предоплаты метр коммерческий газ

prepaid commercial gas meter Feature: 1, large flow 2, steel case, easy to install 3, prepaid, free-home meter reading 4, data storage, replace the batteries without losing data 5, machinery counter display the accumulate gas, liquid-crystal display the surplus gas 6, quite safe and reliable 7, steelshell Technical data: Nominal flow-rate:6M3/H, 10M3/H, 16M3/H, 25M3/H, 40M3/H, 65M3/H, 100M3/H Measuring accuracy: B grade Operation ambient temprature: -10degree 50 degree Max pressure of working: 10kPa Pressure lose:<200Pa Display distinguishability:0.01M3 Meter lifespan:>=15 years Standard: GB/T6968-1977<Diaphragm gas meter>...