LAISON Infrared Split Type STS Prepayment Gas Meter System (Hereafter referred as IR STS Gas Meter) consists of smart gas meter and separate IR Token Pad. By applying the IR STS Gas Meter System, customers could recharge meter and inquire info. at home by inputting corresponding token in IR token pad conveniently. It is compatible with ZGS prepayment gas meter, which comply with OIMLR49, and conforms to STS standard protocol.
Nominal flow Qn(m3/h)
Maximum flow Qmax(m3/h)
Minimum flow Qmin(m3/h)
Total pressure loss (Pa)
Working pressure (kPa)
0.5 kPa~50 kPa
Cyclic Volume (dm3)
Minimum reading of the counter (dm3)
Maximum reading of the counter (m3)
G1’1/4 or G 3/4 etc.
1. Meter Recharge
1) Get a 20-digits token after purchasing gas. 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 gas Warning Function is optional in IR STS gas Meter. By inputting corresponding token, alarm value can be set. When remaining gas 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 gas Meter. By inputting corresponding token, Overdraft value can be set. When remaining gas 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)Magnetic Interference 2)Insufficient battery voltage 3)Meter Restart Customers could open valve again if remaining gas 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.
We Hangzhou LAISON technology Co. Ltd. is located in Hangzhou China.The main import and export business focus on water meter,gas meter,energy meter and meter test equipment
LAISON technology was established in 2012.It is a high integrated high tech enterprise with the research,production,sales and service as a whole.
LAISON technology continues to improve Quality System Management.All the meters are manufactured in compliace with international standard,which ensure the legitimacy and quality of products staility.
With the mission of "customer first,qualiy first,reputation first,service first''.LAISON technology attaches great importance to the technology innovation and the improvement of quality systemad provide warmhearted service to satify customers.
Why choose us?
The quality we provide——outstanding quality assurance.
The service we provide——we take care of your order.
Depending on our our company's powerful R&D team,efficient production management,topping service system and scientific market strategy.We will always be your ideal partner,let us join hands together to create brilliant.
Warranty ( 24 months warranty )
1. The warranty starts from the delivery date from our factory;
2. During the warranty, any defective product will get repaired or replaced for free ;
3. It is beyond the warranty as the products breaked by the violence , the carelessness or repaired , altered without authorization.