Bk-precision 830C - Manual Manual do Utilizador

Model 830C, 890C Dual Display Capacitance Meter INSTRUCTION MANUAL

8 TABLE OF CONTENTS SAFETY GUIDELINES ... 3 INTRODUCTION ...

98 measures capacitance by charging the capacitor with a known current, measuring the resulting time of the charging period, and then calculating

99 Measuring large capacitors: Measuring very large capacitors, for example a 100 mF value, requires a long time. . In this case, after inserti

100 The guard terminal is used to minimize noise and to help minimize parasitic components of the capacitor to be measured, thus allowing for more

101 General specification Display: - 5 digit liquid crystal display (LCD) with maximum reading of 11000 counts. - Automatic polarity ind

102 The " " appears when the battery voltage drops below 6V (approx.). Operating temperature: 0°C to 40 °C (32ºF~113ºF) Storage tempe

103 Safety Standard: Designed in compliance with EN61010-1 (IEC1010-1) for CAT-II 50V, Pollution Degree II Environment. EMC designed in complian

104 Specifications are subject to change without notice. To ensure the most current version of this manual, please download the current version he

105 MAINTENANCE WARNING: Do not perform any service by yourself. Service should only be done by qualified personnel and trained technicians. Se

106 Push buttons failure ● Check whether the meter is under remote control. ● Turn OFF and then turn ON the meter again. ● Check the setup mode

107 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

9 Baud Rate (bAUd) ... 33 Parity (PArt) ...

108 SERVICE INFORMATION Warranty Service: Please go the support and service section on our website www.bkprecision.com to obtain a RMA #. Return t

109 LIMITED WARRANTY B&K Precision Corp. warrants to the original purchaser that its products and the component parts thereof, will be free f

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 (

22820 Savi Ranch Parkway Yorba Linda, CA 92887 www.bkprecision.com © 2011 B&K Precision Corp. Printed in China

10 Remote Mode ... 76 Command Protocols ...

11 INTRODUCTION B&K Precision’s 830C and 890C 11,000-count hand-held capacitance meters measure capacitance and include a capacitance sort

12 protects the meter for better durability. Additionally, the top rubber visor molding above the screen is designed to prevent scratches on the

13 PACKAGE CONTENTS Each 830C and 890C capacitance meters are shipped with the following contents. • 830C or 890C capacitance meter • Instruc

14 FRONT PANEL OVERVIEW Figure 1 - Front Panel Display (model 830C shown)

15 Front Panel Display Descriptions 1. Power ON/OFF Button 2. Relative mode / right arrow selection button 3. Input sleeve terminals for posit

16 WARNING: Before connecting an external power adapter, please check the battery compartment in the rear side of the unit. If a battery is ins

17 button; meaning that function will be set or configured upon pressing it. To escape out of the functions, hold and press the corresponding but

18 LCD DISPLAY OVERVIEW Figure 2 - LCD Indicator Display LCD Display Descriptions 1. MAX AVG MIN – Static Recording mode, indicates present rea

19 7. – Beep tone indicator for tolerance and compare mode 8. % - Tolerance percentage indicator 9. kHz – Frequency units indicator 10. – Ca

20 PUSH BUTTONS OVERVIEW Figure 3 - Front Panel Buttons 1. Power ON or OFF 2. Tolerance Mode 3. HI/LO Limits for compare mode and to enable

21 5. Data hold and save setting for compare mode 6. Relative mode and right arrow key 7. Compare mode and down arrow key 8. Record mode and l

22 POWERING INSTRUMENT Before operating the instrument, make sure to connect it to a power source, which could be either a battery or an external

23 Figure 4 - Back Cover 2. Insert 9V battery into compartment. Note the positive (+) and negative (-) terminals as indicated inside the batter

24 3. Place the battery compartment cover piece by sliding it into the top slid first. Place screw at the bottom of the cover piece and tight

