Ceramic pressure transmitter LFT221

voltage outputratiometric 0,5-4,5 V3-wire

Overview
The LFT221 water pressure transmitter features a plastic housing, a high-precision ceramic pressure core and a proportional voltage output. It is designed for pressure measurement and monitoring in water treatment and related fluid systems, offering a compact footprint and stable output.

Applications

• Water treatment plants and filtration systems
• Pumping stations and pressure monitoring in supply networks
• Industrial processes using non-corrosive fluids compatible with PA66, ceramics and EPDM

Key features

• High-precision ceramic pressure core for stable measurement
• Proportional voltage output 0.5–4.5V (3-wire) for easy integration
• Compact plastic enclosure with IP65 protection and quick 1/4" PE pressure connection

Technical specifications

• Model: LFT221
• Measurement range: 0~1 MPa
• Overload pressure: 2× rated pressure
• Burst pressure: 3× rated pressure
• Accuracy: ±2.0% F.S
• Output mode: Voltage type (3‑wire)
• Output signal: 0.5~4.5V (proportional)
• Power supply: 4.75~5.25VDC
• Working temperature: 0℃~60℃
• Storage temperature: -20℃~85℃
• Compatible media: Fluids not corrosive to PA66, ceramics, EPDM
• Load resistance: ≥14.5 kΩ
• Electrical connections: 3‑core terminal, 2.54mm pitch
• Enclosure protection: IP65
• Pressure connection: 1/4" PE pipe quick connector

Installation & connections

• Quick 1/4" PE fitting for fast installation; ensure proper sealing for pressurized lines
• Use recommended load resistance ≥14.5 kΩ and supply 4.75–5.25VDC
• Protect electrical terminals from prolonged water exposure despite IP65 enclosure