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WIKA MH-4 Pressure Transducer
The WIKA MH-4 pressure transducer is engineered for the harsh operating conditions of construction machinery and mobile hydraulic equipment. Featuring an all-metal welded construction and integrated shock-resistant design, it delivers precise pressure signals reliably even under vibration, shock, and temperature fluctuations. It is the ideal pressure monitoring solution for hydraulic systems, braking systems, and heavy-duty equipment.
Description
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📌 Product Overview
The WIKA MH-4 pressure transducer is engineered for the harsh operating conditions of construction machinery and mobile hydraulic equipment. Featuring an all-metal welded construction and integrated shock-resistant design, it delivers precise pressure signals reliably even under vibration, shock, and temperature fluctuations. It is the ideal pressure monitoring solution for hydraulic systems, braking systems, and heavy-duty equipment.
Key Advantages
Shock & Vibration Resistance: The integrated mechanical structure withstands continuous vibration and sudden shocks, making it suitable for high-vibration scenarios like construction and agricultural machinery.
Wide Temperature Stability: Operates from -40°C to 125°C, maintaining measurement accuracy even in extreme temperature conditions.
EMC Compliance: Meets industry standards such as ISO 11452-2, providing effective resistance to electromagnetic interference for stable signal output.
📊 Technical Specifications
| Item | Specification |
| Model | MH-4 |
| Measuring Range | 0 ... 600 bar (custom ranges from 010bar to 01000bar available) |
| Output Signal | 4 ... 20 mA (2-wire) / 0 ... 10 V (3-wire) optional |
| Accuracy Class | ±0.5% FS (BFSL) |
| Operating Temperature Range | -40 ... +125 °C |
| Media Compatibility | Compatible with mineral oil, water-glycol, and other hydraulic fluids |
| Pressure Connection | G1/4", 1/4" NPT, M14x1.5, and other thread options |
🛠️ Typical Applications
Construction Machinery: Pressure monitoring in hydraulic systems of excavators and loaders
Aerial Work Platforms: Pressure detection in leg hydraulic systems of lift platforms and aerial work vehicles
Mining Equipment: Pressure monitoring in hydraulic systems of underground drills and roadheaders
Installation & Usage Tips
Ensure pressure connection threads are clean during installation to prevent debris from entering the transducer interface.
We recommend installing a pressure snubber upstream of the transducer to mitigate pressure spikes in hydraulic systems.
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