Product Description
Trafag 9B4.4277
The Trafag 9B4.4277 is a high-performance CANopen pressure transmitter designed for demanding mobile hydraulic applications. Built with Trafag’s proprietary thin-film-on-steel sensor technology, it delivers exceptional long-term stability, high accuracy, and outstanding resistance to overpressure and harsh media. Featuring the standardized CANopen protocol (DS-301, DSP-404), it integrates seamlessly into modern control networks, offering flexible configuration and diagnostics. Its compact, rugged construction provides excellent resilience against shock, vibration, and extreme temperatures, making it a dependable choice for critical pressure measurement in construction machinery, agricultural vehicles, and other mobile systems.
Technical Specifications:
- Measuring Principle: Thin-film-on-steel
- Output Signal / Interface: CANopen (CiA DS-301, DSP-404)
- Pressure Range: 0 … 400 bar
- Accuracy @ 25°C: ≤ ±0.3% FS typ.
- Operating Temperature (Ambient): -40°C to +85°C
- Media Temperature: -40°C to +125°C
- Supply Voltage: 10 … 32 VDC
- Electrical Connection: M12x1 (4-pin)
- Pressure Connection: G1/4″ male
- Protection Class: IP67






Trafag 9B4.4277
Model:Trafag 9B4.4277




