RF IC Card Smart Diaphragm Prepaid Natural Gas Meter G2 . 5 With Remote Control 1. Features: International standard M1 card prepaid, one card for one ...
Card Prepayment Diapharam Gas Meter with Aluminum Body Case For AMR System Specifications: Use imported diaphragms to ensure the quality of products. ...
Photoelectric Directing Reading Prepaid Gas Meter for the AMR/AMI System Working Theory and Features: Measures gas volume by using pressure difference ...
G4 IC Card Prepaid Gas Meter Anti Theft Design For AMR / GPRS Wireless The new IC card intelligent prepaid gas meter is convenient for gas management ...