AGILENT TECHNOLOGIES 34420A
Contents
1. 1 0000000 MQ 5 pA 0 0020 0003 0 0050 0004 0 0070 0004 0 0006 00003 1 KQ Low Power 1 0000000 Q 10 mA 0 0015 0002 0 0050 0002 0 0070 0002 0 0005 00002 1Q Resistance 10 000000 Q 10 mA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 1Q 100 00000 Q 1mA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 10Q 1 0000000 KQ 100 pA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 100 Q 10 000000 KQ 10 pA 0 0015 0004 0 0040 0004 0 0060 0004 0 0005 00001 1 KQ 100 00000 KQ 5 pA 0 0015 0012 0 0040 0015 0 0060 0015 0 0005 00003 1 KQ 1 0000000 MQ 5 pA 0 0020 0003 0 0050 0004 0 0070 0004 0 0006 00003 1 KQ Voltage Limited 10 000000 Q 1 mA 0 0020 0002 0 0050 0002 0 0070 0002 0 0005 00002 1Q Resistance 100 00000 Q 100 pA 0 0025 0002 0 0050 0002 0 0070 0002 0 0005 00002 5Q Channel 1 Channel 2 dcV Ratio Channel 1 Channel 2 dcV Difference Ratio Error in Channel 1 accuracy in Channel 2 accuracy in Difference Error Channel 1 of reading of range Channel 2 of reading of range Temperature resolution 0 001 C SPRT SPRT Probe Accuracy 0 003 C RTD RTD Probe Accuracy 0 05 C Thermistor Thermistor Probe Accuracy 0 1 C Thermocouple Thermocouple Probe Accuracy 0 2 C DC Voltage Noise 1 Specifications are for Channel 1 or Ch2. 7 digits resolution 100pv 100 nQ sensitivity 1 3 nVrms 8 nVpp noise performance Built in low noise 2 channel scanner Direct SPRT RTD Thermistor and Thermocouple measurements Nanovolt Performance at a Microvolt Price The Agilent Technologies 34420A nanoVolt micro Ohm meter is a high sensitivity multimeter optimized for performing low level measure ments It combines low noise voltage measurements with resistance and temperature functions setting a new standard in low level flexibility and performance Take the Uncertainty Out of Your Low Level Measurements Low noise input amplifiers and a highly tuned input protection scheme bring reading noise down to 8 nVpp Combine this with 7 2 digits of reso lution selectable analog and digital filtering 2 ppm basic 24 hour dcV accuracy and a shielded copper pin connector and you ve got accurate repeatable measurements you can count on Agilent 34420A nanoVolt micro Ohm meter Data Sheet Two Input Channels An integral two channel programmable scanner simplifies voltage comparisons Built in ratio and difference functions enable automated two channel measurements without the need for an external nanoVolt scanner Both channels share the same low noise specifications to ensure accurate comparisons Built In Resistance and Temperature The 34420A combines its low noise nanoVolt input circuits with a high stability current source to prov
3. Trigger Rate 250 s Max Ext Trig Rate to Memory 250 s Triggering and Memory Reading HOLD Sensitivity 10 1 0 1 or 0 01 of range Samples Trigger 1 to 50 000 Trigger Delay 0 to 3600 s 10 us step size External Trigger Delay lt 1 ms External Trigger Jitter lt 500 us Memory 1024 readings Math Functions NULL Channel 1 dcV Channel 2 dcV Difference Resistance Temperature STATS Min Max Average Peak Peak Standard Deviation Number of readings SCALE Allows linear scaling as y mx b CHART NULL Establishes zero for rear panel output Filter Analog or Digital or Both Analog Low pass 2 pole 13Hz available for dcV on 1 mV 10 mV 100 mV range Digital Moving average filter 10 fast 50 medium or 100 slow reading averages 1 For 1 kQ unbalanced in LO lead 2 For power line frequency 0 1 Filters OFF For Digital Filter slow add 20 db for medium or fast add 10 db for NPLC gt 1 3 For power line frequency 1 use 80 db for 3 use 60 db 4 Speeds are for delay 0 Display OFF Filters OFF Offset Compensation OFF 5 Reading speeds for 60 Hz or 50 Hz 100 mV through 100 V ranges 1 mV range 30 s MAX 10 mV range 170 s MAX thermocouple 120 s MAX 6 Speeds are for NPLC 0 02 Delay 0 Display OFF Chart Out OFF Maximum output 3V Resolution 16 bits Accuracy 0 1 of output 1 mV Output Resistance 1 kQ 5 Upda
