Differential Pressure Switch MDM4881 Series

Introduction

The Differential Pressure Switch MDM4881 Series is a sophisticated digital meter designed for industrial applications requiring precise pressure measurement, display, transmission, and control. Engineered with cutting-edge ARM processing technology, this device offers unparalleled accuracy and quick response times, making it ideal for environments where high-frequency or high-accuracy pressure monitoring is essential. Whether for equipment automatic pressure detection, action control, or water level alarms, the MDM4881 series is your reliable choice.

Key Features

• Real-time Pressure Display: Choose between Bar or MPa units for immediate and accurate pressure readings.
• Advanced LED Display: A 14-segment LED display ensures clarity and ease of reading.
• User-Friendly Interface: Button programming allows for effortless operation and customization.
• Versatile Relay Control: Control up to five relays independently, with time-delay functionality for enhanced flexibility.
• Dual Analog Output Options: Switch between current (4mA20mA DC) and voltage (0V10V DC) outputs to suit your application.
• Peak Pressure Recording: Keep track of the maximum pressure during operation, with a convenient reset button.
• Multiple Mounting Options: Supports back, rail, cover, and joint mounting to accommodate various installation requirements.
• Hardware Protection: Built-in protection against incorrect operation ensures long-term reliability.
• Intrinsic Safety Compliance: Certified to GB3836.1 and GB3836.4 standards with explosion-proof certification (Ex ib IIA T6 Gb).
• Modbus Communication: Facilitates seamless integration into your existing systems.

Installation and Mounting

The MDM4881 Differential Pressure Switch offers flexible installation options to fit diverse industrial settings. It can be mounted using back, rail, cover, or joint mounting methods, providing adaptability for different environments. The device’s robust design, combined with an IP65 protection rating, ensures reliable performance even in challenging conditions. Installation is further simplified with a detailed terminal diagram and clear instructions for both hazardous and non-hazardous areas.

Order Information

When selecting the MDM4881 series, customers can customize their orders to match specific needs:

• Pressure Range: Choose from a wide range of 0 kPa to 3.5 MPa, ensuring the right fit for your application.
• Power Supply Options:
  • AC: 220V AC (for non-intrinsically safe applications).
  • DC: 22V to 32V DC (non-intrinsically safe) or 22V to 28V DC (intrinsically safe, powered by a safety barrier).
• Output Configurations:
  • KA: 5-relay with analog output (4mA~20mA).
  • KV: 5-relay with analog output (0V~10V).
  • KAV: 5-relay with dual-use analog output (4mA20mA / 0V10V).
• Process Connection: Options include G1/4 female connection (C4) or intrinsically safe certified connection (i: Ex ib IIA T6 Gb).

For custom process connection threads or other special requirements, please feel free to contact us.

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