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Water Meter Data Sheets Explained - ISO 4064:2005

By Admin on Fri 10 February 2017 in Water Meter FAQ's and Information

We explain what information can be found on water meter ISO 4064:2005 data sheets and how to select the best water meter for your requirements.  

 

Beta Valve Systems Ltd offer a wide range of water meters to suit domestic, commercial or industrial environments. We offer a variety of types and classes to meet the requirements of a range of applications and different water supplies. Please contact our Sales Department for advice on the most suitable meter for your installation.

Definitions
water meter data sheet extract

1. Q4 - Maximum Flow Rate - The highest flow rate at which the meter accuracy will be within the maximum permitted error.

2. Q3 - Nominal Flow Rate - The designation flow rate of the meter.

3. Q2 - Transitional Flow Rate - The flow rate at which the maximum permitted error of the meter changes.

4. Q1 - Minimum Flow Rate - The lowest flow rate at which the meter accuracy will be within the maximum permitted error.

5. Accuracy between Q1 to Q2 - Maximum Permitted Error from Q1 to Q2 ± 5%

6. Accuracy between Q2 to Q4 - Maximum Permitted Error from Q2 to Q4 ± 2%