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DM231 Magnetostrictive Level Transmitter

Brand: Drexelbrook

The Drexelbrook DM231 is an explosion proof liquid level transmitter offering high accuracy measurements based on the magnetostrictive sensing technology.

The DM231 comes with a Modbus RTU digital output (optional analog output converter available) for total level, interface level and temperature sensor outputs. 

Sensors are available in 316SS rigid designs with a choice of single or dual NPT mountings. Temperature sensors are evenly distributed over the active length of the rigid 316SS tube.

Due to a wide selection of floats and mounting accessories this level transmitter fits virtually any application.

The DM231 level transmitter is FM approved for Class 1 Div. 1, Zone 1 Explosion Proof hazardous area installations. It is easy to install and requires no calibration.
Features
  • No calibration required
  • Modbus RTU output
  • Accuracy: 0.01%
  • Span length: 316SS 20” to 288” (508 to 7,315 mm)
  • Pressure rating of 316SS tube: 1,000 psig (69 bar)
  • Power requirements: 10- 30 VDC
  • Temperature range:
    • Process: -40° to 257° F ±1° F (-40°  to 125° C ±0.5° C)
    • Ambient: -40° to 185° F (-40° to 85° C)

Specifications

Brand

Certifications & Approvals

  • FM
  • FMc
  • CE
  • ATEX
  • CSA

Operating Voltage

  • 10-30 Vdc

Output Signal

  • Modbus RTU / ASCII
  • 4-20 m Analog

Response Time

  • 1.0 s

Process Temperature

  • -40° to 257° F ± 1° F (-40° to 125° C ± 0.5° C)

Ambient Temperature

  • -40° to 185° F (-40° to 85° C)

Pressure Rating

  • 1,000 psig. (69 bar)
  • 350 psig (24 bar)

Resolution

  • ± 0.0001”

Repeatability

  • ± 0.0001”

Accuracy

  • Level: 0.01 % or ± 0.023” (0.06 mm, whichever is greater
  • Temperature: ± 1° F (± 0.5° C)

Enclosure Rating

  • IP66, NEMA 4-4X

Probe Length

  • 316 Stainless Steel 20” to 288” (508 to 7,315 mm), Probes Available in 1” (25 mm) Increments

Span Length

  • 8” to 276” (203 to 7,010 mm)
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