Malawi STS Keypad-input Type IP57 Protection Prepaid Water Meter Cost Effective

The CAW-K series is an STS (Standard Transfer Specification) compliant, electronic valve controlled, prepayment water meter. It is the basic but most money-counts type of prepaid revenue controller for small utilities and service providers. It is built with a 4x3 keypad and motor driven ball valve. Customer can topup by entering recharge token codes via keypad and the meter shuts off when credit drops to zero or any pre-programmed level. With CAW-K series you are assured of continuously good metrology and revenue protection at the same time.The battery lasts 3 years and is replaceable by authroized technicians.

As STS standard is operating with codes, the recharge tokens can be transferred and distributed wirelessly. Mobile payment, online payment can be utilized to vend. Customers purchase credit with their mobile devices 24 x 7 at anytime. The recharge code is unique and only can be accepted by the specific meter.

Features

a) Multi-platform payment intergration vending through SMS, POS, online, bank ATM, etc

b) Shut down when credit exhaust or tamper is detected

c) Can be managed and vended along with prepayment electricity meter

d) Low battery valve close

e) Low credit warning valve close

f) Over 10 years’ data storage in absence of power

g) LCD display and counter

Key benefits

1) Money counts and easy to install

2) Easy vending for both utility and consumers

3) Easy setting on tariff on vending management system

4) Can be set for free water units, overdraft, low credit warning level

5) Can be extended for AMR AMI smart metering applications, meter readouts

6) Reduced operational and inventory cost and instant investment back

Specifications:

Maximum Permission Error (MPE)

Q1≦Q≦,Q2 MPE =+ 5% Q2≦Q≦Q4, MPE= + 2% (For hot water metering, MPE=+ 3%)

Dimensions and diagram

Calin, as derived from China League of Innovation, dates  back to the year 2006  when our team developed the new generation of CPU card electronic prepaid kilo-watt hour meter for China State Grid. Now there are over 1,000,000 pcs this type of smart prepayment electric meters operating  as key revenue protection devices for utilities and service providers in and out of China. 

Each member of Calin R&D team  ever served in top rank Chinese meter companies and contributed to the rapid development of smart metering industry in China. With vast forefront field experience and expertise, Calin offer a broad metering product range, comprising of conventional electric meters, water meters, prepaid meters, wireless communication meters, vending and management systems, AMR / AMI smart metering solutions, consulting, training and support.

Calin is the forerunner of prepaid metering industry in China. Our products and solutions are all developed on the concept of revenue protection and better management, and thus enjoy very high reputation in the industry. Even now China is supplying components, complete products as in OEM, and meter electronic design to many other meter manufacturers. With this OEM and trade partners, Calin’s business has expannded to over 30 countries and regions worldwide. 

To share with our clients the benefit from our constant innovation and commit to our clients’ request is Calin’s forever unchanging principle. Running away from responsibility is always condemed. Calin will keep servicing our clients with our best innovation and commitment to create best mutual benefit.