安捷伦34405指标

安捷伦液相色谱串联质谱仪技术参数安捷伦液相色谱串联质谱仪是一种先进的分析仪器，广泛应用于化学、生物、医药等领域。

它的技术参数包括分辨率、灵敏度、质量准确度、重复性、线性范围等。

下面将详细介绍这些技术参数。

分辨率是液相色谱串联质谱仪的一个重要指标，它衡量了仪器分离相邻两个峰的能力。

分辨率越高，不同组分之间的干扰就越小，分析结果就越准确。

安捷伦液相色谱串联质谱仪的分辨率可以达到非常高的水平，一般在10,000以上。

这一高分辨率使得它能够对复杂样品进行快速、准确的分析。

灵敏度是衡量液相色谱串联质谱仪性能优劣的另一个重要指标。

它表示仪器能够检测到最低浓度的化合物。

安捷伦液相色谱串联质谱仪在灵敏度方面表现出色，它能够检测到非常低浓度的化合物，通常在ppb（10-9）甚至更低的水平。

质量准确度是指液相色谱串联质谱仪测量结果与真实值之间的接近程度。

安捷伦液相色谱串联质谱仪的质量准确度非常高，通常在1%以内。

这一高准确度保证了分析结果的可靠性。

重复性是指同一样品在不同条件下的多次测量结果之间的一致性。

安捷伦液相色谱串联质谱仪具有很好的重复性，它能够进行高通量的样品分析，保证结果的可重复性。

线性范围是指仪器能够测量的化合物浓度范围。

安捷伦液相色谱串联质谱仪具有广泛的线性范围，通常可以测量从ppb到ppm（10-6）乃至更高的浓度范围。

这一宽广的线性范围使得它能够应用于各种样品的分析。

除了以上主要的技术参数外，安捷伦液相色谱串联质谱仪还具有其他一些特殊功能。

例如，它可以进行多重反应监测，即同时监测多个反应物和产物的浓度变化；它还可以进行多级质量分析，使得分析结果更加准确可靠。

总之，安捷伦液相色谱串联质谱仪是一种高性能的分析仪器，具有高分辨率、高灵敏度、高质量准确度、良好的重复性和宽广的线性范围等技术参数。

它可以广泛应用于化学、生物、医药等领域，为科研人员提供准确、可靠的分析结果。

它的不断发展和创新也将进一步推动科学研究的进步。

安捷伦34401A数字万用表使用详细说明(总1页)--本页仅作为文档封面，使用时请直接删除即可----内页可以根据需求调整合适字体及大小--安捷伦34401A数字万用表使用详细说明天创工业网 / 2014-03-10Agilent 34401A使用时注意事项1）正确接入输入电源，错误输入将导致变压器烧毁，严重时可能烧毁主板；2）建议仪器使用前最好预热至少30分钟；3）确保所有地线连接良好（简便的方法可用万用表交流档测零地间电压，标准实验室要求是在1V以内，但零地绝对不能直接短路，像一般工厂是在2V左右，帮忙排查下电源线与排查是否接触紧密，是否同一左零右火，若电源线和排插使用较久已老化，建议进行更换）。

4）确保所有仪器（包括测试设备，电脑）共地（也是用万用表交流档测零地之间的电压，标准实验室要求是在1V以内，但零地绝对不能直接短路，像一般工厂是在2V左右，帮忙排查下电源线与排查是否接触紧密，是否同一左零右火，电源线和排插若使用比较久已经老化，建议要更换新的）。

5）定期排查接地情况以确保接地完全良好。

（最好是每天都定点检查，如有记录装置万用表的话，最好能长时间进行监控。

）6）该仪器最高测量电流为3A，若超过3A则会导致仪表受损坏。

绝不可在电流档灌入电压。

7）正确设置并连接测试线缆，任何错误的设置或连接将导致主板烧毁；8) 若有用GPIB/RS232控制34401A的话，请不要带电拔插GPIB/RS232线，防止仪器的GPIB/RS232电路损坏。

（a.接GPIB线的顺序：先接GPIB线再接电源线最后再开机；b.拔GPIB线的顺序：关机，拔掉电源线，再拔GPIB线。

）特附上电源质量的规范！请参考。

仪器与PC正常通讯需要安装Agilent的相关驱动，最常用的程序为Agilent IO Libraries。

以下为Agilent34401A 通讯RS232端口的详细设置方式：1、在待机状态下按 shift+ <键，进入MENU菜单，显示：A：MEAS MENU2、按四次 > 键，显示E：I/O MENU3、显示1：GPIB ADDR界面再按 > 右方向键1次，显示2:INTERFACE---该菜单表示选择通讯方式，按ｖ键进入，可通过左右键在GPIB/488和RS-232之间选择，选择RS-232后按Enter键确认，返回待机界面；4、重复1、2步，在第3步显示1：GPIB ADDR界面再按 > 右方向键2次，显示3:BAUD RATE---该菜单表示通讯数据率，按ｖ键进入，可通过左右键在300\600\1200\2400\4800\9600之间选择，选择9600后按Enter键确认，返回待机界面。

