Basic functions:
-Computerized management and billing by gas supply companies
-Prepayment of bills with computer technology and IC card to prevent long-term arrears
-When water flow exceeds the maximum flow rate, the built-in valve will be automatically closed
-Effective anti-theft design

Main features:
-It can automatically measure water flow with CPU card or logic card
-LCD (liquid crystal display) and alarm
- The built-in ball valve and the driving motor works reliably and effectively
-Special technology ensures no worry about IC card copy
-Built-in solid data memory records all running data
-Anti-theft designs: anti-magnetic interruption, power break protections
-Low energy consumption design

Technical data:
-Basic meter: diaphragm gas meter G1.6, G2.5, G4 in conformity with EN 1359--1998 standard
-Working power: 4 alkali batteries
-Working voltage: DC6V
-Stable working current: less than 100 uA
-Maximum open circuit voltage: less than DC 6.6V
-Maximum short circuit current: less than DC1.5 A
-IC card write times: 100.000
-Data retaining duration: more than 10 years

Main technical data

Type	Cyclic volume	Qn	Qmax	Qmin	Qs	Min. reading	Max. reading
	dm3 at Tb=15℃	m3/h			dm3/h	dm3	dm3
G1.6	1.2	1.6	2.5	0.016	2	0.2	99999.999
G2.5	1.2	2.5	4	0.025	2	0.2	99999.999
G4	1.2	4	6	0.04	2	0.2	99999.999

Dimensions and weight

Type	A	B	C	D	E	M	Weight
mm						Kg
G1.6	110	222	196	66.5	163.5	3/4"  1 1/4"	1.9

Error Curve