Pressure Transmitter for Oxygen Measurement M20FL Series

Introduction

The M20FL Pressure Transmitter is specifically designed for precise oxygen measurement in various industries. It combines advanced technology with high reliability, making it an ideal choice for the pharmaceutical, aerospace, chemical, metallurgy, and energy sectors.

Industries of Application

• Pharmaceutical Industry
• Aerospace Industry
• Chemical Industry
• Metallurgy
• Energy

Key Features

The M20FL Pressure Transmitter is equipped with advanced features that ensure accurate and reliable performance:

• Pressure Type: Gauge, Absolute, Positive/Negative
• Pressure Range: From 0kPa to 25kPa up to 0MPa to 25MPa
• Accuracy:
  • ±0.25%FS (@25℃)
  • ±0.5%FS (@25℃)
• Electrical Connections:
  • Angular Connector DIN 175301-803A
  • Circular Aviation Plug M12×1 (4pin) IEC 61076-2-101
  • Cable Φ5.0mm 5×0.12mm² Polyurethane
• Process Connections:
  • M20×1.5
  • G1/4A
  • NPT1/4
  • R1/4
  • Other threads available on request
• Output Options:
  • 4mA ~ 20mA DC
  • 0V ~ 5V DC
  • 1V ~ 5V DC
  • 0V ~ 10V DC
  • 0.5V ~ 4.5V DC
• Structure: Full welded, molecular sieve
• Medium: Oxygen

Applications

The M20 pressure transmitter is engineered for oxygen pressure measurement, filled with Fluorinated® oil. It features a highly integrated electrical structure, full digital temperature compensation and calibration, and excellent materials for good electromagnetic compatibility. It is cost-effective and highly reliable, suitable for:

• Medical and pharmaceutical industries
• Gas pressure measurement in medical oxygen generating equipment
• Oxygen storage tanks

Micro Sensor ensures that the degreasing and cleaning for oxygen-use follow ISO15001/ASTM G-93 standards and procedures.

Pressure Ranges

Gauge Pressure

• kPa: 0 ~ 25 to 0 ~ 6000
• MPa: 0 ~ 0.25 to 0 ~ 25
• psi: 0 ~ 5 to 0 ~ 3000

Absolute Pressure

• kPa: 0 ~ 25 to 0 ~ 6000
• MPa: 0 ~ 0.25 to 0 ~ 2.5
• psi: 0 ~ 10 to 0 ~ 300

Positive/Negative Pressure

• kPa: -5 ~ +20 to -100 ~ +900
• MPa: -0.015 ~ +0.015 to -0.1 ~ +2.4
• mbar: -50 ~ +200 to -1000 ~ +9000
• bar: -0.15 ~ +0.15 to -1 ~ +24
• psi: -30 inHg ~ 0 to -30 inHg ~ +300

Electrical Characteristics

• Output Signal Types:
  • Current (2-wire): 4mA ~ 20mA DC
  • Voltage (3-wire): 0V ~ 5V DC, 1V ~ 5V DC, 0V ~ 10V DC, 0.5V ~ 4.5V DC (standard and ratio)
• Power Supply:
  • Current: 8V ~ 30V DC
  • Voltage: Varies from 8V ~ 30V DC based on output type
• Load:
  • Current (2-wire): ≤ (Power Supply - 8V) / 0.02 A
  • Voltage (3-wire): >10 kΩ

Environmental Conditions

• Medium Temperature: -30℃ ~ 85℃
• Environment Temperature: -30℃ ~ 85℃
• Storage Temperature: -40℃ ~ 100℃
• Relative Humidity: 45% ~ 75%
• Vibration: 10g (@10Hz~2000Hz)
• Shock Resistance: 100g/11ms
• Service Life: >10 million times load cycle

Performance Specifications

• Hysteresis: ≤0.1%FS
• Repeatability: ≤0.1%FS
• Overpressure: As specified in the pressure range table
• Long-term Stability: ≤±0.1%FS/year (typical), ≤±0.2%FS/year (maximum)
• Accuracy: ≤±0.25%FS, ≤±0.5%FS
• Response Time:
  • Fluid Viscosity (<100 cSt): <4 ms
  • Gas: <35 ms

Materials

• Wetted Part: Stainless Steel 316L
• Sealing Element: FKM (default), EPDM, Cuprum
• Non-wetted Part: Stainless Steel 316L, Nylon
• Pressure Transmission Medium: Silicone Oil

Electromagnetic Compatibility

Tested according to GB/T 17626 and IEC 61000 standards, ensuring performance under various electromagnetic conditions.

Process Connections and Electrical Definitions

• Standard Pressure Ports:
  • ISO 7: R1/4, R3/8, R1/2
  • ISO 1179-1: G1/4 Female
  • ISO 1179-2: G1/4A, G3/8A, G1/2A
  • ISO 9974-2: M12×1.5, M14×1.5, M20×1.5
  • ANSI/ASME B1.20.1: NPT1/4, NPT1/2
• Electrical Connectors:
  • DIN 175301-803A
  • M12×1 (4pin)
  • Cable (with various lengths and configurations)

Optional Accessories

• Metrological Verification Certificate (calibration certificate) and special requirements available upon consultation.
• Sealing Elements: Fluororubber O-ring (-20℃ ~ 250℃) or EPDM O-ring for temperatures below -20℃.

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