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1855

Capacitor Leakage Current/IR Meter

Instruction Manual

Form 150767/

A4

©

QuadTech, Inc., 2004

5 Clock Tower Place, 210 East

Maynard, Massachusetts, U.S.A. 01754

October 2006

Telephone

978-461-2100

Sales

800-253-1230

Facsimile

978-461-4295

Website

www.quadtech.com

The material in this manual is for informational purposes only and is subject to change, without notice.
QuadTech assumes no responsibility for any error or for consequential damages that may result from the
misinterpretation of any procedures in this publication.

CAUTION

Voltage may be present on front and rear panel terminals. Follow all warnings in this manual when

operating or servicing this instrument. Substantial levels of energy may be stored in capacitive devices

tested by this unit.

!

Product will be marked with this symbol (ISO#3864) when it is necessary for the user to refer to

the instruction manual in order to prevent injury or equipment damage.

Product marked with this symbol (IEC417) indicates presence of direct current.

Product will be marked with this symbol (ISO#3864) when voltages in excess of 1000V are

present.

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Содержание 1855

Страница 1: ...t may result from the misinterpretation of any procedures in this publication CAUTION Voltage may be present on front and rear panel terminals Follow all warnings in this manual when operating or serv...

Страница 2: ...Page 2 of 76...

Страница 3: ...g 22 1 4 3 Power Requirements 22 1 4 4 Safety Inspection 23 Operation Section 2 2 1 Terms and Conventions 25 2 2 Start Up 27 2 3 SYSTEM SETUP 27 2 3 1 Calibration 27 2 3 2 Memory Manage 27 2 3 3 Syste...

Страница 4: ...2 7 Measurement Procedure 49 Interface Section 3 3 1 RS 232 Interface 51 3 1 1 RS232 Pin Configuration 51 3 1 2 RS232 Specifications 51 3 1 3 RS232 Commands 52 3 2 IEEE 488 Interface 53 3 2 1 Pin Con...

Страница 5: ...s in the Product not approved by QuadTech shall void this warranty QuadTech shall not be liable for any indirect special or consequential damages even if notice has been given of the possibility of su...

Страница 6: ...Page 6 of 76...

Страница 7: ...on Resistance 10 99 99G IR Accuracy Test Voltage 1 0V 650V DC 0 1V Step Voltage Accuracy 0 5 0 2V Test Current 0 5mA 500mA 0 5mA Step for DCV 100V 0 5mA 150mA 0 5mA Step for DCV 100V Charge Current Ac...

Страница 8: ...nds in 0 1s increments Edge Falling or Rising Measurement Mode Continuous or Trigger INT EXT or Manual Measurement Rate Fast 18 measurements second Medium 14 measurements second Slow 7 measurements se...

Страница 9: ...8 2kg net 22 lbs 10kg shipping Environmental Operating 10 C to 40o C Storage 10 C to 50o C Humidity 90 Pollution Degree 2 Installation Category I Power 90 125VAC 190 250VAC 50 or 60Hz 400W max Supplie...

Страница 10: ...Page 10 of 76...

Страница 11: ...Line Fuse 2A 250V SB for 230V operation 1 520148 Test Leads Banana to Alligator Clip BNC to Alligator Clip 1 1855 01 Instruction Manual 1 150767 Calibration Certificate 1 N A Accessories Options Avai...

Страница 12: ...Page 12 of 76...

Страница 13: ...the silver INPUT terminal If this is not done the DUT s casing can be charged to the high voltage test level and injury or electrical shock hazards could result if the DUT is touched 3 Never touch th...

Страница 14: ...Page 14 of 76...

Страница 15: ...tage selector set for 115V Refer to paragraph 1 4 3 for instructions on changing the fuse or line voltage selector Connect the 1855 Capacitor Leakage Current IR Meter s AC power cord to the source of...

Страница 16: ...YSTEM SETUP SYSTEM CONFIGURATION CALIBRATION MEMORY MANAGE Trigger Edge Line Frequency 1 2 A TEST V C C RANGE DISCHARGE CHARGE TEST Qualified Service Personnel Only Instrument Calibration Verification...

Страница 17: ...ana connectors Refer to paragraph 2 6 for cable connections With the instrument in MEAS DISPLAY status 1 Press MAIN INDEX 2 Press F3 NULL 3 Press TRIGGER button 4 Wait while instrument cycles through...

Страница 18: ...on the 1855 unit and the low side of the DUT 1855 Capacitor Leakage Current IR Meter INPUT QuadTech HV F1 F4 F3 F2 F1 F3 F2 MEAS DISPLAY F4 TRIGGER MAIN INDEX SYSTEM SETUP 0 1 l MEAS DISPLAY SEQ TEST...

