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RIGOL

DM3068 Quick Guide

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10.

Signal Input Terminals
The measured signal (device) will be connected into the multimeter through
these terminals. Different measured objects have different connection methods.
for details please see “Measurement Connections”.

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Summary of Contents for DM3068

Page 1: ...RIGOL 快速指南 DM3068 数字万用表 2017 年 6 月 RIGOL TECHNOLOGIES INC ...

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Page 3: ...人民共和国专利的保护本公司保留改变规格及价格的权利本手册提供的信息取代以往出版的所有资料对于本手册可能包含的错误或因手册所提供的信息及演绎的功能以及因使用本手册而导致的任何偶然或继发的损失 RIGOL 概不负责未经 RIGOL 事先书面许可不得影印复制或改编本手册的任何部分产品认证 RIGOL 认证本产品符合中国国家产品标准和行业产品标准及 ISO9001 2008 标准和 ISO14001 2004 标准并进一步认证本产品符合其它国际标准组织成员的相关标准联系我们如您在使用此产品或本手册的过程中有任何问题或需求可与 RIGOL 联系电子邮箱 service rigol com 网址 www rigol com ...

Page 4: ...RIGOL DM3068 快速指南 II 目录保证和声明 I 目录 II 安全要求 III 一般安全概要 III 安全术语和符号 VI 保养与清洁 VII 环境注意事项 VIII 快速入门 1 一般性检查 1 调整手柄 2 外观尺寸 3 前面板 4 后面板 7 用户界面 10 首次使用万用表 11 测量连接 12 使用内置帮助 15 使用机架 16 故障处理 21 ...

Page 5: ...产品的任何输入或输出端子之前请确保本产品电源电缆的接地端子与保护接地端可靠连接查看所有终端额定值为避免起火和过大电流的冲击请查看产品上所有的额定值和标记说明请在连接产品前查阅产品手册以了解额定值的详细信息使用合适的过压保护确保没有过电压如由雷电造成的电压到达该产品否则操作人员可能有遭受电击的危险请勿开盖操作请勿在仪器机箱打开时运行本产品使用合适的保险丝只允许使用本产品指定规格的保险丝避免电路外露电源接通后请勿接触外露的接头和元件怀疑产品出故障时请勿进行操作如果您怀疑本产品出现故障请联络RIGOL授权的维修人员进行检测任何维护调整或零件更换必须由RIGOL授权的维修人员执行保持适当的通风通风不良会引起仪器温度升高进而引起仪器损坏使用时应保持良好的通风定期 ...

Page 6: ...合 A 类标准基于 EN 61326 1997 A1 A2 A3 的标准但是不符合 B 类标准输入端子保护极限保护极限是为输入端子定义的 1 主输入 HI 和 LO 端子 HI 和 LO 输入端子用于电压电阻电容连通性频率和二极管测试测量这两个端子定义了以下两个保护极限 1 HI 到 LO 保护极限 HI 到 LO 保护极限为 1000 VDC 或 750 VAC 这也是可测量的最大电压此极限也可表示为最大 1000 Vpk 2 LO 到接地保护极限 LO 输入端子相对于地来说最大可以安全地浮动到 500 Vpk HI 端子的保护极限相对于地来说最大为 1000 Vpk 因此浮动电压和测得的电压之和不得超过 1000 Vpk 2 取样 HI Sense 和 LO Sense 200mA 端子 HI Sense 和 LO Sense 200mA 端子用于四线...

Page 7: ...测试测量只允许使用 10 A 和 LO 端子 3 进行电流测试测量时在接通万用表电源之前请务必根据预期的电流大小选择正确的电流输入端子 4 输入至 10 A 端子的电流最大不得超过 13 5 A 否则万用表内部保险丝将熔断输入至 LO Sense 200 mA 端子的电流最大不得超过 300 mA 否则后面板电流输入保险丝将熔断 IEC 测量类别 II 过压保护为了避免电击危险 DM3068 数字万用表为同时满足以下两个条件的电力干线连接提供过压保护 1 HI 和 LO 输入端子在测量类别 II 条件下如下所述连接到电力干线 2 电力干线的最大线路电压为 300 VAC 警告 IEC 测量类别 II 包括通过分支电路上的某一插座连接到电力干线的电气装置这些装置包括大多数小家电测试设备以及插到支路插座上的其他设备 DM3068 可用于进行这样的测量 HI 和 LO...