Agilent 34405A Multimeter5.5 Digit Dual Display, Benchtop DMM More Capabilities at a Value PriceData SheetFeatures120000 counts resolution16 built-in measurement functions including temperature and capacitance 0.025% 1-year DC voltage accuracy USB 2.0SCPI compatibleAgilent IO Library Suite and DMM Intuilink connectivity software included Affordable and FeatureRich Measurement ToolWith the 34405A digital multimeter,you get all the tools you need at anaffordable price without compromisingthe quality Agilent products areknown for. It provides a broad range offeatures and measurement functionssuch as DC voltage, DC current, true-RMS AC voltage and AC current, 2-wireresistance, frequency, diode test andcontinuity which are designed to meetgeneral industrial needs. Furthermore,it can measure temperature rangingfrom -80 o C to 150 o C. The true valueis more evident with its capability tomeasure capacitance ranging from1000 pF to 10000 µF. Agilent 34405Aalso improves effi ciency and accuracywith its six built-in math operations:Null, dBm, dB, MinMax, Limitand Hold.Quick Connection to the PCwith USB 2.0 InterfaceFor those with a need to control andtake preset measurements with a PC,the built-in USB 2.0 interface providesan easy and robust connectionbetween the PC and DMM. TheUSB interface connects directly tothe PC host and works seamlesslywith Agilent Connectivity softwareand can be controlled remotely viaindustry standard SCPI commands orthrough DMM Intuilink Connectivitysoftware. IVI-COM and LabVIEWdrivers are included to ensure an easyintegration with different programmingenvironments.Bright Display, FastReading Speed andConfi guration StorageWhen high throughput and productivityare the priority, Agilent 34405A VFDdual display feature allows users totake more than one measurementand display them simultaneously onthe front panel. For speed criticalapplications, Agilent 34405A can takeup to 19 readings/sec at 4.5 digitsresolution directly to the PC. Inaddition, the user can confi gure andstore complete instrument setups andrecall them at anytime from any of thefour built-in storing states.Rugged and ReliableThe 34405A is designed and testedaccording to major Safety andRegulatory Standards. In addition, theshock absorbing bumpers is designedto prevent physical damage from yourday-to-day use.You can watch 34405A in action onyour PC by downloading the interactivedemo from the 34405A homepage at/fi nd/34405aGo to the WEB for more information onAgilent’s DMM. Visit ACCURACY ±(% of reading + % of range)FUNCTIONRANGE [2]TEST CURRENT OR BURDEN VOLTAGE INPUTIMPEDANCE [3]1 Year 23 °C ± 5 °C Temperature Ceffi cient0 °C - 18 °C 28 °C - 55 °C AC CHARACTERISTICS[1]ACCURACY ± (% of reading + % of range)FUNCTION RANGE [5]FREQUENCY 1 Year 23 °C ± 5 °C Temperature Ceffi cient0 °C - 18 °C 28 °C - 55 °CACCURACY ± (% of reading + % of range)FUNCTION RANGE[5]FREQUENCY 1 Year23 °C ± 5 °C Temperature Ceffi cient 0 °C - 18 °C28 °C - 55 °CFREQUENCY[10],[16][17]TEMPERATURE and CAPACITANCE CHARACTERISTICS [1]ACCURACY ± (% of reading + % of range)FUNCTION RANGE TEST CURRENT, etc. 1 Year23 °C ± 5 °C Temperature Ceffi cient 0 °C - 18 °C28 °C - 55 °C[1] Specifi cations are for 30 minutes warm-up, 5 1/2 digit resolution and calibration temperature 18 °C - 28 °C.[2] 20% over range on all ranges except 1000 Vdc.[3] Specifi cations are 2-wire ohms using Math Null. If without Math Null, add 0.2 Ω additional error.[4] Specifi cations are for the voltage measured at the input terminals only.[5] 20% over range on all range except 750 Vac[6] Specifi cations are for sinewave inputs >5% of range. Maximum crest factor : 3 at full scale.[7] Additional error to be added as frequency >30 kHz and signal input <10% of range. 30 kHz ~ 100 kHz: 0.003% of full scaleper kHz.[8] For 12 A terminal, 10 A dc or ac rms continuous, >10 A dc or ac rms for 30 seconds ON and 30 seconds OFF.[9] For 1 A and 10 A ranges, the frequency is verifi ed for less than 5 kHz.[10] Specifi cations are for half-hour warm-up, using 0.1 second aperture. The frequency can be measured up 1 MHz as 0.5 Vsignal to 100 mV/1 V ranges.[11] For 20 Hz ~ 10 kHz, the sensitivity is AC input current from 10% to 120% of range except where noted.[12] For 100 kHz ~ 300 kHz, the sensitivity will be 12% ~ 120% of range except 750 V range.[13] Input Impedence is in paralleled with capacitance <120 pF.[14] For input <200 V rms[15] For input <300 V rms[16] For frequency, use AC Accuracy ± (% of reading + 3 counts)[17] Minimum measured frequency is 1 HzOPERATING CHARACTERISTICSFunction Digits ReadingSpeed [1]Function Change(sec)[2]Range Change(sec)[3]Auto Range (sec) [4]Reading Speed OverUSB/(sec) [5]DCV 5.515 /s0.30.3< 1.284.570 /s0.20.2< 1.119DCI 5.515 /s0.40.4<1.0 84.570 /s0.30.3 < 0.5 19ACV 5.5 2.5 /s 1.3 1.7< 5.724.5 2.5 /s 1.2 1.5<5.12ACI 5.5 2.5 /s 1.8 2.2< 4.724.5 2.5 /s 1.5 1.9< 4.02FREQ [6] 5.59 /s 2.8 2.8< 5.814.59 /s 2.5 2.5<5.01[1] Reading rate of the A/D converter.[2] Time to change from 2-wire resistance to this specifi ed function and to take at least one reading using SCPI “FUNC” and“READ?” commands.[3] Time to change from one range to the next higher range and to take at least one reading using SCPI “FUNC” and “READ?”commands.[4] Time to automatically change one range and to take at least one reading using SCPI “CONF AUTO” and “READ?” commands.[5] Number of measurements per second that can be read through USB using SCPI “READ?” command.