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Description
649b compact pressure controllers with mass flow meter 649B Integrated Pressure Controller, Compact, Series 649B

Specifications

  • Type
    649 Pressure Controller with Capacitance Manometer and Mass Flow Meter
  • Pressure Range
    10, 20, 50, 100, 1000 mmHg (Torr) Full Scale
  • Valve Orifice
    50, 200, 1000, 5000 sccm (nominal Full Scale flow rates for N2 with 15 psig on inlet and atmospheric pressure on outlet)
  • Flow Rate
    10, 20, 50, 100, 200, 500, 1000, 2000, 5000 sccm (Full Scale)
  • Trip Points
    Pressure: Two open-collector transistors
    Rated: 250 mA @ 30 VDC
    Adjustable: 1 to 100% of Full Scale
    Hysteresis: 3% of Full Scale
    Indicators: Green LEDs on when actuated
  • Pressure Control Accuracy
    ±0.2% of Full Scale
  • Transducer Over Pressure Limit
    45 psia or 2x Full Scale, whichever is greater
  • Maximum Differential Pressure
    150 psi (consistent with transducer overpressure limit)
  • Control Mode
    Downstream
  • Pressure Measurement Accuracy
    ±0.5% of Reading (includes linearity, hysteresis, and repeatability)
  • Zero Temperature Coefficient
    ±0.04% of Full Scale/°C
  • Span Temperature Coefficient
    ±0.04% of Reading/°C
  • Control Range
    2 to 100% of Full Scale
  • Typical Response Time
    1.0 sec (excluding system time constant)
  • Operating Temperature
    0 to 50°C (32 to 122°F)
  • Storage Temperature
    -20 to 80°C (-4 to 176°F)
  • Flow Measurement Range
    1% to 100% of Full Scale
  • Flow Repeatability
    ±0.2% of Full Scale
  • Flow Resolution
    0.1% of Full Scale
  • Flow Accuracy
    ±1.0% of Full Scale (including non-linearity, hysteresis, and non-repeatability referenced to 760 mmHg and 0°C)
  • Flow Span Temperature Coefficient
    < 0.08% of Reading/°C
  • Flow Zero Temperature Coefficient
    < 0.05% of Full Scale/°C
  • Flow Reading Pressure Coefficient
    <0.02% of Reading/psi
  • Input Power
    ±15 VDC ±5%, 300 mA max.
  • Connector
    15-pin male Type “D"
  • Meter Response Time
    <100 msec
  • Meter Warm-up Time
    <2 min (within 0.2% of Full Scale steady state)
  • RFI Sensitivity
    SAMA 33.1, 1-abc: <0.2% of Full Scale
  • Input-Output Signals
    Pressure: 0-10 VDC default (user settable to 0-5 VDC)
  • Cable Length
    100 ft. (30 m) max.
  • Compliance
    CE

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