Page 8: ...声明指出可能导致本产品损坏或数据丢失的条件和行为 CAT I 1000V IEC 测量类别 I HI LO 端最大可测量电压为 1000Vpk CAT II 300V IEC 测量类别 II 在类别 II 过压情况下输入可能连接到电力干线高达 300 VAC 产品上的术语以下术语可能出现在产品上危险表示您如果进行此操作可能会立即对您造成危害警告表示您如果进行此操作可能会对您造成潜在的危害注意表示您如果进行此操作可能会对本产品或连接到本产品的其他设备造成损坏产品上的符号以下符号可能出现在产品上高电压安全警告保护性接地端壳体接地端测量接地端 ...

Page 9: ...DM3068 快速指南 VII 保养与清洁保养请勿将仪器放置在长时间受到日照的地方清洁请根据使用情况经常对仪器进行清洁方法如下 1 断开电源 2 用潮湿但不滴水的软布可使用柔和的清洁剂或清水擦试仪器外部的浮尘清洁带有液晶显示屏的仪器时请注意不要划伤 LCD 保护屏注意请勿使任何腐蚀性的液体沾到仪器上以免损坏仪器警告重新通电之前请确认仪器已经干透避免因水分造成电气短路甚至人身伤害 ...

Page 10: ...RIGOL DM3068 快速指南 VIII 环境注意事项以下符号表明本产品符合欧盟根据关于废弃电气电子设备 WEEE 的Directive 2002 96 EC 所制定的要求设备回收本产品中包含的某些物质可能会对环境或人体健康有害为避免将有害物质释放到环境中或危害人体健康建议采用适当的方法回收本产品以确保大部分材料可正确地重复使用或回收有关处理或回收的信息请与当地权威机构联系 ...

Page 11: ... 快速指南 1 快速入门一般性检查 1 检查运输包装如运输包装已损坏请保留被损坏的包装或防震材料直到货物经过完全检查且仪器通过电性和机械测试因运输造成仪器损坏由发货方和承运方联系赔偿事宜 RIGOL公司恕不进行免费维修或更换 2 检查整机若存在机械损坏或缺失或者仪器未通过电性和机械测试请联系您的 RIGOL 经销商 3 检查随机附件请根据装箱单检查随机附件如有损坏或缺失请联系您的RIGOL经销商 ...

Page 12: ...RIGOL DM3068 快速指南 2 调整手柄要调整数字万用表的手柄请握住表体两侧的手柄并向外拉然后将手柄旋转到所需位置操作方法如下图所示图 1 调整手柄平放位置移动位置图 2 放置仪器 ...

Page 13: ...RIGOL DM3068 快速指南 3 外观尺寸图 3 正视图单位 mm 图 4 侧视图单位 mm ...

Page 14: ...或测量数据存储到 U 盘中并可以在需要时读取 U 盘中已存储的状态或数据 2 LCD 高清晰度的 256 x 64 点阵单色液晶显示屏显示当前功能的菜单和测量参数设置系统状态以及提示消息等内容 3 自动触发读数保持按下该键可切换选择自动触发和读数保持功能自动触发键灯常亮万用表会以当前配置所允许的最快速度连续读取读数读数保持键灯闪烁万用表获得稳定的读数并保持在屏幕上的显示 5 电源键 6 测量功能键 7 菜单操作键 8 高级操作菜单 9 量程方向键 10 信号输入端 1 USB Host 接口 2 LCD 3 自动触发 4 单次触发读数保持本地切换 ...

