MAXIMUM PERMISSIBLE ERROR :
- In the lower zone from Q1 inclusive up to but excluding Q2 is ±5%
- In the upper zone from Q2 inclusive up to and including Q4 is ±2%
WORKING CONDITION :
- Water temperature :0°C ≤ t ≤ 30°C (for cold water meter), 0°C < t ≤ 90°C (for hot water meter)
- Water pressure : ≤1MPa
