1、NFA1000 NFA400 3D Low Frequency Analyzer with Data Logger 3D 低频分析仪低频分析仪(带数据记录器带数据记录器)NFAsoft Analysis and Configu-ration Software 分析和配置软件分析和配置软件 OperatingManual (Version 6.2)操作手册操作手册 V6.2-1-350-027_NFA1000400-6-2_EN-von-susanne as of October2011 Gigahertz Solutions GmbH 350-027_NFA1000400-6-2_EN-von
2、susanne as of October 2011 -2-Gigahertz Solutions GmbHThank you!感谢!感谢!We thank you for the confidence you have shown by buying this product.It allows for a professional analysis of AC electric and AC magnetic fields according to internationally recognized guidelines and the recommendations of the b
3、uilding biology.感谢您对我们的信心,您已经购买了这款低频场强分析仪产品。它是根据国际公认的准则和建筑生物学来设计出来的用于测量交变电场和交变磁场的专业分析仪器。In addition to this manual you can watch the tutorial videos on our website concerning the use of this meter.除了这本操作手册,您还可以到我们的网站上观看有关使用此分析仪表的视频教程。Please note:请注意:The only significant difference between the NFA100
4、0 and the NFA400 in this manual is the fact that the NFA1000 allows a three-dimensional potentialfree measurement of the E-field,while the NFA400 can only be used for one-dimensional potentialfree measurements of the E-field.This distinction is specified in detail in the relevant chapters.本手册中的 NFA
5、1000 和 NFA 400 之间的唯一差别是 NFA1000 允许三维自由电位电场测量,而NFA400 只能用于一维自由电位电场测量。这种区别在相关章节中有详细的说明。-3-350-027_NFA1000400-6-2_EN-von-susanne as of October2011 Gigahertz Solutions GmbH Contents 内容内容 1 Quick Start Guide(快速入门指南).4 2 NFA1000 Front Cover(NFA1000 前面板).6 3 LEDs/Display/Audio Signals (LED 指示灯/显示/音频信号).7 4
6、 Switches/Push-Buttons/Connectors(开关/按钮/连接口).12 5 How to Measureand Data-Log(如何测量和记录数据).21 6 Power Supply(电源).26 7“NFAsoft”(NFA 软件).29 8 Firmware-Update(固件升级).41 9 What if(FAQ)(常见问题).43 This manualis based on the firmware version 4.8 and NFAsoft version 1.09.本手册基于固件版本 V4.8 和 NFAsoft 版本 V1.09。The fir
7、mware and software of the NFA will be continuously iproved and made available via e-mail or download from our homepage.NFA 系列产品的固件和软件将不断改进升级,您可以通过电子邮件索取或从我们的主页直接下载。Features not yet implemented,but under development,are printed in GREY in this manual.印在本手册中的灰色文字表示该产品功能尚未实现,但正在开发中。350-027_NFA1000400-6
8、2_EN-von-susanne as of October 2011 -4-Gigahertz Solutions GmbH1 Quick Start Guide 快速入门指南快速入门指南 The instructions below refer to the factory default settings.These settings can easily be ustomized with the help of the supplied softwareNFAsoft“.下面的说明,请参阅出厂默认设置。在所提供软件NFAsoft的帮助下可以轻松地自定义这些设置。When you s
9、witch on the instrument the LCD will briefly show“batt”and the remaining operation time in the log.-mode with the current capacity of the batteries.当你打开仪器上的 LCD 将简单地显示“batt”(电池容量)和本模式下的剩余操作时间。Set all switches to their top position!(Auto,tRMS,M3D and On)将所有的开关按钮都设置在其顶部的位置!(包括Auto,tRMS,M3D和On)With the
10、se settings and the mode button,one can quickly and easily begin the conventional measurement process,without detailed knowledge of the instruments features.用这些设置和模式按钮,在没有详细了解仪器功能的情况下,您也可以快速轻松地开始常规测量。The LCD display will now indicate the isotropic(3D)AC magnetic field strength as the primary measure
