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149 & AKM 47209 Small Gas Denisty Monitor

Brand: Qualitrol Company

Small SF6 gas density monitor that automatically compensates for gas pressure changes due to ambient temperature.

Offers alarm and limit control with up to three factory set switches. Snap-action, SPST or SPDT switches are UL and CSA approved.

Each density monitor is individually tested and factory certified prior to shipping.
Features
  • Mechanical based local indication with optional bi-metal ambient temperature compensation and switches for alarm and control functions
  • Measurement accuracy within ±2% of full scale
  • 149-203 features a swivel design that allows mounting on top, bottom or side of equipment
  • Several standard mounting styles and sizes offer a perfect fit for many applications
  • Contact switches are available on AKM 47209 and QUALITROL 149 series
  • Contact triggers when density level drops to a predefined value
  • Stainless steel and brass external parts offer protection from harsh environmental conditions
  • Vented case and UV stabilized polycarbonate lens prevent moisture from accumulating under the lens, keeping the face clear for maximum viewing

Specifications

Accuracy

  • ± 2 % of Full Scale

Cable Length

  • 23.6” (600 mm)

Case

  • Stainless Steel

Dial Diameter

  • Approximately 2.5” (63.5 mm)

Dielectric Strength

  • 2,000 Vac for One Minute

Electrical Connectors

  • Quick Connect Terminals

Gas Connection

  • Brass

IP Protection Rating

  • IP54 According to IEC 529

Lens

  • UV Stabilized Polycarbonate

Mounting

  • Top, Bottom or Side Mounting

Number of Switches

  • 1 (47209) or 2 (149-202, 149-205)

Operating Temperature

  • -40° to 70° C (-40° to 158° F)
  • -5° to 65° C (-20° to 150° F)

Shock Resistance

  • Withstands Vertical Accelerations of up to 50 G’s

Standard Dial Range

  • psi: 0 to 160 (kPa: 0 to 1,103, bar: 0 to 11.03)

Switch Rating

  • 0.15 A at 110 Vdc, L/R = 10 msec Inductive Load (47209)
  • 0.3 A at 220 Vdc, L/R = 10 ms Inductive Load (149-202, 149-205)

Switch Setting

  • psi: 145 (kPa: 999.7, bar: 9.997) (0.20 MPa at 20° C Reference)

Switch Type

  • NO or NC

Tank Connection

  • 1/4” NPT
  • 7/16”-20 SAE, MS
  • 7/8”-14
  • M30 x 2 Female
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