LAISON Infrared Split Type STS Prepayment Water Meter System (Hereafter referred as IR STS Water Meter) consists of smart water meter and separate IR Token Pad. By applying the IR STS Water Meter System, customers could recharge meter and inquire info. at home by inputting corresponding token in IR token pad conveniently.
It is compatible with both velocity and volumetric type water meter, which comply with OIMLR49, ISO4064. and conforms to STS standard protocol.
0.1ºC ~ 50ºC
Max. working pressure
Rated working voltage
Static working current
1) Get a 20-digits token after purchasing water.
2) Hold the “Power Key” on IR Token Pad for 2 seconds to wake up the meter,
3) Aim the IR Token Pad to the IR Receiver window on meter, input the 20-digits token successively;
4) Press “Enter Key” after inputting 20-digits token correctly. The LCD will display the operation result.
If recharge successfully, LCD will display purchase amount, consumed amount etc. Successively.
If recharge failed, LCD will display error codes correspondingly. Detail error code, please see Appendix 1;
2. Meter‘s Parameter Setting
2.1 Alarm Value
Insufficient Water Warning Function is optional in IR STS Water Meter.
By inputting corresponding token, alarm value can be set.
When remaining water in meter reaches this value, buzzer will beep and LCD show UN01 to remind customers to recharge meter in time; Valve can be opened again by inputting inquiry token “12 + Enter Key” or 20-digits Clear Event Token provided by Authority Operator,
2.2 Overdraft Value
Overdraft function is optional in IR STS Water Meter.
By inputting corresponding token, Overdraft value can be set.
When remaining water in meter becomes 0, customers could open valve to enter into overdraft function by inputting inquiry token “12 + Enter Key” or 20-digits Clear Event Token provided by Authority Operator
2.3 Clear Event State
In order to prevent external tamper to meter, Meter’s valve will be closed automatically when following events happens:
1)Meter’s cover open illegally
3)Insufficient battery voltage
Customers could open valve again if remaining water in meter > 0 by inputting inquiry token “12 + Enter Key” or 20-digits Clear Event Token provided by Authority Operator;
2.4 Meter Reset
All the customer information in meter including Purchased Volume, Consumed Volume, Meter Event Records etc. will be cleared if 20 digits Meter Reset Token is input; By which operation, it will make meter back to Factory Mode.
Also, it will reset the Encryption key of meter, which means the tokens produced before are no longer valid.
2.5 Parameter Inquiry
Customers could input a 2 digits inquiry token to check detail information in meter.
The inquiry operation is similar to recharge which just needs to input 2-digits rather than 20-digits token.
Hangzhou LAISON technology Co. Ltd. is one of the national large-scale manufacturers who is focusing on building metering, energy saving & control product development and production, and providing professional system solutions for the customers. Our company has advanced technology, innovative R & D team, fully equipped production base and perfect quality inspection system.
As one of the important leaders in metering industry, LAISON holds world’s leading technology and offer the high-quality products and services to customers worldwide.
Our products are exported to Europe, Southeast Asia, South America, South Asia, Africa, the Middle East and other countries and areas.
1. How is your price?
Although we have brand-name products,our prices are very favorable and competitive.Because of our best price, customers from all over the world come to purchase our products.
2. How long is your warranty?
Our Warranty is 12 month.
3. Could you specially design and produce for clients?
Sure, we have all kinds of professional engineers.We can design and produce special products according to customers' request.Such as: special size, special control, OEM, etc.
4. What’s the MIDAS main market?
Our main market is African, Middle East Countries, South American, Asian.