Page 15: ...可以设置该按键的使用状态方法如下按 System 配置前开关选择打开或关闭 6 测量功能键基本测量功能键直流电压测量 DCV 交流电压测量 ACV 直流电流测量 DCI 交流电流测量 ACI 电阻测量 OHM 电容测量 CAP 连通性测试 CONT 二极管测试 DIODE 频率周期测量 FREQ PERIOD 任意传感器测量 SENSOR 支持的传感器类型包括 DCV DCI 2WR 4WR FREQ TC 热电偶 RTD 热电阻 THERM 热敏电阻常用实用功能键可快速存储或调用 10 组仪器设置第二功能键打开双显功能配合快速保存当前仪器配置快速打开相对测量 REL 设置界面 7 菜单操作键按下任一软键激活对应的菜单 ...

Page 16: ...持可设置每次触发的采样数目读数前的延迟时间和触发输入信号的边沿可设置触发输出支持对内部存储区和外部 USB 存储设备中的仪器参数文件和数据文件进行存储调用和删除可选择万用表支持的命令集配置接口参数设置系统信息检测万用表并查看错误消息提供常用操作的帮助信息以及如何使用在线帮助的方法万用表提供前面板任一按键和菜单软键的使用帮助 9 量程方向键按下该键启用自动量程配置测量参数参数输入时用于选择光标位置按上下方向键手动增大减小测量量程参数输入时用于输入不同的数值用于翻页 10 信号输入端被测信号器件通过该输入端被接入万用表不同测量对象的测量连接方法不同具体请参考测量连接中的说明 ...

Page 17: ... 5 A时保险丝熔断后面板电流输入保险丝对小电流量程输入提供最大250 mA保护极限流入电流超过300 mA时保险丝熔断万用表在出厂时已安装了大电流输入保险丝如需更换小电流量程保险丝请按照下面的方法进行更换 1 关闭万用表电源 2 使用一字螺丝刀沿图中所示方向旋转后用力拔出保险丝座 3 更换指定规格的保险丝 4 将保险丝座重新装入卡槽中注意大电流输入的保险丝位于仪器内部不允许用户更换如需更换需将万用表返厂 1 电流输入保险丝 2 LAN 接口 3 GPIB 接口 4 电源插孔 6 外部触发输入 8 RS232 接口 10 电压选择器 5 VMC 输出 7 USB Device 接口 9 电源保险丝 11 电源开关 ...

Page 18: ...2规范 4 电源插孔本万用表可输入两种规格的交流电源使用附件提供的电源线将交流电通过该插孔接入万用表中注意连接交流电之前请先选择正确的电压档位使用电压选择器图7 连接电源线 5 VMC输出 VM输出打开时输出打开万用表在每次完成测量后会从 VM Comp 连接器输出一个负脉冲 Low True Pulse 6 外触发输入您可以将触发脉冲加到 Ext Trig 连接器来触发万用表此时需要选择外触发源触发源外部 7 USB Device接口支持 USB TMC 设备可与计算机通信通过上位机软件控制万用表 8 RS232接口可与计算机通信通过上位机软件控制万用表该接口还可用于输出P F测试结果 ...

Page 19: ...换 1 关闭万用表电源 2 使用一字螺丝刀按下卡舌虚线箭头所指位置之后拔出保险丝座 3 在电压选择器处选择正确的电压档位 4 更换指定规格的保险丝 5 将保险丝座重新装入卡槽中图 8 更换电源保险丝注意为避免电击或火灾请使用指定规格的保险丝并确保保险丝支架没有短路 10 电压选择器请根据您所使用的交流电规格选择正确的电压档位提供两种交流输入电压档位 115 V 230 V 11 电源开关接通或切断电源的连接如果前面板电源软开关已禁用按 System 配置前开关关闭那么使用此开关接通电源后将直接启动仪器 ...

Page 20: ...RIGOL DM3068 快速指南 10 用户界面图 9 用户界面单显图 10 用户界面双显主显示测量功能运行指示主显示测量结果 LXI LXI 连接成功 Rmt 远程控制 Local 本地控制 USB 存储副显示测量结果副显示测量功能操作菜单测量参数量程 REL 打开统计最大最小平均 P F dBm dB 模式数学 ...

