Microsensor Switches Differential Pressure Transmitting Controller MDM4881 Series

The Switch for Industrial Automation

The Microsensor MDM4881 Series Differential Pressure Transmitting Controller is a digital meter integrating pressure measurement, display, transmitting and control. It adopts the internationally advanced ARM processing chip. By compensation and adjustment of the sensor, MDM4881 can achieve precise measurement, quick response & control of multiple relays. The controller supports peak value record and action delay, providing 4 digit LED display, easy for reading. Multiple buttons makes the operation easier and more convenient. Either current or voltage output signal is optional. It supports back mounting, rail mounting, cover mounting and joint mounting. Whole product protection is IP65. MDM4881 supports 5-relay + 1 -analog output. It can be applied for long distance pressure measurement and control in the equipment automatic pressure detection, action control and water level alarm etc. It is also a preferred choice for working fields where request high frequency / high accuracy switchover or mechanical pressure relays is incompetent.

Main Features

• Real-time pressure display in unit: Bar or MPa
• 14-segment LED display
• Button programming, easy operation
• Max. 5 relays control independently, time-delay function
• Switchable analog output
• Record the Max. pressure during operation(button for clearing up)
• Support back, rail, cover and joint mounting
• Hardware wrong operation protection
• Intrinsically safe products conform to GB3836.1 and GB3836.4 standards, and have explosion-proof certification, Exia mark is Ex ib IIA T6 Gb.
• Modbus communication

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Power Supply

Non Intrinsically Safe: (220±44)V AC / 22V~32V DC

Intrinsically Safe: 22V~28V DC (Supplied by Safety Barrier)

Range

0kPa~35kPa... 3.5MPa

Overpressure

1.5 FS

Static pressure

20MPa

Accuracy

≤±0.25%FS; ≤±0.5%FS

Repeatability

≤±0.2%FS

Display

4 digit 0.56 inch 14-segment LED display

Temperature Drift

≤±0.03%FS/℃ (zero/span)

Display Refresh

200ms

Current Version

4mA~20mA DC, Load resistance ≤560Ω

Voltage Version

0V~10V DC, Load resistance ≥10kΩ

Output Mode

5 relays, normally open or closed contact

Voltage Supply

≤277V AC;≤30V DC

Current Supply

≤3A

Response

<1ms

Switch Point Setting

1.5%FS~99%FS

Return Difference Setting

1%FS~10%FS

Relay Life

≥10,000,000 times/load (min.); ≥100,000/times/load (max.)

Switch Delay

0s~99s

Voltage Supply

≤277V AC; ≤30V DC

Response

< 1ms

Return Difference Setting

1%FS~10%FS

Operation Temp.(controller)

25℃ ~65℃ / -13 ℉ ~149 ℉

Relative Humility

0%~85%

Storage Temp.(controller)

40℃ ~70℃ / -40 ℉ ~158 ℉

Media Temp.

20℃ ~80℃ / -50 ℉ ~176 ℉

Electromagnetic compatibility

GB/T 17626.2/3/4-2006

Shock

≤5g/10Hz...500Hz(IEC 60068-2- 6-2007)

Impact

≤10g/11ms(IEC 60068-2-27-2008)

Protection

IP65

Click the following link to get more information about Microsensor company.

Do you like to know how these sensors work? Check our article to find out about them:

Pressure sensor (Pressure Transducer, Pressure Transmitter, Pressure Switch, Pressure Gauge,Difference between all Terms.

 Microsensor MDM4881 Series PDF Catalog  Transmitters Catalog