25 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

26 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 i

27 Low Battery Indication The capacitance meter has a low battery indicator to notify the user when to replace the battery. When the display star

1 Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of oper

28 When Using Battery Power When the meter is powered using 9V battery, the back light display will turn on upon holding the button for 2 second

29 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 ex

30 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 s

31 holding until “bAUd” is displayed on the primary display. For details on configuring settings, please see SETUP OPTIONS section. To exit se

32 is always 1 bit) ECHO OFF Echo: “ON” or “OFF” Prnt OFF Print: “ON” or “OFF” beep ON Beep: “ON” or “OFF” LbUt OFF Lock buttons , “OFF”: enable

33 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 s

34 Figure 7 - Steps to Change Baud Rates

35 Parity (PArt) The parity setting is used for communication with the PC over USB interface. For PC communication, parity MUST match the setting

36 Data Bits (Data) The data bits setting is used for communication with a PC over USB interface. For PC communication, data bits MUST match sett

37 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

2 service and repair to ensure that safety features are maintained. WARNINGS AND CAUTIONS WARNING and CAUTION statements, such as the following ex

38 Print Only (Prnt) Under remote operation, when the meter is set with print only mode to “ON”, it will print out measured data when the measurem

39 Figure 11 - Steps to Change Print-Only Setting Key Beeper (bEEP) The key press beep sound can be enabled or disabled. Selectable parameters:

40 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 “

41 with a means to disable or unlock the buttons when necessary. Selectable parameters: OFF, ON Figure 13 - Steps to Change Lock Buttons Settin

42 indicator. When disabled, the meter will run indefinitely. Note: The timer will not be in effect if any of the below happens: 1. Push butto

43 Figure 14 - Steps to Change Auto Power Off Settings

44 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

45 Selectable parameters, OFF, 01, 02, 03 Note: “03” is the brightest and “01” is the dimmest.

46 Figure 15 - Steps to Change Back light Off State

47 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

3 SAFETY GUIDELINES To ensure that you use this device safely, follow the safety guidelines listed below:  This meter is for indoor use, altit

48 Figure 16 - Steps to Change Back light ON State

49 Reset to Default (dEFA) This option will reset all setup option parameters back to default values as listed in Table 1 - Setup Menu System Sett

50 Figure 17 - Reset to Factory Default

51 OPERATION INSTRUCTIONS Data Hold/Trigger Hold The data hold/trigger hold function allows the user to freeze the display when pressed, holding

52 Figure 18 - Data/Trigger Hold Operation

53 Static Recording This mode is used for recording maximum, minimum, and average capacitance values. It captures only stable values and updates

54 Recording Mode Maximum Mode Minimum Mode Average Mode Recording Mode This is the default mode when first enabling static recor

55 Minimum Mode In this mode, the “MIN” indicator will be displayed. This indicates that the value in the primary display represents the recorde

56 Figure 19 - Steps to Use Static Recording

57 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 rel

4 Category II (CAT. II) 50 V, Pollution Degree 2 environment.  Use the meter only as specified in this manual. Otherwise, the protection provid

58 have test leads or wires connected to the meter in the fashion that they desire. Then, press the button once to “zero” out the meter as refe

59 Figure 20 - Steps to Use Relative Mode

60 Tolerance The tolerance mode feature is specifically used for component sorting purposes. Users who need to test and sort through a large numb

61 capacitance is connected to either the input sockets or terminals. WARNING: Be sure that the capacitor is fully discharged BEFORE inserting i

62 2. Once the desired measured reading is displayed, press the button once to store the reading as the “standard” value or test reference valu

63 Note: Under the following instances, the tolerance mode cannot be set: 1. After setting recording mode 2. After setting HI/LO limit for com

64 Figure 22 - Steps to Setup Tolerance Mode

65 Compare Mode This function allows you to sort capacitors and to configure 25 sets of limit ranges. The meter comes with preconfigured stored v

66 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 Th

67 2. Press the button to cycle through the sets from “C01” to “C25”. 3. Press the button to see the HI and LO values used for the comparis