11、ment.The coloured frequency LEDs above the LCD display show the active frequencies,the red LED indicating the dominant one.The dominant axis x,y or z is indicated by a red LED on the right of the LCD display.Thats it no further switches or steps needed.LCD将显示各向同性(3D)三维交变磁场强度为主要测量。LED显示屏上面的彩色频率灯则显示有效
12、频率,红色指示灯指示为主导频率。x、y 或 z轴则由LED显示屏右边的红色 LED 灯指示。就是这样而已 再没有更多开关或步骤需要。NFA1000:To measure the E-field with ground-reference(1D)simply connect the grounding cable.The NFA detects the attached cable and automatically shows the corresponding AC electric field strengths and frequencies.The E-field measuremen
13、t will now be displayed as the primary measurement and the 3D magnetic field as the secondary.By depressing the mode button you can easily switch from this to the 3D magnetic field on the display.对电场测量,只需将接地电缆与接地参考(1D)连接。NFA检测到连接线并自动显示相应的交变电场强度和频率。电场测量现在将被显示为主要测量而3D 磁场则作为辅助测量。按下“mode”(模式)按钮,您可以很容易地切
14、换到三维磁场显示。To measure the three dimensional potential-free AC electric field,switch to E3D and fix the instrument onto a potential-free rod or onto a support.By pressing the mode button you can easily switch from this to the Z-axis of the AC magnetic field on the display.对测量三维自由电位交变电场,切换到E3D,将设备固定在无电势
15、杆或者支架上。通过按“mode”(模式)按钮,可以很容易地切换到的交变磁场的Z轴测量上。-5-350-027_NFA1000400-6-2_EN-von-susanne as of October2011 Gigahertz Solutions GmbH NFA400:For an E-field measurement simply switch to Ey.You now have two possibilities:对于电场测量,只需切换到Ey。现在,您有两种选择:If the grounding cable is plugged in and connected to the grou
16、nd potential,you are measuring“against ground”.如果接地电缆已插入并连接到地面电位,您可以测量“对地”电场。If you attach the meter to a potentialfree rod or place it onto a support,you are measuring“potential free”.如果将仪表放在自由电位的地方,那么您正在测量自由电位电场。Press the mode button to switch from this to the 3D magnetic field on the display.按“mo
17、de”按钮来切换到三维磁场显示。Should the meter not do what you expect,please turn to the chapter on(frequently asked questions)at the end of this manual(Chapter 9)!如果仪器操作过程中遇到问题,请翻阅本手册末尾(第 9 章)的FAQs章节(常见问题)!Note:For potential-free e-field-measurements the highest accuracy will be reached when used without the yel
18、low silicone holster.注:为了让自由电位的电场测量达到最高的准确度,使用时不需黄色硅胶皮套。2 Front Cover NFA 1000 and NFA 400 NFA1000和和NFA400的前面板的前面板 Analogous front cover for NFA 1000 and NFA 400 NFA1000和NFA400的前面板如下 350-027_NFA1000400-6-2_EN-von-susanne as of October 2011 -6-Gigahertz Solutions GmbH3 LEDs/Display/Audio Signals LED指
19、示灯指示灯/显示显示/音频信号音频信号 3.1 LEDs and Display LED指示灯指示灯/显示显示 The measured value shown on the display.在显示器上显示测量值.is the unit adjacent to the solid green LED(primary measurement).绿色指示灯是指最邻近的单位(主测量)。A flashing LED indicates the unit of the secondary measurement,which can be selected by depressing the“Mode”b
20、utton.闪烁的LED指示辅助测量单位,按下“Mode”(模式)按钮可以选择。In fields of very high magnetic intensity,the value will be displayed in uT(microTesla),indicated by the red LED“X 1000”.Also the green LED will then turn red indicating a change of scale.Both LEDs will start flashing red when the measured values are higher th