4. age a 2 minute rms and 24 hour noise typical For measurements using 0 02 or 0 2 Source Analog Digital NPLC add 800 nV rms noise Resistance Noise Filter Filter 10 Typical noise behavior for Ch 1 or Ch 2 after 2 hour warm up 6 5 digits 10 0 1 3 nVrms Off Med PLC 2 minute observation period on 1 mV range For peak to peak noise mul tiply rms noise by 6 100 1 7 nVrms Off Med 1k 4nVrms Off Med 10k 13 nVrms Off Med 100k 41 nVrms On Med 1M 90 nVrms On Slow Measurement Characteristics DC Voltage Measurement Method Continuously integrating multi slope III A D Converter A D Linearity 0 00008 of reading 0 00005 of range Input Resistance 100V Ch1 only 10 MQ 1 1mV through 10V gt 10 GQ in parallel with lt 3 6 nF Input Bias Current lt 50 pA at 25 C Injected Current lt 50 nA pp at 50 or 60 Hz Input Protection 150 V peak any input terminal to Channel 1 LO continuous Channel to channel switching error typical 3 nV Channel Isolation Isolation between input channels gt 10 Q Earth Isolation 350 V peak any input terminal to earth Impedance from any input terminal to earth is gt 10 GQ and lt 400 pF Maximum Voltage Channel 1 LO to Channel 2 LO 150V peak Resistance Measurement Method Selectable 4 wire or 2 wire ohms Current Source referenced to Channel 1 LO input Offset Compensation Used on all ranges except 100 kQ and 1 MQ Can be turned off if desir
5. annel 2 after 2 hour warm up resolution 7 7 at 7 5 digits 100 NPLC with FILTERS off RESISTANCE specifications are for 4 Observation Period wire Ohms or 2 wire ohms using Null Without Null add 0 2 Ohms additional B 5 error in 2 wire Ohms function For Analog Filter ON add 0 002 of reading Range 2 Minute 2 Minute 24 Hour 2 20 overrange on all ranges except 5 on Voltage Limited Resistance RMS Peak Peak Peak Peak 3 After using Math Null If Null is not used add 100 nanoVolts Noise Noise Noise 4 Channel 1 only 1 mV 1 3 nVrms 8 nVpp 12 nVpp 5 Channel 1 only Resistance measurements for NPLC lt 1 add 160 uQ rms noise 6 Voltage limit can be set to 20 mV default 100 mV or 500 mV Measured 10 mV 1 5 nVrms 10 nVpp 14 nVpp resistance plus Channel 1 HI and LO lead resistance is limited to 10 5 Q on the 100 mV 10 nVrms 65 nVpp 80 nVpp 10 Q range and 105 Q on the 100 Q range 7 For 25Q SPRT with triple point of water check within the last 4 hours With no 1V 100 nVrms 650 nVpp 800 nVpp triple point of water check add 0 013 C for 24 hours add 0 035 C for 90 day 10 V 450 nVrms 3 pVpp 3 7 pVpp and add 0 55 C for 1 year specifications 100 V 11 pVrms 75 uVpp 90 uVpp 8 For fixed reference junction Add 0 3 C for external reference junction add 2 0 C for internal reference junction P 9 After a 2 hour warm up 1 C 6 5 digits 10 PLC with Analog Filter Off and DC Voltage Noise vs Source Resistance Digital Filter Medium 50 reading aver
