830C and 890C Capacitance Meter User Manual
Contents
1. 53 Relative Mode u uu 57 Tolerance ete 60 Compare Mode u 65 REMOTE COMMUNICATION 75 Connecting Instrument to 75 USB Virtual COM Configuration 76 9 Remote Mode 76 Command Protocols a 77 MEASUREMENT TIPS 97 SUPPLEMENTAL INFORMATION 99 Guard Terminal aene 99 SPECIFICATIONS 100 General 101 Electrical 103 MAINTENANCE 105 ee Ue 105 Troubleshoot as 105 Cleanitig eei ehe aeree 106 SERVICE INFORMATION 108 LIMITED 109 INDEX Cm 110 10 INTRODUCTION B amp K Precision s 830 and 890 11 000 count hand held capacitance meters measure capacitance and include a capacitance sorting function Simple to operate the instruments can make quick measurements and simplif2. indicator will disappear on the screen and meter will turn to normal operation mode 51 E Push HOLD Co Co Push HOLD 79618 gm Figure 18 Data Trigger Hold Operation 52 4 zi Static Recording This mode is used for recording maximum minimum and average capacitance values It captures only stable values and updates to memory Values that result in displaying OL or that are below 10 counts are not recorded This mode is useful for determining the range of values a component falls into Enable Static Recording REC Press the button to enter the static recording mode The display should indicate MAX AVG MIN simultaneously This indicates the meter is in static recording mode and recording is performed immediately Note In static recording mode the auto power off function will be disabled and the OFF indicator will be turned off automatically It will be re enabled with its previous settings once meter exits static recording mode Using Static Recording There are four different modes that can be selected in static recording These modes can be changed with REC each button press With each press of the REC button the modes will cycle through as followed 53 Recording Mode gt Maximum Mode gt Minimum Mode Average Mode Recording Mode This is the default mode when first enabling static recording I
3. 94 S Battery 0 normal 1 low T Unused always 0 U Auto range O off 1 0n Summary of SCPI Commands Command Parameter Explanation CONFigure Query display function CONFigure Configure the CAPacitance lt range gt meter perform specified measurement CALCulate FUNCtion Query the calculation function FUNCtion function Set a calculation function NULL OFFSet Query the offset value of the relative function STATe Boolean Enable disable the relative function AVERage MAXimum Query the value of MINimum the static recording AVERage function PRESent STATe Boolean Enable disable the static recording function 95 LIMit MODE mode Set the value of the lt mode gt lt value gt limit function LOWer lt mode gt lt value gt MODE Query the value of UPPer mode the limit function LOWer STATe Boolean Enable disable the limit function TOLerance RANGe lt 1 5 10 20 gt Set the value of the Tolerance function BASE Query the value of the Tolerance base VALue Query the tolerance value STATe Boolean Enable disable the tolerance function TRIGger SOURce Query the trigger source type SOURce BUS IMM gt Select a trigger source FETCh Returns a data any time that the last reading is
4. OFF means to disable auto power off 1 99 seconds OFF means to bLIt 15 disable turning off backlit automatically Bright level of backlit at OFF state bOFF 01 OFF 03 Bright level of backlit at ON state bON 03 OFF 03 dEFA St Reset all above items to factory default settings NOTE After changing any or all setting options HOLD within the setup menu press and hold button for two seconds or until a beep is sound to save settings The meter will NOT store the changed settings if this is not done upon exiting the setup menu 32 Baud Rate bAUd The baud rate is used for communication with a PC over the USB interface For PC communication the baudrate MUST match the settings on the PC side Selectable rates are in units of bps 2400 4800 9600 19200 Note The secondary display of the meter will show the rates with units as kHz but it s actually a reference for multiple of 1000 or x 10 For example 9 6 kHz means 9 6 x 10 9600 33 LO g kHz BHL PLE 7 Steps to Change Baud Rates 34 Parity PArt The parity setting is used for communication with the PC over USB interface For PC communication parity MUST match the settings on the PC side Selectable parameters are None Even Odd Udd Ark Figure 8 Steps to Change Parity 35 Data Bits Data The d
5. 21 POWERING INSTRUMENT Before operating the instrument make sure to connect it to a power source which could be either a battery or an external AC adapter Installing Battery The 830C and 890C capacitance meters can be powered by a battery thus making it portable The meters use a standard 9V size battery or NEDA 1604 JIS006P IEC6F22 carbon zinc or alkaline battery To install the battery 1 Place the meter upside down Open up the back flip stand and locate the screw that tightens the battery compartment cover as indicated in Figure 4 Use a screwdriver to unscrew and remove the cover 22 2 Figure 4 Back Cover Insert 9V battery into compartment Note the positive and negative terminals as indicated inside the battery compartment See Figure 5 Be sure to insert the battery with matching polarity 23 Figure 5 Battery Compartment Place the battery compartment cover piece by sliding it into the top slid first Place screw at the bottom of the cover piece and tighten down with a screw driver c3 Push and hold down the button for 2 seconds to turn on the instrument Connecting External Power Source The 830C and 890C can also be powered using an external AC adapter The model 830C comes with this adapter included in the package while it is optional for model 890C There are two types available One with 110 V AC line voltage input and one with 220 V AC line voltage inp
6. 6 270 243 7 330 297 8 390 351 9 470 423 10 560 504 11 680 612 12 820 738 13 1000 900 14 1200 1080 15 1500 1350 16 1800 1620 65 17 2200 1980 18 2700 2430 19 3300 2970 20 3900 3510 21 4700 4230 22 5600 5040 23 6800 6120 24 8200 7380 25 10000 9000 Setting Compare Mode The following procedure demonstrates how to set compare mode 1 Press Al button to enter HI LO audible alert compare mode The range will be locked in this mode The meter will display the indicator on the upper right The secondary display will indicate C01 to C25 depending on which set was last saved during previous operation The last two digits indicate the current comparison set of HI LO limits The primary display indicates the present measurement 66 18 a Press the button to cycle through the sets from C01 to C25 HI LO Press the button to see the HI and LO values used for the comparison As an example the display will cycle through set 5 in this order C05 105 05 The values will briefly display for one second and will return to normal compare display In the example it would just return to display C05 on the secondary display If the reading is outside of the HI or LO limits three audio beeps will sound and the secondary display will show nGO for no go There will be an up or down W arrow indicator
7. or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 109 INDEX Auto Power Off AOFF 41 Backlit 27 Battery 22 Baud Rate bAUd 33 Compare Mode 65 Data Bits Data 36 Data Hold 51 dEFA 49 Echo ECHO 37 Error Codes 97 External Power 24 Firmware 30 Guard Terminal 99 HI and LO Limits 71 Key Beeper bEEP 39 LCD Display 18 Lock Buttons LbUt 40 Low Battery 27 Parity PArt 35 Print Only Prnt 38 Relative Mode 57 Remote Mode 76 SCPI 77 Setup Menu 30 Static Recording 53 Tolerance 60 USB drivers 75 VE Wi 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 2011 B amp K Precision Corp Printed in China v092211
