タイトルまたは説明
FEATURE
â—†Liquid sealed type,small,light, 5 digits.
â—†Developed from wet type,mechanical driving,a pointer-roller
indicator,low starting flow rate & sensitive,the register
is Liquid sealed with special liquid,long term clear
reading.
â—†Particularly suited in lower quality water supply.
â—†Class C available for DN *5mm
WORKING PRINCIPLE
â—†Water passing through the water meter, causing the turbine to
turn.
STANDARD
â—† Water Meter: ISO ***4 Class A ISO ***4 Class B
MAXIMUM PERMISSIBLE ERROR
â—† In the lower zone from Qmin inclusive up to but excluding
Qt is ±5%
â—† In the upper zone from Qt inclusive up to and including Qs is:
water meter ±2%.
NOTE
1.Technical data conform to International Standard ISO***4
2.Both Class B and Class A is available. But Class B is popularly
used.
3.Horizontally installation can reach accuracy of Class B.But if
vertically installation reachs class A only.
ACCESSORIES
one meter with 2 pcs tubes,2 pcs nuts and 2 pcs gastkets for
coupling.