Agilent 4284A Precision LCR Meter
Contents
1. gt gt Z gt Z a 2 S A Oop op CN as g Op 0 2 0 3 np A3 RS o 0 2 RS Z A2 On s RS A sf 0 1 0 15 A2 gt Z R Xp 0 05 0 1 gt ep Al s gt up RS ng wv 2 RS CM gs gt 0 2 s o A2 Ony NX 25 0 3 A3 20 30 100 1k 10k 100k 1M Hz 30k 300k Test frequency The following table lists the value of A A2 A3 and A4 When Atl is indicated find the Atl value using Figure 1 4 Test signal voltage 0 15 0 3 20 Vrms Atl 0 1 0 25 0 1 Atl 0 2 0 3 0 5 X Alt 0 1 Q O 33m 0 15 20 Vrms Multiply the A values as follows when the test Add 0 15 to the A values when all of the follow frequency is less than 300 Hz ing measurement conditions are satisfied 100 Hz lt fm lt 300 Hz Multiply the A values by 2 Test frequency 300 kHz lt fi lt 1 MHz Jm lt 100 Hz Multiply the A values by 2 5 Test signal voltage 5 Vims lt Vs lt 20 Vims DUT Inductor Zm lt 200 Q Zm impedance of DUT INTEG TIME SHORT 5m 10m 20m 50m 100m 200m 500m 1 2 5 10 20 Vrms Test signal voltage Figure 1 4 Basic accuracy A 2 of 2 Ka and K values are the incremental factors in low impedance and high impedance measurements respectively K is practical2. where Rx Measured R value Q x Measured D value Relative D accuracy oS R accuracy When D measured D value lt 0 1 R accuracy is given as Xs X De Q 1 Xx 2 TfL nil x where Measured X value Q Measured C value F DX L Measured L value H D Relative D accuracy f Test frequency Hz Example of C D Accuracy Calculation Measurement conditions Frequency 1 kHz C measured 100 nF Test signal voltage 1 Vims Integration time MEDIUM Cable length Om Then A 0 05 IZml M O 2m X 1X 103 X 100 x 109 1590 Q _ 1x 103 200 2 200 1590 1000 75 x 107 70 x1x 9 Kp 1590 x 1X 10 1 1 70 x 108 K 0 Therefore Caccuracy 0 05 7 5 x 107 1 70 x 10 x 100 0 05 o 0 0 ol t Daccuracy 1 0 0005 Specification Charts and Tables S Q 10n 100M 100n ai ty 1M 320k 104 100k 32k a 1004 J 10k ce 100m 15 10 1 1 10 100m 100 10m Figure 1 3 Basic accuracy A 1 of 2 On boundary line apply the better value Example of how to find the A value 0 05 A value when 0 3 Vims lt Vs lt 1 Vims and integration time is MEDIUM and LONG A value when 0 3 Vims lt Vs lt 1 Vims and integration time is SHORT A A value when V lt 0 3 Vims or Vs gt 1 Vims To find the value of A As As and Ay refer to the following table 0 1 V Test signal voltage
3. 75 0 15 0 05 1kQ 75 2 25 0 45 0 15 3 kQ 25 75 1 5 0 5 10 kQ 75 22 5 4 5 1 5 30 kQ 250 75 15 5 100 kQ 750 225 45 15 Calculation Example Measurement conditions DUT 100 pF Test signal level 20 mVrms Test frequency 10 kHz Integration time MEDIUM Then DUT s impedance 1 27 x 10 x100 x107 159 kQ Measurement range is 100 kQ DC bias current lt lt 1 mA P 15 according to Table 1 7 Ae of relative accuracy without bias current isola tion is 0 22 Refer to relative accuracy of specification Then N 15 x 159 x 10 100 x 10 x 1 20 x 10 x 10 0 12 Therefore relative capacitance accuracy is 0 22 0 12 0 34 DC Bias Settling Time When DC bias is set to on add the settling time listed in the following table to the measurement time This settling time does not include the DUT charge time Bias current isolation Test frequency fm On Off 20 Hz lt fn lt 1 kHz 210 ms 20 ms 1 kHz lt fm lt 10 kHz 70 ms 20 ms 10 kHz lt fin lt 1 MHz 30 ms 20 ms Sum of DC bias settling time plus DUT capacitor charge time is shown in the following figure Bias source Bias current isolation Test frequency fm 1 Standard On Off 20 Hz lt fm lt 1 MHz 2 Option 4284A 001 Off 20 Hz lt fm lt 1 MHz 3 On 10 kHz lt fm lt 1 MHz 4 On 1 kHz lt fm lt 10 kHz 5 On 20 Hz lt fm lt 1 kHz 100sec 10sec 1sec Setti