8. or test reference value as configured from step 2 4 Within a few seconds an audible tone will be heard One single beep or tone means the component is within tolerance Three beeps or tones means the component is out of tolerance 62 Note Under the following instances the tolerance mode cannot be set 1 After setting recording mode 2 After setting HI LO limit for compare mode 3 The display shows OL for overload Disable Tolerance Mode To disable or exit out of tolerance mode simply press TOL and hold down the button for two seconds The TOL and or the percentage indicators 1 596 10 or 20 will disappear on the LCD display 63 e nnr AUTO TOLAUTO u L L TOL i ion rf Inmnn ILILLLILI DUT 100 F Pat a 100 F h te Push TOL 1 M Push TOL for gt Isec 10 Y c 2 Anon nm fel OUUU LL DUT DUT gt 110n F Figure 22 Steps to Setup Tolerance Mode 64 Compare Mode This function allows you to sort capacitors and to configure 25 sets of limit ranges The meter comes with preconfigured stored values for high and low limits See table below Table 2 High Low Limit Default sell S High limit Low Limit 1 100 90 2 120 108 3 150 135 4 180 162 5 220 198
9. please set to the correct range first before inserting the capacitor Otherwise it will take much longer to make the measurement When using tolerance and compare mode it will also take longer time for the meter to respond with readings if large capacitors are being tested SUPPLEMENTAL INFORMATION Guard Terminal One of the input sockets and terminals is labeled as GUARD This terminal does not have to be used in all instances for the meter to make measurements But in some instances it is very useful 99 The guard terminal is used to minimize noise and to help minimize parasitic components of the capacitor to be measured thus allowing for more accurate results SPECIFICATIONS Below are some remarks in regards to all specifications pertaining to both 830 and 890 capacitance meters Specifications are subject to change without notice The following conditions must be met for the specifications to be valid 1 2 3 Measurements are performed at the test Socket DUT and test leads must be properly shielded via the guard terminal if necessary Measurements are made after 30 minutes of warm up time and operated at 23 C 5 lt 75 Accuracy specification valid for measurements within 1096 to 10096 of full scale of range values outside of range should be used for reference only Battery powered operation 100 General specification Display Function 5 digit liquid c
10. BK PRECISION 830 890C Dual Display Capacitance Meter INSTRUCTION MANUAL Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation service and repair of this instrument DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Instrument covers must not be removed by operating personnel Component replacement and internal adjustments must be made by qualified maintenance personnel DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT Do not install substitute parts or perform any unauthorized modifications to this instrument Return the instrument to B amp K Precision for service and repair to ensure that safety features are maintained WARNINGS AND CAUTIONS WARNING and CAUTION statements such as the following examples denote a hazard and appear throughout this manual Follow all instructions contained in these statements A WARNING statement calls attention to an operating procedure practice or condition which if not followed correctly could result in injury or death to personnel A CAUTION statement calls attention to an operating procedure practice or condition which if not followed correctly could result i
11. LIT TIME lt second gt Description Set a backlit time Parameter second 0 99 Set 0 to disable auto off backlit function Note Stored in non volatile memory 92 SYSTem AOFF TIME lt minute gt Description Set an auto power off time Parameter lt minute gt 0 99 Set 0 to disable auto power off function Note Stored in non volatile memory SYSTem DEFAult Description Setting default value to the non volatile memory includes SETUP value but don t affect the other calibrated data STATus Subsystem STATus Description Query the status of the meter Response Returns a ABCDEFGHIJKLMNOPQRSTU format string 21 characters 93 Each character represents the following Item Explanation Average O off 1 0n A function B Null function O off 1 on C Limit O off A mode 1 function Y mode 25 D Limit result 0 none 1 Go 2 Lo nGo 3 Hi nGo Tolerance O off 1 1 2 5 E function 3 10 4 20 F no range setting F Tolerance O none 1 pass Result 2 fail G Trigger B BUS source H Unused always 0 Unused always 0 J Beep O off 1 0n K Auto Power O off 1 Off L Back lit O off 1 0n Meter mode L normal N Unused always 0 O Unused always 0 P Unused always 0 Q Unused always 0 R Rate always 1
12. N buttons will be locked and cannot be pressed upon turning on the meter All buttons are disabled at this point except the POWER o button which can be used to turn off the meter The power on option can still be operated even if buttons are locked This will provide users 40 with a means to disable or unlock the buttons when necessary Selectable parameters OFF ON Push amp m Push W Hi Figure 13 Steps to Change Lock Buttons Settings Auto Power Off AOFF This option will allow a timer to be set for auto power off When enabled the display will have OFF 41 indicator When disabled the meter will run indefinitely Note The timer will not be in effect if any of the below happens 1 Push buttons are used 2 Static recording is set 3 Auto power off is disabled or OFF If any of the above conditions do not apply the timer will start counting based on the timer setting configured Selectable parameters OFF 1 99 minutes 42 ore Figure 14 Steps to Change Auto Power Off Settings 43 Backlit Display Time bLIt Back light of the meters can be turned off automatically with a timer Once set back light will remain on for the period of the timer setting upon enabling the back light by pressing and holding HI LO for two seconds If it is set to OFF the back light will rema
13. WARNING Before connecting an external power adapter please check the battery compartment in the rear side of the unit If a battery is installed be sure that the polarity matches the and labels as indicated inside the battery compartment If it is not installed correctly please remove the battery and install it with correct matching polarity as indicated in the compartment See Installing Battery section for details DO NOT at any time connect an external power adapter when a battery is installed incorrectly Doing so will damage the instrument and void its warranty Front Panel Buttons All front panel buttons have specific colored labels on them They are all marked in white blue or yellow color Each color has a specific representation as described below Power White With the exception of the 4 button all white colored labels represent the primary function of that 16 button meaning that function will be set or configured upon pressing it To escape out of the functions hold and press the corresponding button for two seconds Blue Some of the buttons have a blue label underneath a white label This means the function indicated by the blue label will be set if that button is pressed and held for 2 seconds Yellow There are total of 6 buttons with yellow labels They are TOL HOLD REC REL These functions are exclusively for use when entering the SET menu for conf
