Electromagnetic pressure transmitter LFT2020

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Product description
The LFT2020 sanitary flat membrane pressure transmitter uses a high-performance oil-filled diffusion silicon sensing core and a dedicated integrated circuit to convert the sensor millivolt signal into standard voltage, current or RS485 outputs. The process connection is sealed with a sanitary chuck-type diaphragm, designed for frequent cleaning and hygienic processes in food, dairy, chemical and pharmaceutical applications.

Features

• Available in high-temperature and standard-temperature versions.
• ASIC digital compensation for improved measurement accuracy.
• Corrosion- and wear-resistant wetted materials suitable for sanitary environments.
• High electromagnetic immunity and stable long-term performance.
• 50.5 mm chuck (clamp) connection for easy installation and sanitary cleaning.
• Wetted parts in 316L stainless steel; compatible sealing materials selected for process media.

Specification (summary)
Measurement range: -100 kPa ... 0 ~ 10 kPa ... 7 MPa
Overload pressure: 1.5 × rated pressure
Accuracy (measured at 25℃): ±0.5% F.S.
Stability: <0.5% F.S./year
Operating temperature: -20 ~ 85℃ (standard)
Medium temperature: -40 ~ 100℃ (standard) or -40 ~ 150℃ (with heat sink)
Measure media: media compatible with 316L stainless steel and selected elastomers

Electrical properties
Wiring/configurations: 2-wire / 3-wire / 4-wire (depending on output)
Output signals: 4~20 mA / 0.5~4.5 V / 0~10 V / RS485
Power supply: 10~36 VDC (4–20 mA) / 4.75~5.25 VDC (0.5–4.5 V) / 12~36 VDC (0–10 V) / 10~30 VDC (RS485)
Electrical connections: DIN43650A (Big Hirschmann), M12 waterproof outlet, M12 aviation connector (4-core), GX12 aviation connector (3/4-core), direct cable outlet

Explosion-proof digital display version (summary)
Wiring/configurations: 2-wire / 3-wire / 4-wire
Output signals: 4~20 mA / 0~10 V / RS485
Power supply: 10~30 VDC / 14~36 VDC / 10~36 VDC (depending on variant)
Electrical connection: direct cable outlet
Enclosure protection: IP65
Pressure connection: 50.5 mm chuck
Pressure type: Gauge (G) / Absolute (A)
Certification: CE (EU electrical safety standard)

Notes
① Accuracy measured at 25℃ and includes linearity, repeatability and hysteresis.
② Without heat sink: -40 ~ 100℃; with heat sink: -40 ~ 150℃.
③ Oil-filled silicon core with wetted parts in 316L stainless steel.

Characteristics / Technical specifications

• Model: LFT2020
• Brand: LEFOO
• Measurement range: -100 kPa ... 7 MPa (various subranges)
• Accuracy: ±0.5% F.S.
• Long-term stability: <0.5% F.S./year
• Operating temperature: -20 ~ 85℃ (standard)
• Medium temperature: -40 ~ 100℃ (standard) or -40 ~ 150℃ (with heat sink)
• Wetted material: 316L stainless steel; selected rubber seals
• Pressure connection: 50.5 mm chuck (sanitary clamp)
• Output options: 4–20 mA, 0.5–4.5 V, 0–10 V, RS485
• Power supply options: ranges covering 4.75~36 VDC depending on output
• Electrical connections: DIN43650A, M12, M12 aviation, GX12 aviation or direct cable outlet
• Enclosure protection (explosion-proof display type): IP65
• Pressure form: Gauge or Absolute
• Certification: CE (EU electrical safety standard)