4. Ka Kaa Ke x 100 Ka x Ke Where e K Impedance proportional factor refer to Table 1 1 e Kaa Cable length factor refer to Table 1 2 e K Calibration interpolation factor refer to Tables 1 4 and 1 5 e Kg Cable length factor refer to Table 1 6 e Ke Temperature factor refer to Figure 1 5 e X accuracy apply when D measured D value lt 0 1 R accuracy apply when Qx measured Q value lt 0 1 e When D gt 0 1 multiply A by NG D for X accuracy e When Q gt 0 1 multiply A by 1 Q for R accuracy When measured value lt 10 mQ calibration accu racy Aca Which is described on page 11 is given as follows Calibration accuracy e When 20 Hz lt fm lt 1 kHz calibration accuracy is 0 03 e When 1 kHz lt fm lt 100 kHz calibration accuracy is 0 05 e When 100 kHz lt fm lt 1 MHz calibration accuracy is 0 05 5 x 10 fm e fm test frequency kHz Aca 0 1 when Hi PW mode is on Correction Functions Zero open Eliminates measurement errors due to parasitic stray impedances of the test fixture Zero short Eliminates measurement errors due to parasitic residual impedances of the test fixture Load Improves the measurement accuracy by using a working standard calibrated device as a reference List Sweep A maximum of 10 frequencies or test signal levels can be programmed Single or sequential test can be performed When Option 4284A 001 is inst
5. cable Test signal voltage Vrms 20 100 1k 10k 100k 1M Frequency Hz Figure 1 1 Test signal voltage and test frequency upper limits to apply relative accuracy to 2 m and 4 m cable length operation 3 OPEN and SHORT corrections have been performed 4 Bias current isolation Off For accuracy with bias current isolation refer to supplemental performance characteristics 5 Test signal voltage and DC bias voltage are set according to Figure 1 2 6 The optimum measurement range is selected by matching the DUT s impedance to the effective measuring range For example if the DUT s impedance is 50 kQ the optimum range is the 30 kQ range Range 1 Relative accuracy can apply Range 2 The limits applied for relative accuracy differ according to the DUT s DC resistance Three dotted lines show the upper limits when the DC resistance is 10 Q 100 Q and 1 KQ DC resistance 1 kQ DC resistance 100 Q DC resistance 10 Q Range 3 Test signal voltage Vrms 0 5 10 15 20 25 30 35 40 DC bias voltage setting V Figure 1 2 Test signal voltage and DC bias voltage upper limits apply for relative accuracy Z IYI L C R X G and B accuracy Z Y L C R X G and B accuracy A is given as Ae A Ka Kaa Ko X Kop Ke X 100 Ka x Ke A Basic accuracy refer to Figure 1 3 and 1 4 Ka Impedance proportional factor refer to Table 1 1 Kaa Cable length factor r
6. container 5 Mark the shipping container FRAGILE to help ensure careful handling 6 In any correspondence refer to the 4284A by model number and by its full serial number Caution The memory card should be removed before packing the 4284A Test Equipment Depot 99 Washington Street Melrose MA 02176 6024 www testequipmentdepot com 800 517 8431 781 665 0780 FAX Test Equipment Depot 99 Washington Street Melrose MA 02176 6024 www testequipmentdepot com 800 517 8431 781 665 0780 FAX 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 Support is available for at least five years beyond the production life of the product 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 specifica tions and practi
7. lt 120 ms 100 Hz lt fa lt 1 kHz lt 160 ms fn lt 100 Hz Test signal level lt 120 ms Measurement range lt 50 ms range shift fm 1 kHz Input Protection Internal circuit protection when a charged capaci tor is connected to the UNKNOWN terminals The maximum capacitor voltage is Vmas 5 V where Vmax lt 200 V C is in Farads Measurement Time Typical measurement times from the trigger to the output of EOM at the handler interface EOM end of measurement Integration Test frequency time 100 Hz 1 kHz 10 kHz 1 MHz SHORT 270 ms 40 ms 30 ms 30 ms MEDIUM 400 ms 190 ms 180 ms 180 ms LONG 1040 ms 830 ms 820 ms 820 ms 2000 1000 LONG 600 5 400 g 0 MEDIUM 2 g Ep 5 F SHORT a 20 10 20 