The CG-L-JBD1.6/2.5/4-ZN series IC card household membrane gas meter and its supporting software management system are a series of high-tech products from Zhongneng Company.This series of products can fundamentally solve the problem of difficult household meter reading and overdue gas fees, and can achieve modernization of urban gas management and convenience of daily gas consumption for residents. Especially after the CG-L-ZN-C series products of Zhongneng Company were launched into the market, they immediately caused a strong response and won the applause of users.Becoming the first high-tech electromechanical integrated product in China. Its compact and beautiful appearance, practical and reliable functions, and optimal cost-effectiveness all rank first among similar products in China.

Main functions:
★ Dual screen prompt and display function
★ Gas prepayment and gas usage control function
★ Data retention and recovery function

★ Gas accumulation function
★ Voltage detection and low voltage valve closing function
★ Automatic valve closing function upon power loss
★ Insufficient gas volume prompt function
★ Anti theft function
★ Pre order gas with zero closing valve function
★ Card slot anti metal sheet attack function
★ Anti strong magnetic interference attack function
★ User card usage realizes the function of information feedback voltage lag
★ It has the function of preventing voltage hysteresis of lithium batteries

Technical parameters:

Measurement level: B level
Total pressure loss ≤ 250Pa
Power supply and voltage: Industrial battery 3.0V x 1 cell; DCU=3.0V
Battery lifespan: ≥ 1 year
Static working current: 1 ≤ 12uA
Maximum operating current: 1 ≤ 200mA
Data retention time t ≥ 10 years
IC card insertion and removal times n ≥ 105 times
The number of times the actuator has worked without faults is n ≥ 105 times (continuous test)

Operating environment and gas source medium:

Working environment: -10 ℃ -45 ℃
Relative humidity: ≤ 95%
Liquefied petroleum gas, natural gas, artificial coal gas, biogas

Execution standards:

Household Membrane Gas Meter GB/T6698-1997 (Class B)
IC Card Household Membrane Gas Meter CJ/T112-2000