[ Instrument Network Instrument Development ] Recently, the radio station of Henan Institute of Metrology has undertaken the NQI project satellite navigation remote time-frequency transmission and traceability application demonstration led by Henan Institute of Metrology - Henan remote station traceability verification test and application demonstration project standard The device was successfully debugged and entered the trial operation phase.
The standard device uses GNSS common-view technology to tame local atomic clocks, providing standard time and standard frequency signals. The device mainly consists of UTC time frequency source and NTP time server. The UTC time-frequency source is calibrated by GPS, GLONASS, and BeiDou satellites, and the internal helium atomic frequency standard is tamed to generate a standard time from the real-time traceability to the national time base. The time deviation from the national benchmark is less than 10 ns (P=95%). The frequency deviation is better than 5×10-14 (24-hour average). The NTP time server receives the standard time information of the UTC time frequency source, provides standard time service through the network, and the user accesses the NTP time server to obtain the amount of ms synchronized with the national reference. Standard time of the class.
After the completion of the project, local standard time can be established to provide all-weather standard time service for various industries. The local atomic clock can be verified by the National Metrology Institute without being sent to the National Metrology Institute, saving inspection time and transportation cost and eliminating transportation. Risk of damage to equipment during the process.
Product Features:
1) The production of rice balls, the
surface smooth, beautiful shape, size and symmetry. Can be controlled by the
button to produce hard or soft rice;
2) The machine is made of stainless steel
and food hygiene plastic, reasonable structure, easy operation, stable and safe
operation, in line with food hygiene requirements;
3) The use of local production of rice
balls, rice balls can increase production efficiency and cost savings to ensure
rice balls health;
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