[6] Reading rate depends on signal frequency >10 Hz.DIMENSIONSSUPPLEMENTAL MEASUREMENT CHARACTERISTICSDC VOLTAGEMeasuring Method:Sigma Delta A-to-D converterInput Resistance:10 MΩ ± 2% range (typical)Input Protection:1000 V on all rangesRESISTANCEMeasuring Method:2-wire OhmsOpen-circuit voltage:Limited to < 2.8 VInput Protection:1000 V on all rangesDC CURRENTShunt Resistance:0.1 Ω to 10 Ω for 10 mA to 1.2 A ranges0.01 Ω for 12 A rangeInput Protection:Front Panel 1.25 A, 500 V fuse for I terminalInternal 15 A, 600 V fuse for 12 A terminal CONTINUITY/DIODE TESTMeasuring Method:Uses 0.83 mA ± 0.2% constant current source, < 5 V open circuit voltageResponse Time:70 samples/second with audible toneContinuity Threshold:10 Ω fi xedInput Protection:1000 VTEMPERATUREMeasurement Method:2-wire Ohms measurement of 5 kΩ thermistor sensor (E2308A) with computer conversionAuto-ranging measurement, no manual range selection Input Protection:1000 VMEASUREMENT NOISE REJECTIONCMRR (Common Mode Rejection) for 1 kΩ unbalanceLO leadDC 120 dBAC 70 dBNMR (Normal Mode Rejection) For 60 Hz (50 Hz) ± 0.1%5 1/2 digit 65 dB (55 dB)4 1/2 digit 0 dB AC VOLTAGEMeasurement Method:AC coupled true-RMS - measure the ac component with up to 400 Vdc bias any rangeCrest Factor:Maximum 5:1 at full scaleInput Impedance:1 MΩ ± 2% in parallel with < 100 pF of all rangesInput Protection:750 Vrms on all rangesAC CURRENTMeasuring Method:DC coupled to the fuse and current shunt, AC coupled true-RMS measurement (measure the AC component only)Shunt Resistance:0.1 Ω to 10 Ω for 10 mA to 1.2 A range0.1 Ω for 12 A rangeInput Protection:Externally accessible 1.25 A, 500 V fuse for I terminal Internally replaceable 15 A, 600 V fuse for 12 A terminal FREQUENCYMeasurement Method:Reciprocal counting technique. AC coupled input using AC voltage function.Signal Level:10% of range to full scale input on all rangesAuto or manual range selectionGate Time:0.1 second or 1 period of the input signal, whichever is longer.Input Protection:750 Vrms on all rangesMATH FUNCTIONSNull, dBm, dB, Min/Max/Avg, Hold, Limit Test TRIGGER and MEMORYSingle trigger, 1 reading memoryREMOTE INTERFACEUSB 2.0 full speed, USBTMC-USB488 device class PROGRAMMING LANGUAGESCPI, IEEE-488.1, IEEE-488.2GENERAL CHARACTERISTICSPOWER SUPPLY100V/120V(127V)/220V(230V)/240V ± 10%AC line frequency 45Hz - 66Hz and (360Hz - 440Hz, 100/120V operation)POWER CONSUMPTION16VA maximum, <11W averageOPERATING ENVIRONMENT Full accuracy at 0 °C to 55 °CFull accuracy to 80% RH at 30 °C (non-condensing)Altitute up to 3000 meters STORAGE COMPLIANCE - 40 °C to 70 °CSAFETY COMPLIANCE Certifi ed to CSA for IEC/EN/CSA/UL 61010-1 2nd Edition MEASUREMENT CATEGORYCAT II, 300V: CAT I 1000Vdc, 750Vac rms, 2500Vpk transient over voltage Pollution degree 2EMC COMPLIANCE Certifi ed to IEC/EN 61326:2002, CISPR 11, and equivalents for Group 1, Class A SHOCK and VIBRATION Tested to IEC/EN 60086-2SHOCK and VIBRATION Tested to IEC/EN 60086-2DIMENSION (HxWxD)Rack: 88.5mm x 212.6mm x 272.3mm Bench: 103.8mm x 261.2mm x 303.2mm WEIGHT3.75 kg, 8.27 lb WARM UP TIME 30 minutesWARRANTYOne year for 34405AThree months for standard shipped accessoriesAgilent Optional Accessories34330A 30A Current ShuntE2308A Thermistor Probe34133A Precision Electronics Test LeadsStandard shipped accessories:Test lead kit Test report Power cordUSB interface cable Quick Start GuideUser’s and Service Guide Product Reference CD-ROM Agilent IO Library Suite CD-ROMOptions:Opt. 1CM - Rack mount adapter kitAgilent 34405A Multimeter: Versatile and low cost solution for benchtop testing.5.5 digit dual display increases productivityand throughput in troubleshooting.Use the Up-Down keys to select thedesired measurement range. Just pressShift -> Auto key to switch measurementrange automatically.Superior value with a broad range offunctions, which includes the temperatureand capacitance measurements.Connect the supplied test leads to the InputTerminals to start your measurements.Selecting the secondary displaymeasurements.Math functions and utility menu that allowusers to take reference measurements (ie.Min/Max value and etc.) and store themeasurement setups from the front panel./fi nd/34405Afi nd/34405ALAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems. Agilent is a founding member of the LXI consortium.Agilent Channel Partners/find/channelpartners Get the best of both worlds: Agilent’s mea-surement expertise and product breadth, combined with channel partner conve-nience.For more information on Agilent Tech-nologies’ products, applications or services, please contact your local Agilent office. The complete list is available at:/find/contactus Americas Canada (877) 894 4414 Brazil (11) 4197 3600Mexico 01800 5064 800 United States (800) 829 4444Asia Pacifi c Australia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 180****8100Taiwan 0800 047 866Other AP Countries (65) 375 8100Europe & Middle East Belgium 32 (0) 2 404 93 40 Denmark 45 45 80 12 15Finland 358 (0) 10 855 2100France 0825 010 700**0.125 €/minute Germany 49 (0) 7031 464 6333 Ireland 1890 924 204Israel 972-3-9288-504/544Italy 39 02 92 60 8484Netherlands 31 (0) 20 547 2111Spain 34 (91) 631 3300Sweden 0200-88 22 55United Kingdom 44 (0) 118 927 6201For other unlisted countries: /find/contactus(BP-3-1-13)Product specifications and descriptions in this document subject to change without notice.© Agilent Technologies, Inc. 2013Published in USA, March 25, 20135989-4906EN/qualityAdvancedTCA ® Extensions forInstrumentation and Test (AXIe) is an open standard that extends theAdvancedTCA for general purpose and semiconductor test. Agilent is a founding member of the AXIe consortium.PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged, PC-based high-performance measurement and automation system.Quality Management SystemQuality Management Sys ISO 9001:2008DEKRA Certified /find/myagilentA personalized view into the information most relevant to you.myAgilent my Agilent/find/AdvantageServices Accurate measurements throughout the life of your instruments.Agilent Advantage ServicesThree-Year Warranty/find/ThreeYearWarranty Agilent’s combination of product reliability and three-year warranty coverage is another way we help you achieve your business goals: increased confidence in uptime, reduced cost of ownership and greater convenience.。