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz Test frequency Display time Display time for each display format is given as MEAS DISPLAY page BIN No DISPLAY page BIN COUNT DISPLAY page Approx 8 ms Approx 5 ms Approx 0 5 ms GPIB data output time Internal GPIB data processing time from EOM output to measurement data output on GPIB lines excluding display time Approx 10 ms DC Bias 1 5 V 2 V Output current 20 mA max Option 4284A 001 Power Amp DC Bias DC bias voltage DC bias voltage applied to DUT Vaut is given as Vane Vp 100xI V Where V is DC bias setting voltage V I is DC bias current A DC bias current DC bias current applie
8. 0 Hz 100 120 150 200 250 300 400 500 600 800 Hz 1 12 15 2 25 3 4 5 6 8 kHz 10 12 15 20 25 30 40 50 60 80 kHz 100 120 150 200 250 300 400 500 600 800 kHz 1 MHz Table 1 6 Cable length factor K4 Test signal Cable length level 1m 2m 4m lt 2Vms 25x10 1 50 xf 5 xX104 1 50 xf 1x 101 50 xf gt 2Ving 25x10 1 16 xf 5x10 1416 xf 1x 102 1 16 x fy RE NESE IESE Figure 1 5 Temperature factor K 10 Agilent 4284A Calibration Accuracy Calibration accuracy is shown in the following figure S 9 10n 100M 100n 10M Acal 0 03 1 x 10 fm qcal 100 20fm x 10 1u 1M 320k 10u 100k mn 32k 03 1x 10 fi a Xx m l 100p lt 10k 100 204m x10 oc gt m N k 10m 100 100m 15 10 1 1 H fale 10 100m t 100 10m 20 30 100 1k 10k 100k 1M Hz 30k 300k Test frequency Jm test frequency kHz Aca 0 1 when Hi PW mode is on On boundary line apply the better value Aca 800 fm x 10 rad when Hi PW mode is on Upper value Aca is Z Y L C R X G and B calibration accuracy Phase calibration accuracy in degree Oca deg is given as Lower value Oca is phase calibration accuracy 180 in radians Oca deg HX Coa rad Additional Specifications When measured value lt 10 mQ Z R and X accu racy A which is described on page 5 is given as following equation Z R and X accuracy Ae
9. 1 of setting 1 mV 4 002 to 8 000 V 2mV 0 1 of setting 2 mV 8 005 to 20 000 V 5 mV 0 1 of setting 5 mV 20 01 to 40 00 V 10 mV 0 1 of setting 10 mV Test signal level gt 2 Vins Voltage range Resolution Setting accuracy 0 000 to 4 000 V 1mV 0 1 of setting 3 mV 4 002 to 8 000 V 2 mV 0 1 of setting 4 mV 8 005 to 20 000 V 5 mV 0 1 of setting 7 mV 20 01 to 40 00 V 10 mV 0 1 of setting 12 mV Setting accuracies apply when the bias current iso lation function is set to OFF When the bias current isolation function is set to on add 20 mV to each accuracy value DC bias current lt 1 pA Bias current isolation function A maximum DC bias current of 100 mA typical value can be applied to the DUT DC bias monitor terminal Rear panel BNC connector Other Options Option 4284A 700 Option 4284A 001 Option 4284A 002 Option 4284A 004 Option 4284A 006 Option 4284A 201 Option 4284A 202 Option 4284A 301 Option 4284A 710 Option 4284A 907 Option 4284A 908 Option 4284A 909 Option 4284A 915 Standard power 2 V 20 mA 2 V DC bias Power amplifier DC bias Bias current interface Allows the 4284A to control the 42841A bias current source Memory card 2 m 4 m cable length operation Handler interface Handler interface Scanner interface Blank panel Front handle kit Rack mount kit Rack flange and handle kit Add service manual Op
10. Specifications The complete Agilent Technologies 4284A specifi cations are listed in this data sheet These specifi cations are the performance standards or limits against which the instrument is tested When shipped from the factory the Agilent 4284A meets the specifications listed here Measurement Functions Measurement parameters Z Absolute value of impedance Y Absolute value of admittance Inductance Capacitance Resistance Conductance Dissipation factor Quality factor Equivalent series resistance Parallel resistance Reactance Susceptance Phase angle a SUK DADOUVQAAQHM I Combinations of measurement parameters IZI IYI L C R G