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高度规校准
浏览: 发布日期:2018-12-21

校准依据规范/标准说明:

JJF-1254-2010数显测高仪校验规范

JJG-34-96指示表(百分表、千分表)检定规程

Calibrationis based on specifications/standards:

JJF-1254-2010"Digital display altimeter calibration specification"

JJG-34-96"Indicative Table (Percent Dial, Dial Indicator) VerificationProcedures"

所使用的主要标准器:

The mainstandard instruments used:

校验说明:

1.被校验高度规静置平衡温度不得少于4小时,目测其外观是否完好,各部件是否可以正常使用,不可有影响计量精度的外观缺陷;

2.零位校准,按量测范围均匀选择量测点及常用测量点进行校验,选用适当的块规,读取高度规数值,计算块规与读数之差,误差在规定范围内,判定为合格,误差超出范围,判定为不合格;

Calibrationinstructions:

1.The height gauge to be statically set should not be less than 4 hours, visuallycheck whether the appearance is intact, whether the components can be usednormally, and there is no appearance defect that affects the measurementaccuracy;

2.Zero calibration, select the measurement points and common measurement pointsaccording to the measurement range, select the appropriate block gauge, readthe height gauge value, calculate the difference between the block gauge andthe reading, and the error is within the specified range. If it is qualified,the error is out of range and it is judged as unqualified; 

总结:

1.校验时注意大理石底座的平整度,减少测试误差;

2.同一校验点,块规组合数量不得多于3块,减少累计误差;

3.遵循国家检定规程,制定允收标准,校验结果符合允收标准,张贴内校合格标签,现场正常投入使用;

4.校验结果超出允收标准,仪器降级使用或张贴暂停使用标签,退回使用单位维修、报废处理,不得用于产品控制,修复后必须重新校验方可使用;

To sum up:

1.Pay attention to the flatness of the marble base during calibration, and reducethe test error;

2.For the same checkpoint, the number of block gauge combinations shall notexceed 3, reducing the cumulative error;

3.Follow the national verification regulations, formulate the acceptancecriteria, the verification results meet the acceptance criteria, post theinternal school qualified label, and the site is put into normal use;

4.The verification result exceeds the acceptance criteria. The instrument isdowngraded or posted, the label is suspended, returned to the unit for repairand disposal, and may not be used for product control. It must be re-calibratedbefore being repaired;


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