14. ata bits setting is used for communication with a PC over USB interface For PC communication data bits MUST match settings on the PC side Selectable parameters are in units of bits 8 7 ALP Push 4 Push W Figure 9 Steps to Change Data Bits 36 Echo ECHO The echo function will set the meter to echo or return all characters that are received For example if IDN is sent to the meter it will return IDN as well as the queried information Selectable parameters OFF ON F m H Figure 10 Steps to toggle Echo Settings 2 37 Print Only Prnt Under remote operation when the meter is set with print only mode to it will print out measured data when the measurement cycle is complete and automatically send the newest data to the PC continuously In this mode any commands sent from the PC will not be accepted The remote indicator on the meter display will flash when this mode is enabled Selectable parameters OFF ON 38 Figure 11 Steps to Change Print Only Setting Key Beeper bEEP The key press beep sound can be enabled or disabled Selectable parameters ON OFF 39 JEE Figure 12 Steps to Toggle Key Keep Lock Buttons LbUt The front push buttons can be locked by changing the settings of this option When O
15. being enabled 83 CALCulate NULL OFFSet Description Query the offset value of the null relative function Response Return lt NR3 gt format string Note If relative function is disabled querying the offset of relative mode will return an error Re enable in order to get a returned value Use CALCulate NULL STATe command shown below to control the relative function CALCulate NULL STATe Boolean Description Enable or disable the null relative function of the calculation Example CALC NULL STAT OFF CALCulate AVERage MAXimun MINimun AVERage PRESent Description Query the value of the static dynamic recording function Response Return lt NR3 gt format string 84 Example CALC AVER MAX Query the maximum recorded value CALC AVER MIN Query the minimum recorded value CALC AVER AVER Query the average recorded value CALC AVER PRES Query the present recorded value Note If static recording function is disabled all queries will return an error message on display until the function is re enabled again Use CALCulate AVERage STATe command shown below to control static recording function CALCulate AVERage STATe Boolean Description Enable or disable the static recording function of the calculation Example CALC AVER STAT OFF CALCulate LIMit MODE lt mode gt LOWer modes value UPPer mode va
16. ce press REL with the alligator clip leads open to subtract the residual capacitance of the meter and leads Measuring tip For measuring capacitance greater than 1000uF you must discharge the capacitor first then select a suitable measurement range This will speed up the time to measure the correct value 1 Turn on the meter 2 If you are using alligator clip leads or SMD tweezer to test capacitance connect them to the and input sockets Then press REL to subtract the residual capacitance of the meter and leads or tweezer 3 Insert the leads of capacitor into and input sockets respectively If you are using alligator clip leads or SMD tweezer connect the and ends to the capacitor respectively 4 Be sure the polarity of the capacitor to the leads or tweezer or to the input socket of the meter is correct 5 Remove your hands from capacitor 6 Read the display 98 Measuring large capacitors Measuring very large capacitors for example a 100 mF value requires a long time In this case after inserting the capacitor into the meter s terminals the meter display may seem unresponsive and not respond to key presses This is normal and indicates that the meter is currently charging the capacitor Depending on the size of the capacitor this charging period can take up to 2 minutes until the meter becomes responsive and display the result If manual range is to be used
17. compliance with EN61010 1 IEC1010 1 for CAT II 50V Pollution Degree Il Environment EMC designed in compliance with EN61326 1 Electrical specifications Accuracy is given as of reading counts of least significant digit at 23 C 5 C with relative humidity less than 80 R H Capacitance Range Resolution Accuracy Measuring rate as full scale approx 1000 0 pF 0 1 pF 1 10 5 times sec 10 000 nF 0 001 nF 1 5 5 times 100 00 nF 0 01 nF 5 times sec 1000 0 nF 0 1 nF 5 times sec 10 000 uF 0 001 uF 0 5 3 5 times 100 00 uF 0 01 UF 5 times sec 1000 0 uF 0 1 uF 0 86 times sec 10 000 mF 0 001 mF 1 5 0 13 times sec 50 00 mF 890C 199 99 mF 0 01mF 2 5 ae m is 830C The accuracy is specified to measure film capacitor or better and use Relative mode to zero residual first Notes 1 Overload protection 250VR M S 103 Specifications are subject to change without notice To ensure the most current version of this manual please download the current version here http www bkprecision com search manual 830C For current up to date product information please visit www bkprecision com 104 MAINTENANCE WARNING Do not perform any service by yourself Service should only be done by qualified personnel and trained technicians Service If the instrument fails to operate check battery and testleads Replace them as n
18. d prior to entering static recording mode OFF indicator will come back on when enabled 55 C MAX AVG MIN AUTC Push REC for gt lsec Figure 19 Steps to Use Static Recording 56 Relative Mode Relative mode is used when the user wants to zero the meter based on a reference value or wants to obtain a reading that is relative to a reference value For example if test leads are used in the measurement the user may want to set a reference with the test leads inserted into the input terminals so that any measurements taken will not take into account the test leads Setup Relative Mode REL To setup the relative mode simply press the button once The value that is on the display will immediately be stored as the reference value This reference value will be used for all measurements so as long as the meter is in relative mode which is indicated by the REL indicator on the display A common use of relative mode is to zero out the meter With nothing connected to the input sockets REL and terminals simply press the button once and the meter will zero out meaning all display readings will be set to 0 To make measurements within a specific test setup or with test leads it is recommended that the user first 57 have test leads or wires connected to the meter in the REL fashion that they desire Then press the button
