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Brooks Instrument Pressure/Flow Controller, Model SLA7840

Model SLA7840 Pressure/Flow Controller

Brand: Brooks Instrument
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Model SLA7840 is a 1-1/8" (28.57 mm) wide profile high purity metal sealed instrument that controls pressure while measuring flow rate. 

The Model SLA7840 receives a remote pressure transducer signal, and using adjustable integral PID control electronics and a control valve, maintains a desired set pressure. 

In addition to the pressure function, the Model SLA7840 provides a 0-5 V signal that is linear with mass flow rate. The Model SLA7840 can also be configured as a mass flow controller for calibration or test purposes.
Features
  • 1-1/8" (28.57 mm) Mechanical Platform
  • High Performance Co-Planar Valve
  • All wetted parts 32 Ra maximum to maintain particle, moisture and contamination free process conditions
  • Digital Communication options offer easy commissioning and reduced system wiring
  • Device can store 10 selectable calibrations and flow ranges
  • CE Compliant

Specifications

Brand

Approvals & Certifications

  • ISO 9001
  • CE
  • PED 97/23/EC

Seat / Seal Material

  • Seal: Nickel
  • Seat: 316L Stainless Steel

UNF/UNC Connection

  • 8-32 UNC-2B

VCR / VCO Connection

  • 1/4” VCR Male

Accuracy

  • ±1.0% of Rate, Including Linearity (20% to 100% F.S.)
  • ±0.2% of F.S. (Below 20% Full Scale)

Flow Range

  • 0-3 sccm to 0-30,000 sccm N2 eq

Repeatability

  • ±0.20% of Rate

Pressure Range

  • Maximum 500 psig

Operating Temperature

  • 0° to 60° C (32° to 140° F)
  • Non-Operating: -25° to 100° C (-13° to 212° F)

Wetted Material

  • 316L Vacuum Arc Remelt (VAR), 316L, and High-alloy Ferritic Stainless Steel
  • External/Internal Seals: Nickel
  • Valve Seat: 316L Stainless Steel - Standard

Supply Voltage

  • Analog I/O: +15 Vdc, ±5% (Traditional -15 Vdc Pin Is Ignored)
  • Digital I/O DeviceNet: 11-25 Vdc

Power Requirement

  • Analog I/O Option, with Valve:  3.6 W Typical, 4.0 W Max.
  • DeviceNet I/O Option, with Valve:  6.9 W Typical, 7.6 W Max.

Documentation

Data Sheets

Product Manuals

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