracy units: ±1 % FS.
Class B ±(0.30 + 0.005*t)°C per EN60751.
Et = ±(0.5 +3*
ΔΘmin/ΔΘ) % per EN1434.
Temperature Accuracy
Calculator Accuracy
RTD Accuracy
Ec = ±(0.5 +
Accuracy class: Class B ±(0.30 + 0.005*t)°C per EN60751 Accuracy: Et = ±(0.5 +3*
ΔΘmin/ΔΘ) % per EN1434.
EN1434.
Temperature
Compensation
Temperature Limits
60 °C to 104.4 °C (140 °F to 220 °F) < 2 % error over ±30 °F (-1.1 °C) change, 4.4 °C to 21.1 °C (40 °F to
70 °F) < 2 % error over ±10 °F (-12.2 °C) change.
Ambient: -29 °C to 71 °C (-20 °F to 160 °F);** Process: 0 °C to 121 °C (32 °F to 250 °F); Storage: -40 °C
to 85 °C (-40 °F to 185 °F).
Process Connection
Flowmeter: 1 in NPT or BSPT with accessory full port ball valve options; Thermowell: (2) in NPT or
BSPT thermowell with full port ball valve option.
Pressure Limit
Pressure Drop
Outputs
27.6 bar (400 psi) @ 37.8 °C (100 °F).
<0.01 bar at 3.7 m/s in 100 mm (< 0.1 psi at 12 ft/s in 4 in) and larger pipe.
(1) Analog: 4 mA to 20 mA, 0 V to 5 V, 0 V to 10 V or 2 V to 10 V (display selectable); (1) Pulse/
Frequency: 0 V to 15 V peak pulse, 0 Hz to 500 Hz or scalable pulse output (display selectable); (2)
Alarm: Empty pipe detection or minimum/maximum velocity, (display selectable) and reverse ow
output indication.
Power Requirements
Electrical Connection
12 Vdc to 42 Vdc, 0.25 A @ 24 Vdc; 12 Vac to 36 Vac.
Removable terminal blocks, (2) model selectable in female NPT conduit connection, (2) PG 16
gland or (2) PG 16 gland with 3 m (10 ft) 9 conductor 22 AWG plenum rated cables, accessory cable
lengths up to 61 m (200 ft) optional.
Display (-LCD option)
Conductivity
Enclosure Material
Enclosure Ratings
Compliance
*For max owrates >10 ft/s (3 m/s) order option -CC.
**Veried at standard temperature 23 °C (73.4 °F) refer to listed standards for detailed accuracy formulations.
50 mm x 50 mm (2 in x 2 in) graphic LCD with backlight.
>20 microsiemens.
Powder coated die cast aluminum.
NEMA 6P (IP68) (Non display models); NEMA 4X (IP66) (-LCD option).
BTL.
ΔΘmin/ΔΘ) % per
Communications (-COM Option)
Type
Support Baud
Rates
Device Load
Additional Specications
Applicable Pipe
Material
Applicable Pipe
Diameter Length
Requirements
Temperature
Resistance
Size
Page 3
]
TD2 [BLUE]
533.6 mm
[21-1/64 in]
559.0 mm
[22-1/64 in]
A
B
24.1 mm
[61/64 in]
148.0 mm
[5-53/64 in]
121.9 mm
[4-51/64 in]
148.0 mm
[5-53/64 in]
212.2 mm
[8-23/64 in]
]
Additional Specications (continued)
Relative Humidity
Output Impedance
ΩΩΩ
Dimensions Wiring Diagram
350.0 mm
[13-25/32 in
322.2 mm
[12-11/16 in]
A-IEFB-THW-XX (2) IEFB-X-X-RXX (2)
RED [1+]
RED [2+]
WHT [3-]
WHT [4-]
RED [5+]
RED [6+]
WHT [7-]
WHT [8-]
RTD1 [RED
R
THERMOWELL MODEL CHART
Model A B
A-IEFB-THW-4
A-IEFB-THW-6
Page 4
How to Order
®
bold
N-HIEFB -CND -R10 -LCD
Series
IEFB: Insertion thermal energy meter
Accuracy
-L:
-G:
FS
-S:
-F:
-I:
-E:
-T:
-H:
reading
Process Connection
N:
B:
Electrical Housing Connector
-CND:
-PG:
-10:
Note:
Accessories
Options*
-CC:
-COM:
protocol
-FC:
-LCD: Integral LCD
-NIST:
communication
Temperature Sensors
-T10:
-T20:
-T50:
-R10:
-R20:
-R50:
*
Model Description
A-IEF-KIT
A-IEF-DSP
A-IEF-VLV-BR
A-IEF-VLV-SS
†
†
Setup display
Thermowells
A-IEFB-THW-4
A-IEFB-THW-6
A-IEFB-THW-4-BSPT
A-IEFB-THW-6-BSPT
Hot-Tap Valves
A-IEFB-VLV-BR-1
A-IEFB-VLV-SS-1
†
Improving the world, one measurement at a time.
†
†
TM
UNIVERSAL
FLOW MONITORS
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