34401a电阻校准34401A是安捷伦（Agilent）公司生产的一款多用途数字万用表，广泛应用于工业自动化、实验室和电子维修等领域。

对于保证测量的准确性和可靠性来说，定期对34401A进行电阻校准是非常重要的。

本文将详细介绍34401A电阻校准的步骤、方法和注意事项。

一、电阻校准的目的和原理电阻校准的目的是检查并修正数字万用表的测量结果，保证其准确性和可靠性。

电阻校准是通过比较待测电阻和标准电阻之间的差异来完成的。

电阻校准的原理一般分为两个步骤：第一步是确定标准电阻的准确值，第二步是将待测电阻与标准电阻进行比较，计算出它们之间的差异，并对数字万用表进行修正。

二、34401A电阻校准的步骤1. 准备工作：确保34401A万用表和校准设备处于正常工作状态。

检查并确认校准设备的准确性和可靠性。

2. 连接电路：将待测电阻与34401A万用表和校准设备正确地连接电路中。

3. 校准设备的校准：对校准设备进行校准，并记录下校准结果和时间。

确保校准设备的准确性。

4. 测量待测电阻：使用34401A万用表测量待测电阻，并记录下测量结果和时间。

5. 比较标准电阻和待测电阻：使用校准设备测量标准电阻，并记录下测量结果和时间。

然后将标准电阻与待测电阻进行比较，并计算出它们之间的差异。

6. 对数字万用表进行修正：根据比较结果，对数字万用表进行修正。

修正的方法根据不同的型号和制造商可能有所不同，一般需要参考34401A万用表的用户手册和校准设备的说明书。

7. 重复测量：为了确保准确性，可以重复以上步骤，对数字万用表进行多次校准。

8. 记录校准结果：记录校准结果，包括校准时间、标准电阻值、待测电阻值、比较结果和修正结果。

三、34401A电阻校准的方法和注意事项1. 校准方法：34401A万用表常用的电阻校准方法包括两点校准和四点校准。

两点校准适用于较低精度和稳定性要求的测量，而四点校准适用于高精度和稳定性要求的测量。

2. 校准频率：34401A万用表的电阻校准通常需要定期进行，具体的校准频率可以根据实际使用情况和要求来确定。

Agilent 34450A Multimeter5.5 Digit Dual Display, Benchtop DMMData Sheet► Fast reading speed of up to 190 readings/sec ► 0.015% DCV accuracy► Multiple connectivity options – USB 2.0, Serial Interface (RS-232) and GPIB► 11 measurement functions; DC voltage & current, True RMS AC voltage & current, 2- and 4-wire resistance, frequency, continuity, diode test, capacitance and temperature ► Ultra-bright OLED with dual display capability ► Up to 50,000 memory points for data logging ► Built-in Histogram function► With Fluke 45 and Fluke 8808A code compatibilityAchieve throughput breakthroughTurbo charge your production line with the 34450A digital multimeter. With its fast speed of up to 190 readings per second you can now increase your manufacturing throughput tremendously. Get highly accurate, repeatable and trustworthy measurements with the 0.015% DCV accuracy designed to meet generalindustrial and educational needs.Figure 1. Bright OLED display for excellent viewing experience when making measurements.► FeaturesIntuitive andMultipurpose deviceThe 34450A is an intuitive and easy to use tool that provides a wide range of measurement functions such as DC voltage, DC current, True RMS AC voltage and AC current, 2-wire and 4-wire resistance, frequency, diode test, continuity, capacitance and temperature. Simplify your day-to-day task with up to 50,000 memory points, allowing you to capture and log up to 14 hours of data. Built-in with histogram and basic statistical functions, you can now do simple data analysis within the unit itself. With its ultra-bright OLED dualdisplay, different measurements can be performed ensuring you get the right readings at first glance.More flexibility with multiple connectivityMultiple connectivity options such as USB 2.0, Serial Interface (RS-232) and GPIB port provides greater flexibility to connect DMM to a PC for data access and retrieval for analysis. With the option to connect to a PC, this enables the 34450A to work with Agilent Connectivity software and can be controlled remotely via SCPI commands or Command Expert. The IVI-COM driver is also included to ensure an easy integration with different programming environments.Easy migrationUpgrading your obsoleted DMM is made easy with minimal changes to test program. To ensure both forward and backward compatibility, the 34450A includes SCPI, Fluke 45 or Fluke 8808A commands. Experience a quick, easy and painless migration as it allows you to quickly transfer your existing test programs on theAgilent 34450A.Up to 50,000 memory points for data logging and histogram functionMultiple choices of connectivity and trigger in/out capability for production data analysis Kensington lock to better secure the unitFast 190 readings/sec and 0.015% DCV accuracy to help you achieve throughput breakthrough5.5 digit OLED dual display allows clear and quick view on measurements11 measurement functions; DC voltage & current, True RMS AC voltage & current, frequency, continuity, diode test, capacitance and temperatureBuilt-in Math functionsInput terminalsSpecifi cations are for 90 minutes warm- up time, slowmode, and calibration temperature within 18 °C - 28 °CTable 1. DC Accuracy ± (% of reading + % of range)1. 