19. ecessary If the instrument still cannot work verify with the operating instructions to make sure correct procedures are followed When servicing use specified replacement parts only Note The meter must be completely turned off while replacing the battery Refer to Installing Battery section for details Troubleshoot Tips The following table will guide you to identify basic problems Malfunction Identification No LCD indication at power ON Check battery or replace battery Check setup mode whether the beeper has been set to OFF No beeper tone 105 Push buttons failure Check whether the meter is under remote control Turn OFF and then turn ON the meter again Check the setup mode whether Lbut of lock buttons has been set on Failed on Remote control Check the baud rate parity Data bit Stop bit default is 9600 n 8 1 Check USB driver installation Display is frozen and buttons do not respond If a large capacitor is being measured this is normal as it takes a long time to charge the capacitor in order to make an accurate measurement In some cases it can take up to 2 minutes During this time buttons may not respond In this case wait a while and try again or unplug your capacitor and configure your settings then reconnect the capacitor to the terminals Cleaning WARNING To avoid electrical shock or damaging the meter prev
20. ent water from getting inside the case In the case that water gets inside remove the battery immediately and do not operate the instrument immediately Doing so will immediately damage the instrument and void its warranty 106 Before cleaning this meter make sure the power is OFF and remove external AC adapter if one is used To clean the meter wipe the dirty parts with a soft cloth soaked with diluted neutral detergent Avoid having the instrument too wet to prevent the detergent from penetrating into the inside components of the meter causing damages After cleaning make sure the instrument is completely dried before operating it again 107 SERVICE INFORMATION Warranty Service Please go the support and service section on our website www bkprecision com to obtain a RMA Return the product in the original packaging with proof of purchase to the address below Clearly state on the RMA the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Please go the support and service section on our website www bkprecision com to obtain a RMA Return the product in the original packaging to the address below Clearly state on the RMA the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on an open account must include payment in the form of a money order or credit card For
21. error on display CALCulate TOLerance BASE Description Query the base value of the tolerance function Response Return lt NR3 gt format string CALCulate TOLerance VALue Description Query the tolerance value of the tolerance function Response Return lt NR3 gt format string The returned value will not be in terms of For example if display shows 0 35 return value could be 3 535005e 03 CALCulate TOLerance STATe lt Boolean gt Description Enable or disable the tolerance function of the calculation Example CALC TOL STAT OFF 88 TRIGger Subsystem TRIGger SOURce lt BUS IMMediate gt Description Select a source of the trigger signal Parameter BUS select a bus command source and enter the trigger hold mode In this mode data hold will be activated to hold each measured reading after trigger TRG is received from the bus IMM select the internal trigger source Example TRIG SOUR BUS Note The AVERage function will be disabled when entering into trigger mode TRIGger SOURce Description Query the type of the trigger source Response Return lt Literal gt format string BUS IMM TRG Description Sets instrument to data hold and return measured reading after trigger 89 Response Example TRG Return display value e g 1 23450000E 00 Measuring Subsystem FETCh Description R
22. esponse Example Return the primary display value of device s output buffer Retrieves the measurements taken by the INITiate command and places them into the device s output buffer The query can return data any time that the last reading is valid The meter generates an error 230 and no result is returned when the meter is in the trigger idle state and the data is invalid Return lt NR3 gt format string FETC Return a primary display value e g 1 23450000E 00 90 SYSTem Subsystem SYSTem ERRor Description Query the error message Response Return lt Number Error String gt format string Table 4 is a list of SCPI error message that might occur during operation Note The buffer size of the system error queue is one Keep the last error Table 4 SCPI Error Message Number Error String Number Error String 0 No error 200 Execution error 100 Command 220 Parameter error error SYSTem VERSion 91 Description Query the version of the SCPI Response Return 1999 0 string SYSTem BEEP lt Boolean gt Description Enable or disable the key beep Parameter lt Boolean gt ON OFF SYSTem BLIT lt Boolean gt Description Enable or disable the backlit Parameter lt Boolean gt ON OFF Note The backlit is turned off automatically when the backlit time isn t zero and the time comes up SYSTem B
23. iguring setup menu items as well as compare function See Setup Menu and Compare Mode sections respectively for details 17 LCD DISPLAY OVERVIEW Figure 2 LCD Indicator Display LCD Display Descriptions MAX AVG MIN Static Recording mode indicates present reading C Reading indicator AUTO Auto range REL Relative mode indicator DH Data Hold HHHH_ Secondary display 18 7 12 13 14 15 16 17 Beep tone indicator for tolerance and compare mode Tolerance percentage indicator kHz Frequency units indicator Aan pro _ Capacitance units Farad indicator Actual display will show pF mF or uF IRMT Remote mode indicator BBBBB Primary display Low battery indicator WV _ Reading out of the LO limit dh Reading out of the HI limit OFF Enable Auto Power off indicator TOL 1 5 10 20 Tolerance mode percentage for sorting capacitance 19 PUSH BUTTONS OVERVIEW 1 2 3 4 Figure 3 Front Panel Buttons 1 Power ON or OFF 2 Tolerance Mode 3 HI LO Limits for compare mode and to enable backlight 4 Auto or Manual range 20 Data hold save setting for compare mode Relative mode and right arrow key Compare mode and down arrow key Record mode and left arrow key Set HI LO limits for compare mode
24. in ON indefinitely Selectable parameters OFF 1 99 seconds Note To conserve and extend battery life select a shorter timer setting Bright Level Off State bOFF This option allows users to set the brightness level for the off state of the back light The off state refers to the state after backlight is enabled and backlight timer bLit ends For example this option is used when users want backlight to be enabled for a period of time set by bLit and then dim the brightness indefinitely afterwards When set to OFF back light will be off in the off state If a level is set the backlight will be on with the selected brightness level after backlight is enabled and backlight timer ends 44 Selectable parameters OFF 01 02 03 Note 03 is the brightest and 01 is the dimmest 45 dai DFF Figure 15 Steps to Back light Off State Brightness Level On State bON This option allows user to set the brightness level for the on state of the back light When it is set to OFF back light will be in the lowest brightness level in the on state If a level is set the backlight will be much brighter when backlight is enabled by pressing the HIILO button Selectable parameters OFF 01 02 03 Note 03 is the brightest and 01 is the dimmest level However when set OFF state will still be the lowe
