L87 电子试验用仪器设备 标准查询与下载



共找到 49 条与 电子试验用仪器设备 相关的标准,共 4

Test method for magnetic permeability of electromagnetic shielding and absorbing materials

ICS
17.220.20
CCS
L87
发布
2018-07-04
实施
2019-05-01

Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signal

ICS
17.220.20
CCS
L87
发布
2013-02-28
实施
2013-02-28

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Identification cards-Recording technique-Part 2:Magnetic stripe

ICS
35.240.40
CCS
L87
发布
2008-06-30
实施
2008-06-30

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Identification cards-Identification of issuers-Part 2:Application and registration procedures

ICS
35.240.40
CCS
L87
发布
2008-06-30
实施
2008-06-30

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Financial transaction card-Security architecture of financial transaction systems using Integrated Circuit Cards-Part 1:Card life cycle

ICS
35.240.15
CCS
L87
发布
2007-11-30
实施
2007-11-30

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Financial transaction card originated messages-Interchange message specifications

ICS
35.240.15
CCS
L87
发布
2007-11-30
实施
2007-11-30

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Financial transaction cards-Security architecture of financial transaction systems using integrated circuit cards-Part 5:Use of algorithms

ICS
35.240.15
CCS
L87
发布
2007-11-30
实施
2007-11-30

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Messages between the integrated circuit card and the card accepting device-Part 1:Concepts and structures

ICS
35.240.15
CCS
L87
发布
2007-11-30
实施
2007-11-30

本规范规定了显示电气和电子设备工作状态的故障探测指示器(以下简称指示器)通用要求。 本规范适用于以遮光器、球状物、旋转盘指示,且是机械或电气复位式的故障探测指示器。

Indicators, fault locating, general specification for

ICS
17.220
CCS
L87
发布
2006-08-07
实施
2006-12-30

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Financial transaction cards

ICS
35.240.40
CCS
L87
发布
2002-09-19
实施
2002-09-19

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Identification cards-Physical characteristics

ICS
35.240.15
CCS
L87
发布
2002-09-19
实施
2002-09-19

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EAN/UCC Application identifiers and UCC/EAN-128 Symbol for logistics information system

ICS
35.040
CCS
L87
发布
2002-03-16
实施
2002-03-16

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Bar code symbol for dispatch unit code

ICS
CCS
L87
发布
2002-03-16
实施
2002-03-16

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Bar code symbol for uniform commodity code

ICS
35.040
CCS
L87
发布
2002-03-16
实施
2002-03-16

本规范规定了短波三信道测向接收机的要求、质量保证规定、交货准备和说明事项等内容。 本规范适用于地面固定使用的短波三信道测向接收机。

General specification for the short wave three-channel receivers used in direction finder

ICS
17.220
CCS
L87
发布
1998-03-18
实施
1998-05-01

本规范规定了短波战术接收机的要求、质量保证规定、交货准备和说明事项等内容。 本规范适用于地面使用的短波战术接收机。

General specification for tactical short wave receivers

ICS
17.220
CCS
L87
发布
1998-03-18
实施
1998-05-01

General specification for tactical digital radio relay equipment

ICS
17.220
CCS
L87
发布
1998-03-18
实施
1998-05-01

Although it is possible to observe and measure each of the several characteristics of the ELCD under different and unique conditions, in particular its different modes of selectivity, it is the intent of this practice that a complete set of detector specifications should be obtained at the same operating conditions, including geometry, gas and solvent flow rates, and temperatures. It should be noted that to specify a detector's capability completely, its performance should be measured at several sets of conditions within the useful range of the detector. The terms and tests described in this practice are sufficiently general so that they may be used at whatever conditions may be chosen for other reasons. Linearity and speed of response of the recorder used should be such that it does not distort or otherwise interfere with the performance of the detector. Effective recorder response should be sufficiently fast so that it can be neglected in sensitivity of measurements. If additional amplifiers are used between the detector and the final readout device, their characteristics should also first be established.1.1 This practice covers testing the performance of an electrolytic conductivity detector (ELCD) used as the detection component of a gas chromatographic system. 1.2 This practice is directly applicable to electrolytic conductivity detectors that perform a chemical reaction on a given sample over a nickel catalyst surface under oxidizing or reducing conditions and employ a scrubber, if needed, to remove interferences, deionized solvent to dissolve the reaction products, and a conductivity cell to measure the electrolytic conductivity of ionized reaction products. 1.3 This practice covers the performance of the detector itself, independently of the chromatographic column, in terms that the analyst can use to predict overall system performance when the detector is coupled to the column and other chromatographic system components. 1.4 For general gas chromatographic procedures, Practice E260 should be followed except where specific changes are recommended herein for the use of an electrolytic conductivity detector. For definitions of gas chromatography and its various terms see Practice E355. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Practice for Testing Electrolytic Conductivity Detectors (ELCD) Used in Gas Chromatography

ICS
71.040.50
CCS
L87
发布
1995
实施

Although it is possible to observe and measure each of the several characteristics of the ELCD under different and unique conditions, in particular its different modes of selectivity, it is the intent of this practice that a complete set of detector specifications should be obtained at the same operating conditions, including geometry, gas and solvent flow rates, and temperatures. It should be noted that to specify a detectorrsquo; capability completely, its performance should be measured at several sets of conditions within the useful range of the detector. The terms and tests described in this practice are sufficiently general so that they may be used at whatever conditions may be chosen for other reasons. Linearity and speed of response of the recorder used should be such that it does not distort or otherwise interfere with the performance of the detector. Effective recorder response should be sufficiently fast so that it can be neglected in sensitivity of measurements. If additional amplifiers are used between the detector and the final readout device, their characteristics should also first be established.1.1 This practice covers testing the performance of an electrolytic conductivity detector (ELCD) used as the detection component of a gas chromatographic system.1.2 This practice is directly applicable to electrolytic conductivity detectors that perform a chemical reaction on a given sample over a nickel catalyst surface under oxidizing or reducing conditions and employ a scrubber, if needed, to remove interferences, deionized solvent to dissolve the reaction products, and a conductivity cell to measure the electrolytic conductivity of ionized reaction products.1.3 This practice covers the performance of the detector itself, independently of the chromatographic column, in terms that the analyst can use to predict overall system performance when the detector is coupled to the column and other chromatographic system components.1.4 For general gas chromatographic procedures, Practice E 260 should be followed except where specific changes are recommended herein for the use of an electrolytic conductivity detector. For definitions of gas chromatography and its various terms see Practice E 355.1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Practice for Testing Electrolytic Conductivity Detectors (ELCD) Used in Gas Chromatography

ICS
71.040.50 (Physicochemical methods of analysis)
CCS
L87
发布
1995
实施

Performance measurements for Tacan ground equipment

ICS
17.220
CCS
L87
发布
1994-09-30
实施
1994-12-01



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