6. echnologies From the product s proven gt 150 000 hour Mean Time Between Failure to its standard 1 year warranty Agilent stands behind you to bring a new level of confidence to your low level measurements a Agilent Technologies Specifications Accuracy Specifications of reading of range Function Range Test Current 24 Hour 90 Day 1 Year Temperature Maximum 23 C 1 C 23 C 5 C 23 C 5 C Coefficient per Lead 0 C 18 C Resistance 28 C 55 C dc Voltage 1 0000000 mV 0 0025 0020 0 0040 0020 0 0050 0020 0 0004 0001 10 000000 mV 0 0025 0002 0 0040 0002 0 0050 0003 0 0004 0001 100 00000 mV 0 0015 0003 0 0030 0004 0 0040 0004 0 0004 00006 1 0000000 V 0 0010 0003 0 0025 0004 0 0035 0004 0 0004 00004 10 000000 V 0 0002 0001 0 0020 0004 0 0030 0004 0 0001 00002 100 00000 V 0 0010 0004 0 0025 0005 0 0035 0005 0 0004 00005 Resistance 1 0000000 Q 10 mA 0 0015 0002 0 0050 0002 0 0070 0002 0 0005 00002 1Q 10 000000 Q 10 mA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 1Q 100 00000 Q 10 mA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 10 Q 1 0000000 KQ 1 mA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 100 Q 10 000000 KQ 100 pA 0 0015 0002 0 0040 0002 0 0060 0002 0 0005 00001 1 KQ 100 00000 KQ 10 pA 0 0015 0003 0 0040 0004 0 0060 0004 0 0005 00002 1 KQ
7. ed Protection 150 V peak Open Circuit Voltage For Resistance and Low Power Resistance lt 14 V 20 mV 100 mV 500 mV selectable clamp Temperature SPRT ITS 90 calibrated temperature with the range of 190 C to 660 C Thermocouple ITS 90 conversions of Type B E J K N R S T Thermistor 5 kQ RTD Type a 00385 and a 00392 R from 4 9 Q to 2 1 kQ ITS 90 IEC 751 Callendar Van Dusen conversion Measurement Noise Rejection 60 50 Hz dc CMRR 140 dB ac CMRR 70 dB Integration Time Normal Mode Operating Characteristics Rejection 200 plc 3 335 s 4 s 110 dB 100 plc 1 675 s 2 s 105 dB 20 plc 334 ms 400 ms 100 dB 10 plc 167 ms 200 ms 95 dB3 2 plc 33 3 ms 40 ms 90 dB 1 plc 16 7 ms 20 ms 60 dB lt 1 ple 0 Function Digits Integration Time Readings s dcV Th 200 plc 15 125 Thermocouple Th 100 plc 3 25 61 2 20 plc 1 5 1 25 61 2 10 plc 3 2 5 51 2 1 plc 25 20 8 51 2 0 2 plc 100 100 Mh 0 02 plc 250 250 Resistance Th 200 plc 075 062 dcV1 DCV2 Th 100 plc 15 125 dcV 1 2 6 2 20 plc 75 625 RTD 61 2 10 plc 1 5 1 25 Thermistor 51 2 1 plc 12 5 10 4 0 2 plc 50 50 41 2 0 02 plc 125 125 System Speeds Chart Out Analog Out Configuration Rates 26 s to 50 s Autorange Rate Volts gt 30 s ASCII reading to RS 232 55 s ASCII reading to GPIB 250 s Max Internal
8. ide precise low level resistance measure ments no more hassling with the cost and complexity of an external current source Three resistance modes are included e Standard e Low power e Voltage limited for dry circuit testing Offset compensation is also provided to minimize thermal EMFs and associated errors SPRT Measurements Built in ITS 90 conversion routines accept the calibration coefficients from your SPRT probe for direct temperature measurement and con version Thermocouples thermistors and RTDs are also supported Unequaled Versatility The 34420A gives you the versatility to tackle your most challenging tasks both on the benchtop and in your automated system Standard features include RS 232 and GPIB interfaces SCPI and Keithley 181 programming language 1024 reading memory scaling and statistics and a chart recorder analog output Agilent IntuiLink Easy Data Access The included Agilent IntuiLink software allows your captured data to be put to work easily using PC applications such as Microsoft Excel or Word to analyze interpret display print and document the data you get from the 34420A You can specify the meter setup and take a single reading or log data to the Excel spreadsheet in specified time intervals To find out more about IntuiLink visit www agilent com find intuilink Quality You Can Count On The 34420A gives you the quality and reliability you expect from Agilent T