Page 21: ...源中 2 启动万用表打开电源插孔下面的电源开关此时如果万用表中的前开关设置为关闭键 System 配置前开关关闭仪器会直接启动否则请按下前面板的电源键启动仪器 3 开机过程 1 正常启动开机过程中仪器执行自检自检结束后显示用户界面 2 带含升级文件的 U 盘启动开机过程中若仪器检测到升级文件将直接升级至该软件版本然后启动仪器 4 若仪器没有正常启动请按照下面步骤进行检查 1 检查电源线是否接触良好 2 检查后面板电源开关是否已经打开 3 如经检查无误后仪器仍未启动请检查电源保险丝是否已熔断如有必要请更换保险丝 4 若经上述检查无误后仪器仍未启动请与 RIGOL 联系 ...

Page 22: ...否则可能损害万用表例如当测量引线连接至电流插孔中时请勿用其去测交流电压直流电压测量交流电压测量直流交流电流测量小电流直流交流电流测量大电流注意为了避免损坏万用表请务必遵循如下提示进行直流交流电流测量 1 10 A 和 LO Sense 200 mA 输入端子不允许同时被接入到电流测量回路中 2 进行电流测试测量时在接通万用表电源之前请务必根据预期的电流大小选择正确的电流输入端子 3 如果被测电流 AC DC 有效值介于 200 mA 至 10 A 范围内测试测量只允许使用 10 A 和 LO 端子 DCV ACV DCI ACI DCI ACI ...

Page 23: ...RIGOL DM3068 快速指南 13 二线电阻测量四线电阻测量电容测量连通性测量二极管测量 2WR 4WR Open or Closed Circuit Capacitance Open or Closed Circuit ...

Page 24: ...RIGOL DM3068 快速指南 14 频率周期测量任意传感器测量适用于DCV 2WR FREQ TC 2线RTD和THERM型传感器任意传感器测量适用于DCI型传感器任意传感器测量适用于4WR和4线RTD型传感器 AC Signal Sensor Sensor Sensor ...

Page 25: ...常用操作的帮助信息以及如何使用在线帮助的方法万用表提供前面板任一按键和菜单软键的使用帮助图 11 帮助列表表 1 帮助菜单帮助主题列表 1 测试表笔连接 2 基本测量 3 数学测量 4 任意传感器测量 5 存储和读取 6 设置 Utility 7 输入输出接口 8 在线帮助 9 更换电力线保险丝 10 技术支持菜单说明选中读取当前选中的帮助信息向上移动光标选择所需的帮助信息向下移动光标选择所需的帮助信息进入上一页帮助信息进入下一页帮助信息返回上一层操作菜单 ...

Page 26: ...件清单表 2 机架连接套件清单图标名称数量零件编号描述 1 1 前面板 1 RM DM 3 01 1 2 底板 1 RM DM 3 02 1 3 左侧板 1 RM DM 3 03 1 4 右侧板 1 RM DM 3 04 1 5 压脚 2 RM DM 3 05 2 1 M4 螺钉 16 RM SCREW 01 M4 8 十一字切沟盘头机械牙螺钉 2 2 M6 螺钉 4 RM SCREW 02 M6 20 十一字切沟盘头机械牙螺钉 2 3 M6 螺母 4 RM SCREW 03 M6 4 带定位锁片机械牙方螺母 2 1 2 2 2 3 ...

Page 27: ...RIGOL DM3068 快速指南 17 安装工具推荐使用 PH2 号头十字改锥安装空间本机架安装到机柜内须满足如下要求机柜必须为 19 英寸标准机柜机柜至少有 3U 的空间 133 5 mm 机柜内深度至少 400 mm 仪器上架后的尺寸如下图所示 ...

Page 28: ...RIGOL DM3068 快速指南 18 安装步骤仅授权人员方可执行安装操作不正确的操作可能导致仪器损坏或者不能正确安装到机架内 1 拆卸手柄握住表体两侧的手柄并向外拉然后向上提 2 安装左右侧板将左右侧板的卡位对准底板的豁口后插入底板用 8 颗 M4 螺钉固定 ...