Страница 19: ...measurements can be made averaged and the result displayed with the Averaging function Ranging is automatic or user selectable Measurement rate is also selectable Slow Medium or Fast with rates up to...

Страница 20: ...igh 3b HV Red Banana Jack Voltage Sense Terminal High 3c HV White Banana Jack Voltage Sense Terminal Low 4 F1 F2 F3 and F4 4 gray push buttons Select Instrument Functions Keys perform different functi...

Страница 21: ...O QUALIFIED PERSONNEL 90V 125V T4 0AL 250V 190V 250V T2 0AL 250V 115V 230V 50 60Hz 400VA MAX Figure 1 3 Rear Panel 1855 Instrument Table 1 2 1855 Rear Panel Controls Connectors Reference Figure 1 3 Na...

Страница 22: ...mum angle for viewing is slightly down and about 10 degrees either side of center For bench operation the front flip feet should always be used to angle the instrument up In bench or rack mount applic...

Страница 23: ...115V 115V 230V 50 60Hz 400VA MAX Figure 1 5 Close Up of 1855 Rear Panel 1 4 4 Safety Inspection Before operating the instrument inspect the fuse holder on the rear of the 1855 instrument to ensure th...

Страница 24: ......

Страница 25: ...arity The movement of charge is in one direction Used to describe both current and voltage Batteries supply direct current DC Dielectric A material which is an electrical insulator or in which an elec...

Страница 26: ...ments per second Speed is inversely proportional to accuracy Trigger The device for initiating the test applying the voltage or current External The test is initiated via an external source such as a...

Страница 27: ...y Manage and System Configuration Press SYSTEM SETUP to access these functions SYSTEM SETUP CALIBRATION MEM MANAGE SYSTEM CONFIG Enter Memory Manage Enter Calibration Enter System Configuration F2 F3...

Страница 28: ...I R L C TRIG DELAY ALARM MODE TEST PARAMETER BEEPER SOUND MODE TRIG EDGE HANDLER MODE L C LOW FAIL PULSE 0000 mS FALLING CLEAR Figure 2 2 System Configuration Table 2 2 SYSTEM CONFIG Parameter Functio...

Страница 29: ...To change the beeper loudness press SYSTEM SETUP SYSTEM CONFIG and the down arrow until the box next to BEEPER is highlighted then press F1 OFF F2 LOW or F3 HIGH Turn Beeper OFF Set Beeper to Low F3 F...

Страница 30: ...o 9995 seconds The instrument default value is 0000 seconds To change the TRIGGER DELAY press SYSTEM SETUP SYSTEM CONFIG and the down arrow until the box next to TRIGGER DELAY is highlighted then pres...

Страница 31: ...kest contrast is 00 the brightest is 15 To change the display contrast press SYSTEM SETUP SYSTEM CONFIG and the down arrow until the box next to CONTRAST is highlighted then press F1 DIGIT UP to brigh...

Страница 32: ...BAUD RATE CHARGE TIME RANGE DWELL 07 17 19200 OFF 60Hz Vm Vs 0 0 S 28800 NEXT PAGE 2 2 Select 4800 bps Go to 2ND RS232 page Go back to 1ST RS232 page Select 28800 bps 2 3 3 11 Key Lock To lock out th...

Страница 33: ...until the box next to CHARGE TIME is highlighted then press F1 Vm Vs or F2 Vm 0V Start Charge Time when Vmonitored Vset Start Charge Time when TRIGGER is pressed F3 F1 F2 F4 SYSTEM CONFIG Vm Vs Vm 0V...

Страница 34: ...3 16 EXT VM Display The voltage across the DUT can be displayed along with the measured value when EXT Vm DISPLAY is set to ON EXT Vm DISPLAY can be selected OFF ON The instrument default setting is...

Страница 35: ...ence Test The Sequence Test automatically cycles through the test when TRIGGER is pressed To access the Sequence Test press MAIN INDEX and F1 SEQ TEST The MEAS DISPLAY menu will appear Program the Tes...

Страница 36: ...ss a correction is made subtracted out as the result of lead leakage current and stored in instrument memory to be applied to ongoing measurements For maximum measurement accuracy it is recommended th...

Страница 37: ...or Leakage Current IR Meter INPUT QuadTech HV F1 F4 F3 F2 F1 F3 F2 MEAS DISPLAY F4 TRIGGER MAIN INDEX SYSTEM SETUP 0 1 l MEAS DISPLAY NULL LC mA CHARGE TEST DISCHARGE CHARGE TEST DISCHARGE OPEN No DUT...

