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Mass Flow Controller

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MODEL: SC / R - 1300
  • Dual functionality Mass flow rate indication / 8digit flow totalizing
  • Field settable flow totalizing rate.
  • Optional - Retransmission output corresponding to mass flow.
  • Optional - Serial communication port with MODBUS protocol.
  • User configurable ranges for all three mA inputs viz. Differential Pressure, Temperature, Pressure and Mass
Applications :

Model MFM 393 is micro-controller based arithmetical computation unit generally used in mass flow applications. The unit accepts three 4-20mA inputs at a time. Computed output is equal to,

Magnetic Level Indicator
where
  • Input 1 is Differential Pressure from D.P.Tx (Non Square Rooted)
  • Input 2 is Line pressure from Pressure Tx
  • Input 3 is Line Temperature from Temperature Tx
  • Facility to program Gain & Bias to each input and for Calculated Output

MFM 393 displays instantaneous Mass Flow rate on 4 digit LED Display. Flow Rate and Totaliser range can be configured as required even on site. Totaliser is a 8 digit LED Display. Totaliser can be reset manually from password protected PROG menu.

Power Supply for external transmitter (24VDC@100mA) is a standard feature. It eliminates need of separate power supply to power the transmitter

Optional:
  • MFM 393 provides linear 4-20mA retransmission signal corresponding to Calculated Mass Flow Rate for other panel mounted instruments like recorders, controllers etc.
  • Serial connectivity on RS485 port with MODBUS RTU protocol

Engineering Specification :
  • Input : 4-20Ma Dc Linear-3
  • Display : 7 Segment Led, 5-Digit Process Value, 8-Digit Tooaliser
  • Keyboard : 4 Key Track-Tile Keyboard
  • Resolution : 4 & ½ Digit For Flow Rate
  • Accuracy : ± 0.3% Of Fs, ± 1 Lsd (Flow) & ± Count (Totaliser)
  • Totaliser : 8 Digit Totaliser For Calculated Mass Flow
  • Scaling : Flow Rate & Totaliser, Span Scalable By Front Key Pad
  • Data Storage : Totaliser Value & Settings Stored In Battery Backed Ram
  • Led Indications : Led Indications For Serial Communication & Input Selection
  • Excitation : 24 Vdc, 100 Ma Excitation Supply For External Flow Transmitter
  • Re-Transmission (Optional) : 4-20 Ma Re-Transmission Output Corresponds To Mass Flow Rate For External Indicators/Recorders Or Plc. Maximum Load 500 W
  • Serial Port (Optional) : Rs485 Port With Modbus Rtu Protocol For On-Line Communication
  • Supply : 230 Vac Or 110 Vac, ±10 % Single Phase, 50Hz. Factory Set
  • Connections : On Screw Type Connectors
  • Cabinet : On Screw Type Connectors. Bezel:96X96Mm (H X W) Depth:150Mm Cutout : 92X92Mm (H X W)
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