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Thermal Mass Flow Meter
 
       
 
 

Thermal Mass Flow Meter

Model: THF Series
Mass Flowmeters with or without LCD Display

  • Accuracy: ±1% of full scale including linearity
  • Repeatability: ±0.15% full scale or better
  • Turndown Ratio: 100:1
  • Response Time: 1 second
  • Gas Ambient Temperature: 0 to 60°C
  • Temperature Coefficient: 0.05% full scale per 1°C or better
  • Pressure Coefficient: 0.01% full scale per PSI or better
  • Minimum Pressure Requirements: Meters: 1 inch of H2O
  • Maximum Gas Pressure: 500psi–SS316
  • Leak integrity: 1 x10-6 cc⁄min of He or better
  • Wetted Parts: 316 SS, Viton® O-rings
  • Connections: 1⁄2” NPT(F) standard
  • Input/Output Connection: 9-pin sub-D connector
  • Output signal: Linear 0-5 Vdc,1000 ohms min load, 4-20 mA, 500 ohms loop resistance
  • Input Power: Meters: 24 Vdc @ 300 mA, 115 Vac, 220 Vac with ac adaptor
  • Weight: 2.6 kg with power supply
 
         
 
  Model: TMF Series
Mass Flowmeters with or without LCD Display
  • Accuracy: ±1% of full scale including linearity
  • Repeatability: ±0.15% full scale or better
  • Turndown Ratio: 100:1Response Time: 1 second
  • Gas Ambient Temperature: 0 to 60°C
  • Temperature Coefficient: 0.05% full scale per 1°C or better
  • Pressure Coefficient: 0.01% full scale per PSI or better
  • Minimum Pressure Requirements: Meters: 1 inch of H2O
  • Maximum Gas Pressure: 500psi–SS316
  • Leak integrity: 1 x10-6 cc⁄min of He or better
  • Wetted Parts: 316 SS, Viton® O-rings
  • Connections: 1/2” NPT(F), standard
  • Input/Output Connection: 9-pin sub-D connector
  • Output signal: Linear 0-5 Vdc,1000 ohms min load, 4-20 mA, 500 ohms loop resistance
  • Input Power: Meters: 24 Vdc @ 300 mA, 115 Vac, 220 Vac with ac adaptor
  • Weight: 1.8 kg with power supply
 
       
 
  Model: TSF Series
Mass Flowmeters with or without LCD Display
  • Accuracy: ±1% of full scale including linearity
  • Repeatability: ±0.15% full scale or better
  • Turndown Ratio: 100:1
  • Response Time: 1 second
  • Gas Ambient Temperature: 0 to 60°C
  • Temperature Coefficient: 0.05% full scale per 1°C or better
  • Pressure Coefficient: 0.01% full scale per PSI or better
  • Minimum Pressure Requirements: Meters: 1 inch of H2O
  • Maximum Gas Pressure: 500psi–SS316
  • Leak integrity: 1 x10-6 cc⁄min of He or better
  • Wetted Parts: 316 SS, Viton® O-rings
  • Connections: 3⁄4” NPT(F), standard
  • Input/Output Connection: 9-pin sub-D connector
  • Output signal: Linear 0-5 Vdc,1000 ohms min load, 4-20 mA, 500 ohms loop resistance
  • Input Power: Meters: 24 Vdc @ 300 mA, 115 Vac, 220 Vac with ac adaptor
  • Weight: 6.8 kg with power supply
 
       
 
  Model: TLFC Series
Mass Flow Controllers with or without LCD Display
  • Accuracy: ±1% of full scale including linearity
  • Repeatability: ±0.15% full scale or better
  • Turndown Ratio: 100:1
  • Response Time: 1 second
  • Gas Ambient Temperature: 0 to 60°C
  • Temperature Coefficient: 0.05% full scale per 1°C or better
  • Pressure Coefficient: 0.01% full scale per PSI or better
  • Minimum Pressure Requirements: Meters: 1 inch of H2O
  • Maximum Gas Pressure: 500psi–SS316
  • Leak integrity: 1 x10-6 cc⁄min of He or better
  • Wetted Parts: 316 SS, Viton® O-rings
  • Connections: 1⁄4” NPT(F), standard
  • Input/Output Connection: 9-pin sub-D connector
  • Output signal: Linear 0-5 Vdc,1000 ohms min load, 4-20 mA, 500 ohms loop resistance
  • Input Power: Meters: 24 Vdc @ 300 mA, 115 Vac, 220 Vac with ac adaptor
  • Weight: 1.25 kg (2.75 lb) with power supply
 
       
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