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NIPRESS DD-200 Differential Pressure Transmitter

Brand: Nivelco Process Control Co.

NIPRESS DD-200 differential pressure transmitters with stainless steel (optionally HASTELLOY® C-276) sensor and two pressure ports can be used in in 2-wire system. 

The differential pressure transmitter measures the difference between the two pressure ports and converts it into a proportional voltage and current output. 

The differential pressure transmitters’ main application area is the process industry, and can be used exceedingly in closed, pressurized tanks. 

The transmitter is capable to communicate via HART® and can be parameterized using three miniature keys on the LCD display module, or the magnetic switches located under the metal cap, or by a HART® communicator. Ex or SIL versions are also available.
Features
  • Stainless steel diaphragm
  • Relative pressure measurement
  • Aluminum die cast housing
  • Turn-down 1:10
  • HART communication

Specifications

Accuracy

  • 0.1%

Ambient Temperature Range

  • With Display: -20° to 50° C (-4° to 122° F)
  • Without Display: -40° to 50° C (-40° to 122° F)

Communication

  • Output: HART

Diaphragm Material

  • Stainless Steel

Enclosure, Body Material

  • Aluminum Die Cast

Environmental Protection

  • IP67

Nominal Pressure

  • psig: 0 to 290 (kPa: 0 to 2,000, bar: 0 to 20)

NPT Connection

  • 1/4” NPT Female

Output

  • 4-20 mA

Pressure Type

  • Differential
  • Relative

Process Temperature

  • -40° to 85° C (-40° to 185° F)

Ratio

  • Turn Down - 1:10

Seat / Seal Material

  • Seal: EPDM

Sensor, Probe Material

  • Sensor: Hastelloy C-276
  • Sensor: Stainless Steel

  • Chemical Industry
  • Differential Pressure Measurement of Closed, Pressurized Tanks
  • Energy Industry
  • Food & Beverage Industry
  • HVAC
  • Mechanical & Plant Engineering
  • Oil & Gas Industry
  • Paper Industry
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