Страница 38: ...andard Test Methods of Electrode Foils for Aluminum Electrolytic Capacitors Vf The standard dielectric withstand voltage CC The constant charge current for the WV test Tend The measurement time for th...

Страница 39: ...e considered a pass If the measured value is lower than the low limit the test is considered a fail In an LC test the range for Upper Limit is 0 000uA 999 999mA and the Lower Limit range is 0 000uA to...

Страница 40: ...000mA LIMIT OFF DIGIT UP DIGIT Increase value of underscored digit Move underscore cursor to next digit Decrease value of underscored digit F3 F1 F4 F2 MEAS INDEX COMPARE DIGIT DOWN PARAMETER UPPER L...

Страница 41: ...ENT IR METER Copyright c AUGUST 2003 VERSION 1 02 BETA 09 02 CPLD 1855 TEL 1 800 253 1230 FAX 1 978 461 4295 Figure 2 10 Instrument Information Screen 1 0V 0 5mA NEXT PAGE 1 2 2uA Lc MEAS DISPLAY SEQ...

Страница 42: ...160 0 200 0 250 0 350 0 400 0 450 0 500 0 550 0 600 0 630 0 DOWN arrow key 630 0 600 0 550 0 500 0 450 0 400 0 350 0 250 0 200 0 160 0 100 0 63 0 50 0 35 0 25 0 16 0 10 0 6 3 RIGHT arrow key increase...

Страница 43: ...200uA 20uA and 2uA In MEAS DISPLAY press F3 RANGE so that the A box is highlighted The instrument default setting is A Auto Range Use the up arrow key to toggle between A Auto and H Hold 1 0 0 5mA NEX...

Страница 44: ...d increments example 900 to 999 DOWN arrow key 999 899 799 699 599 499 399 299 199 99 89 79 69 59 49 39 29 19 9 LEFT arrow key decrease charge time in 1 second increments example 9 to 0 2 5 5 Dwell Ti...

Страница 45: ...DWELL T SPEED DISCHARGE CHARGE TEST Vm 0 0V s F3 s Toggle between SLOW MEDIUM FAST 2 5 7 Trigger In the Step Test only the 1855 instrument can be triggered manually internally or externally In MEAS DI...

Страница 46: ...0 250 0 200 0 160 0 100 0 63 0 50 0 35 0 25 0 16 0 10 0 6 3 RIGHT arrow key increase voltage in 1V increments LEFT arrow key decrease voltage in 1V increments 2 5 9 Measurement Time Tend In the W V Te...

Страница 47: ...the time in 5 second increments The instrument default setting is 5s F4 505 600s by base 1 5 505s by base 10 Select CHG Tend 50 0 V CHG Tend Tr MEAS DISPLAY W V TEST S Vf C C DISCHARGE CHARGE TEST Vm...

Страница 48: ...inal on the 1855 unit and the high side of the device under test The black alligator clip banana cable is connected between the white HV terminal on the 1855 unit and the low side of the DUT 1855 Capa...

Страница 49: ...esult is judged a FAIL per programmed test limits The test result is displayed on MEAS DISPLAY NOTE If for any reason the output must be terminated during a test press the right arrow marked DISCHARGE...

Страница 50: ......

Страница 51: ...pins on the RS232 connector The connection cable must be a straight through cable for the 1855 unit to communicate 6 7 8 9 1 2 5 3 4 RS232 1 Figure 1 3 1 9 8 7 6 5 4 3 2 Clear to Send Shield Transmit...

Страница 52: ...P Press F3 SYSTEM CONFIG Press until the box next to BAUD RATE is highlighted Press F1 INCREASE or F2 DECREASE to select baud rate Press F4 to EXIT 3 1 3 RS232 Commands The command set for the RS232 i...

Страница 53: ...stem containing a number of instruments and a controller in which each meets IEEE Standard 488 2 Standard Digital Interface for Programmable Instrumentation 1855 IEEE 488 Interface PIN Configuration R...

Страница 54: ...State Returns portion of interface system to a known quiescent state Open Collector SRQ 10 Service Request Low State A Talker or Listener signals to the controller need for attention in the midst of t...

Страница 55: ...he 1855 instrument responds to and their function Table 3 2 IEEE 488 Interface Functions Code Function SH1 Source Handshake Talker AH1 Acceptor Handshake Listener Basic Talker Function Serial Poll Fun...

Страница 56: ...Register Query standard event register value of device After this command the standard register is cleared to 0 0 255 IDN Identification Query Read basic device data A comma separates the identificati...