20% over range on all ranges except 1000 VDC and 10 A range.2. Specifications are for 4-wire Ω or 2-wire Ω using NULL function. If without NULL function, add 0.2 Ω additional error.3. Continuity thresholds is fixed at less than 10 Ω4. Specifications are for the voltage measured at the input terminals only.Table 2. AC Accuracy ± (% of reading + % of range)Notes on Specifications:1. 20% over range on all ranges except ACV 750 V and ACI 10 A2. Specifications are for sine-wave inputs more than the 5 % of range except 750 V range. Input signal must be more than 50 Vrms for 750 V range. Maximum crest factor of 3 at full scale. Input impedance is 1 MΩ in parallel with capacitance less than 120 pF, AC couple with up to 400 DCV3. Additional error to be added as frequency > 30 kHz and signal input < 10% of range. 30 kHz to 100 kHz: 0.003% of full scale per kHz4. For input < 200 V rms5. For input < 300 V rms6. For 1A and 10 A ranges, the frequency is verified for less than 5 kHzTable 3. Frequency Accuracy ± (% of reading + 3 counts)Notes on Specifications:1. The frequency can be measured up to 1 MHz as 0.5 V signal to 100 mV / 1 V ranges.2. 10% of range to full scale input on all ranges except where noted. 100 mV range specifications are for full scale or greater inputs. For inputs from 10 mV to 100 mV, multiply total % of reading error by 10.3. 10% of range to full scale input on all ranges except where noted. 10 mA range specifications are for full scale or greater inputs. For inputs from 1 mA to 10 mA, multiply total % of reading error by 10.Table 4. Frequency resolution1. The frequency can be measured up to 1 MHz as 0.5 V signal to 100 mV / 1 V ranges.Specifi cations are for 90 minutes warm- up time, slow mode, and calibration temperature within 18 °C - 28 °CTemperature and Capacitance SpecificationsTable 5 Temperature and Capacitance Accuracy ± (% of reading + % of range)Notes on Specifications:1. 20% over range on all ranges.Specifi cations are for 90 minutes warm- up time, slow mode, and calibration temperature within 18 °C - 28 °COperating SpecificationsTable 6. Operating Specifications on single display (approximate)Notes on Specifications:1. Time to change from 2-wire resistance to this specified function and to take at least one reading using SCPI “FUNC” and “READ?” commands.2. Time to change from one range to the next higher range and to take at least one reading using SCPI “FUNC” and “READ?” commands.3. Time to automatically change one range and to take at least one reading using SCPI “CONF AUTO” and “READ?” commands.4. Number of measurements using SCPI “READ?”command when front panel display is off using “DISP OFF” command.5. Reading rate depends on signal frequency ≥ 20Hz.Supplemental Measurement Specifications Table 7 .Supplemental measurement specificationsGeneral Characteristics103.8 m Standard shipped accessories:• Test lead set • Power cord • USB interface cable • Quick Start Guide • Product Reference CD• Agilent IO Library Suite CD-ROMUpgradable Options:• 3445GPBU - GPIB connectivity upgrade• 3445MEMU - 50,000 memory points upgrade for data loggingDimensions1134138A Test Lead SetE2308A Thermistor Temperature Probe 34191A 2U Dual flange kit: secures the instrument to the front of the rack. This kit can be used with the 34194A dual lock link kit to mount two half-width, 2U height instruments side-by side.34194A Dual lock link kit: recommended for side-by-side combinations and includes links for instruments of different depths. This kit can be used with the 34191A 2U dual flange kit to mount two half-width, 2U height instruments side-by-side.82350B PCI High-Performance GPIB Interface Card 82357B USB/GPIB Interface High-Speed USB 2.010833A/B/C/D/F/G GPIB Cable in various lengths (0.5 m, 1 m, 2 m, 4 m, 0.5 m, 6 m and 8 m)34190A Rackmount kit:designed for use with only oneinstrument, mounted on either theleft or the right side of the rack.Agilent Optional Accessories:Quality Management System Quality Management Sys ISO 9001:2008DEKRA Certified。