25. ing the for two seconds and release The screen will now show the version At this point the power button is disabled In order to resume normal operation press any other button except the power button and it will go into normal display Setup Menu To enter the setup menu of the meter press and hold REA POWER the and press the 2 button Keep 30 holding until bAUd is displayed on the primary display For details on configuring settings please see SETUP OPTIONS section To exit setup menu press and hold for 2 seconds and the meter will return to normal display SETUP OPTIONS There are various system parameters that the meter can be configured for when entering the setup menu see Setup Menu section for instructions on how to access the menu The below table lists these parameters as well as their factory default settings and selectable parameters Table 1 Setup Menu System Settings and Default Menu Factory Selectable Parameters item Setting Baud rate 2400 4800 9600 bAUd 9600 19200 PArt NONE Parity odd even none Data 8 b Data bits 8 bits or 7 bits Stop bit 31 is always 1 bit ECHO OFF Echo ON or OFF Prnt OFF Print ON or OFF beep ON Beep ON or OFF Lock buttons OFF enable push OFF buttons ON disable pushbuttons AOFE 15 1 99 minutes
26. ional accessory for model 890C There are two versions of this adapter available One version is for 110 V AC line vollage input and the other for 220 V AC line voltage input Please locate each item from the original packaging and contact B amp K Precision immediately if something is missing 13 FRONT PANEL OVERVIEW REL i HHHH 6 7 1 8 10 9 11 I 2 12 1 3 A DISCHARGE CAPACITOR BEFORE TESTING qe i 14 P 4 Figure 1 Front Panel Display model 830C shown 14 Front Panel Display Descriptions 1 2 3 CO rM OD On Power ON OFF Button Relative mode right arrow selection button Input sleeve terminals for positive negative and guard see Guard Terminal in SUPPLEMENTAL INFORMATION section for details Input sockets banana jack inputs LCD Display Set HI LO limit Back light button Manual and Auto range button Set button for entering HI LO limit set function menu Tolerance mode up arrow selection button Data Hold Save HI LO limit settings button Record mode selection button Compare mode button Standard mini USB port for remote controllability 12V DC adapter input use with an external power adapter rated 12VDC 150mA 4mm power plug Note Use with included power adapter only Use with improper power adapters may damage instrument 15
27. irtual COM on the PC thus serial port settings must be configured properly for remote communication to be successful Below are the default settings used by the 830C and 890C meters They can be changed within the setup menu See SETUP OPTIONS section for details e Baudrate 9600 Data bits 8 Parity None Stop bits 1 Flow Control None Remote Mode Upon connecting to the instrument sending any commands listed in the Command Protocols section will automatically set the meter into remote mode In remote mode the LCD display will show the RMT indicator 76 Command Protocols Overview of Command Type and Format All commands are entered in either the upper case or the lower case There are two types of the meter programming commands IEEE 488 common commands and Standard Commands for Programmable Instruments SCPI Some commands are device specific to the meter They are not included in the version 1999 0 of the SCPI standard However these commands are designed with the SCPI format in mind and they follow the syntax rules of the standard Common Command Format The IEEE 488 standard defines the common commands as commands that perform functions like reset and system query Common commands usually come with the asterisk character and may include parameters Some examples of Common command like IDN GTL LLO SCPI Command Format and Query Format The SCPI commands control instrument functions A
28. is Farad Parameters are 1000p 10n 100n 1u 10u 100u 1m 10m and 50m will be 200m range for 830C The meter is set to auto range when the parameter is omitted Example CONF CAP 100u Set to capacitance function and 100yF range 81 CONFigure Description Query the function of the primary display Response Return function range resolution format string the examples are as following CAP 1 000000E Capacitance 100nF 0 01nF 07 1 000000E 1 CALCulate Subsystem CALCulate FUNCtion NULL TOLerance LIMit AVERage NONE Description Enable or disable the function of the calculation Parameter NULL enable null relative function TOL enable tolerance function LIM enable limit function AVER enable average static recording function NONE disable all calculation and select the 82 internal trigger source Example CALC FUNC AVER Note The trigger source is changed to immediate when the AVERage function is enabled User can combine TOL NULL LIM NULL AVER NULL or NULL AVER functions but the other combinations are void CALCulate FUNCtion Description Query the function of the calculation Response Return lt Literal gt format string AVER TOL LIM NULL or NONE For combined modes string can be TOL NULL LIM NULL AVER NULL Example Returning AVER NULL means the record function and the relative function
29. lue 85 Description Set the mode or the value of the Limit function Parameter mode The value of mode is from 01 to 25 value The limit value is from 00000 to 11000 Example CALC LIM MODE 01 Apply the settings of the mode 1 CALC LIM UPP 07 01000 Set the upper limit value of the 7 set CALCulate LIMit MODE LOWer mode UPPer lt mode gt Description Query the mode or the value of the Limit function Parameter mode The value of mode is from 01 to 25 Response Return lt NR1 gt format string Example CALC LIM MODE _ Query the mode of the 86 Limit function CALC LIM UPP 07 Query the upper value of the mode 7 Note CALCulate LIMit MODE Query will respond with an error if meter is not in limit function and if the state of limit function is disabled To set meter to limit function use the CALCulate FUNCtion command CALCulate LIMit STATe Boolean Description Enable or disable the Limit function of the calculation Example CALC LIM STAT OFF CALCulate TOLerance RANGe 1 5 10 20 gt Description Set the tolerance range of the Tolerance function Example CALC TOL RANG 5 Set 5 tolerance range Note Tolerance range can only be set when tolerance function mode is set When this function is not set as the current mode 87 CALCulate TOLerance RANGe command will return an
30. n damage to or destruction of part or all of the product SAFETY GUIDELINES To ensure that you use this device safely follow the safety guidelines listed below e This meter is for indoor use altitude up to 2 000 m e The warnings and precautions should be read and well understood before the instrument is used e When measuring in circuit components first de energize the circuits before connecting to the test leads e Never attempt to measure voltage with this instrument Do not use the device if it appears damaged in form Inspect the leads for damaged insulation or exposed metal Replace damaged leads if necessary Disconnect power and discharge all capacitors prior to testing The meter is safety certified in compliance with EN61010 IEC 1010 1 Installation 3 Category II CAT 11 50 V Pollution Degree 2 environment Use the meter only as specified in this manual Otherwise the protection provided by the meter may be impaired The power for the meter is supplied with a single standard 9V battery It can also operate from AC line using a 12V AC to DC adaptor If a power adaptor is selected please be sure to use one with correct AC line input voltage and fulfills the safety requirements of a relevant IEC standard Use only battery specified by the meter See Installing Battery section for details Safety Symbols N This symbol is a warning and indicates that the user should refer to the o