21、an the instrument can display.Similarly,when measuring body voltage,a change from mV to V for higher values is indicated.磁场强度非常高的区域,该值将被显示成uT(微特斯拉),红色LED显示为“X 1000”,此外绿色指示灯会转为红色表示变化的刻度。两个LED指示灯都开始闪烁红色时,表明测量值高于该仪器的显示范围。同样,测量体电压时,红色LED显示为“X 1000”,则从mV的电压改变为较高的V值表示。Special LCD Display Messages LCD屏显示的特
22、殊信息屏显示的特殊信息“Low Batt“:The rechargeable battery is low please charge the battery 可充电电池电量低 请为电池充电“Err.“:Short for Error.Indicates an erroneous configuration.This can occur when a grounding cable or mains adapter is connected and potential-free E-field measurement is selected.Select a different setting
23、错误”的简称。表示错误的配置。发生这种情况的原因可能是连接了接地线或连接电源适配器时却选择自由电位电场测量。请选择不同的设置!-“:Instrument is in the process of determining the measurement,or the value is too small to be measured.设备正在测量过程中或测量出的数值太小仪器无法测量。CHAr“:Instrument is being charged.(For technical reasons“FULL”will be shown shortly before this,which is t
24、o be ignored)仪器正在充电。(由于技术原因,“FULL”将显示在此之前不久,这就容易被忽略)-7-350-027_NFA1000400-6-2_EN-von-susanne as of October2011 Gigahertz Solutions GmbH 350-027_NFA1000400-6-2_EN-von-susanne as of October 2011 -8-Gigahertz Solutions GmbHFULL“:During the charging process,with the mains adaptor connected,this indicati
25、on means:charging process completed,battery loaded.During normal operation,however,“FULL”means the SD memory card is full.在充电过程中,连接到电源适配器,此指示的意思是:完成充电过程,电池电量已满。然而,在正常操作过程中,“FULL”是指SD记忆卡已存满。The time indications are set up as follows:时间显示设置如下:XXXd“:XXX days or(XXX天)Xd.XX“:X days and XX hours or(X天/XX时
26、)XX.XX“:XX hours and XX minutes.(X时/XX分)XX.XX“:(with blinking dot):XX minutes und XX seconds.(闪烁的小点)XX分XX秒 It will be shown upon switching on the NFA and when logging(see chapter 5.4).启动 NFA日志记录时它将会显示在上面(见第 5.4 章)。Due to the increased power consumption(LEDs,sound signal,etc),the remaining battery li
27、fe in the operating mode“ON”is reduced by up to 30%.由于增加了电源消耗(显示屏,声音信号等),整个电池的使用时间在仪器工作模式状态下减少了30%。Status and Frequency LEDs 状态和频率的状态和频率的LED指示指示 The“Status”LED indicates the current mode of operation 当前操作模式“状态”的LED显示“Red”means“instrument is being charged”.“红色”是指“仪器正在充电”。“Yellow”means“measurement in
28、progress,NO recording”.“黄色”是指“正在进行测量,不记录”。“Green”means“measurement in progress WITH recording”,“绿色”是指“正在进行测量,带记录”,however with the switch set to“log.”the“Status”-LED is switched off to extend battery life.关掉记录过程的LED指示灯,可以延长电池使用时间。LEDs to indicate the applicable frequency bands:LED指示灯,指示的适用频段:指示灯,指示的
29、适用频段:The frequency-LEDs change their colour in propor-tion to their contribution to the total field strength.See below for details on LED display modes.频率指示灯按照总磁场强度的大小来改变自身的颜色。有关详细信息,请参阅下面有关 LED 的显示模式的详细信息。”16.7 Hz“:In use for railway lines in some European countries.The reading also includes the 2n
30、d harmonic.在一些欧洲国家的铁路线路上使用。读数还包括二次谐波。”50/60 Hz“1:Mains frequency.The bandwidth only covers individual frequencies of 50 Hz and 60 Hz with their respective lock-in ranges.1:电源频率。带宽范围仅锁定在单独频率50 Hz和60 Hz。”100/120 Hz“1:This LED indicates the contribution of the second through fifth“even”harmonics.The st
