LAISON Prepaid and Mobile Vending Solutions

Collecting Water Revenue in time from End-user becomes one of the headache for Water Authority, which leads to the high Non-revenue Water (NRW).
In order to solve this problem, LAISON designs Prepaid Water Meter Solution which requires to pay before you consume, by integrated valve inside the prepaid water meter, the water supply will be cut off when purchased water in meter is consumed up until next meter recharge operation.
It enables the Water Authority to collect water revenue fully in advance and no need to collect the meters' data manually at site, which dramatically reduce the labor cost and improve the working efficiency.
LAISON provides different Prepayment Solution basing on different Water Credit Transfer way, includes:
1) Smart Card Type Prepaid Water Meter
2) Split Type STS Prepaid Water Meter
3) Smart Card Type STS Prepaid Water Meter
Moreover, aims to making the water vending much more convenient, LAISON designes Mobile Vending Solution by Android APP through POS (Point of Sale), avoid heavy investment in establishment of traditional Vending Points for Water Authority. And by integrating to local E-payment Platfrom, it makes the self-service of water purchase possible.

1. Smart Card Type Prepaid Water Meter
LAISON Smart Card Prepaid Water Meter Solution adopts Philip Mifare S70 Cad (Contactless Card with 4k Memory) as the water credit transfer media, which ensures the bi-directional communication between Vending System and Prepaid Water Meter.
End-user could purchase water at Vending Points or Appointed Vendor through POS or even self-service by a Smart Mobile Phone with NFC Function to transfer the water credit into Customer Card and then put it to meter for recharge.
Basic working process for Smart Card Prepaid Water Meter Solution as follows:


2. Split Type STS Prepaid Water Meter
The STS (Standard Transfer Specification) is an Open Architecture initially introduced in South Africa in 1993, for the transfer of electricity prepayment tokens. Subsequently published by the IEC (International Electrotechnical Commission) as an Internatioanl standard IEC62055-41,51
Now it also becomes popular for Water & Gas Meters with advantages of Compaibility and Easy Data Transfer
Basic working process for Smart Card Prepaid Water Meter Solution as follows:

3. Smart Card Type STS Prepaid Water Meter
By combining the Smart Card Type Prepaid Solution and STS Prepaid Solution, it could take full advantages from both solution and abandon the disadvantages.
It could realise easy data (Water Credit / Volume) transfer for meter recharge via 20 digits token and ensures the bi-directional communication between Vending System and Prepaid Water Meter by Philip Mifare S70 Card.
Basic working process for Smart Card Prepaid Water Meter Solution as follows: