Delta Mobrey MSP900SH and MSP900SH Flow Transmitter

Delta Mobrey MSP900SH and MSP900SH are based on ultrasonic technology. Ultrasonic pulse signals are transmitted and reflected from the liquid surface. The transmitter ‘listens’ for reflected signals (echoes) and measures the time-delay between transmitting and receiving. The distance to the liquid surface is automatically calculated using the computed time-delay. The MSP900SH has an integrated sensor for automatically compensating the Distance for temperature effects.

The MSP900FH has a factory fitted remote temperature sensor to continuously measure the air temperature around the transmitter. It then computes the speed of sound in air, automatically compensating Distance for temperature effects. The level measurement (Bottom Reference minus Distance) is sent through the 4–20 mA and HART output. Mobrey Ultrasonic Level and Flow Transmitters are your cost-effective solution for reliable level measurement instrumentation.  The Mobrey MSP900SH is ideal for enclosed wet wells and sumps. The MSP900FH is ideal for open channel flow applications. Both are fully encapsulated to withstand accidental submersion.

Delta Mobrey MSP900SH and MSP900SH Advantages:

  • Eliminates problems experienced with contacting instrumentation
  • Simple set-up and operation
  • Minimal maintenance after installed
  • Low cost of installation and commissioning
  • Process downtime minimized
  • Non-contacting measurement with no moving parts
  • Sealed rugged UPVC housing
  • Corrosion resistant UPVC wetted material
  • Factory fitted with up to 164 ft. (50 m) of two-core cable
  • 4–20 mA loop-powered
  • Operating range to 39 ft. (12 m)
  • Measures liquid height, distance to liquid, volume, or flow in open channels
  • Certified Intrinsically Safe and used for level (or distance) measurements in hazardous areas
  • Automatic temperature compensation


Storage tank levels, open channel flow, effluent pits, reservoir level, buffer tanks, and more

Delta Mobrey MSP900SH and MSP900SH Specification:

  • Output Signal: Analog 4-20 mA, HART
  • Process Connection: 1-in. NPT or 1-in. BSPP threaded connection options
  • Process Wetted Material: UPVC (stabilized)
  • Housing Material: UPVC (stabilized)
  • Operating Temperature: “-40 to 140 °F (-40 to 60 °C)”
  • Operating Pressure: -4 to 44 psi (-0.25 to 3.0 bar)
  • Compatible Devices: Mobrey MCU900 Series Universal Control Unit or field communicator
  • Cable Glands:
    • “10, 65, or 164 ft. (3, 20, or 50 m), factory fitted PVC cable.
    • Ingress protection rating is IP68 to 33 ft. (10 m).”
  • Power Supply: “12 to 40 Vdc (non-hazardous or unclassified area). 12 to 30 Vdc (hazardous or classified area).”
  • Measurement range:
    • MSP900SH           39 ft (12m)
    • MSP900FH           11 ft (3.3m)

Download Data Sheet: MSP900SH Level and MSP900SH Flow Transmitter


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