Agilent 4284A Precision LCR Meter 0 deg 0 rad D Q Rs Rp G X B Test Equipment Depot 99 Washington Street Melrose MA 02176 6024 www testequipmentdepot com 800 517 8431 781 665 0780 FAX Data Sheet Mathematical functions The deviation and the percent of deviation of measurement values from a programmable reference value Equivalent measurement circuit Parallel and series Ranging Auto and manual hold up down Trigger Internal external BUS GPIB and manual Delay time Programmable delay from the trigger command to the start of the measurement 0 to 60 000 s in 1 ms steps Measurement terminals Four Terminal pair Test cable length Standard 0 m and 1 m selectable With Option 4284A 006 0 m 1 m 2 m a
11. acies apply when test cable length is 0 m or 1 m The additional error when test cable length is 2m or 4 m is given as fry x 1 where fn Test frequency MHz L Test cable length m For example DUT s impedance 50 Q Test signal level 0 1 Vims Measurement accuracy 0 1 Then voltage level monitor accuracy is 3 1 of reading 0 5 MVims Display Range Parameter Range Z R X 0 01 Q to 99 9999 MQ Y G B 0 01 nS to 99 9999 S c 0 01 fF to 9 99999 F L 0 01 nH to 99 9999 kH D 0 000001 to 9 99999 Q 0 01 to 99999 9 0 180 000 to 180 000 A 999 999 to 999 999 Absolute Accuracy Absolute accuracy is given as the sum of the relative accuracy plus the calibration accuracy IZI IY L C R X G and B accuracy IZI Y L C R X G and B accuracy is given as Ae Acal where Ae Relative accuracy Aca Calibration accuracy L C X and B accuracies apply when D measured D value lt 0 1 R and G accuracies apply when Q measured Q value lt 0 1 G accuracy described in this paragraph applies to the G B combination only D accuracy D accuracy is given as D Ocal where D is the relative D accuracy Ocar is the calibration accuracy radian Accuracy applies when D measured D value lt 0 1 Q accuracy Q accuracy Q is given as Q xD Q 4 _ 1 0 xD where Q Measured Q value D D accuracy Q accuracy applies when Q x D l
12. alled DC bias voltages can also be programmed Comparator Function Ten bin sorting for the primary measurement parameter and IN OUT decision output for the secondary measurement parameter Sorting modes Sequential mode Sorting into unnested bins with absolute upper and lower limits Tolerance mode Sorting into nested bins with absolute or percent limits Bin count 0 to 999 999 List sweep comparator HIGH IN LOW decision output for each point in the list sweep table DC Bias 0 V 1 5 V and 2 V selectable Setting accuracy 5 1 5 V 2 V Other Functions Store load Ten instrument control settings including comparator limits and list sweep programs can be stored and loaded from and into the internal non volatile memory Ten additional settings can also be stored and loaded from each removable memory card GPIB All control settings measured values comparator limits list sweep program ASCII and 64 bit binary format GPIB buffer memory can store measured values for a maximum of 128 measurements and output packed data over the GPIB bus Complies with IEEE 488 1 and 488 2 The programming language is TMSL Interface functions SH1 AH1 T5 L4 SR1 RL1 DC1 DT1 CO E1 Self test Softkey controllable Provides a means to confirm proper operation Options Option 4284A 001 power amp DC bias Increases test signal level and adds the variable DC bias voltage function Test signal level Mode Range Sett