31、rongest frequency can be numerically displayed when using“Freq”mode.1:此指示灯指示第二至第五次 even(偶数)谐波的贡献。当使用Freq模式时可以用数字显示最强的频率。”150/180 Hz“1:This LED indicates the contribution of the third through fifth“uneven”harmonics.The third harmonics will presently be found in many homes and most offices as a signif
32、icant portion of the total measurement.The frequency of the strongest source can be numerically displayed when using“Freq”.在许多家庭和大多数办公室目前测量发现最明显的部分为电源的第三次的谐波。使用Freq时可以用数字显示最强频率源。”R 2kHz“:Comprises frequencies within the upper TCO-band of 2 KHz up to 1 MHz.包括2 KHz到1 MHz的TCO-band频段。“x1000”-LED“x1000”L
33、ED Turns red when the measurement scale increases.当加大测量刻度范围时该指示灯变成红色。1The NFA automatically detects the mains frequency and adjusts the indication of its harmonics.With“Freq.”the actual mains frequency can be determined exactly.The LEDs for 16.7Hz,mains frequency and its harmonics upto 2kHz have a s
34、uitable lock-inrange to cover mains fluctuations.-9-350-027_NFA1000400-6-2_EN-von-susanne as of October2011 Gigahertz Solutions GmbH 注释 1:NFA 自动检测电源频率及调整其谐波的指示。使用“Freq.”功能可以准确地确定电源频率。对 LED 的 16.7 赫兹、电源频率及其高达 2 kHz 的谐波锁定在一个合适的范围内,以覆盖电源电压波动的影响。350-027_NFA1000400-6-2_EN-von-susanne as of October 2011 -
35、10-Gigahertz Solutions GmbH There are two display modes for the frequency-LEDs:频率指示灯有两种显示的模式:频率指示灯有两种显示的模式:“Simple/Steady“:(=preset)2“简单/稳定的”:(=预置)2The red LED represents the strongest frequency,and the yellow LED the second strongest.The green LEDs indicate the total frequency range in the current
36、setting.红色代表最强的频率,黄色次之。绿色指示灯指示当前设置的总的频率范围。“Full Information/Volatile”:This makes the LEDs rather unsteady/volatile.(To be configured with NFAsoft)“全信息/变化的”:LED灯相当不稳定/易变化的。(用来配置 NFAsoft)The proportion of the respective frequency band in relation to the total signal is being displayed.These proportion
37、s are shown as follows3:显示各自频段相应所占总信号的比例。这些比例如下:RED=DOMINANT(50%)YELLOW=MEDIUM(50%)GREEN=SMALL(button to turn the volume up and the Rec.button to turn the volume down(and finally:off),as long as no grounding cable is connected to the instrument.如果“Mode”的开关设置为如图位置,按“Mode”按钮调高音量和按Rec.按钮调低音量(最后:关闭),只要没
38、有接地电缆连接到仪器。Please note:For extra-precise measurement requirements turn the acoustic signal volume down or even switch it off completely.请注意:为了更精准地测量,要求把信号音频声音调小或甚至完全将它关掉。2In order to allow for less fluctuations in this mode an internal high pass filter is switched on.With NFAsoft it can be configura
39、ted to 16.7 and 50Hz.Experience has shown that the best combination for a free hand measure-ment is a filter set to 16.7Hz for magnetic fields and to 50Hz for electricfields.Electric fields of the 16.7Hz railway line power frequency(in some European countries)are quite rare indoors and can still be
40、evaluated in the“band”mode.They can still be separately evaluated with NFAsoft.注释 2:为了考虑使在这种模式下更少受影响,内部的高通滤波器被打开。使用 NFAsoft 可配置其频率为 16.7 和50 Hz。经验表明,手动测量的最佳组合是测磁场时滤波器设置为 16.7Hz 和测电场时滤波器设置为 50Hz。铁路沿线电力频率 16.7Hz(在某些欧洲国家)的电场在室内是相当罕见的,但仍然可以在“band”模式进行评估。他们还可以单独用 NFAsoft 软件进行评估。3To make it more ergonomic
