Krohne Miniature Flowmeter DK 46/47/48/800
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DK 46/DK 47/DK 48/DK 800

Series: DK 46/47/48/800 Miniature Flowmeter Brand: Krohne
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Krohne Miniature Flowmeter DK 46/47/48/800 Krohne Miniature Flowmeter DK 46/47/48/800 Krohne Miniature Flowmeter DK 46/47/48/800
  • Device Type - Overall Length of Measuring Cone 65 mm
  • Material of Construction - Brass
  • Pressure Regulator - Inlet Pressure Regulator
  • Limit Switches - One Limit Switch

Specifications

Brand

Accuracy

  • DK 46: Class 4
  • DK 47/800: Class 2.5
  • DK 48: Class 1

Ambient Temperature Range

  • Limit Switch Typical RC: -20° to 100° C (-4° to 212° F)
  • Maximum
  • Version RB: -25° to 70° C (-13° to 158° F)

Approvals & Certifications

  • ATEX EEx Ia IIC T1 to T6
  • EMC EN 60947-5-2

Cable Length

  • Limit Switch Typical RC: 8" (0.2 Meter) PVC Cable
  • Version RB: 6.56 feet (2 meters) PUR Cable

Capacitance

  • EMC Filters for Limit Switches: 40 NF
  • Limit Switches: 90 to 150 NF

Cone Material

  • Measuring Cone: Borosilicate Glass

Consumption

  • Power Consumption: 1 mA (Active Area Obscured)
  • Power Consumption: 3 mA (Active Area Clear)

Current

  • No-load Current: 20 mA
  • Operating Current: 0 to 100 mA

Diameter

  • Ball (DK 46/47/800): 4 to 8 mm
  • Spindle: 0.04 to 0.177" (1 to 4.5 mm)

Differential Pressure

  • Minimum psig: 0 to 11.60 (kPa: 0 to 79.9 bar: 0 to 0.8) - Outlet Pressure Regulators

Electrical Connectors

  • 0.14 mm² (0.00022 Square inch) Cable
  • Connecting Housing PG11
  • Limit Switch Typical RC: 2-Wire Connection to DIN EN 50227
  • Version RB: 3-Wire Technology

Enclosure, Body Material

  • Polybutylene Terephthalate (PBT)

Environmental Protection

  • IP67
  • NEMA 6

Flow Rate

  • Ball (DK 46): 0.19 to 59.55 scfh (5 to 1,600 L/hour) for Air
  • Ball (DK 46/800): 0.66 to 42.27 gph (2.5 to 160 L/hour) for Water
  • Ball (DK 47): 0.60 to 29.77 scfh (16 to 800 L/hour) for Air
  • Ball (DK 47): 0.66 to 26.42 gph (2.5 to 100 L/hour) for Water
  • Ball (DK 48): 0.11 to 26.42 gph (0.4 to 100 L/hour) for Water
  • Ball (DK 48): 0.60 to 111.65 scfh (16 to 3,000 L/hour) for Air
  • Ball (DK 800): 0.19 to 160.03 scfh (5 to 4,300 L/hour) for Air
  • Differential Pressure Regulators: Maximum
  • Inlet Pressure Regulators: Maximum
  • Outlet Pressure Regulators: Maximum
  • Spindle: 0.018 to 0.48 Kv (m³/hour)
  • Spindle: 0.021 to 0.56 Cv (GPM)
  • Spindle: 1.32 to 42.3 gph (5 to 160 L/hour) for Water
  • Spindle: 3.72 to 160 scfh (100 to 4,300 L/hour), Maximum

Gasket Material

  • Optional Gasket: FFKM
  • Optional Gasket: PTFE
  • Standard Gasket: Viton

Inductance

  • EMC Filters for Limit Switches: 600 µH
  • Limit Switches: 70 to 120 µH

Length

  • Measuring Cone Length for DK 46: 2.65" (65 mm)
  • Measuring Cone Length for DK 47: 5.91" (150 mm)
  • Measuring Cone Length for DK 48: 11.81" (300 mm)
  • Measuring Cone Length for DK 800: 3.94" (100 mm)

Materials of Construction

  • Float Options (DK 46/47/800): Glass
  • Float Options (DK 46/47/800): POM (Polyoxymethylene)
  • Float Options (DK 46/47/800): Titanium
  • Float Options (DK 48): Aluminum
  • Float Options (DK 48): Hard Rubber
  • Float Options (DK 48): Steatite
  • Float Standard (DK 46/47/800): 316 Stainless Steel 1.4401
  • Float Standard (DK 48) & Mount (Rail): 316Ti Stainless Steel 1.4571
  • Float Stop: PTFE
  • Top/Bottom Connection Block for Mount: 316Nb Stainless Steel, 1.4581
  • Top/Bottom Connection Block for Mount: Brass
  • Top/Bottom Connection Block for Mount: PVDF

Mounting

  • Panel Mounting

NPT Connection

  • 1/4" NPT

Operating Pressure

  • psig: 145 (kPa: 1,000, bar: 10) - Maximum

Operating Voltages

  • Version RB: 10-30 V

Output

  • Version RB: 1 V

Process Temperature

  • Maximum

Ratio

  • 10:1 - Turn-down Ratio

Spindle Material

  • Valve Spindle: 316Ti Stainless Steel 1.4571

Supply Pressure

  • Minimum psig: 0 to 14.5 (kPa: 0 to 100, bar: 0 to 1) - Inlet Pressure Regulators

Temperature Range

  • Differential Pressure Regulators: 0° to 80° C (32° to 176° F), Maximum
  • Optional for Differential Pressure Regulators: 100° C (212° F)

Voltage

  • Rated Voltage: 8 Vdc

Documentation

Data Sheets

Product Manuals

View Product Series

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