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14. d to DUT Iau is given as Vo Tout 100 Rac A where V is DC bias setting voltage V Rac is the DUT s DC resistance Q Maximum DC bias current when the normal measurement can be performed is as follows Measurement range 10 Q 1009 3000 1kQ 3 kQ WkQ 30kQ 100kQ Bias current isolation On 100 mA Off 2mA 2mA 2mA TmA 300pA 100pA 30pA 10pA Relative accuracy with bias current isolation When the bias current isolation function is set to on add the display fluctuation N given in the fol lowing equation to the A of relative accuracy Refer to relative accuracy of specification The following equation is specified when all of the following conditions are satisfied DUT impedance 100 Q Test signal level setting lt 1 Vims DC bias current 1 mA Integration time MEDIUM N Px DUTimpedance x DCbias current mA x x104 Measurement range Q Test signal level Vms Vn where P is the coefficient listed on Table 1 7 n is the number of averaging 16 When the DC bias current is less than 1 mA apply N value at 1 mA When integration time is set to SHORT multiply N value by 5 When integration time is set to LONG multiply N value by 0 5 Table 1 7 Coefficient related to test frequency and measurement range Meas Test frequency f Hz range 20 lt fn 100 lt fm 1k lt fm 10 k lt fm lt 100 lt 1k lt 10k lt 1M 100 Q 0 75 0 225 0 045 0 015 300 Q 2 5 0
15. dry envi ronment The following environmental limitations apply for both storage and shipment Temperature 20 C to 60 C Humidity lt 95 RH at 40 C To prevent condensation from taking place on the inside of the 4284A protect the instrument against temperature extremes Original packaging Containers and packing materials identical to those used in factory packaging are available through your closest Agilent sales office If the instrument is being returned to Agilent for servic ing attach a tag indicating the service required the return address the model number and the full serial number Mark the container FRAGILE to help ensure careful handling In any correspon dence refer to the instrument by model number and its full serial number Other packaging The following general instructions should be used when repacking with commercially available materials 1 Wrap the 4284A in heavy paper or plastic When shipping to an Agilent sales office or service center attach a tag indicating the service required return address model number and the full serial number 2 Use a strong shipping container A double walled carton made of at least 350 pound test material is adequate 3 Use enough shock absorbing material 3 to 4 inch layer around all sides of the instrument to provide a firm cushion and to prevent move ment inside the container Use cardboard to protect the front panel 4 Securely seal the shipping
16. efer to Table 1 2 Kp Impedance proportional factor refer to Table 1 1 K Cable length factor refer to Table 1 3 K Calibration interpolation factor refer to Table 1 4 K Cable length factor refer to Table 1 6 K Temperature factor refer to Figure 1 5 L C X and B accuracies apply when D measured D value lt 0 1 R and G accuracies apply when Q measured Q value lt 0 1 When D 2 0 1 multiply A byy 1 D2 for L C X and B accuracies When Q 2 0 1 multiply A by y 1 Q for R and G accuracies G accuracy described in this paragraph applies to the G B combination only D accuracy D accuracy D is given as Ae D 22 e 10 o Accuracy applies when D measured D value lt 0 1 When D gt 0 1 multiply De by 1 D Q accuracy Q accuracy is given as x De 1 70xDe where Q Measured Q value De Relative D accuracy Accuracy applies when Q x De lt 1 0 accuracy 0 accuracy is given as 180 x Ae ax 100 79 G accuracy When D measured D value lt 0 1 G accuracy is given as By X De S _ 1 By 2 mC kag Infl where B Measured B value S C Measured C value F L Measured L value H D Relative D accuracy f Test frequency Hz G accuracy described in this paragraph applies to the C G and L G combinations only R accuracy When Dy measured D value lt 0 1 Ry accuracy is given as R x X D e Q ime
