Split type Prepaid Water Meters

STS Prepaid Water Meter Class C RF communication Split type CIU Africa European standard ​ 

Calinmeter's latest CA568  is a multi-jet STS compliant smart prepaid water meter.  Built in accordance with latest international standards tyipically required in European and African market, the meter works with a battery driven latched valve with over 10,000 open & shut rounds.  The CA568 smart prepaid water meter is guarantee of continuously good metrology and revenue protection as well. The meter is available with wet, dry dial or semi-dry dial type on request.

A wireless CIU (customer interface unit) is available as an expansion keypad of the smart meter. The CIU is installed within customer’s house and the meter is installed  away out of the customer's reach. All prepaid metering takes place with the meter only, CIU only offers token input and info check such as token acceptance and rejection, credit status, historical usage data  

This split design makes the meter immune to any tamper and fraud on CIU side.The meter is adopted with LoRa technology, allowing the meter to communicate with a Customer Interface Unit (CIU) or a head-end Server (HES) from a visual distance up to 2 miles. 

To top-up or recharge the water meter, a consumer just need to purchase 20 digits'  credit token from the vendor and punch in the code with the CIU. 

Features

a) DN15, 20 and 25 up to 150

b) Low credit warning

c) Valve shut-off on tamper detection

d) Up to 2 miles communication range

e) Strainer inlet

f)  Usage limit setting  

g) Non-return valve

h) Over 10 years’ data retention in absence of power

i) Prepared for AMR / AMI functions (optional)

 Key benefits

1) Quick and easy installation, ideal for both new reticulation and retrofittings

2) High accuracy as Class C  measure each drop of the water you supply

3) Tamper proof

4) Setting for free basic water, emergency credit, low credit warning, debt collection rate

5) Supports drive-by reading and fully automated reading for AMI smart metering applications

Specifications:

Maximum Permission Error (MPE)

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

Dimensions and diagram