U630中文资料

目录快速操作指南 (1)第一章概述 (2)1.1技术指标 (2)1.2主要特点 (3)1.3配置 (4)第二章整机及键盘简介 (5)2.1整机介绍 (5)2.2键盘介绍 (6)第三章操作简介 (7)3.1零点校准 (7)3.2声速设置或校准 (7)3.2.1已知声速时声速设置 (7)3.2.2已知厚度校准（单点校准） (8)3.2.3两点校准 (8)3.3基本操作流程 (8)3.3管材测量 (10)第四章菜单功能及设置 (11)4.1仪器菜单 (11)4.1.1穿透涂层 (12)4.1.2数据存取 (12)4.1.3报警 (14)4.1.4单位 (14)4.1.5扫查 (14)4.1.6差值 (15)4.1.7高温 (15)4.1.8均值 (16)4.1.9标准 (16)4.1.10精度 (17)4.1.11频率 (17)4.1.12自动关机 (17)4.1.13出厂设置 (18)4.1.14对比度 (18)4.1.15零点校准 (18)4.1.16手动选择探头 (18)4.1.17声音设置 (19)4.1.18屏幕旋转 (19)4.1.19单点校准和两点校准 (19)4.1.20声速表 (19)4.1.21背光 (19)4.1.22曲面 (20)第五章维护和保养 (21)5.1使用注意事项 (21)5.2日常维护和保养 (21)第六章故障分析和排除 (22)附录：常用材料声速表 (23)快速操作指南！注意：●如您使用的测厚仪无“穿透涂层”测量模式，请确认被测物为裸材，如被测点表面有油漆等，请将其打磨干净！●如您使用的测厚仪有“穿透涂层”测量模式，在被测点表面有涂层时，请选择此测量模式，但需确保被测厚度在“穿透涂层”测量模式的量程内！第一次使用或者更换探头开机时，操作如下：1)连接探头：将探头两个插头插入测厚仪主机顶端的两个插孔内，无需分左右，但请确定完全插入。