17. ing accuracy Voltage Non constant 5 mV to 20 Vrms 10 1 mV Constant 10 mV to 10 Vrms 10 1 mV Current Non constant 50 pA to 200 mArms 10 10 pA Constant 100 pA to 100 mArms 10 10 pA 1 Automatic level control function is set to on Output impedance 100 Q 6 Test signal level monitor Mode Range Accuracy Voltage gt 2 Vims 3 of reading 5 mV 5 mV to 2 Vims 3 of reading 0 5 mV 0 01 mV to 5 mMVims 11 of reading 0 5 mV Current gt 20 mArms 3 of reading 50 WA 50 pA to 20 mArms 3 of reading 5 pA 0 001 pA to 50 vArms 11 of reading 1 pA 1 Add the impedance measurement accuracy to the voltage level monitor accuracy when the DUT s impedance is lt 100 Q 2 Add the impedance measurement accuracy to the current level monitor accuracy when the DUT s impedance is gt 100 Q Accuracies apply when test cable length is 0 m or 1 m Additional error for 2 m or 4 m test cable length is given as L mX Si 5 where Jm is test frequency MHz L is test cable length m DC bias level The following DC bias level accuracy is specified for an ambient temperature range of 23 C 5 C Multiply the temperature induced setting error listed in Figure 1 5 for the temperature range of O C to 55 C Test signal level lt 2 Vins Voltage range Resolution Setting accuracy 0 000 to 4 000 V 1 mV 0
18. ly negligible for imped ances above 500 Q and K is negligible for imped ances below 500 Q Table 1 1 Impedance proportional factors K and K Integ Frequency time LONG 100 Hz lt fm lt 100 kHz SEE 1 T Zm 1 x 107 7 100 kHz lt fm lt 300 kHz Cer L SHORT fn lt 100 Hz 2 J 1 42 ae Ja Z 2 x 10 E 14 492 a 2 100 kHz lt fm lt 300 kHz ey Wo IZral x 107 1 i 300 kHz lt fm lt 1 MHz syag 3 400 4 ix Zm 20 x 107 1 122 fm Test frequency Hz Zm Impedance of DUT Q Vs Test signal voltage Vrms Kaa is practically negligible for impedances above 500 Q Table 1 2 Cable length factor Kaa Test Signal Cable length i om am sm fem lt mo o k alai i eee OTT TATE gt 2Veme 0 e DE S S D e fm Test frequency MER Zm Impedance of DUT 9 Ko Impedance proportional factor Table 1 3 Cable length factor Ky Cable length Frequency Om 1m 2m 4m fm lt 100 kHz 1 1 5x fin 1 10xf 14 20xf 100 kHz lt f lt 300 kHz 1 1 2xfn 1 4x fn 1 8x fn 300 kHz lt fn lt 1 MHz 1 1 0 5x fm 1 1x fin 1 2x fn fin Test Frequency MHz Table 1 4 Calibration interpolation factor K Test frequency K Direct calibration frequencies 0 Other frequencies 0 0003 Temperature C Direct calibration frequencies are the following forty eight frequencies Table 1 5 Preset calibration frequencies 20 25 30 40 50 60 8
19. nd 4 m selectable Integration time Short medium and long see Supplemental Performance Characteristics for the measurement time Averaging 1 to 256 programmable Agilent Technologies Test Signal Frequency 20 Hz to 1 MHz 8610 selectable frequencies Accuracy 0 01 Signal modes Normal Program selected voltage or current at the measurement terminals when they are opened or shorted respectively Constant Maintains selected voltage or current at the device under test DUT independent of changes in the device s impedance Signal level Mode Range Setting accuracy Voltage Non constant 5 mVims to 2 Vims 10 1 MVims Constant 10 MVims to 1 Vims 6 1 MVims Current Non constant 50 Aims to 20 MAms 10 10 pAims Constant 100 Ams to 10 MAms 6 10 LAims 1 Automatic Level Control Function is set to ON Output impedance 100 Q 3 Test signal level monitor Mode Range Accuracy Voltage 5 mVims to 2 Vims 3 of reading 0 5 MVims 0 01 Vims to 5 MVims 11 of reading 0 1 MVims Current 50 pAms to 20 MA ms 3 of reading 0 5 Ams 0 001 Aims to 50 WArms 11 of reading 1 Aims 1 Add the impedance measurement accuracy to the voltage level monitor accuracy when the DUT s impedance is lt 100 Q 2 Add the impedance measurement accuracy to the current level monitor accuracy when the DUT s impedance is gt 100 Q Accur