31. n this mode the MAX AVG MIN indicator will be displayed At this point the meter will start recording measured values applied to the input Sockets or terminals During the recording process maximum minimum and average values will be stored A beep will sound once a recording has been stored Note Subsequent beep tones may occur in this mode if there are new values that are recorded For example if a new maximum is detected it will beep once again to indicate that the new value has been stored Any previously stored values will be overwritten with the new recorded values Maximum Mode In this mode the MAX indicator will be shown on display This indicates that the value in the primary display represents the recorded maximum value 54 Minimum Mode In this mode the MIN indicator will be displayed This indicates that the value in the primary display represents the recorded minimum value Average Mode In this mode the AVG indicator will be displayed This indicates that the value in the primary display represents the recorded average value This average value is obtained by taking the maximum and minimum recorded values and taking the average of the two values Disable Static Recording REC To exit this mode press and hold the button for two seconds The MAX AVG MIN MAX MIN or AVG indicator will disappear on screen and auto power off will be re enabled again if it was enable
32. nfigure HI LO limits 1 Press and hold for two seconds to enter HI LO limit setting mode 2 The secondary display will flash L01 and the primary display will indicate the limit value Default is displayed as 0090 This indicates the limit value for the first set for the LO limit REC REL Use the or button to select the digits of the limit value going left or right respectively The digit that is blinking rapidly indicates the current selection 71 Once the digit you want to adjust is blinking TOL use the or to increase or decrease the value of the blinking digit Once the desired limit value is set press and HOLD hold button for two seconds or until all the digits on the primary display stops blinking To set the HI limit value for the first set press the button once and the secondary display will show H01 blinking slowly To adjust the next set of limit values simply press the button once The secondary display will now show either H02 or L02 depending on whether the last set limit was for HI or LO Repeat steps 2 5 for this second set of limits The meter can store up to 25 different limit sets Repeating the above steps will cycle through 01 02 03 25 After the 25 set it will go back to the 15 set again 72 Exit HILO Limit Menu Once all limit values are configured for all the sets to be used hold and press the but
33. ng against all other components See Figure 21 for illustration Note The tolerance mode cannot be activated unless the meter senses that a 60 capacitance is connected to either the input sockets or terminals WARNING Be sure that the capacitor is fully discharged BEFORE inserting it into the input sockets or terminals For large capacitors it may take longer periods of time for a full discharge Inserting a charged or partially charged capacitor into the meter s input sockets or terminals may produce an electric hazard and may also damage the instrument thus rendering it unusable SS A X t Figure 21 Inserting Capacitance to Inputs 61 2 Once the desired measured reading is TOL displayed press the button once to store the reading as the standard value or test reference value At this point the TOL will be displayed on the screen indicating that the tolerance mode is activated 3 To select the tolerance range press the TOL button once more For each button press the meter will cycle through the tolerance range percentage in this order 196 596 10 20 These percentage ranges will also be indicated on the LCD display by the indicators 1 5 10 or 20 respectively The component to be tested will be verified within the selected tolerance 96 of the standard value
34. on the left next to the primary display 4h arrow indicates the value is too high and fails the test WW arrow indicates the value is too low and fails the test If the reading is within the HI or LO limits one audio beep will sound and the secondary display will show GO After three seconds the meter will return to ready state again 67 Exit Compare Mode a To exit compare mode simply press and hold for two seconds 9922 indicator will disappear from the upper right corner of the display indicating that meter is no longer in compare mode 68 Push HI LO ush Figure 23 Steps to Setup Compare Mode 69 Low limit i n 1 qna pe ILI roo tonow 8 Va wt Satan c r in C 1622 ui High no 2004 C gt 522 E lt tais 1505 s 2 qe Figure 24 Steps to Sort by Compare Mode 70 Setting and LO Limits The yellow keys from the front key buttons are used for setting HI and LO limits for compare testing The button enters the HI LO limit setup menu TOL The arrow buttons and REL are used to adjust the HI LO sets and HI LO HOLD limit values The button is used to save the adjusted limit values Follow the below procedure to co
35. once to zero out the meter as reference This way any measurements taken would not be affected by the test leads or setup Note Relative mode can be set in both auto and manual range but cannot be set when OL or overload is displayed on the meter Disable Relative mode To disable relative mode simply press and hold the REL button for two seconds The REL indicator will disappear which indicates the relative mode is disabled 58 C AUTO amp OFF DUT OPEN Push REL UU ID DUT OPEN Change DUT C REI L AUTO I E LI DUT 5pF Push REL C REI AUTO ga E ROM DUT Push NULL for 1Sec Push NULL for 215 Push NULL for lSec Figure 20 Steps to Use Relative Mode 59 Tolerance The tolerance mode feature is specifically used for component sorting purposes Users who need to test and sort through a large number of components will find this function quite helpful Tolerance Range The tolerance function is configured primarily by percentage range meaning a percentage is used to define whether a measured value is within tolerance or out of tolerance Selectable tolerance range is 1 5 10 and 20 Setup Tolerance 1 Insert the component to be used as the standard reference value In other words insert a known good component that will be used for testi
36. perating instructions located in the manual m DC Current Q 9 O Indicates inside pin is positive outside is negative Compliance Statements Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems This product is subject to Directive 2002 96 EC of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disposed of as unsorted municipal waste Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements Environmental Conditions Operating Environment 0 to 40 Storage Humidity 0 80 R H Storage Environment 20 C to 50 G Pollution degree Pollution degree 2 TABLE OF CONTENTS SAFETY GUIDELINES 3 INTRODUCTION 11 PACKAGE CONTENTS 13 FRONT PANEL OVERVIEVW 14 Front Panel Display Descriptions 15 Front Panel 16 LCD DISPLAY 18 LCD Display Desc
