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Low Differential Pressure Transducer LFM108

This product is suitable for heating, ventilation and air conditioning (HVAC), energy management systems, VAV and fan control, environmental pollution control, static pipelines and clean room pressure, smoke hood control, oven pressurization and furnace ventilation control, etc. The LFM108 pressure sensor detects differential pressure or gauge pressure and converts this differential pressure into a  proportional electrical signal output. LFM108 has an analog output of 0~5/10Vdc or 4~20mA for building energy management systems. This transducer can measure the precise pressure and flow required for building pressurization and airflow control.LFM108 adopts an imported pressure core, which has the characteristics of sensitive pressure response, stable long-term output, and superior temperature performance.


Features


* 1% exactness at low pressure measurements

* Optimal for HVAC application

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Specification of of Low Differential Pressure Transducer LFM108

Pressure Range0~±100Pa, 0~±1,000Pa, 0~±10,000Pa
Overload Pressure5Kpa (±100Pa), 10Kpa(±1000Pa),80Kpa(±10KPa)
Accuracy±1%F.S
StabilityTypical value:0.1%F.S Maximum value:0.2%F.S
Storage temperature-20℃~70℃
Protection levelIP54
Electrical connectionTwo-wiredThree-wiredFour-wiredFive-wired
Output signal4-20mA0~5V;0~10VRS4850~10VDC;RS485
Power supply10~30VDC16~30VDC12~30VDC16~30VDC


External Load

0~5/10VDC\≥50KΩ          4-20mA\≤250Ω

Power   Consumption

≤1.5W

Pressure   Interface

Metal barbed   interface, Ø 6.2 mm

Shell Material

UL94-V0/ABS   industrial plastics

Communication

RS-485 standard   interface, Modbus RTU protocol

Certification

ROHS   certification, CE certification

Electromagnetic
  Compatibility

Electromagnetic   radiation:EN50081-1/-2;Electromagnetic sensitivity:EN50082-2

Lightning   Protection

Air conduction   withstand voltage 8000V, shell and cable conduction withstand voltage 4000V   (can be customized according to requirements)

Response Time

0.5s/1.0s/2s/4s

Cable Connector

Cable maximum   diameter Ø8mm

Weight

140g


Selection instructions

Code and description

 

Remark

LFM108

 Low Differential Pressure Transducer

Model


101D

101D=0±100Pa

101G

101G=0-100Pa

Measuring range

G means one-way

D means two-way

 


102D

102D=0±1000Pa

102G

102G=0-1000Pa


251D

251D=0±250Pa

103G

103G=0-10000Pa


252D

252D=0±2500Pa

251G

251G=0-250Pa


051D

051DD=0±50Pa

252G

252G=0-2500Pa


501D

501D=0±500Pa

501G

501G=0-500Pa


502D

502D=0±5000Pa

502G

502G=0-5000Pa


103D

103D=0±10000Pa


AL

4~20mA

P = psi

Output type


VL

0~10V


VZ

0~5V


MOD

RS485


MVL

RS4850~10VDC


MVZ

RS4850~5VDC


MAL

RS4854~20mA

 

LFM108          

102G

 VZ

Selection example : LF108-102G-VZ

 

 


 

 

 


Description of Low Differential Pressure Transducer LFM108

  • Adopt micro-pressure core, sensitive pressure response

  • Digital pressure acquisition and temperature compensation

  • Strong stability and long service life

  • Measure the precise pressure and flow required for building pressurization and air flow control

Application of Low Pressure Differential Transducer

HVAC Systems

Sterilization and purification system

Instrument Workshop and Textile factory

Power Engineering Project and Energy management systems,

Automatic controller

Construction and Decoration industries

Green facilities

Hotel kitchen ventilation

Laboratory ventilation and clean system

Animal husbandry 

Air processing system

Air filtration

Clean purification project

Blower

Building automation integration

Building Control System

Dust removal in lithium battery workshop

3D printing equipment

Environmental Technology

Environmental pollution control

Fresh air system

Fresh air conditioner

Gas purification

Gas oven food machinery

Oven pressurization and furnace ventilation control,

Metal parts processing

PLC

Painting equipment

Space purification system

Smoke hood control, 

Static pipelines and clean room pressure

VAV and fan control,

Waste gas treatment

Electronic components, home appliances construction

Interconnected network, intelligent control

The catalytic combustion purification system

Environmental climate box testing equipment

Flat thermal conductivity tester

Coffin drop hammer impact testing machine

Textile equipment

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