Page 29: ...RIGOL DM3068 快速指南 19 3 放置仪器将仪器的垫脚对准相应的孔后将其放到底板上 4 固定仪器用两个压脚将仪器紧扣在底板上用 4 颗 M4 螺钉固定 ...

Page 30: ...RIGOL DM3068 快速指南 20 5 安装前面板将前面板开口对准仪器的前脸用 4 颗 M4 螺钉固定 6 装入机柜用 4 颗 M6 螺钉和 4 颗 M6 方螺母将固定好仪器的机架安装在 19 英寸标准机柜内 7 安装后注意机架占 3U 高度箭头所指的孔为机架的安装孔注意对准安装 ...

Page 31: ...器 5 如果仍然无法正常使用本产品请与 RIGOL 联系 2 接入一个电流信号读数没有任何改变 1 检查表笔是否正确插入电流插孔和 LO 插孔 2 检查背面的电流档位保险管是否已经熔断 3 检查测量档位是否已经正确切换到 DCI 或者 ACI 档位 4 检查是否由于输入的是 ACI 而档位却是处于 DCI 档位 3 当接入一个 DC 信号读数显示不正常 1 检查表笔是否正确插入电流插孔和 LO 插孔 2 检查背面的电流档位保险管是否已经熔断 3 检查测量档位是否已经正确切换到 DCI 或者 DCV 档位 4 检查是否由于输入的是 DCI 而档位却处于 ACI 档位 4 U 盘设备不能被识别 1 检查 U 盘是否可以正常工作 2 确认使用的为 Flash 型 U 盘本仪器不支持硬盘型 U 盘 3 确认使用的 U 盘大小推荐使用不大于 4G bytes 的 U 盘 4 重新启动仪器 ...

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Page 33: ...RIGOL Quick Guide DM3068 Digital Multimeter Jun 2017 RIGOL TECHNOLOGIES INC ...

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Page 35: ...RIGOL shall not be liable for losses caused by either incidental or consequential in connection with the furnishing use or performance of this manual as well as any information contained Any part of this document is forbidden to copy or photocopy or rearrange without prior written approval of RIGOL Product Certification RIGOL guarantees this product conforms to the national and industrial standard...

Page 36: ... Symbols VII General Care and Cleaning VIII Environmental Considerations IX Quick Start 1 General Inspection 1 Handle Adjustment 2 Appearance and Dimensions 3 The Front Panel 4 The Rear Panel 8 User Interface 11 First use of Multimeter 12 Measurement Connections 13 Using the Built in Help System 16 Using a Rackmount Kit 17 Troubleshooting 22 ...

Page 37: ...wer cord To avoid electric shock it is essential to connect the earth terminal of power cord to the Protective Earth terminal before any inputs or outputs Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markers on the instrument and check your manual for more information about ratings before connecting Use Proper Overvoltage Protection Make sure that no overvolta...

Page 38: ...ironment Do Not Operate in an Explosive Atmosphere In order to avoid damages to the device or personal injuries it is important to operate the device away from an explosive atmosphere Keep Product Surfaces Clean and Dry To avoid the influence of dust and or moisture in air please keep the surface of device clean and dry Electrostatic Prevention Operate in an electrostatic discharge protective area...

Page 39: ...should be used under the following two conditions 1 HI Sense LO Sense 200 mA protection limit 200 Vpk 2 LO Sense 200 mA LO protection limits 0 5 Vpk The current input fuse on the rear panel provides the current passing through LO Sense 200 mA up to 250 mA protection 3 Current input 10 A and Sense 200 mA terminals 10 A and LO terminals are used for current measurements of 2 A and 10 A The maximum c...

Page 40: ...maximum line voltage of 300 VAC WARNING IEC II includes electrical devices connected to mains at an outlet on a branch circuit Such devices include most small appliances test equipments and other devices that inserted into a branch socket DM3068 may be used to make measurements with the HI and LO inputs connected to mains in such devices up to 300 VAC or to the branch socket itself However DM3068 ...

Page 41: ...oltage can be measured by HI LO terminal is 1000Vpk CAT II 300V IEC Measurement Category II Inputs may be connected to mains up to 300VAC in the case of overvoltage in Category II Terms on the Product These terms may appear on the product DANGER indicates an injury or hazard may immediately happen WARNING indicates an injury or hazard may be accessible potentially CAUTION indicates a potential dam...

