Medidores pre-pago

IC card prepayment Plus GPRS wireless system
• Using the most advanced technology of Zigbee, GPRS, internet, computer; • Combining GPRS wireless system with IC card prepayment, realizing wirelesspricing, wireless valve turn on/off, or relay switch on/off; • This system is reliable and efficient.

Schematic diagram

• The computer online can read the meter, turn on/off valve or switchon/off relay (valve for water meter and gas meter, relay for electric meter); • The computer online can print bills with printer; • The computer online can re-charge the IC card with IC cardreader/writer; • The computer online can re-charge the meter through internet.

Gas meter system
IP Address: (for example) 222.139.154.70 Main office Intermediate

SIM Card

House centre

Concentrator(GPRS Modem) Supper market

Intermediate Bus station

Gas meter system consists of:
• • • • • • Gas meter, IC card and wireless Intermediate Concentrator (GPRS modem) Computer Card reader/writerComputer online with card reader/writer to be put in bank, house center, shopping center, bus station for convenience to re-charge

• Data transmission: wireless gas meter -> intermediate ->concentrator -> GPRS -> business center • Management: business center -> GPRS -> concentrator -> intermediate -> wireless gas meter • • Technical data: • frequency: 2.4 - 2.488 GHz free frequency band.

•theoretically efficient distance is 2 km, actual use max distance is 1.2 km, i.e. 1.2 km from meter to intermediate, 1.2 km from intermediate to intermediate, 1.2 km from intermediate/meter toconcentrator. • one SIM card for concentrator to set up the connection to GPRS. • meter reading can be done through laptop on line anywhere in the world.

Gas Meter G1.6, G2.5, G4
This type gas meter isdiaphragm gas meter used to measure the total consumed volume of natural gas, man-made gas, LPG, etc.

Features: . Steel case . Grey painted UV resistant, optional color white or as requested ....