JB/T 54283-1999
Product Quality Grading for Measuring Tools and Instruments - Electronic Digital Calipers (Internal Use)
量具量仪产品质量分等 电子数显卡尺（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 合格品 → 4 一等品 → 5 优等品 → 6 等级评定 Foreword → 1 Scope → 2 Normative References → 3 Qualified Product → 4 First-Class Product → 5 Premium Product → 6 Grade Evaluation
Scope
This standard specifies the quality indicators for qualified products, first-class products, and premium products of electronic digital calipers. This standard is applicable to the quality grade evaluation of electronic digital calipers produced in batches.
本标准规定了电子数显卡尺的合格品、一等品和优等品的各项质量指标。本标准适用于成批生产的电子数显卡尺质量等级的评定。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of electronic digital calipers use this standard to evaluate product quality grades. They classify products based on indicators such as indication error, cleanliness, and life test requirements specified in the standard. This standard ensures consistent quality of electronic digital calipers and provides a clear basis for quality assessment in the market.
电子数显卡尺的制造商和质检机构使用本标准来评定产品的质量等级。他们依据本标准中的各项指标，如示值误差、清洁度和寿命试验要求，对产品进行分级。该标准确保了电子数显卡尺的质量一致性，为市场提供了明确的质量评判依据。
AI Summary AI generated
This standard JB/T 54283-1999 specifies quality grading requirements for electronic digital calipers, including three grades: qualified, first-class, and premium. Qualified products must meet basic requirements of GB/T 14899, with indicators such as indication error, hardness, surface roughness, flatness, parallelism, indication variability, drift, operating temperature, power consumption, and movement speed. First-class products add requirements for movement speed, force, play, cleanliness, life test, and fault-free time. Premium products demand higher cleanliness, longer life test, and fault-free time. Grade evaluation follows JB/T 54247.2.
本标准JB/T 54283-1999规定了电子数显卡尺的质量分等要求，包括合格品、一等品和优等品三个等级。合格品需满足GB/T 14899的基本要求，并规定了示值误差、硬度、表面粗糙度、平面度、平行度、示值变动性、漂移、工作温度、功耗、移动速度等指标。一等品在合格品基础上增加了移动速度、移动力、晃动量、清洁度、寿命试验和无故障时间等要求。优等品则要求更高的清洁度、更长的寿命试验和无故障时间。等级评定按JB/T 54247.2进行。
Key Sentences extracted from text
本标准规定了电子数显卡尺的合格品、一等品和优等品的各项质量指标。
电子数显卡尺的示值误差见表1。
电子数显卡尺外测量面平面度公差为0.002 mm。
电子数显卡尺的电流功耗应不大于25 μA。
电子数显卡尺经10万次寿命试验后，其示值误差应不超过规定的要求，其测量面应不见白光，合格率应不低于67%。
This standard specifies the quality indicators for qualified products, first-class products, and premium products of electronic digital calipers.
The indication error of electronic digital calipers is shown in Table 1.
The flatness tolerance of the external measuring surface of electronic digital calipers is 0.002 mm.
The current consumption of electronic digital calipers shall not exceed 25 μA.
After 100,000 cycles of life test, the indication error of electronic digital calipers shall not exceed the specified requirements, the measuring surfaces shall show no white light, and the pass rate shall not be less than 67%.
Standard Timeline
Changes from replaced version:
- 本标准与JB/T 54283-94的技术内容一致，仅按有关规定重新进行了编辑。
- This standard is consistent with JB/T 54283-94 in technical content, only re-edited according to relevant regulations.