Page 42: ...terior surface perform the following steps 1 Disconnect the instrument from all power sources 2 Clean the loose dust on the outside of the instrument with a lint free cloth with a mild detergent and water When clean the LCD take care to avoid scarifying it CAUTION To avoid damages to the instrument do not expose them to liquids which are corrosive WARNING To avoid injury resulting from short circu...

Page 43: ...d batteries Product End of Life Handling The equipment may contain substances that could be harmful to the environment or human health In order to avoid release of such substances into the environment and harmful to human health we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately Please contact your loca...

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Page 45: ...mechanical tests The consigner or carrier shall be liable for the damage to the instrument resulting from shipment RIGOL would not be responsible for free maintenance rework or replacement of the unit 2 Inspect the instrument In case of any damage or defect or failure notify your RIGOL sales representative 3 Check the accessories Please check the accessories according to the packing lists If the a...

Page 46: ...adjust the handle position of the multimeter grip the handle in both sides and pull it outward then rotate the handle to a desired position see figure below Figure 1 Handle Adjustment Viewing Position Carrying Position Figure 2 Locate the Multimeter ...

Page 47: ...RIGOL DM3068 Quick Guide 3 Appearance and Dimensions Figure 3 Front Elevation Unit mm Figure 4 Side Elevation Unit mm ...

Page 48: ... function menus measurement parameters system configuration and status and so on 3 Auto Trigger Reading Hold Continuously pressing this key can switch between auto trigger and reading hold functions Auto Trigger the backlight always on the multimeter continuously takes readings at the fastest rate possible for the present configuration 5 Power 6 Measurement 7 Menu Operation 8 Advanced 9 Range 10 S...

Page 49: ...ct On or Off 6 Measurement Function Keys Basic Measurement Keys DC Voltage Measurement DCV AC Voltage Measurement ACV DC Current Measurement DCI AC Current Measurement ACI Resistance Measurement OHM Capacitance Measurement CAP Continuity Test CONT Diode Test DIODE Frequency Period Measurements FREQ PERIOD Any Sensor Measurements SENSOR such as DCV DCI 2WR 4WR FREQ TC thermoelectric couple RTD resi...

Page 50: ...trigger output parameter Saves recalls and deletes data and parameter files from both internal memory and external USB devices Sets the command set interface parameters and system information tests the multimeter and displays error messages Provides common help information and the method to use built in help The multimeter allows users to quickly recall the help information about any front panel k...

Page 51: ... 7 10 Signal Input Terminals The measured signal device will be connected into the multimeter through these terminals Different measured objects have different connection methods for details please see Measurement Connections ...

Page 52: ...rom the rear panel may be blown out To replace the low current fuse please 1 Cut off the power supply 2 Pull out the fuse seat by turning a straight screwdriver counterclockwise as shown in the figure 3 Place a new specified fuse 4 Reinstall the fuse seat into the slot NOTE The high current fuse stands inside the multimeter and is not allowed to be replaced by users themselves If such work must be...

Page 53: ...e with your multimeter to connect the multimeter to the AC power through this socket Note a proper voltage scale must be first selected through the Voltage Selector before power connection Figure 7 Connect the Power Cord 5 VMC Output Outputs a low true pulse from VM Comp terminal after every measurement when VM output is enabled VMC ON 6 Ext Trig Input Triggers the multimeter by connecting a trigg...

Page 54: ...ow and pull out of the fuse seat 3 Select a proper voltage scale 4 Replace a specified fuse 5 Reinstall the fuse seat into the slot Figure 8 Replace the Power Fuse WARNING In order to avoid electric shock or fire please just use the specified fuse and make sure the fuse holder is in good connection and not shorted 10 Voltage Selector Select a proper voltage scale according to the used AC supply 11...

Page 55: ...gle Display Dual Display Figure 10 User Interface Dual Display LXI LAN Control Rmt Remote Control Local Local Control USB Storage Vice Reading Vice Function Operation Menus Measurement parameter Range REL on STA MAX MIN AVG P F dBm dB Mode Math Main Function Run Indication Main Reading ...

