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DR7500 Radar Level Transmitter

Brand: Drexelbrook

Drexelbrook DR7500 is a 2-wire 80 GHz radar (FMCW) level transmitter for demanding liquid applications involving narrow tanks with long nozzles and internal obstructions like agitators or heating coils. 

A very small beam angle and negligible dead zone make this FMCW radar the optimal choice for continuous, non-contact level measurement in both extremely small and very high tanks up to 100 m / 328 ft. 

The level transmitter is even able to measure through tank roofs made of non-conductive materials. Its PEEK Lens antenna is insensitive to deposits and well suited for corrosive environments. As the antenna is flush-mounted, there is no intrusion into the tank.

DR7500 provides accurate readings even in processes with fast changing levels. It can be used in operating temperatures of up to 150° C / 300° F and pressures up to 580 psig (40 barg).
 
This level transmitter offers a wide range of flange connections and thread connections (starting from 3/4"). It comes with approvals for use in hazardous areas as well as extensive device diagnostics and HART®7 communication.
Features
  • Small beam angle (4° with DN70 / 6” Lens antenna)
  • PEEK flange protection against corrosive media
  • Flush-mounted PEEK Lens antenna hence no intrusion into tank
  • Empty tank spectrum function eliminates false reflections caused by tank internals
  • 3 Year Warranty

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

Material of Construction

  • Cable Gland: Plastic, Nickel-Plated Brass, Stainless Steel
  • Process Connection Material: Stainless Steel (1.4404/316L)

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 
  • Environment
  • Water and Wastewater
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