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Gas Flow

Accurate, Reliable Gas Flow Technologies

Explore our broad range of gas flow meters and gas flow controllers designed to deliver precise, repeatable measurement and control of gas flows across laboratory, industrial, and process environments. From thermal mass flow meters to Coriolis flow meters and variable area flow meters, Brooks Instrument provides proven solutions for virtually any gas flow measurement application.

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SLA5800 Series product image
SLA5800 Elastomer Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range .003 - 2500 slpm
Accuracy Range Up to ±0.6% of S.P. (20-100% F…
Turndown Ratio 1-50 slpm: 100:1, 50-2500 lpm:…
Repeatability 0.20% S.P.
Max Pressure 4500 psi
Operating Temperature -14°C - 65°C
SLAMF Elastomer Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range .003 - 2500 slpm (9000 slpm fo…
Accuracy Range Up to ±0.6% of S.P. (20-100% F…
Turndown Ratio 1-50 slpm: 100:1, 50-2500 lpm:…
Repeatability 0.20% S.P.
Max Pressure 4500 psi
Operating Temperature -14°C - 65°C
Ingress Protection IP66
GP200 Metal Sealed Mass Flow Controllers
Type of Media Gas
Flow Measuring Principle Pressured-based (P-MFC)
Flow Range 3 sccm - 50,000 sccm
Accuracy Range Zero Leak Valve: <±1% S.P. (5-…
Turndown Ratio Zero Leak Valve: 0.5 - 100% F.…
Repeatability < ±0.15% S.P.
Max Pressure 150 psi
Operating Temperature 10°C - 60°C
GF100 Metal Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range Standard GF Series: 3 sccm - 5…
Accuracy Range Standard GF Series: ±1% S.P. >…
Turndown Ratio Standard GF Series: 2-100%, H…
Repeatability 5 - 100% = ±0.15% S.P, .2 - 5%…
Max Pressure 500 psi
Operating Temperature 10°C - 50°C
GF100 Metal Sealed Mass Flow Controllers & Meters with EtherCat
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range Standard GF Series: 3 sccm - 5…
Accuracy Range Standard GF Series: ±1% S.P. >…
Turndown Ratio Standard GF Series: < 3-100%, …
Repeatability 5 - 100% = ±0.15% S.P, .2 - 5%…
Max Pressure 500 psi
Operating Temperature 10 - 50°C
GF080 Metal Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range 3 sccm - 55 slpm
Accuracy Range ±1% S.P. 35-100%, ±0.35% F.S. …
Turndown Ratio < 5% - 100%
Repeatability < ±0.2% S.P.
Max Pressure 150 psi
Operating Temperature 5°C - 50°C
GF040 Elastomer Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range 3 sccm - 50 slpm
Accuracy Range 1% of S.P. 35-100%, 0.35% of F…
Turndown Ratio 2-100%
Repeatability 0.20% S.P.
Max Pressure 150 psi
Operating Temperature 5°C - 50°C
MT3809 Metal Tube Flow Meters
Type of Media Gas / Liquid
Flow Measuring Principle Variable Area (VA)
Flow Range Water: 440 gpm / 100,000 l/h, …
Accuracy Range ±2% FS / Class 2.5 VDI / VD…
Repeatability All options except ELF: 0.25%…
Operating Temperature -198°C - 420°C
Ingress Protection IP66, IP67, Nema 4x, IP65
MT3750 Metal Tube Flow Meters
Type of Media Liquid, Gas
Flow Measuring Principle Variable Area (VA)
Flow Range Water: 26 gph / 100 l/h, Air: …
Accuracy Range ±5% FS* / Class 4 VDI / VDE…
Repeatability Less than 1% FS
Max Pressure 4000 psi
Operating Temperature -50°C - 204°C*
Ingress Protection IP65, IP66, IP67, Nema 4x
Sho-Rate™ Glass Tube Flow Meters
Type of Media Gas / Liquid
Flow Measuring Principle Variable Area (VA)
Flow Range Air: Up to 140 scfh / 63 slpm,…
Accuracy Range ± 3% - 10% FS
Repeatability 0.25% FS
Max Pressure 200 psi
Operating Temperature 1°C - 121°C
GT1600 Glass Tube Flow Meters
Type of Media Gas/Liquid
Flow Measuring Principle Variable Area (VA)
Flow Range Water: Up to 0.41 gpm / 4,900 …
Accuracy Range Standard: ±10%, ±5%, ±2% Full …
Repeatability ≤0.5% Full Scale
Operating Temperature 1°C - 121°C
Quantim® QMC Coriolis Mass Flow Meters & Controllers
Type of Media Gas/Liquid
Flow Measuring Principle Coriolis
Flow Range 10 - 27,000 gram/hr
Accuracy Range Liquid: 0.2% of rate, Gas: 0.5…
Repeatability ±0.05% or ±[0.5 x (zero stabil…
Max Pressure 1500 psi
Operating Temperature 0°C - 60°C
Ingress Protection IP40, IP65, IP66
GF120xHT Metal Sealed High-Temperature Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range 50 sccm - 5 slpm
Accuracy Range ±1% S.P. >35-100%, ±0.35% FS 2…
Repeatability 5-100% = ±0.15% of S.P., 2-5% …
Max Pressure 500 psi
Operating Temperature 45°C - 150°C
5850EMH Metal Sealed High-Temperature Mass Flow Controllers
Type of Media Gas/Vapor
Flow Measuring Principle Thermal (TMF)
Flow Range 0.003 - 100 slpm
Accuracy Range 1% of FS
Repeatability ±0.25% of rate
Max Pressure 145 psi
Operating Temperature 50°C - 105°C
5800E Elastomer Sealed Mass Flow Controllers & Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range .003 - 1000 slpm
Accuracy Range 1% of FS, 1.5% of FS > 20 slpm
Turndown Ratio 50:1
Repeatability 0.25% of rate
Max Pressure 1500 psi
Operating Temperature 5°C - 65°C
5850EM Metal Sealed Mass Flow Controllers
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range 3 sccm - 30,000 sccm
Accuracy Range 1% F.S. incl. linearity, 1.5% …
Turndown Ratio 2-3% - 100%
Repeatability 0.25% of rate
Max Pressure 1500 psi
Operating Temperature 5°C - 65°C
5700 Elastomer Sealed Mass Flow Meters
Type of Media Gas
Flow Measuring Principle Thermal (TMF)
Flow Range 0 - 50 slpm
Accuracy Range 5% of FS including linearity
Repeatability 0.50% FS
Max Pressure 150 psi
Operating Temperature 5°C - 65°C

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