Industry knowledge
1. Rail thermometer verification cycle:
The calibration cycle is generally no more than 12 months.
󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮Identification basis: Rail thermometer Part 1: Bimetallic rail thermometer (JJG 1158.1-2018);
Rail thermometer Part 2: Digital rail thermometer (JJG 1158.2-2018). 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝
The product is suitable for the initial calibration, subsequent calibration and in-use inspection of digital rail thermometer and bimetallic rail thermometer. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮󠇘󠆭 󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
2. Verification cycle of frog structure height measuring device:
the verification cycle is generally not more than 12 months. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬
Basis for identification: Railway frog structure height measuring instrument (JJG 1183-2021). 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮
The present invention is suitable for the initial calibration, subsequent calibration and in-service inspection of the railway frog structure height measuring instrument. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟 󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
3. Track inspection instrument identification cycle:
The identification cycle of the track inspection instrument is generally no more than 3 months or 1000km operation Identification basis: Railway track inspection instrument (JJG 1090-2013). 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟
The instrument is suitable for the initial verification, subsequent verification and in-use inspection of railway track inspection instruments. It can also be used for the verification of track gauge and superelevation parameters of track geometry measuring instruments. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮 󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
4. Total station verification cycle:
The verification cycle of a total station is generally no more than 1 year. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧 Basis for identification: total station electronic tachometer (JJG 100-2003). 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢
The tachymeter is suitable for the initial calibration, subsequent calibration and in-use inspection of the angle measurement part of the total station electronic tachometer.
The distance measurement part is in accordance with the calibration procedures for photoelectric distance meters. This regulation shall be followed for the calibration of electronic theodolites. 󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧󠄩󠄧󠄩󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
5. Level verification cycle:
The verification cycle of the level is determined according to the use environment and frequency of use, and generally does not exceed 1 year. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣󠄢󠄧󠄩󠄡󠄩󠄧 Basis for identification: level instrument (JJG 425-2003). 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟
The product is suitable for the initial calibration, subsequent calibration and in-use inspection of DS05, DSZ05, DS1, DSZ1, DS3 and DSZ3 level levels. 󠄐󠄹󠅀󠄪󠄡󠄡󠄦󠄞󠄢󠄣󠄡󠄞󠄢󠄤󠄡󠄞󠄢󠄩󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄡󠄬󠅒󠅢󠄟󠄮󠄾󠅑󠅝󠅕󠄪󠄡󠄣
