JJF 1090-2002 English PDF

US$519.00 · In stock
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JJF 1090-2002: Calibration Specification for Nonmetal Building Materials Plastic Limit Measuring Instrum
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1090-2002	519	Add to Cart	4 days	Calibration Specification for Nonmetal Building Materials Plastic Limit Measuring Instrum	Obsolete

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Basic data

Standard ID: JJF 1090-2002 (JJF1090-2002)
Description (Translated English): Calibration Specification for Nonmetal Building Materials Plastic Limit Measuring Instrum
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Word Count Estimation: 13,160
Date of Issue: 2002-09-13
Date of Implementation: 2002-12-13
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to standard cement paste consistency and setting time analyzer, mortar consistency meter, asphalt penetration tester, soil liquid and plastic limits (hereinafter referred to as plastic limits) calibration.

JJF 1090-2002: Calibration Specification for Nonmetal Building Materials Plastic Limit Measuring Instrum

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Nonmetal Building Materials Plastic Limit Measuring Instrum National Metrology Technical Specification of the People's Republic Non-metallic building materials plastic limit measuring instrument calibration specification Released on.2002-09-13 Implementation of.2002-12-13 The General Administration of Quality Supervision, Inspection and Quarantine issued This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 13,.2002, and Implemented on December 13,.2002. Focal Point. National Strength Hardness Measurement Technical Committee Drafting unit. Henan Institute of Metrology and Testing This specification is interpreted by the focal point The main drafters of this procedure. Cheng Xinxuan (Henan Province Metrology and Testing Institute) Wang Guangjun (Henan Province Metrology and Testing Institute) Liu Quanhong (Henan Province Metrology and Testing Institute) Zhao Jianxin (Henan Province Metrology and Testing Institute) Participate in the drafters. Zhang Zhongjie (Henan Province Metrology and Testing Institute) Zhang Qifeng (Henan Province Metrology and Testing Institute) Li Feng (Henan Province Metrology and Testing Institute)

table of Contents

1 Scope (1) 2 Overview (1) 3 Measurement characteristics (1) 3.1 Plastic limit tester sliding part quality (1) 3.2 Plastic limit measuring instrument head (1) 3.3 Plastic limit measuring instrument indicating device (4) 3.4 Plastic limit measuring instrument accessories (5) 3.5 Plastic limit tester verticality (6) 4 Calibration conditions (6) 4.1 Environmental conditions (6) 4.2 Measuring Standards and Other Equipment (6) 5 Calibration items and calibration methods (6) 5.1 Inspection before calibration (6) 5.2 Calibration of sliding part mass (7) 5.3 Calibration of the indenter (7) 5.4 Calibration of the pointing device (7) 5.5 Calibration of accessories (7) 5.6 Calibration of the verticality of the plastic limiter (7) 6 Expression of calibration results (8) 7 re-study interval (8) Appendix A Calibration Certificate Page Format 1 (9) Appendix B Calibration Certificate Page Format 2 (10) Non-metallic building materials plastic limit measuring instrument calibration specification

1 Scope

This specification is applicable to cement paste standard consistency and setting time measuring instrument, mortar consistency meter, asphalt needle penetration meter, Calibration of the soil liquid plastic limit tester (hereinafter referred to as the plastic limit tester).

2 Overview

2.1 Cement paste standard consistency and setting time measuring instrument is based on the thixotropy of cement to measure the standard consistency of water The special measuring instrument for the amount and setting time is to insert the standard consistency cement vertically under the fixed test force by the indenter. In the case of a fixed time insertion depth or a fixed depth insertion time. 2.2 Mortar consistency meter is a special measuring instrument for measuring the consistency of mortar. It is a fixed test force through a standard cone. Straight into the depth of the mortar to express. 2.3 Asphalt needle penetration meter is a special measuring instrument for measuring the penetration of asphalt. It is a certain test force through the standard needle. The depth of the asphalt sample is vertically inserted under time and temperature conditions to express. 2.4 Soil liquid plastic limit measuring instrument is a special measuring instrument for measuring soil liquid plastic limit, which is through a standard cone in a certain The test force and time are vertically inserted into the depth of the soil sample to express.

3 Measurement characteristics

3.1 Plastic limit tester sliding part quality The quality requirements for the sliding part of the plastic limit measuring instrument are shown in Table 1. Table 1 Quality requirements for the sliding part of the plastic limit tester project Cement paste standard consistency Condensation time tester Mortar consistency meter asphalt penetration meter Soil liquid plastic Limit meter Sliding part mass/g 300 ± 1 300 ± 1 50±0.05 100±0.05 200±0.05 76±0.2 100±0.2 3.2 Plastic limit measuring instrument head 3.2.1 Cement paste standard consistency and setting time measuring instrument head Cement paste standard consistency and setting time The geometry and geometry requirements of the indenter are shown in Figures 1 and 2. ......

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