37. riptions 18 PUSH BUTTONS OVERVIEW 20 POWERING INSTRUMENT 22 Installing Battery eese 22 Connecting External Power 24 Low Battery Indication a 27 Backlit ttt eite teles 27 POWER ON OPTIONS 29 Reset HI LO Limits 29 View Firmware Version a 30 Setup MENU m 30 SETUP OPTIONS 31 Baud Rate bAUd 33 Parity PAM ee is Ris cen 35 Data Bits Data etenim 36 Echo ECHO ced cde 37 Print Only Prnt ieu eee 38 Key Beeper 39 Lock Buttons EDUt 40 Auto Power Off AOFF sse 41 Backlit Display Time bLlt 44 Bright Level Off State DOFF 44 Brightness Level On State bON 47 Reset to Default dEFA 49 OPERATION INSTRUCTIONS 51 Data Hold Trigger Hold 442401221 51 Static Recording
38. rystal display LCD with maximum reading of 11000 counts Automatic polarity indication Capacitance measurement by DC charge and discharge method Visible and audible Tolerance mode assists you to sort capacitors Min Max Average Data Hold with Manual or Auto Trigger and Relative modes Comparison mode with 25 sets of HI LO limits can be selected Backlit display for easy reading in the dark USB virtual com computer interface with SCPI commands One year calibration cycle suggested Measuring rate Approx 5 times s for capacitance 100yF Low battery indicator 101 appears when the battery voltage drops below 6V approx Operating temperature 0 to 40 C 32 F 113 F Storage temperature 20 C to 50 C 4 F 122 F without battery Relative Humidity R H Maximum 80 for temperature up to 31 C decreasing linearly to 50 R H at 40 C Temperature coefficient 0 1 specified accuracy C from 0 C to 18 C or 28 C to 40 C Power supply Single standard 9V Battery or AC power adapter Power Consumption 270 mVA maximum with backlit on Battery life 70 hours without backlit approx Based on new alkaline 9V 545m A Battery Dimension HxWxL 1 6 x 3 5 x 7 5 inches 41 x 90 x 190 mm Weight 0 77 Ibs 350 g with battery Standard Accessories Alligator clip leads 9V battery Mini USB Cable and Instruction manual 102 Safety Standard Designed in
39. serted properly with correct polarity In this event the meter will automatically switch to consume power from the AC adapter instead of the battery to preserve battery life 26 Low Battery Indication The capacitance meter has a low battery indicator to notify the user when to replace the battery When the display starts flashing the indicator the battery voltage is below normal working voltage In this case accuracy of the meter will also decrease It is recommended that the battery be replaced as soon as possible before continuing operation See Installing Battery for instructions Backlit Display The capacitance meter has a backlit display that allows you to see the LCD display in dark conditions HIILO To turn on the back light press and hold the button for 2 seconds Back light will turn on and brighten the LCD display To turn off the back light at any time press and hold HI LO the button for 2 seconds again Back light will turn off and return to normal display 27 When Using Battery Power When the meter is powered using 9V battery the back HIILO light display will turn on upon holding the button for 2 seconds It will stay at maximum brightness for 15 seconds if backlight settings are set to default value When Using External Power When the meter is powered using an external AC adapter the back light display will turn on upon HI LO pressing and holding the button for 2 seconds It will sta
40. st brightness level 47 Push Figure 16 Steps to Change Back light ON State 48 Reset to Default dEFA This option will reset all setup option parameters back to default values as listed in Table 1 Setup Menu System Settings and Default To reset simply press HOLD and hold the button for two seconds The meter will then be resetting all parameters immediately All push buttons will not respond immediately so wait for approximately 5 seconds until the display changes and returns to bAUd option Once this is displayed users can verify that all settings under setup menu are set to factory default 49 dEFH Push SAVE for gt 1 Sec 4 6 Figure 17 Reset to Factory Default 50 OPERATION INSTRUCTIONS Data Hold Trigger Hold The data hold trigger hold function allows the user to freeze the display when pressed holding the measured value until data hold is turned off Turn On Data Hold HOLD To use data hold press the button once The DH indicator will display on the screen when data hold is active Trigger Hold Users can send a trigger hold once data hold has been turned on While indicator is displayed all HOLD subsequent key press of the button will send a trigger to acquire a reading and hold immediately Turn Off Data Hold HOLD To disable the data hold press and hold button for two seconds The
41. subsystem command has a hierarchical structure that usually consists of a top level or root keyword one or more lower level keywords and parameters The 77 following example shows a command and its associated query CONFigure CAPacitance 10u Set the primary display to the capacitance measurement and select the 10 uF range CONFigure Return the function of the primary display measurement CONFigure is a root level keyword with the second level keyword CAPacitance and 10u is the command parameter The query command ends with a question mark Note SCPI stems from IEEE488 1 and IEEE 488 2 Although the IEEE 488 2 standard addressed some instrument measurements it principally dealt with common commands and syntax or data formats Please refer to the IEEE488 2 and SCPI reference manual for more information Termination Character A terminator is a character sent by a host which identifies the end of acommand string A valid terminator consists of two byte data CR Carriage Return ASC amp HOD or lt LF gt Line Feed ASC amp HOA or lt CR gt lt LF gt 78 Responding Message Returned result After the meter executes a query command the return of the result will be in the following format lt Result gt lt CR gt lt LF gt Data Types Returned message is an ASCII string from the meter responding to a query A query is a command accompanied a mark Table 3 below explains the differen
42. t data types Table 3 Data Type of Responded Messages Data Type Explanation Example lt NR1 gt An integer 800 200 100 50 This numeric presentation hes an explicit radix point This representation lt NR3 gt has an explicit 2 345678E 04 radix point and an 1 345678E 01 exponent A parameter for lt Boolean gt Boolean setting ON or OFF Always return 0 79 or 1 for Boolean query command A string is used as command HOLD lt Literal gt parameters with short literal form SCPI Commands This section described all the SCPI commands supported by the meter The meter can accept both upper case and lower case commands Table 4 SCPI Symbol Conventions Text Symbol Meaning Option can be omitted Exclusive OR lt gt Defined element Comment Question mark Separated two command keywords 80 IDN Description Queries the instrument ID Response lt instrument model gt lt firmware version gt lt serial number gt LLO Local Lockout This means that all front panel buttons POWER are disabled except for S button GTL Go to local Puts the meter into the local state clearing the remote state and front panel lockout CONFigure Subsystem CONFigure CAPacitance lt range gt Description Set capacitance range Parameter range Measuring unit
