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Mass flow meters and Controllers
- Standard Mass Flow Meter
MODEL 3760 SERIES - The compact & low-cost mass flow meter products
The KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES is a compact, low-cost mass flow meter based on the MODEL 3660 SERIES MFC, designed to be the standard model for both research and industrial applications, with focus on low-cost, compactness and quick response.

KOFLOC MFM MODEL 3760 SERIES
Quick Review
• Numerous Variants
A room for customization at a reasonable cost is the description that sums up the KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES. The MODEL 3760 SERIES has gained wide acceptance and solid reputation for its flexibility. It is in use throughout laboratories, universities and foundries, in both its original and customized variants.
• Low-Cost
If the cost effectiveness is the decisive factor in choosing the right mass flow controller for you application, few can compete with the KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES. Its extensive menu of standardized optional features is yet another advantage in cost considerations.
• KOFLOC Dependability
KOFLOC has 60 years of experience in manufacturing precision flow instruments. KOFLOC products, both standard and off-catalog custom items are well received throughout Japan as the name that manifests confidence. KOFLOC, the fluid expert, is the name professionals trust in precision control of minute flow.
• Standardized Dimensions and Parts
The KOFLOC Mass Flow Meter MODEL 3760 SERIES retains the standard 3 in (76 mm) footprint, regular fittings and SEMI standard serial connector to easily replace and fit into existing gas lines without any modifications for use in widest possible applications.
• Quick Response
The KOFLOC Mass Flow Meter MODEL 3760 SERIES is equipped with the new improved constant current thermal differential sensor, achieving quick full-scale response of 2 s or less.
•Versatility
The KOFLOC Mass Flow Meter MODEL 3760 SERIES is in wide use in many industries and applications as the standard model of mass flow meter, including R&D at labs and universities. The MODEL 3760 is also capable of meeting unique needs as the mass flow meter in industrial applications, including vacuum system, analyzing equipment and more.
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KOFLOC Mass Flow Meter MODEL 3760 SERIES may be used for the following gases.
Medium (gases): Actual gas calibration is available for the gas listed
Air
Argon Ar
Carbon dioxide CO2
Helium He
Hydrogen H2
Nitrogen N2
Oxygen O2
Medium (gases): N2 equivalent conversion factor (CF) is used for the gas listed. Contact KOFLOC for the availability of actual gas calibration.
Acetylene (Ethyne) C2H2
Ammonia NH3
Arsine AsH3
Boron trichloride BCl3
Boron trifluoride BF3
Butadiene (1,3-) C4H6
Butane C4H10
Butene (1-) C4H8
Butene (2-) (Cis) C4H8
Butene (2-) (Trans) C4H8
Carbonylsulfide COS
Carbon monoxide CO
Chlorine Cl2
Cyanogen C2N2
Cyclopropane C3H6
Deuterium D2
Diborane B2H6
Dichlorosilane SiH2Cl2
Dimethylamine C2H6NH
Dimethylether C2H6O
Disilane Si2H6
Ethane C2H6
Ethylene (Ethene) C2H4
Ethylchloride C2H5Cl
Freon-113 C2Cl3F3
Freon-114 C2Cl2F4
Freon-115 C2ClF5
Freon-116 C2F6
Freon-12 CCl2F2
Freon-13 CClF3
Freon-13B1 CBrF3
Freon-14 CF4
Freon-22 CHClF2
Freon-C318 C4F8
Hydrogen bromide HBr
Hydrogen chloride HCl
Hydrogen cyanide HCN
Hydrogen iodide HI
Iso-Butane C4H10
Isobutylene (Isobutene) C4H8
Krypton Kr
Methane CH4
Methylbromide CH3Br
Methylmercaptan CH3SH
Monomethylamine CH3NH2
Neon Ne
Nitric oxide NO
Nitrous oxide N2O
Ozone O3
Pentane C5H12
Phosgene COCl2
Phosphine PH3
Propane C3H8
Propylene (Propene) C3H6
Silane SiH4
Sulfur dioxide SO2
Sulfur hexafluoride SF6
Trimethylamine C3H9N
Xenon XeKOFLOC Mass Flow Meter MODEL 3760 SERIES may NOT be used for the following gases.