安捷伦34420A数字万用表简介及应用方法[优质文档] 安捷伦34420A数字万用表简介及使用方法概述:Agilent 34420A是安捷伦公司生产的一款可提供低电平测量的7?高精度高灵敏度的数字万用表。

可以测量低噪声电压、电阻、温度。

外形介绍:Agilent 34420A前面板操作简易而直观。

前面板由显示屏，通道接口，功能键区三部分构成。

后面板主要由电源接口、RS-232和GPIB接口组成。

功能介绍*Agilent 34420A又叫纳伏/微欧表，可提供7?位分辨率。

是一款适用于进行低电平测量的高灵敏多用表。

它把低噪声电压测量与电阻和温度功能结合在一起，建立了灵活的低电平测量和高性能的新标准。

*1.3nVrms/8 nVpp噪声性能。

运用低噪声输入放大器和高调谐输入保护方案把读数噪声降到了8nVpp。

*可进行高达100pV/100nΩ的高灵敏度DCV和电阻测量。

1.3nVrms/8 nVpp噪声性能再加上7?位分辨率，可选的模拟和数字滤波器，2ppm24小时基本DCV精度，屏蔽，以及铜引脚连接器，使您能得到可信赖的精确和可重复的测量结果。

*内置低噪声双通道扫描仪。

34420A集成的两通道可编程扫描器简化了电压比较。

内置的比率及差值功能可实现两通道的自动测量，而不需要外部纳伏扫描器。

这两个通道共享同样的低噪声特性，以保证精确的比较。

*内置的电阻和温度测量。

34420A把低噪声纳伏输入与高稳定度电流源相组合，提供精密的低电平电阻测量??避免了外电流源的成本和复杂性。

3种使用小功率、弱电流电路的内置电阻测试功能。

所包括的三种电阻模式为:标准、低功率、限制电压(用于固体电路测试)。

也提供最小化EMF和相关误差的偏置比较。

*直接SPRT、RTD、热敏电阻和热偶温度测量。

采用SPPT探头进行温度测量，精度高达0.003?。

内置的ITS-90转换例程使用SPRD探头的校准系数，可以使用户进行直接的温度测量和转换。

34401AAgilent 34401A MultimeterData Sheet• Measure up to 1000 volts with 6½digits resolution• 0.0015% basic dcV accuracy(24 hour)• 0.06% basic acV accuracy (1 year)• 3 Hz to 300 kHz ac bandwidth• 1000 readings/s direct to GPIBSuperior PerformanceThe Agilent Technologies 34401A multime-ter gives you the performance you need for fast, accurate bench and system testing. The 34401A provides a combination of res-olution, accuracy and speed that rivals DMMs costing many times more. 61/2 dig-its of resolution, 0.0015% basic 24-hr dcV accuracy and 1,000 readings/s direct to GPIB assure you of results that are accu-rate, fast, and repeatable.Use It on Your BenchtopThe 34401A was designed with your bench needs in mind. Functions commonly associ-ated with bench operation, like continuity and diode test, are built in. A Null feature allows you to remove lead resistance and other fixed offsets in your measurements. Other capabilities like min/max/avg read-outs and direct dB and dBm measurements make checkout with the 34401A faster and easier.The 34401A gives you the ability to storeup to 512 readings in internal memory. Fortrouble-shooting, a reading hold featurelets you concentrate on placing your testleads without having to constantly glanceat the display.Use It for Systems TestingFor systems use, the 34401A gives youfaster bus throughput than any other DMMin its class. The 34401A can send up to1,000 readings/s directly across GPIB inuser-friendly ASCII format.You also get both GPIB and RS-232 inter-faces as standard features. VoltmeterComplete and External Trigger signals areprovided so you can synchronize to otherinstruments in your test system. In addition,a TTL output indicates Pass/Fail resultswhen limit testing is used.To ensure both forward and backward com-patibility, the 34401A includes three com-mand languages (SCPI, Agilent 3478A andFluke8840A/42A), so you don’t have torewrite your existing test software. Anoptional rack mount kit is available.Easy to UseCommonly accessed attributes, such asfunctions, ranges, and resolution areselected with a single button press.Advanced features are available usingmenu functions that let you optimize the34401A for your applications.The included Agilent IntuiLink softwareallows you to put your captured data towork easily, using PC applications such asMicrosoft Excel or Word to analyze, inter-pret, display, print, and document the datayou get from the 34401A. You can specifythe meter setup and take a single readingor log data to the Excel spreadsheet inspecified time intervals. Program-mers canuse ActiveX components to control theDMM using SCPI commands. To find outmore about IntuiLink, visit/find/intuilink1-Year WarrantyWith your 34401A, you get full documenta-tion, a high-quality test lead set, calibrationcertificate with test data, and a 1-year war-ranty, all for one low price.See Agilent's Truevolt Series of DMMs• Display DMM results in ways you never have before• Measure with unquestioned Truevolt confidence• Move to the next generation 34401A DMM with 100% assurance/find/dmmAccuracy Specifications ± (% of reading + % of range)1Function Range3Frequency, 24 Hour290 Day 1 Year Temperature Coefficientetc. 