注意：在插入探头前,请检查探头插头是否拧紧,如未拧紧请拧紧！2)开机：按键开机。

©1999,2000DATA SHEETDocument No.D14328EJ1V0DS00 (1st edition)The mark 5 shows major revised points.The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.Not all devices/types available in every country. Please check with local NEC representative for availability and additional information.DESCRIPTIONThe 2SK3377 is N-Channel MOS Field Effect Transistor designed for high current switching applications.FEATURES•Low On-state Resistance R DS(on)1 = 44 m Ω MAX. (V GS = 10 V, I D = 10 A)R DS(on)2 = 78 m Ω MAX. (V GS = 4.0 V, I D = 10 A)•Low C iss : C iss = 760 pF TYP.•Built-in Gate Protection Diode •TO-251/TO-252 packageABSOLUTE MAXIMUM RATINGS (T A = 25 °C)Drain to Source Voltage V DSS 60V Gate to Source Voltage V GSS ±20V Drain Current (DC)I D(DC)±20A Drain Current (Pulse)Note1I D(pulse)±50A Total Power Dissipation (T C = 25°C)P T 30W Total Power Dissipation (T A = 25°C)P T 1.0W Channel Temperature T ch 150°C Storage Temperature T stg–55 to +150°C Single Avalanche Current Note2I AS 15A Single Avalanche EnergyNote2E AS23mJNotes 1.PW ≤ 10 µs, Duty cycle ≤ 1 %2.Starting T ch = 25 °C, R G = 25 Ω, V GS = 20 V → 0 VTHERMAL RESISTANCEChannel to Case R th(ch-C) 4.17°C/W Channel to AmbientR th(ch-A)125°C/WORDERING INFORMATIONPART NUMBERPACKAGE 2SK3377TO-2512SK3377-ZTO-252555555(TO-251)(TO-252)2ELECTRICAL CHARACTERISTICS (T A = 25 °C)CHARACTERISTICSSYMBOL TEST CONDITIONSMIN.TYP.MAX.UNIT Drain to Source On-state ResistanceR DS(on)1V GS = 10 V, I D = 10 A 3544mΩR DS(on)2V GS = 4.0 V, I D = 10 A 5478mΩGate to Source Cut-off Voltage V GS(off)V DS = 10 V, I D = 1 mA 1.5 2.0 2.5V Forward Transfer Admittance | y fs|V DS = 10 V, I D = 10 A 510SDrain Leakage CurrentI DSS V DS = 60 V, V GS = 0 V 10µA Gate to Source Leakage CurrentI GSS V GS = ±20 V, V DS = 0 V ±10µA Input Capacitance C iss V DS = 10 V 760pF Output CapacitanceC oss V GS = 0 V 150pF Reverse Transfer Capacitance C rss f = 1 MHz 71pF Turn-on Delay Time t d(on)ID = 10 A 13ns Rise Timet r V GS(on) = 10 V 170ns Turn-off Delay Time t d(off)V DD = 30 V 43ns Fall Timet f R G = 10 Ω34ns Total Gate Charge Q G I D = 20 A 17nC Gate to Source Charge Q GS V DD = 48 V 3.0nC Gate to Drain Charge Q GD V GS(on) = 10 V 4.7nC Body Diode Forward Voltage V F(S-D)I F = 20 A, V GS = 0 V 1.0V Reverse Recovery Time t rr I F = 20 A, V GS = 0 V 39ns Reverse Recovery ChargeQ rrdi/dt = 100 A/µs62nCTEST CIRCUIT 1 AVALANCHE CAPABILITYV GS = 20 →DDTEST CIRCUIT 3 GATE CHARGETEST CIRCUIT 2 SWITCHING TIMEV LDDτ = 1 sµDuty Cycle ≤ 1 %L DD53PACKAGE DRAWINGS (Unit : mm)1) TO-251 (MP-3)2) TO-252 (MP-3Z)EQUIVALENT CIRCUITRemark The diode connected between the gate and source of the transistor serves as a protector against ESD.When this device actually used, an additional protection circuit is externally required if a voltage exceeding the rated voltage may be applied to this device.Body DiodeDiodeDrain• The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.• No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document.• NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual propertyrights of third parties by or arising from use of a device described herein or any other liability arising from useof such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or otherintellectual property rights of NEC Corporation or others.• Descriptions of circuits, software, and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. The incorporation of these circuits,software, and information in the design of the customer's equipment shall be done under the full responsibilityof the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third parties arising from the use of these circuits, software, and information.• While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices,the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons orproperty arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features.• NEC devices are classified into the following three quality grades:"Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on acustomer designated "quality assurance program" for a specific application. The recommended applications ofa device depend on its quality grade, as indicated below. Customers must check the quality grade of each devicebefore using it in a particular application.Standard: Computers, office equipment, communications equipment, test and measurement equipment,audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robotsSpecial: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disastersystems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support)Specific: Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, lifesupport systems or medical equipment for life support, etc.The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance.M7 98. 8。

