Single-jet, vane wheel, dry-dial water meter (Best small with eight number wheels) Magnetic drive, ... , dry-dial, free rotating register, small in size and light in weight,--Magnetic drive, Resistance to exterior magnet ... ISO 4064 class B standard.Working condition:--Water temperature: 0.1°C~40°C--Water pressure : ≤1.0Mpa main technical ... 5120300.000199,999LXDG-20M20B5.02.5200500.000199,999 water meter