23°C ±1°C 23°C ±5°C 23°C ±5°C 0°C – 18°C1. Specifications are for 1 hr warm-up and 6½ digits, slow ac filter.2. Relative to calibration standards.3. 20% over range on all ranges except 1000 Vdc and 750 Vac ranges.4. For sinewave input > 5% of range. For inputs from 1% to 5% of range and < 50 kHz, add 0.1% of range additional error.5. 750 V range limited to 100 kHz or 8 x 107 Volt-Hz.6. Typically 30% of reading error at 1 MHz.7. Specifications are for 4-wire ohms function or 2-wire ohms using Math Null. Without Math Null, add 0.2 Ω additional error in 2-wire ohmsfunct i on.8. Input >100 mV. For 10 mV to 100 mV inputs multiply % of readingerror x10.9. Accuracy specifications are for the voltage measured at the input termi-create some variation in the voltage drop across a diode junction.2DC VoltageMeasurement Method: Continuously integrating multi-slope III A-D converterA-D Linearity: 0.0002% of reading +0.0001% of rangeInput Resistance:10 MΩ or 0.1 V, 1 V, 10 V ranges: Selectable > 10,000 MΩ100 V, 1000 V ranges: 10 MΩ ±1% Input Bias Current: < 30 pA at 25°C Input Protection: 1000 V all ranges dcV:dcV ratio accuracy:V input Accuracy + V relevance AccuracyTrue RMS AC Voltage Measurement Method:AC-coupled true rms-measures the ac component of the input with up to 400 Vdc of bias on any range.Crest Factor:Maximum of 5:1 at full scale. Additional Crest Factor errors(non-sinewave):Crest factor 1-2: 0.05% of reading Crest factor 2-3: 0.15% of reading Crest factor 3-4: 0.30% of reading Crest factor 4-5: 0.40% of reading Input Impedance:1 MΩ ± 2% in parallel with 100 pF Input Protection:750 Vrms all ranges ResistanceMeasurement Method:Selectable 4-wire or 2-wire Ohms. Current source referenced to LO input. Maximum Lead Resistance (4-wire): 10% of range per lead for 100 Ω, 1 kΩranges.1 kΩ per lead on all other ranges. Input Protection: 1000 V all rangesDC CurrentShunt Resistance:5 Ω for 10 mA, 100 mA0.1 Ω for 1 A, 3 AInput Protection:Externally accessible 3 A 250 V fuse Internal 7 A 250 V fuse True RMS AC CurrentMeasurement Method:Directly coupled to the fuse and shunt.ac coupled true rms measurement(measures the ac component only).Shunt Resistance:0.1 Ω for 1 A and 3 A rangesInput Protection:Externally accessible 3 A 250 V fuseInternal 7 A 250 V fuseFrequency and PeriodMeasurement Method:Reciprocal counting techniqueVoltage Ranges:Same as ac voltage functionGate Time: 1 s, 100 ms, or 10 msContinuity/DiodeResponse Time:300 samples/s with audible toneContinuity Threshold:Selectable from 1 Ω to 1000 ΩMeasurement Noise Rejection 60 (50) Hz1dc CMRR: 140 dBac CMRR: 70 dBIntegration Time andNormal Mode Rejection2100 plc/1.67 s (2 s): 60 dB310 plc/167 ms (200 ms): 60 dB31 plc/16.7 ms (20 ms): 60 dB<1 plc/3 ms or 800 µs): 0 dBOperating Characteristics4Function Digits Reading/sdcV, dcl, and 6½0.6 (0.5)Resistance 6½ 6 (5)5½60 (50)5½ 3004½1000acV, acl 6½0.15 slow (3 Hz)6½ 1 medium (20 Hz)6½10 fast (200 Hz)56½50Frequency 6½1or Period 5½9.84½80System SpeedsConfiguration rates: 26/s to 50/sAutorange rate (dc Volts): >30/sASCII readings to RS-232: 55/sASCII readings to RS-232: 1000/sMaximum internal trig rate: 1000/sMax. ext trig. rate to mem: 1000/sTriggering and MemoryReading HOLD Sensitivity:10%, 1%, 0.1%, or 0.01% of rangeSamples/Trigger: 1 to 50,000Trigger Delay: 0 to 3600 s: 10 µs stepsizeExternal Trigger Delay: < 1 msExternal Trigger Jitter: < 500 µsMemory: 512 readingsMath FunctionsNULL, min/max/average, dBm, dB, limittest (with TTL output)Standard Programming LanguagesSCPI (IEEE-488.2), Agilent 3478A,Fluke 8840A/42AAccessories IncludedTest lead kit with probe, alligatorand grabber attachmentsOperating manual, service manual,test report and power cordGeneral SpecificationsPower Supply:100 V/120 V/220 V/240 V ±10%Power Line Frequency:45 Hz to 66 Hz and 360 Hz to 440 Hz,Automatically sensed at power-onPower Consumption: 25 VA peak(10 W average)Operating