Differential Pressure Transmitter MDM4901FL Series

Overview

The MDM4901FL Series Differential Pressure Transmitters are engineered with precision for reliable oxygen pressure measurement. Tailored specifically for the medical and pharmaceutical industries, these transmitters are indispensable in the monitoring and control of gas pressures in medical oxygen production and storage environments. With a robust design featuring enhanced safety measures and high precision, the MDM4901FL is also ideally suited for critical applications in the aerospace, firefighting, and submarine sectors.

Features and Protections

Protection Features:

• Reversed-polarity protection
• Transient overcurrent and overvoltage protection
• EMI protection conforming to industry standards

Certifications:

• CE, RoHS, CCS approved for ship-use type

Materials:

• Wetted Parts:
  • Isolated Diaphragm: SS 316L
  • Pressure Port: SS 304/SS 316L
• Non-wetted Parts:
  • Housing: SS 304/SS 316L
  • Cable: PE/PUR/PVC

Technical Specifications

Pressure Type: Differential pressureRange: 0 mbar ~ 350 mbar up to 35 barOverpressure Limit: ≤ 2 times FS; negative pressure is not allowedMaximum Static Pressure: ≤200 barAccuracy: ±0.5% FS; static pressure effect: ±0.05% FS/1 barLong-term Stability:

• ≤2 bar: ±0.5% FS/year
• 2 bar: ±0.2% FS/year

Vibration and Shock Resistance:

• Vibration: 10g, 30 Hz to 2000 Hz
• Shock: 100g, 11 ms

Temperature Ranges and Drift

Application Temperature:

• -30℃ ~ 80℃ (B1 type, B4 type)
• -20℃ ~ 70℃ (B2 type, cable material: PE, PVC)
• -20℃ ~ 80℃ (B2 type, cable material: PUR)

Storage Temperature:

• -40℃ ~ 120℃
• -20℃ ~ 85℃ (B2 type)

Thermal Drift:

• Zero Thermal Drift: ±0.03% FS/℃ (≤ 1 bar); ±0.02% FS/℃ (> 1 bar)
• Span Thermal Drift: ±0.03% FS/℃ (≤ 1 bar); ±0.02% FS/℃ (> 1 bar)

Electrical Connections and Output Signals

Output Signals:

• 4mA~20mA DC
• 0mA~10mA DC
• 0mA~20mA DC
• 0V~5V DC
• 1V~5V DC
• 0V~10V DC

Power Supply: 15V to 28V DCOutput Formats: 2-wire and 3-wire configurationsLoad Resistance: ≤(U-15)/0.02 Ω for 2-wire configuration Connection Types:

• Hirschmann 4-pin plug
• Cable
• M12×1 4-pin plug

Applications

The Differential Pressure Transmitter MDM4901FL Series is ideal for use in sectors requiring high safety and precision levels:

• Pharmaceutical Industry
• Aerospace Industry
• Firefighting
• Submarine

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