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Chint Instruments
This gas meter is an intelligent prepaid flow metering instrument. It uses an ultra-low power 32-bit microcontroller and dual data encryption interaction between CPU card and ESAM to improve the security of product data. At the same time, it has the advantages of strong magnetic interference resistance, button inquiry, IC card checkpoint anti attack, high reliability, strong confidentiality, beautiful appearance, accurate measurement, high sensitivity, etc. It is suitable for gas metering and charging control of natural gas and liquefied petroleum gas.
Using a CPU card, the meter and card are in a one card one meter configuration
● The maximum allowable purchase gas volume can be set to avoid users hoarding gas in large quantities and reduce losses caused by gas price fluctuations for gas operators
● Alarm gas volume and pre closing valve gas volume parameters can be set to prompt users that the remaining gas volume in the table is insufficient and to purchase gas volume in a timely manner
Overdraft gas function (optional)
● Information such as insufficient remaining gas and low battery voltage will be prompted in Chinese, with an intuitive interface
Dual sensor counting mechanism coexists to avoid gas metering loss and sensor fault detection
● Multi function button (optional), which can realize functions such as information inquiry, fault valve opening, etc
Low static power consumption and long battery life
The control module is sealed to effectively prevent the influence of kitchen moisture and oil fumes
Using CPU cards for user data storage and operation, data reading and writing on the CPU card require a matching key authentication device to ensure data security and reliability
Adopting dual data encryption interaction between CPU card and ESAM, with high confidentiality of data transmission, to prevent data theft and tampering