JUMO MAERA S28 Level Probe is a high-precision hydrostatic level measuring probe designed for continuous level monitoring in liquids.

This model offers reliable performance in harsh environments such as water management, wells, and industrial applications.

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⚙️ Key Features

• Measuring Range: 0 – 10 Bar (0–100 m water column)
• Output Signal: 4–20 mA (2-wire system)
• Integrated Temperature Sensor: Pt100
• Cable: 100 meters PE-LD, shielded, UV-resistant
• Material: Stainless Steel (CrNi)
• Protection: Improved moisture & vibration resistance
• Built-in overvoltage protection (lightning protection)
• Reverse polarity protection
• High accuracy: ±0.3%
• Long-term stable piezoresistive sensor

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📌 Applications

• Water & wastewater systems
• Hydroelectric power plants
• Wells and groundwater monitoring
• Tanks and liquid storage systems

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🧠 Working Principle

The probe measures hydrostatic pressure created by the liquid column above it.
Pressure increases with depth and is converted into a linear 4–20 mA signal.

Integrated pressure compensation ensures accurate readings regardless of atmospheric pressure changes.

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📦 Included

• 1x JUMO MAERA S28 Level Probe
• 100m cable
• Integrated Pt100 sensor

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🏷️ Product Codes

• Model: 404392/000
• Full Code: 404392/000-459-405-658-20-15-100/007.631

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🚚 Shipping & Customs 

• ✅ FREE EXPRESS SHIPPING (UPS / FedEx)
• 🌍 Ships worldwide
• 🛃 NO CUSTOMS WORRY – we handle customs process

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💡 Why Choose This Product?

• German engineering quality
• Industrial-grade reliability
• Suitable for long-term continuous operation
• Dual measurement (level + temperature)