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Flow Totalizer

Flow Totalizer Upgrade

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Flow TotalizerThis multi-gas flow totalizer feature is FREE to all QuadraTherm 640i/780i customers.  This is a very powerful flow totalization feature in your instrument's Smart Interface Program (SIP) software.  End-users now have an efficient management tool to accurately totalize and monetize gases.

Watch "How it Works" Video

Key Customer Benefits

With the totalizer feature, end-users can now manage totalization of ALL gases:

  • View the totalized value of multiple gases
  • Totalize up to four gases with one device and software package
  • Set units per pulse and pulse width
  • Turn totalizers on/off
  • Reset totalizer

There are four totalizers visible on the interface screen.  The user selects one to be active. Each totalizer is independent of the others, allowing users to totalize one gas, then switch to and totalize another gas, then switch back to the previous gas and pick up where they left off or reset if necessary.

How to Get the Flow Totalizer
New Customers: Starting September 3, 2013 (firmware 1.0.74 or higher), all 640i/780i products include the totalization feature on the software program. This feature is FREE of charge.

Existing Customers: Flowmeters shipped prior to September 3, 2013 (firmware 1.0.73 or lower) will need to send their meters back to the factory for a FREE firmware upgrade which activates the feature.  Please return instrument to Sierra via the Return Materials Authorization(RMA) process.


Supported Products

Product Related Documents & Downloads


  File Title Version Release Date
  640i/780i Flow Totalizer Instruction Manual V.1 09/24/2013
  QuadraTherm 640i/780i Series Instruction Manual V12 03/18/2015


  File Title Version Release Date
  QuadraTherm 640i /780i Series Technical Datasheet V16 03/18/2015


  File Title Version Release Date
  640i/780i Flow Totalizer Instruction Manual V.1 09/24/2013
  QuadraTherm 640i/780i Series Product Software Smart Interface 03/12/2015
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* Limited time online offer only for in-stock 620S FastFlo and 620S BoilerTrak flow meters only. For online purchases only. No coupon required. Offer expires March 31, 2015 at 5pm PST.