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​THPS-400-100
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81-320​24 VDC Power Supply For Digital 300
Flow Service Plan Purchase two calibrations and receive a third free (unique to serial number; contact factory for pricing)​

 Overview

See Mass Flow in a Whole New Way!

The 300 Vue is our newest series of digital gas thermal mass flow instruments which provide accurate, fast and convenient gas measurement and control.  The color touchscreen display allows for local adjustments and monitoring of gas flow. Powerful and intuitive menus enable control of the gas flow in many ways.  The instrument can be installed and operating in seconds. Flexible custom flow instruments without the custom price or lead time. 

  • Color Touch Screen Display
  • Graphically View Flow
  • Multi-gas Calibrations                                                                                    
  • Sensor Diagnostics
  • Totalizer                                                                                                      ​​
  • Analog and Digital Output
    • 0-5VDC, 0-10VDC, 4-20mA
    • ​RS232, RS485, USB
  • Flow Capacity from 5 sccm to 10000 SLM
  • Fitting Options from Compression to Surface Mount
  • Metal and Elastomer Seal Available
  • Linear, Accurate, Flexible
  • Free Application Support ​

 Specifications

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300 Vue Series Digital Flow Meter 300 Vue Series Digital Flow Controller
​Range (N2)​ 
Low FLow 


Medium Flow 



High Flow 

HFM-D-300B (L): 0 - 5 sccm to 0 - 10 sccm
HFM-D-300B (H): 0 - 10 sccm to 0 - 25 slm

HFM-D-301B (L): 0 - 25 slm to 0 - 300 slm 
HFM-D-301B (H): 0 - 300 slm to 0 - 1000 slm
HFM-D-305B: 0 - 1000 slm to 0 - 2500 slm 

HFM-D-306B: 0 - 2500 slm to 0 - 10000 slm

HFC-D-302B (L): 0 - 5 sccm to 0 - 10 sccm 

HFC-D-302B(H): 0 - 10 sccm to 0 - 25 slm

HFC-D-303B(L): 0 - 25 slm to 0 - 300 slm 
HFC-D-303B(H): 0 - 300 slm to 0 - 1000 slm
HFC-D-307B: 0 - 1000 slm to 0 - 2500 slm 

HFC-D-308B: 0 - 2500 slm to 0 - 10000 slm
Accuracy + (0.5% of reading + 0.2% of full scale)+ (0.5of reading + 0.2% of full scale)
​Repeatability + 0.15% of full scale+ 0.15% of full scale
​Settling TimeTypically <1 secondsTypically <1 - 2 seconds
Analog I/O (Standard) ​0 - 5 VDC ​0 - 5 VDC
Analog I/O (Optional) 0 - 10 VDC, 0-20 mA, 4 - 20 mA
0 - 10 VDC, 0-20 mA, 4 - 20 mA
Digital I/O (Standard)​​RS-232, RS-485, USB ​RS-232, RS-485, USB 
​Analog Connector9-pin subminiature D​9-pin subminiature D
​Fittings Surface Mount, Swagelok®, VCO, VCR, NPT​
Surface Mount, Swagelok®, VCO, VCR, NPT​
Power Requirements
11 - 36 VDC @ 3.1 Watt (max), Unipolar or Bipolar (e.g. + 15, + 12 VDC) 11 - 36 VDC @ 3.1 Watt (max), Unipolar or Bipolar (e.g. + 15, + 12 VDC
Wetted Materials ​316L SS, Nickel 200, 304 SS, 302 SS​316L SS, Nickel 200, 304 SS, 302 SS, Kalrez® (Valve Seat)

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