5 Safety Symbols This symbol is a warning and indicates that the user should refer to the operating instructions located in the manual. DC Cu

68 Exit Compare Mode To exit compare mode, simply press and hold for two seconds. The “ ” indicator will disappear from the upper right corner

69 Figure 23 - Steps to Setup Compare Mode

70 Figure 24 - Steps to Sort by Compare Mode

71 Setting HI and LO Limits The yellow keys from the front key buttons are used for setting HI and LO limits for compare testing. The button en

72 3. Once the digit you want to adjust is blinking, use the or to increase or decrease the value of the blinking digit. 4. Once the desired

73 Exit HI/LO Limit Menu Once all limit values are configured for all the sets to be used, hold and press the button for two seconds to exit.

74 Figure 25 - Steps to Set HI/LO Limits

75 REMOTE COMMUNICATION The meter has the capability to communicate with a PC over the mini USB interface. Upon installation of a USB driver, th

76 port. Windows will automatically assign a COM port to the instrument. Please verify which COM port Windows has assigned by going into “Device

77 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

6 This product is subject to Directive 2002/96/EC of the European Parliament and the Council of the European Union on waste electrical and electr

78 following example shows a command and its associated query: CONFigure:CAPacitance 10u Set the primary display to the capacitance measurement,

79 Responding Message Returned result After the meter executes a query command, the return of the result will be in the following format: <Resu

80 or “1” for Boolean query command <Literal> A string is used as command parameters with short literal form HOLD SCPI Commands This sect

81 *IDN? Description: Queries the instrument ID. Response: <instrument model>, <firmware version>, <serial number> LLO Local

82 CONFigure? Description: Query the function of the primary display. Response: Return <”function range, resolution”> format string, the e

83 internal trigger source. Example: CALC:FUNC AVER Note: The trigger source is changed to immediate when the AVERage function is enable

84 CALCulate:NULL:OFFSet? Description: Query the offset value of the null (relative) function. Response: Return <NR3> format string. N

85 Example: CALC:AVER:MAX? ; Query the maximum recorded value. CALC:AVER:MIN? ; Query the minimum recorded value. CALC:AVER:AVER? ; Qu

86 Description: Set the mode or the value of the Limit function. Parameter: <mode>: The value of mode is from 01 to 25. <value>:

87 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 m

7 Environmental Conditions Operating Environment 0 °C to 40 °C Storage Humidity 0 – 80% R.H. Storage Environment -20 °C to +50 °C Pollution degre

88 CALCulate:TOLerance:RANGe command will return an error on display. CALCulate:TOLerance:BASE? Description: Query the base value of the toler

89 TRIGger:Subsystem: TRIGger:SOURce < BUS | IMMediate > Description: Select a source of the trigger signal. Parameter: BUS – selec

90 Example: *TRG Response: Return display value, e.g +1.23450000E+00 Measuring Subsystem: FETCh? Description: Return the primary displa

91 SYSTem Subsystem SYSTem:ERRor? Description: Query the error message. Response: Return <Number, “Error String”> format string

92 Description: Query the version of the SCPI. Response: Return 1999.0 string. SYSTem:BEEP <Boolean> Description: Enable or disabl

93 SYSTem:AOFF:TIME <minute> Description: Set an auto power off time. Parameter: <minute>: 0 ~ 99. Set “0” to disable auto

94 Each character represents the following: Item Explanation A Average function 0:off, 1:on B Null function 0:off, 1:on C Limit function 0:off, A

95 S Battery 0:normal, 1:low T Unused always 0 U Auto range 0:off, 1:on Summary of SCPI Commands Command Parameter Explanation CONFigure? Quer

96 :LIMit :MODE <mode> Set the value of the limit function :UPPer <mode>,<value>

97 :DEFAult Set default value to the non-volatile memory :ERRor? Query error message :VERSion? Query version of the SCPI S