Medium (gases)
Bromine pentafluoride BrF5
Carbon disulfide CS2
Chlorine trifluoride ClF3
Cyanogen chloride ClCN
Dibromo difluoromethane Br2CF2
Ethylene oxide C2H4O
Fluorine F2
Freon-11 CCl3F
Freon-21 CHCl2F
Hydrogen fluoride HF
Hydrogen sulfide H2S
Methylchloride CH3Cl
Nitrogen dioxide NO2
Nitrogen trifluoride NF3
Vinylchloride C2H3Cl
Vinylfluoride C2H3FNote: If you did not find the right gas, please contact KOFLOC for more information.
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• Numerous Variants
A room for customization at a reasonable cost is the description that sums up the KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES. The MODEL 3760 SERIES has gained wide acceptance and solid reputation for its flexibility. It is in use throughout laboratories, universities and foundries, in both its original and customized variants.
• Low-Cost
If the cost effectiveness is the decisive factor in choosing the right mass flow controller for you application, few can compete with the KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES. Its extensive menu of standardized optional features is yet another advantage in cost considerations.
• KOFLOC Dependability
KOFLOC has 60 years of experience in manufacturing precision flow instruments. KOFLOC products, both standard and off-catalog custom items are well received throughout Japan as the name that manifests confidence. KOFLOC, the fluid expert, is the name professionals trust in precision control of minute flow.
• Standardized Dimensions and Parts
The KOFLOC Mass Flow Meter MODEL 3760 SERIES retains the standard 3 in (76 mm) footprint, regular fittings and SEMI standard serial connector to easily replace and fit into existing gas lines without any modifications for use in widest possible applications.
• Quick Response
The KOFLOC Mass Flow Meter MODEL 3760 SERIES is equipped with the new improved constant current thermal differential sensor, achieving quick full-scale response of 2 s or less.
•Versatility
The KOFLOC Mass Flow Meter MODEL 3760 SERIES is in wide use in many industries and applications as the standard model of mass flow meter, including R&D at labs and universities. The MODEL 3760 is also capable of meeting unique needs as the mass flow meter in industrial applications, including vacuum system, analyzing equipment and more.
TOP
KOFLOC Mass Flow Meter MODEL 3760 SERIES may be used for the following gases.
Medium (gases): Actual gas calibration is available for the gas listed
Air
Argon Ar
Carbon dioxide CO2
Helium He
Hydrogen H2
Nitrogen N2
Oxygen O2
Medium (gases): N2 equivalent conversion factor (CF) is used for the gas listed. Contact KOFLOC for the availability of actual gas calibration.
Acetylene (Ethyne) C2H2
Ammonia NH3
Arsine AsH3
Boron trichloride BCl3
Boron trifluoride BF3
Butadiene (1,3-) C4H6
Butane C4H10
Butene (1-) C4H8
Butene (2-) (Cis) C4H8
Butene (2-) (Trans) C4H8
Carbonylsulfide COS
Carbon monoxide CO
Chlorine Cl2
Cyanogen C2N2
Cyclopropane C3H6
Deuterium D2
Diborane B2H6
Dichlorosilane SiH2Cl2
Dimethylamine C2H6NH
Dimethylether C2H6O
Disilane Si2H6
Ethane C2H6
Ethylene (Ethene) C2H4
Ethylchloride C2H5Cl
Freon-113 C2Cl3F3
Freon-114 C2Cl2F4
Freon-115 C2ClF5
Freon-116 C2F6
Freon-12 CCl2F2
Freon-13 CClF3
Freon-13B1 CBrF3
Freon-14 CF4
Freon-22 CHClF2
Freon-C318 C4F8
Hydrogen bromide HBr
Hydrogen chloride HCl
Hydrogen cyanide HCN
Hydrogen iodide HI
Iso-Butane C4H10
Isobutylene (Isobutene) C4H8
Krypton Kr
Methane CH4
Methylbromide CH3Br
Methylmercaptan CH3SH
Monomethylamine CH3NH2
Neon Ne
Nitric oxide NO
Nitrous oxide N2O
Ozone O3
Pentane C5H12
Phosgene COCl2
Phosphine PH3
Propane C3H8
Propylene (Propene) C3H6
Silane SiH4
Sulfur dioxide SO2
Sulfur hexafluoride SF6
Trimethylamine C3H9N
Xenon XeKOFLOC Mass Flow Meter MODEL 3760 SERIES may NOT be used for the following gases.