(1) Gate(2) Drain (1) (2)(3)(3) SourceCAUTION / WARNING●The information in this publication has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies.● Sanken reserves the right to make changes without further notice to any products herein in the interest of improvements in the performance, reliability, or manufacturability of its products.Before placing an order, Sanken advises its customers to obtain the latest version of the relevant information to verify that the information being relied upon is current.● Application and operation examples described in this catalog are quoted for the sole purpose of reference for the use of the products herein and Sanken can assume no responsibility for any infringement of industrial property rights, intellectual property rights or any other rights of Sanken or any third party which may result from its use.● When using the products herein, the applicability and suitability of such products for the intended purpose or object shall be reviewed at the users’ responsibility.● Although Sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of semiconductor products at a certain rate is inevitable. Users of Sanken products are requested to take, at their own risk, preventative measures including safety design of the equipment or systems against any possible injury, death, fires or damages to the society due to device failure or malfunction.● Sanken products listed in this catalog are designed and intended for the use as components in general purpose electronic equipment or apparatus (home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). Before placing an order, the user’s written consent to the specifications is requested.When considering the use of Sanken products in the applications where higher reliability is required (transportation equipment and its control systems, traffic signal control systems or equipment, fire/crime alarm systems, various safety devices, etc.), please contact your nearest Sanken sales representative to discuss and obtain written confirmation of your specifications. The use of Sanken products without the written consent of Sanken in the applications where extremely high reliability is required (aerospace equipment, nuclear power control systems, life support systems, etc.) is strictly prohibited.● Anti radioactive ray design is not considered for the products listed herein.● This publication shall not be reproduced in whole or in part without prior written approval from Sanken.●This is notification that you, as purchaser of the products/technology, are not allowed to perform any of the following:1. Resell or retransfer these products/technology to any party intending to disturb international peace and security.2. Use these products/technology yourself for activities disturbing international peace and security.3. Allow any other party to use these products/technology for activities disturbing international peace and security. Also, as purchaser of these products/technology, you agree to follow the procedures for the export or transfer of these products/technology, under the Foreign Exchange and Foreign Trade Law, when you export or transfer theproducts/technology abroad.。

（完整版）DINEN10029（中⽂）第⼀页3mm及以上热轧钢板的尺⼨、形状和质量公差DIN EN 10 029英⽂版欧洲标准EN 10 029 ：1991年加⼊DIN标准.逗号⽤作⼗进制标志.国家序⾔此标准由ECISS/TC 12制定.参与制定该标准的德国责任体系是钢铁标准委员会成员.此标准的内容之前于1989年7⽉以草拟标准的形式发⾏，有关该标准做出了以下的主要的补充：1.厚度的公差等级增加到了四个(参考7.1.1⼦条款和表1).当分类时要给出公差等级.2.特殊的平⾯公差（参考表5）应依据镀层宽度⽽不同.对应于欧洲标准参考EN第⼆条的DIN标准如下：欧洲标准DIN标准EN10 079 DIN EN 10 079EN10 163 DIN EN 10 163 中1-3部分参考标准（未包含在标准参考书⽬中）DIN EN 10 079 依据形状和尺⼨将钢类产品定义和分类DIN EN 10 163第⼀部分热轧钢产品表⾯加⼯的技术上交货条件，⼀般要求DIN EN 10 163第⼆部分热轧钢产品表⾯加⼯的技术上交货条件，⾦属板和宽平⾯DIN EN 10 163第三部分热轧钢产品表⾯加⼯的技术上交货条件，部件DIN 59 200 热轧宽钢平⾯，规格、形状和质量的尺⼨和公差旧版本DIN1542:09.24,08.29,12.33,04.59;DIN1620:09.24,03.58;DIN1543:09.24,07.29,07.59,10.81修正对照DIN1543，1981年10⽉版，作出以下修订：(a）标准的范围扩展到包含镀层厚度到250mm.(b)引进两个公差等级C级和D级.(c)引⼊平⾯特殊公差(参照表5).(d)可允许的过剩质量的限度已做出详细说明.国际专利分类G 01 B 21/00 B 21 B 1/00 接下页, EN包含8页------------------------------------------------------------------------------------------------------------------------ 第⼆页DIN EN 10 029⼏点需要修正. 这些修正的部分已标记上下班“＋”符号. 这些建议要修改的内容如下并且将提交CEN负责秘书考虑.在运⽤陈述, 正字法, 标点符号, ⽤连字符号连接等⽅法中, 其⽬的是要持续不断地执⾏PNE 规则. 明显的错误(例如: 冗余及冗长)不需更多考虑且都已修正.建议要修改的内容1.在该标准的题⽬和正⽂中, “steel plates”应该更适宜写成“steel plate”在以下情况下即当提及半成品时.2.在表6中第3列中, 标题应该写成“thickness tolerance”或“tolerances on thickness”.3.在⼦条款10.5中, u是⾮直⾓边值。