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DR7400 Radar Level Transmitter

Brand: Drexelbrook

Drexelbrook DR7400 is a loop powered FMCW 26 GHz radar that offers State-of-the-Art components. The DR7400 operates over a larger bandwidth: This ensures excellent resolution and high accuracy in agitated and corrosive liquids.

The higher signal dynamics of the DR7400 allow the accurate detection of even the smallest level changes. Proven PTFE and PEEK Drop antenna with flange protection.

Due to the antenna design it is ideal for measurements up to 100 m / 328 feet. To ensure sharper resolution and higher accuracy this radar level transmitter can operate over a 2 GHz bandwidth, 24-26 GHz. The higher signal dynamics of the DR7400 allow the accurate detection of even the smallest level changes.

The DR7400 is a two-wire radar level measurement device with clear navigation display and touch screen user interface, which allows for easy configuration and set up. 

A powerful signal processing and a large bandwidth allow this transmitter to determine the true level in the tank, even with agitated surfaces.
Features
  • Process conditions up to 200° C / 392° F and 1,450 psig (100 barg)
  • Proven PTFE and PEEK Drop Antenna with flange protection
  • Measuring range up to 100 m / 328 ft
  • 3 Year Warranty
  • Two-wire / 24-26 GHz

Specifications

Brand

Accuracy

  • Standard: ± 2 mm / ± 0.8”, When Distance ≤ 10 m / 33 ft
  • ± 0.02 % of Measured Distance, When Distance > 10 m / 33 ft

Measuring Range

  • 15 to 100 m (49.2 to 328.1 ft)

Process Connection

  • G 1-1/2”, 1-1/2” NPT
  • DN 40 - 200, PN01, PN 16, PN 40
  • ASME Class 1-1/2” - 8”, 150 lb / 300 lb
  • JIS 40A - 200A 10K RF

Certifications & Approvals

  • NAMUR
  • FCC
  • LVD
  • cQPSus
  • CRN
  • EMC
  • CE
  • ATEX
  • IECEx

Display

  • Backlit LCD
  • 128 x 64 Pixels in 64-step greyscale with 4-button keypad

Resolution

  • 1 mm / 0.04”

Repeatability

  • ± 1 mm / ± 0.04”

Process Temperature

  • -50° to 200° C (-58° to 392° F)

Ambient Temperature

  • -40° to 80° C (-40° to 176° F)

Storage Temperature

  • -40° to 85° C (-40° to 176° F)

Humidity

  • 0 to 99 % Relative Humidity

Process Pressure

  • -1 to 100 barg / -14.5 to 1,450 psig

Ingress Protection

  • NEMA 6, NEMA 6P
  • IP66/IP68

Housing Material

  • Standard: Polyester-Coated Aluminium
  • Option: Stainless Steel (1.4404 / 316L)

Wetted Material

  • PEEK
  • PTFE
  • Stainless Steel (1.4404 / 316L)

Material of Construction

  • O-Ring/Gaskets: FKM/FPM, EPDM, Kalrez 6375
  • Cable Gland: Plastic, Nickel-Plated Brass, Stainless Steel
  • Process Connection Material: Stainless Steel (1.4404/316L)
  • Flange: PTFE, PEEK

Power Supply

  • 12-30 Vdc
  • 16-36 Vdc

Cable Entry

  • M20 x 1.5
  • 1/2” NPT

Output Signal

  • Standard: 4-20 mA
  • 3.8-20.5 mA

  • Chemical Market 
  • Oil & Gas
  • Power 
  • Petrochemicals
  • Steel
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