Environment:Full accuracy for 0°C to 55°C,Full accuracy to 80% R.H. at 40°CStorage Temperature: -40°C to 70°CWeight: 3.6 kg (8.0 lbs)Safety: Designed to CSA, UL-1244,IEC-348RFI and ESD: MIL-461C, FTZ 1046, FCCVibration & Shock: MIL-T-28800E, TypeIII, Class 5 (sine only)Warranty: 1 yearMeasurement Characteristics1. For 1 kΩ unbalanced in LO lead,± 500 V peak maximum.2. For power line frequency ± 0.1%.3. For power line frequency ± 1% use 40 dBor ± 3% use 30 dB.4. Reading speeds for 60 Hz and (50 Hz)operat i on.5. Maximum useful limit with default settlingdelays defeated.6. Speeds are for 4½ digits, delay 0, auto-zeroand display OFF.3LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems. Agilent is a founding member of the LXI consor-tium.Agilent Channel Partnersw w /find/channelpartners Get the best of both worlds: Agilent’s measurement expertise and product breadth, combined with channel partner /find/34401AOrdering InformationAgilent 34401A multimeter accessories included: Test lead kit with probe, alliga-tor, and grabber attachments, calibration certificate, test report, and power cord. Also includes CD with: IntuiLink software, IVI and VXI PnP drivers, Quick start tuto-rial, user's guide, command quick refer-ence, service guide, and data sheet. Options34401A-A6JANSI Z540 compliant calibrationAccessoriesProbes/Leads/Clip Accessories11059A Kelvin probe set11060A Surface mount device (SMD) test probes11062A Kelvin clip set34133A Precision electronic test leads 34134A DC coupled current probe34136A High voltage probe34138A Test lead set34171B Input terminal connector(sold in pairs)34172B Input calibration short(sold in pairs)34330A 30 A current shuntE2308A 5 k thermistor probeY1133A Low-thermal external digitalmultimeter scanning kitRack Mount Kits34190A Rackmount kit: designed for use with only one instrument, mounted on either the left or the right side of the rack. 34191A 2U Dual flange kit: secures the instrument to the front of the rack. This kit can be used with the 34194A dual lock link kit to mount two half-width, 2U height instruments side-by side.34194A Dual lock link kit: recommended for side-by-side combinations and includes links for instruments of different depths. This kit can be used with the 34191A 2U dual flange kit to mount two half-width, 2U height instruments side-by-side.Other Accessories34131A Hard transit case34161A Accessory pouch34398A RS-232 cable, 9 pin (f) to 9 pin (f) E5810A LAN/GPIB gateway/quality/find/AdvantageServicesAccurate measurements throughout the life ofyour instruments.Agilent Advantage ServicesThree-Year Warranty/find/ThreeYearWarrantyAgilent’s combination of product reliability andthree-year warranty coverage is another waywe help you achieve your business goals:increased confidence in uptime, reduced costof ownership and greater convenience.For more information on AgilentTechnologies’ products, applications orservices, please contact your local Agilentoffice. The complete list is available at:/find/contactusAmericasCanada (877) 894 4414Brazil (11) 4197 3600Mexico 01800 5064 800United States (800) 829 4444Asia Pacifi cAustralia 1 800 629 485China 800 810 0189Hong Kong 800 938 693India 1 800 112 929Japan 0120 (421) 345Korea 080 769 0800Malaysia 1 800 888 848Singapore 180****8100Taiwan 0800 047 866Other AP Countries (65) 375 8100Europe & Middle EastBelgium 32 (0) 2 404 93 40Denmark 45 45 80 12 15Finland 358 (0) 10 855 2100France 0825 010 700**0.125€/minuteGermany 49 (0) 7031 464 6333Ireland 1890 924 204Israel 972-3-9288-504/544Italy 39 02 92 60 8484Netherlands 31 (0) 20 547 2111Spain 34 (91) 631 3300Sweden 0200-88 22 55United Kingdom 44 (0) 118 927 6201For other unlisted countries:/find/contactus(BP-3-1-13)Product specifications and descriptionsin this document subject to changewithout notice.© Agilent T echnologies, Inc. 2013Published in USA, June 17, 20135968-0162EN/find/myagilentA personalized view into the informationmost relevant to you.myAgilent34401A。