Medium (gases)
Bromine pentafluoride BrF5
Carbon disulfide CS2
Chlorine trifluoride ClF3
Cyanogen chloride ClCN
Dibromo difluoromethane Br2CF2
Ethylene oxide C2H4O
Fluorine F2
Freon-11 CCl3F
Freon-21 CHCl2F
Hydrogen fluoride HF
Hydrogen sulfide H2S
Methylchloride CH3Cl
Nitrogen dioxide NO2
Nitrogen trifluoride NF3
Vinylchloride C2H3Cl
Vinylfluoride C2H3FNote: If you did not find the right gas, please contact KOFLOC for more information.
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Features
Rohs compliance
CE mark
SEMI standard connections
SUS316L stainless steel
Compact & Low-Cost
Standard dimensions and fittings for easy replacement
Free mounting position
Wide selection of fittings, seals, wetted materials and communication interfaces
Easy maintenance
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CE mark
SEMI standard connections
SUS316L stainless steel
Compact & Low-Cost
Standard dimensions and fittings for easy replacement
Free mounting position
Wide selection of fittings, seals, wetted materials and communication interfaces
Easy maintenance
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Applications
Air sampling
Analyzer component
Bioreactor
Biotechnological process
Burn control
CCFL manufacturing
Chamber pressure control
Chemical process
Environment monitoring
Electronic device manufacturing
Food production
Fuel cell testing
Fermentation process
Gas blending
Gas distribution
Gas flow monitoring
Gas generation
Industrial furnace
Leak testing
Pharmaceutical process
Pollution monitoring
Process flow control
R&D
Solar power element manufacturing
Secondary calibration reference
Semiconductor process
Surface treatment process
Thermal flame spray
Thin film manufacturing
Vapor deposition
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Analyzer component
Bioreactor
Biotechnological process
Burn control
CCFL manufacturing
Chamber pressure control
Chemical process
Environment monitoring
Electronic device manufacturing
Food production
Fuel cell testing
Fermentation process
Gas blending
Gas distribution
Gas flow monitoring
Gas generation
Industrial furnace
Leak testing
Pharmaceutical process
Pollution monitoring
Process flow control
R&D
Solar power element manufacturing
Secondary calibration reference
Semiconductor process
Surface treatment process
Thermal flame spray
Thin film manufacturing
Vapor deposition
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| Flow range(at N2 calibration condition) | 10SCCM-20SLM/3760 30SLM-150SLM/3765 | |
|---|---|---|
| Response | 2 sec. or less(typical) | |
| Accuracy | Within ±1.5% F.S.(Within ±2% F.S.) | |
| Proof pressure | 980kPa | |
| Leak rate | 1x10-8 Pa-m3/s or less | |
| Operating temperature | 5°C-45°C(Accuracy guaranteed at: 15°C-35°C) | |
| Materials of parts in contact with gases | Body: SUS316L Sealing material:Viton(option),Neoprene | |
| Joint | Standard: 1/4 SWL(3/8 SWL) Option: 1/8SLM,1/4VCR,Rc1/4,others | |
| Electric connection | Dsub 9-pin male connector per KFC standard | |
| Flow output signal | 0-5VDC | |
| Required power | +15VDC(±5%) 100mA-15VDC±5% 100mA | |
Harness Layout
Pin Assignment of Dsub 9-pin Connector per KFC Standard
| Pin No. | Signal | Pin No. | Signal |
|---|---|---|---|
| 1 | NC | 6 | NC |
| 2 | Flow output 0-5V | 7 | Flow output COM |
| 3 | +15 VDC Power source | 8 | NC |
| 4 | Power source COM | 9 | NC |
| 5 | -15 VDC Power source |





