BROOKS 5850EM Series Metal Sealed Thermal Mass Flow Controllers

Proven long-term stability. Ultra-pure performance for high pressure applications.

Category:
Description
Proven long-term stability. Ultra-pure performance for high pressure applications.
Models 5850EM / 5851EM
Performance
Repeatability 0.2% of rate
Response Time Normally Ciosed Valve: <3 secOptional: 600 msec
Flow Range (Full Scale Capacity) 3 socm -30,000 sccm
Linearity ±0.5% FS.(included in accuracy)
Accuracy 19 F.s. incl. linearity
1.5%6 FS. incl: linearity >20 slpm
Multi-Gas & Range Configurability
Pressure Transient Insensitivity
Control Range 2.3%-100%
Number of Bins N/A
Valve Shut Down N/A
Zero Stablllty <±0.5% F.5. per year
Mechanical
Wetted Materials Valve Seat: 316L, Vitons fluoroelastomers, Buna-N, Kalrez® or Teflon®
Seal Material Metal
Level of Purity/ Surface Finish 316L VAR, 316L, and high alloy ferritic stainless steel
Valve Options Normally Closed, Normally Open
Meter (no valve)
Electrical
Analog communication
4-20 mA
0-5 Vdc
Digital Communication
Electrical Connection
15 Pin D Connector(DA-15P)
Power Supply/Consumption
Normally Closed valve: 3.25 watts
Normally Open valve: 10.5 watts
Ratings
Max Temperature 65°C
Max Pressure 1500 psi
PDifferential Pressure Range
5 -50 psi (gas and range dependent)
Leak Integrity
1×10-10 atm cc/sec He
Diagnostics & Display
Diagnostic Capability
Status Lights
MFC Health, Network Status
Alarms Control Valve Output, Network Interruption
Diagnostic/Service Port N/A
Compliance
EMC (89/336/EEC) per 61326
Environmental Compliance N/A

Features:

  • Long-term zero stability of less than 0.2% full scale per year
  • Settling time of less than 3 seconds with negligible overshoot/undershoot when commanding changes
  • Wide flow range from 3 sccm up to 30,000 slpm
  • High pressure rating of up to 1,500 psi
  • Optional enhanced internal process finish with a 5µ inch Ra average
  • Removable flow sensor
  • Insensitive to mounting attitude
  • Mechanical and electrical compatibility with other mass flow controllers
  • TTL compatible “valve off” and purge function

Benefits:

  • All-metal flow path enhances gas purity and reduces leaks
  • Proven long-term stability and accuracy across a broad range of processes and applications
  • Excellent return on investment due to reliable performance
  • Removable flow sensor eliminates the need for continuous monitoring and readjustment of gas pressures
  • Easy installation and servicing with analog-only inputs/outputs

Applications:

  • Fiber Optic
  • LED/MOCVD
  • Semiconductor
  • Solar

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