Page 56: ...n the front panel Note the multimeter will directly start after you turning on the rear power switch if the front power button is disabled System Cfg Switch OFF 3 Boot Process 1 Normal start the multimeter executes self test and then enters the user interface 2 Start with a USB device having update file inserted the multimeter directly updates if an update file is detected and then starts 4 If the...

Page 57: ...For example when the test leads are connected to the related current terminals AC voltage measurement should not be taken DCV Measurement ACV Measurement DCI ACI Measurement Low Current DCI ACI Measurement High Current NOTE In order to protect the multimeter please execute DC AC current measurement following the requirements below 1 Do not connect the 10 A and LO Sense 200 mA input terminals into ...

Page 58: ...plies if you want to use current measurement 3 Only use 10 A and LO terminals for measurements when the measured current AC DC RMS value goes within 200 mA and 10 A Resistance Measurement 2 wire Resistance Measurement 4 wire Capacitance Measurement Continuity Measurement Diode Measurement 2WR 4WR Capacitance Open or Closed Circuit Open or Closed Circuit ...

Page 59: ...ncy Period Measurement Any Sensor Measurement For DCV 2WR FREQ TC 2 wire RTD and THERM sensors Any Sensor Measurement For DCI sensor Any Sensor Measurement For DCV 2WR FREQ TC 2 wire RTD and THERM sensors AC Signal Sensor Sensor Sensor ...

Page 60: ...stem including key front panel help and menu help Press to enter the following interface Figure 11 Help Topics Table 1 Help Menu Help Topics 1 The method of the test leads 2 Common measurement 3 Math 4 Sensor 5 Store and recall 6 Utility 7 I O interface 8 Online help 9 To change the power fuse 10 Support Menu Description Select Go to the selected help topic Cursor up Cursor down Page up Page down ...

Page 61: ...le 2 Kit Parts List No Name Qty Part Number Description 1 1 Front Panel 1 RM DM 3 01 1 2 Support Board 1 RM DM 3 02 1 3 Left Plate 1 RM DM 3 03 1 4 Right Plate 1 RM DM 3 04 1 5 Fixed Finger 2 RM DM 3 05 2 1 M4 Screw 16 RM SCREW 01 M4 8 Phil Slot Pan Head Machine Screw Nail 2 2 M6 Screw 4 RM SCREW 02 M6 20 Phil Slot Pan Head Machine Screw Nail 2 3 M6 Nut 4 RM SCREW 03 M6 4 Square Machine Female Scr...

Page 62: ...equirements The DM3068 should be mounted under the following spaces The machine cabinet should be a standard 19 inch one At least a 3U space 133 5 mm should be provided by machine cabinet The depth inside the machine cabinet should not be less than 400 mm Dimensions after the rackmount kit on ...

Page 63: ...nstallation fails or damages to the multimeter 1 Remove the handle from the multimeter grip the handle in both sides and pull it outward Then push the unit upward to release it from the instrument 2 Install left and right plates aim the detents of right and left plates at the openings on support board and insert selectively then fix them using eight M4 screws ...

Page 64: ...trument aim the parallels at the corresponding openings and then put the multimeter onto the support board 4 Fix the instrument fasten or fit the instrument tightly into the support board using two fixed fingers in connection with four M4 screws ...

Page 65: ...nd fix them using four M4 screws 6 Load into machine cabinet mount the rack with instrument fixed onto a standard 19 inch machine cabinet using four M6 screws and four M6 square nuts respectively 7 Note the rock holds a height of 3U holes in compliance with the arrow direction are the mounting holes for rack ...

Page 66: ... LO terminals 2 Check if the current fuse on the rear panel has melted 3 Check if the measurement function is switched to DCI or ACI 4 Check if the enabled measurement function matches with the actual input current 3 The reading is abnormal when a DC signal is input 1 Check if the test lead is correctly inserted to the current and or LO terminals 2 Check if the current fuse on the rear panel has m...

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