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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 LFT2800
absolutesiliconMEMS

Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 2
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 3
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 4
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 5
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 6
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 7
Relative pressure transmitter - LFT2800 - ZHEJIANG LEFOO CONTROLS CO., LTD - absolute / silicon / MEMS - image - 8
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Characteristics

Pressure type
relative, absolute
Technology
silicon, MEMS
Output
4-20 mA, 0-10 V, 0-5 V, ratiometric 0,5-4,5 V, RS-485
Electrical connection
M12 connector, 4-pole
Supply voltage
24VDC, 12VDC, 240VDC
Process connection
G 1/2, G 1/4, NPT 1/4, M20 x 1,5, R 1/4, M14 x 1,5
Material
stainless steel
Protection level
explosion-proof, IP65, IP54
Other characteristics
CE, two-wire, RoHS, oil-filled, high-overpressure, digitally compensated
Pressure range

Min.: -1 bar
(-14.5 psi)

Max.: 600 bar
(8,702.26 psi)

Precision

0.25 %, 0.5 %, 1 %

Long-term stability

0.5 %

Process temperature

Min.: -20 °C
(-4 °F)

Max.: 85 °C
(185 °F)

Description

Product Overview
The LFT2800 pressure transmitter measures fluid pressure in test and control systems such as fire protection, water treatment and supply, air compressors, pneumatic devices and factory automation. It integrates an oil-filled diffusion silicon sensing element with MEMS and ASIC technology and applies digital compensation for reliable operation in varied industrial environments.

Features
  • Oil-filled diffusion silicon sensing element with high overload capacity.
  • Corrosion- and wear-resistant wetted materials compatible with common industrial media.
  • ASIC-based signal processing and digital compensation for improved linearity.
  • Multiple electrical interfaces and mechanical connection options for flexible installation.


Characteristics / Technical specifications
  • Measurement range: -100kPa…0 ~ 1kPa...60MPa (various specific ranges available)
  • Overload pressure: 1.5 × rated pressure
  • Accuracy options: ±1.0% F.S; ±0.5% F.S; ±0.25% F.S (depending on range)
  • Stability: <0.5% F.S per year
  • Operating temperature: -20 ~ 85 °C
  • Storage temperature: -40 ~ 100 °C
  • Measured medium: gases or liquids compatible with SS304/316L, fluororubber or nitrile rubber
  • Electrical wiring: 2-wire (current), 3-wire (voltage), 4-wire
  • Output signals: 4–20 mA, 0.5–4.5 V, 0–5 V, 0–10 V, RS485
  • Power supply: 8–36 VDC (4–20 mA); 4.75–5.25 VDC (0.5–4.5 V); 8–36 VDC (0–5 V); 12–36 VDC (0–10 V); 10–30 VDC (RS485)
  • Electrical connections: DIN43650A (Big Hirschmann), M12 waterproof outlet, GX12 aviation connector (3/4-pin), M12 4-pin aviation connector
  • Enclosure protection: IP54, IP65
  • Pressure connections: G1/4, NPT1/4, R1/4, G1/2, 7/16-20UNF, M20×1.5, M10×1, M14×1.5, etc.
  • Pressure type: Gauge (G) / Absolute (A)
  • Certifications: Explosion-proof type E, RoHS, CE (EU electrical safety)


Typical applications
  • Fire protection test systems
  • Water treatment and supply systems
  • Air compressors and pneumatic equipment
  • Factory automation and industrial test benches


Model and ordering options
  • Model: LFT2800
  • Available measurement ranges, accuracy classes and electrical/output configurations as listed in technical specifications
  • Custom electrical connectors and pressure fittings available on request

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.