... 2)Dry-dial, magnetic driven 3)Vacuum sealed 4)ISO4064 class B ApplicationMeasuring the volume of cold (hot) water passing through the ... this range detachable without removing the meter from the pipeline;b)Dry-dial, magnetic driven,with sensitive action, small pressure loss ... and reliable characteristic;e)Technical data conform to ISO 4064 Class B.Working condition Water temperature: 0.1°C-40°C ( cold ...