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  1. Detection - Measurement
  2. Flow, Pressure and Level Measurements
  3. Relative pressure transmitter
  4. ZHEJIANG LEFOO CONTROLS CO., LTD
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Relative pressure transmitter LFT2700
absolutethin-film0-5 V

Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 2
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 3
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 4
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 5
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 6
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 7
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 8
Relative pressure transmitter - LFT2700 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / thin-film / 0-5 V - image - 9
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Characteristics

Pressure type
relative, absolute
Technology
thin-film
Output
0-5 V, 0-10 V, ratiometric 0,5-4,5 V, 4-wire, 2-wire, RS-485, 3-wire, 4-20 mA
Electrical connection
4-pole, M12 connector
Mounting
threaded
Process connection
G 1/2, M20 x 1,5
Fluid
for liquids, for gas
Material
PTFE
Protection level
IP65, IP54
Applications
for water treatment, for the food industry, for the chemical industry, for the oil and gas industry
Other characteristics
CE, RoHS
Pressure range

Min.: -1 bar
(-14.5 psi)

Max.: 350 bar
(5,076.32 psi)

Precision

0.5 %, 1 %

Long-term stability

Min.: 0 %

Max.: 0.5 %

Process temperature

Min.: -20 °C
(-4 °F)

Max.: 85 °C
(185 °F)

Description

Product overview
The LFT2700 flat-film pressure transmitter features a 316L flat-film sensor designed to resist clogging and allow easy cleaning. It directly measures pressure of viscous media and offers strong corrosion and wear resistance. The transmitter integrates ASIC technology with digital compensation and is available with threaded process connections and multiple electrical output options for flexible installation.

Key features
  • 316L flat-film sensor: anti-clogging and easy to clean.
  • Direct measurement of viscous liquids.
  • ASIC-based signal processing with digital compensation.
  • Corrosion- and wear-resistant construction for industrial media.
  • Threaded process connection for straightforward installation; multiple exterior configurations and electrical outputs available.


Typical applications
  • Chemical coating and paint detection systems
  • Environmental monitoring and wastewater
  • Coal mining and paper industry
  • Food processing and polyurethane equipment
  • Oil detection and industrial fluid monitoring


Technical specifications
  • Model: LFT2700
  • Measurement range: from -100 kPa to 35 MPa (various low and high ranges such as 0 ~ 20 kPa available)
  • Overload pressure: 1.5 × rated pressure
  • Accuracy (25°C, incl. linearity, repeatability, hysteresis): ±0.5% F.S; ±1.0% F.S
  • Stability: <0.5% F.S per year
  • Operating temperature: -20 ~ 85 °C
  • Storage temperature: -40 ~ 100 °C
  • Measured media: gases or liquids compatible with SS304/SS316L; wetted seals in FKM (fluororubber) or NBR
  • Electrical configurations: 2-wire, 3-wire, 4-wire
  • Output signals: 4-20 mA; 0.5-4.5 V; 0-5 V; 0-10 V; RS485
  • Power supply: 10-36 VDC (for 4-20 mA and some voltage outputs); 4.75-5.25 VDC (for 0.5-4.5 V); 12-36 VDC (for 0-10 V); 10-30 VDC (for RS485), depending on configuration
  • Electrical connection: DIN43650A (large Hirschmann), M12 waterproof socket, or M12 aviation connector (3-core / 4-core)
  • Enclosure protection: IP65 or IP54 (depending on configuration)
  • Process connection: G1/2, M20×1.5
  • Pressure type: Gauge (G) or Absolute (A)
  • Certifications: RoHS, CE


Dimensions & documents
Dimension drawing and technical datasheet (PDF) are available for download on the product page to assist with mounting and specification checks.

Catalogs

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