LMag-i1 Electromagnetic insertion flow meter

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Electromagnetic insertion flow meter

The LMag-i1 flow meter incorporates the latest digital signal processing (DSP) to achieve the performance of an in-line magnetic flow meter with the flexibility and easy installation of an insertion meter.

Exceptional performance and value

Cost-effective insertion-style design provides the accuracy and reliability found in magflow meters.

Multiple outputs

Three programmable pulse outputs and one analogue output are provided with each meter.

User-friendly backlit display & user interface

‘Smart Button’ technology in the easy to read, backlit display simplifies page navigation and programming, eliminating the need for configuration tools.

Simple installation and commissioning

Factory programmed and ready for use upon delivery. All process data and programming functions are accessible via front panel display and keyboard.

Ideal for HVAC applications

Interfaces directly with your Building Management System to handle the demanding flow measurement requirements in modern HVAC management applications. Hand insertable up to 27 bar and hot tappable so system shut down is not required.
  • DESCRIPTION
  • Design Details
  • Specifications
  • Downloads

LMag-i1 Electromagnetic insertion flow meter

The LMag-i1 features a single monolithic coil designed to create a uniform magnetic field across the entire pipe, essential for accurate flow measurement in installations with less than ideal flow profiles.

  • ±1% of reading - from 0.3 to 6 m/s
  • Chilled water
  • Hot water
  • Domestic water
  • Condenser water
  • HVAC hydronic applications
  • Clean process flow applications with conductivities >25 μS/cm

LMag-i1 meter design details

Operating rangeInstallation requirements
Model NumberNominal pipe size (inch)Flow rate range (l/min)
equivalent to
0.3 to 6 m/s
Flow rate range (m3/h)
equivalent to
0.3 to 6 m/s
Overhead clearance (mm)
*see note 1 below
LMag-i1-3BF-06634 - 68142.0 - 4091000
LMag-i1-3BF-08859-118103.5 - 7091100
LMag-i1-3BF-101093 - 186245.6 - 11171200
LMag-i1-3BF-1212134 - 267258 - 16041300

Note 1. Overhead Clearance Dimension does NOT include transmitter enclosure. Transmitter mounts to flow meter after installation.

LMag-i1 Transmitter
Accuracy± 1.0% of reading from 0.3 to 6 m/s
± 0.5% of reading at the calibrated velocity
± 3 mm/s at flow rates less than 300 mm/s
Input power24 VAC40 VA @ 20 to 28 VAC
24 VDC50W @ 24 VDC ± 10%
I/O SignalsOne (1) isolated AO, 4-20 mA or 0-10 VDC
One (1) frequency
One (1) pulse
Electronics enclosureCast aluminium IP66 enclosure with display, integral mount
Display:73mm STN monochrome screen with back light, 128x64 dot matrix
Ambient conditions:-30ºC to 120ºC
ProgrammingMenu driven via four (4) programming keys
Electrical connectionsInput power:Pluggable terminal block, for use with 0.5 to 1 mm wire
I/O:Pluggable terminal block, for use with 0.4 to 0.8 mm wire
LMag-i1 Fixed insertion flow sensor 
PerformanceSensing method:Single monolithic coil extending across entire pipe diameter 
Operation:Pulsed DC coil with enhanced DSP 
Operating conditionsFluid temperature range:-30ºC to 120ºC 
Fluid pressure range:0 to 27 bar 
Minimum conductivity:25 μS/cm 
Pressure drop:Less than 35 mbar in a 6” line at 3.6m/s 
Construction materialsFlow tube:Acetal POM/ Polysulphone 
Stem assembly/electrodes:316/316L SS 
Seals:EPDM 
Hot tap adaptor:316/316L SS 
Process connection1 inch NPT  
ApprovalsNSF/ANSI 61
NSF/ANSI 372
  
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