9. ng manual 34420A ABJ Japanese localization translated operating manual 34420A A6J ANSI Z540 compliant calibration Accessories 34102A Low thermal input cable four conductor with copper spade lugs 34103A Low thermal shorting plug 34104A Low thermal input connector 34161A Accessory pouch Authorized Agilent Distributor Click here to Buy 800 800 5001 Transcat com Agilent Technologies Test and Measurement Support Services and Assistance Agilent Technologies aims to maximize the value you receive while minimizing your risk and problems We strive to ensure that you get the test and measurement capabilities you paid for and obtain the support you need Our extensive support resources and services can help you choose the right Agilent products for your applications and apply them successfully Every instrument and system we sell has a global warranty Two concepts underlie Agilent s overall support policy Our Promise and Your Advantage Our Promise Our Promise means your Agilent test and measurement equipment will meet its advertised performance and functionality When you are choosing new equipment we will help you with product information including realistic performance specifications and practical recommendations from experienced test engineers When you receive your new Agilent equipment we can help verify that it works properly and help with initial product operation Your Advantage Your Advan
10. tage means that Agilent offers a wide range of additional expert test and measurement services which you can purchase according to your unique technical and business needs Solve problems efficiently and gain a competitive edge by contracting with us for calibration extra cost upgrades out of warranty repairs and onsite education and training as well as design system integration project management and other professional engineering services Experienced Agilent engineers and technicians worldwide can help you maximize your productivity optimize the return on investment of your Agilent instruments and systems and obtain dependable measurement accuracy for the life of those products Product specifications and descriptions in this document subject to change without notice Agilent Technologies Inc 1998 2000 2005 Printed in U S A March 14 2005 5968 0161EN 7 Agilent Technologies
11. te rate once per reading Span and Offset Adjustable Standard Programming Languages SCPI IEEE 488 2 Keithley 181 Accessories Included 4 ft low thermal cable with copper spade lugs 4 wire shorting plug user s manual service man ual test report contact cleaner and power cord General Specifications Front Panel Connection Shielded low thermal 99 copper contacts Power Supply 100V 120V 220V 230V 240V 10 Power Line Frequency 45 Hz to 66 Hz and 360 Hz to 440 Hz Automatically sensed at power on Power Consumption 25VA peak 10W average Operating Environment Full accuracy for 0 C to 55 C Full accuracy to 80 R H up to 30 C Storage Environment 40 C to 75 C Size 254 4 mm W x 374 0 mm L x 103 6 mm H 10 02 W x 14 72 L x 4 08 H Weight 3 kg 6 5 Ibs Safety Designed to CSA UL 1244 IEC 1010 RFI and ESD CISPR 11 Ordering Information 34420A nanoVolt micro Ohm meter Includes low thermal input cable 34102A low thermal shorting plug 34103A Kelvin clip set 11062A operating manual service manual and quick reference guide test report with calibration sticker 2 3 ml bottle of contact cleaner and power cord Options 34420A 1CM Rack mount kit P N 5062 3972 34420A ABA English localization 34420A ABD German localization translated operating manual 34420A ABF French localization translated operati
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