20. ng time 210msec 100msec 70msec 30msec 20msec 12msec 10msec 1 uF 10uF 100uF 1mF 10mF 100mF Capacitance Figure 1 6 Measurement time Rack Handle Installation The Agilent 4284A can be rack mounted and used as a component of a measurement system The fol lowing figure shows how to rack mount the 4284A Table 1 8 Rack mount kits Option Description Kit part number 4284A 907 Handle kit 5061 9690 4284A 908 Rack flange kit 5061 9678 4284A 909 Rack flange and handle kit 5061 9684 Figure 1 7 Rack mount kits installation 1 Remove the adhesive backed trim strips 1 from the left and right front sides of the 4284A 2 HANDLE INSTALLATION Attach the front handles 3 to the sides using the screws provided and attach the trim strip 4 to the handle 3 RACK MOUNTING Attach the rack mount flange 2 to the left and right front sides of the 4284A using the screws provided 4 HANDLE AND RACK MOUNTING Attach the front handle 3 and the rack mount flange 5 together on the left and right front sides of the 4284A using the screws provided 5 When rack mounting the 4284A 3 and 4 above remove all four feet lift bar on the inner side of the foot and slide the foot toward the bar Storage and repacking This section describes the environment for storing or shipping the Agilent 4284A and how to repack age the 4284A far shipment when necessary Environment The 4284A should be stored in a clean
21. t 1 0 accuracy 0 accuracy is given as Oe Ocal deg where 0 Relative 0 accuracy deg O a Calibration accuracy deg G accuracy When Dy measured D value lt 0 1 G accuracy is given as By X Da S aci By t T where B Measured B value S C Measured C value F L Measured L value H Da Absolute D accuracy f Test frequency Hz G accuracy described in this paragraph applies to the C G and L G combinations only R accuracy When Dy measured D value lt 0 1 Ry accuracy is given as R Fete jo x t Da where Rox Measured R value Q Measured D value p Absolute D accuracy oS R accuracy When Dy measured D value lt 0 1 R accuracy is given as Xx X De Q Xx 2 nfLy ALAD x X 2 nfl where X Measured X value Q Cx Measured C value F L Measured L value H Da Absolute D accuracy f Test frequency Hz Relative Accuracy Relative accuracy includes stability temperature coefficient linearity repeatability and calibration interpolation error Relative accuracy is specified when all of the following conditions are satisfied 1 Warm up time 30 minutes 2 Test cable length 0 m 1 m 2 m or 4 m Agilent 16048 A B D E For 2 m or 4 m cable length operation test signal voltage and test frequency are set according to Figure 1 1 2 m and 4 m cable can only be used when Option 4284A 006 is installed 2m cable 4m
22. tion 4284A ABJ Add Japanese manual Option 4284A ABA Add English manual Furnished Accessories Power cable Fuse Depends on the country where the 4284A is being used Only for Option 4284A 201 Part number 2110 0046 2 each Power Requirements Line voltage 100 120 220 Vac 10 240 Vac 5 10 Line frequency 47 to 66 Hz Power consumption 200 VA max Operating Environment Temperature 0 C to 55 C Humidity lt 95 R H at 40 C Dimensions 426 W by 177 H by 498 D mm Weight Approximately 15 kg 33 lb standard Display LCD dot matrix display Capable of displaying Measured values Control settings Comparator limits and decisions List sweep tables Self test message and annunciations Number of display digits 6 digits maximum display count 999 999 Supplemental Performance Characteristics The 4284A supplemental performance characteris tics are not specifications but are typical charac teristics included as supplemental information for the operator Stability MEDIUM integration time and operating tempera ture at 23 C 5 C IZI IYI L C R lt 0 01 day D lt 0 0001 day Temperature Coefficient MEDIUM integration time and operating tempera ture at 23 C 5 C Test signal level IZI IYI L C R D 2 20 MVims lt 0 0025 C lt 0 000025 C lt 20 MVins lt 0 0075 C lt 0 000075 C Settling Time Frequency fm lt 70 ms fn gt 1 kHz
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