41、 for the user,frequencies below the nominal display resolution(that is0.1V/m or 1nT)are not indicated by an LED-signal but will still be recorded down to the noiselevel.Hysteresis:9/12%resp.45/50%.注释 3:为更符合人们使用,低于显示灵敏度的频率(0.1V/m or button to switch from one axis to the other.Please see chapter 4.9 f
42、or details to this or to the automated scrolling.在此,NFA1000将显示每个磁场或电场在其三个方向的各个矢量成分,这取决于开关被设置为“XYZ”轴,而NFA 400只会显示各个组成部分的磁场。按“Mode”按钮切换不同的轴。详细内容请参阅第4.9章。350-027_NFA1000400-6-2_EN-von-susanne as of October 2011 -12-Gigahertz Solutions GmbH E3D(NFA1000)/Ey(NFA400)=Potential-freeE-field measurement 自由电位电
43、场测量自由电位电场测量 The field sensor pairs for the X-,Y-and Z-axis(directions correspond to the imprint)are situated within the meter close to the housing.For a proper measurement the meter has to be set up more than 12 inches away from any metal objects on an insulated“holder”(accessory PM1)or held with an
44、 insulated rod(accessory PM4s).Also cables or probes must not be connected during this measurement setting.In the case of an erroneous configuration,the display will indicate“Err.”until the configuration is corrected or the setting is changed to magnetic field measurement.The measuring person should
45、 avoid hectic movements and keep a distance of at least 1.5 m to the object of measurement.电场探头对 X-,Y-和 Z-轴(对应方向的印记)位于接近仪表壳体的位置。对正确的测量,该仪器应安置在 12 英寸以上距离都没有任何金属物体的位置,置于绝缘的“支架”(配件 PM1)之上,或用绝缘杆握持住(配件 PM4s)。测量设置期间还不能连接电缆或探头。在错误配置的情况下,显示屏将显示“Err”,直到更正配置或设置更改为磁场测量。测量人员应避免随处走动,并与测量对象保持至少 1.5 米的距离。For E-fie
46、ld measurements against earth potential,please plug in the grounding cable and 针对大地电势的电场测量,请插入接地电缆,并且:-switch to“M3D”(automatic adjustment)on the NFA 1000 -NFA1000 上切换到M3D(自动调整)-switch to“Ey”on the NFA 400.-NFA400 上则切换到Ey。4.3 Sockets for Inputs and Grounding 输入和接地的插座输入和接地的插座 AC/DC=Combined AC/DC-Inp
47、ut AC/DC-输入输入 The moment you connect an external sensor,its signal will automatically be displayed in mV and recorded,if required.For recording,make sure the“Mode”switch is set to“Auto”.当您连接外部探头的时候,它的信号将自动显示为 mV 并记录,如果有记录要求。要确保“Mode”开关设置为“Auto”AC:A displayed value of 2000 corresponds to“1Vpeak-peak“
48、4.AC:显示值 2000 对应于“1Vpeak-peak“DC:+/-0.1 to 1500 mV,i.e.with an HF59B connected in the coarse measuring range (scaled to 1.5 V DC),the device plots measurement values from 1 to 15,000 W/m2;the displayed value in mV is 10 times less than the actual reading in W/m25.-13-350-027_NFA1000400-6-2_EN-von-su
49、sanne as of October2011 Gigahertz Solutions GmbH DC:+/-0.1to1500mV,使用设备 HF59B 的粗测量范围内(缩放到 1.5 V DC)设备划分测量值 从 1 到 15,000 W/m;以mV为单位的显示值比W/m2的实际读数要小 10 倍。This input can also be used for the connection of an optionally available magnetostatic and electrostatic sensor(in preparation).这种输入也可用于连接一个可选的静磁和静
50、电探头(在准备中)。=Input socket for body voltage hand probe 身体电压手持探头的输入插座 Input for the connection of a hand probe for the measurement of body voltage in mV.The connector is a 4 mm banana jack.For displaying and recording,set the“Mode”-switch to and plug in the grounding cable.This is the only input which c