43. the most current repair charges please refer to the service and support section on our website Return all merchandise to B amp K Precision Corp with pre paid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North America is included for Warranty Service For overnight shipments and non North American shipping fees please contact B amp K Precision Corp B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem 108 LIMITED WARRANTY B amp K Precision Corp warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of three years from date of purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt To obtain warranty coverage in the U S A this product must be registered by completing a warranty registration form on our website www bkprecision com within fifteen 15 days of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations
44. ton for two seconds to exit 73 mm rai ma EE ERE L rl L 4103 Ez A 8 ua Figure 25 Steps to Set HI LO Limits 74 REMOTE COMMUNICATION The meter has the capability to communicate with a PC over the mini USB interface Upon installation of a USB driver the PC can control the instrument over virtual COM The mini USB communication interface of the meter is fully duplex and has a 64 byte input and output buffer making it reliable and efficient for data transmission Connecting Instrument to PC Follow the below procedures for connection setup 1 Download the USB drivers from www bkprecision com 2 With the included mini USB cable connect the mini USB end to the capacitance meter and the other end to an available USB port on the PC 3 When Windows recognizes the USB connection do not follow the default Windows driver installation wizard Simply run the setup file from the downloaded USB drivers and follow the prompt to install drivers 4 When completed the computer will recognize the instrument as a USB virtual COM device meaning it will be detected as a serial COM 75 port Windows will automatically assign a COM port to the instrument Please verify which COM port Windows has assigned by going into Device Manager USB Virtual COM Configuration The USB will be recognized as a v
45. ut Be sure to use 24 one that has the correct AC line voltage input for use in your country For external power use AC adapter rated for output 12VDC 150mA with a standard 4mm connector only WARNING Use of incorrect adapters may damage the instrument Please use B amp K Precision s adapter only Be sure to use one with the correct AC line input voltage To connect the adapter do the following 1 If a battery is installed please check the battery compartment again that the polarity of the battery matches the polarity as indicated by the labels inside the compartment If it is not please remove and insert the battery with matching polarity If a battery is not installed continue to the next step WARNING DO NOT at any time connect an external power adapter when a battery is installed incorrectly reverse polarity or non matching polarity to indicator of battery compartment Doing so will damage the instrument and void its warranty 25 2 Connect the AC adapter connector into the right side panel of the instrument See Figure 6 below 3 Now connect the AC Adapter socket into an electrical outlet C 4 Push and hold down the button for 2 seconds to turn on the instrument 12VDC Input AC Adapter Figure 6 Connecting AC Adapier to Meter Note The meter can be operated with a battery installed while an AC adapter is plugged in at the same time As long as the battery is in
46. valid SYSTem AOFF TIME lt minute gt 0 99 Set an auto power off time BLIT Boolean Enable or disable the backlit TIME lt second gt 0 99 Set a backlit time BEEP lt Boolean gt Enable or disable the buzzer 96 DEFAult Set default value to the non volatile memory ERRor Query error message VERSion Query version of the SCPI STATus Query the status Error Codes In certain situations errors may occur and an error code will be displayed on the meter Below defines the error description based on the error code ErrOr 1 Unknown command ErrOr 2 Parameter Error ErrOr 3 Syntax Error MEASUREMENT TIPS To avoid possible damage to the meter or the equipment under test disconnect circuit power and discharge the capacitor before measuring capacitance Capacitance is the ability of a component to store an electrical charge The unit of capacitance is the farad F Most capacitors are within the range of nanofarad nF to microfarad uF The meter 97 measures capacitance by charging the capacitor with a known current measuring the resulting time of the charging period and then calculating the capacitance The larger capacitors will take longer time to charge Some large capacitors can take over a minute to measure due to the long charge time required A flashing C indicates charging capacitor To improve the measurement accuracy of a small value capacitan
47. y at maximum brightness continuously until the user presses and holds the button for 2 seconds again Note If a battery is installed while using an AC adapter simultaneously unplugging the AC adapter will automatically start the back light timer configured under SETUP OPTIONS and back light will turn off once the time is up 28 POWER ON OPTIONS To select power on options press and hold the pushbutton as indicated in the table below while turning on the meter For example press and hold POWER 0 press to enter setup menu PUSHBUTTON DESCRIPTION Reset the high and the low limits to factory default values REL To see firmware version Setup menu for configuration SET settings of the meter Reset HI LO Limits To reset the high and low limit values to factory 4 default values press hold the and press POWER button Keep holding the button for five or more seconds or until you hear two audible beeps Now release and all HI and LO limit values are reset back to factory default values 29 4 Note If you released the button before hearing the two beeps the display will not show any digits on the primary display for a few more seconds Please wait until it displays digits before operation View Firmware Version To check the firmware version of the meter press and REL POWER hold and press the E button Keep REL hold
48. y the capacitance sorting process Capacitance is measured by using a small DC voltage signal that slightly charges the connected capacitor for a short time Unlike other handheld instruments such as LCR meters it does not use an AC signal with a specific test frequency to make measurements Front panel push buttons maximize the convenience of function and feature selection The meters support the following modes Tolerance sorting mode relative mode data hold manual and auto range mode min max avg recording and high low limit setting Test data can be transferred to a PC through a Mini USB connection which is useful for data logging applications A tilt stand provides position flexibility for viewing and operating the meter The over molding rubber case 11 protects the meter for better durability Additionally the top rubber visor molding above the screen is designed to prevent scratches on the display when the meter is positioned upside down A single 9V battery or the included DC 12V power adaptor included with model 830C only can be used to power the meter This gives user flexibility for portable or bench top use 12 PACKAGE CONTENTS Each 830C and 890C capacitance meters are shipped with the following contents e 830C or 890C capacitance meter Instruction Manual Mini USB Interface Cable Red amp Black Banana to Alligator Test Leads 9V Battery AC Adapter model 830C only This can be purchased as an opt
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