Страница 57: ...ormat as a single reference to view all the commands The command format and examples are detailed in paragraphs 3 2 4 3 2 5 ABORt CALCulate LIMit FORMat BEEPer CONDition FAIL LOWer STATe ONOFf IMMedia...

Страница 58: ...ntinued ABORt WVTest EDGE ALARm LFRequency HANDler AVErage IMMediate SOURce RANGEDwell STATe IMMediate SYSTem BEEPer TRIGger DELay SOURce VOLTage CURRent CONFigure TEND CHGTEND MEASure STATe VTerminat...

Страница 59: ...colon to separate two commands on the same line For example to format the command for the LC function use this path CALCulate LIMit FORMat LC If the command is a setting then put the parameter after t...

Страница 60: ...t Example 9000 Example 9000 0 Example 9 0E 3 Figure 3 4 Numerical Data Transfer 3 2 5 1 ABOR Instruction ABOR Parameter None Return Value None Function Terminate Trigger in process and initiates Disch...

Страница 61: ...M LOW DATA Parameter The lower limit value MAX MIN Return Value The lower limit value the format is NR3 Floating point Function Set or query the lower limit value Description MINimum 000 000k MAXimum...

Страница 62: ...1 CALC NULL DATA Instruction CALC NULL DATA Parameter None Return Value The Null value in NR3 format 20 0E6 to 20 0E6 Function Query the Null leakage current reading for each current range Description...

Страница 63: ...tage in NR3 format Function Set or query the test voltage for the LC Test Voltage 1 0 650V MIN 1 0V MAX 650V 3 2 5 15 LCT SOUR CURR Instruction LCT SOUR CURR Parameter Test Current MIN MAX Unit Millia...

Страница 64: ...Function Set or query the measurement range for the LC Test Description 4 20mA 3 2mA 2 200uA 1 20uA 0 2uA MIN 2uA MAX 20mA 3 2 5 19 LCT CONF RANG AUTO Instruction LCT CONF RANG AUTO Parameter OFF ON 0...

Страница 65: ...Test Description CHG Instrument is in Charge mode TEST Instrument is in Test mode DCHG Instrument is in Discharge mode 3 2 5 23 LCT MEAS FETC Instruction LCT MEAS FETC Parameter None Return Value 0 1...

Страница 66: ...across DUT Description VMON value 3 2 5 27 WVT SOUR VOLT Instruction WVT SOUR VOLT Parameter numeric value MIN MAX Unit Volts Return Value Test Voltage in NR3 format Function Set or query the test vo...

Страница 67: ...Charge Time in NR3 format Function Set or query the maximum charge time for the WV Test Description numeric value 5 600seconds MIN 5seconds MAX 600seconds 3 2 5 31 WVT MEAS STAT Instruction WVT MEAS S...

Страница 68: ...ion Set or query the trigger mode Description BUS Bus trigger EXTernal External trigger INTernal Internal trigger MANual Manual trigger 3 2 5 36 TRIG DEL Instruction TRIG DEL Parameter numeric value M...

Страница 69: ...er PULS CONT Return Value PULS CONT Function Set the mode the alarm will sound in Description PULS The alarm sound will pulse CONT The alarm will continuously sound 3 2 5 41 SYST LFR Instruction SYST...

Страница 70: ...numeric value 0 9 9seconds MIN 0seconds MAX 9 9seconds 3 2 5 45 SYST AVER Instruction SYST AVER Parameter numeric value MIN MAX Return Value Average in NR1 format Function Set or query the number of m...

Страница 71: ...nd string 104 Data error Parameter is not defined in the command string 106 Illegal parameter Parameter is not a valid command 202 Conflicting Settings Command conflicts with instrument settings Examp...

Страница 72: ...blue 24 pin connector labeled HANDLER on the rear panel of the 1855 instrument 1855 HANDLER Interface PIN Configuration Rear Panel View 12 6 7 8 9 10 11 13 1 2 5 3 4 15 14 19 18 17 16 20 24 23 21 22...

Страница 73: ...ound when the signal is active true Each external line should be pulled up with a resistor to a positive voltage between 5V and 24V The pull up resistor must limit the current to 6mA for a signal of a...

Страница 74: ...D Ground external DC 8 COM Common Ground 9 13 X No connection 10 VEXT External DC voltage 5V 24V 11 VINT Internal DC voltage 5V 12 X No connection 14 X No connection 15 PASS Measured Result is within...

Страница 75: ...ase Order Number to insure expedient processing although units found to be in warranty will be repaired at no charge For any questions on repair costs or shipping instructions please contact our CCC D...

Страница 76: ...for the primary and secondary standards have an uncertainty 4 times better than the primary and secondary accuracy specified in the Verification Data Sheet If the calibrated values for the standards u...

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