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KYORITSU KEW 3128 Instruction Manual Download Page 61

KEW3128

 

61

KEW3128 

     6. Measurement

 

 6.6.3 Measured Result 

  

 The result of DD measurement is displayed as follows.

Displayed Items

Details

Insulation Resistance

Measured insulation resistance value

Measuring Time

Elapsed time from a beginning of a measurement

Pre-set Voltage

Pre-set output voltage value

Output Voltage

Voltage being output 

DD

Dielectric Discharge

Current

Current value being measured

Capacitance

Capacitance measured at discharge.

DD value

Summary of Contents for KEW 3128

Page 1: ...Instruction Manual High Voltage Digital Insulation Tester KEW 3128...

Page 2: ...CONNECTION 20 6 Measurement 21 6 1 BASIC OPERATION 21 6 1 1 How to start measurements 21 6 1 2 Steps for Measurements 23 6 1 3 Setting for Measurement 30 6 1 4 Graph Operation 33 6 1 5 Menu 37 6 1 6 F...

Page 3: ...62 6 7 3 Measured Result 64 6 8 MEASUREMENT SCREEN 65 6 9 CAPACITANCE MEASUREMENT 68 6 9 1 Measurement Screen 68 6 10 VOLTAGE MEASUREMENT 69 6 10 1 Measurement Screen 69 6 11 OTHER FUNCTIONS 70 6 11...

Page 4: ...al at hand to enable quick reference whenever necessary The instrument is to be used only in its intended applications Understand and follow all the safety instructions contained in the manual It is e...

Page 5: ...a measurement if contamination or carbonization which may impair insulation characteristics is found on the test leads or around the terminals Do not repeat short circuiting opening of test leads inte...

Page 6: ...instrument to the direct sun high temperature and humidity or dewfall Use a cloth dipped in water or neutral detergent for cleaning the instrument Do not use abrasives or solvents When this instrument...

Page 7: ...ltage 12kV max Resistance 35T max Short Circuit Current 5mA max Insulation Diagnosis Tests Values of Polarization Index PI Dielectric Absorption Ratio DAR and Dielectric Discharge DD are displayed aut...

Page 8: ...VE circuit warning symbols plus audible warning Auto Discharge Function When insulation resistance like a capacitive load is measured electric charges stored in capacitive circuits are automatically d...

Page 9: ...Applicable Standards IEC61010 1 CAT IV 600V Pollution Degree2 IEC61010 031 For Hand held Probe Assemblies IEC61326 EMC Standard for electrical equipment for measurement control and laboratory use IEC...

Page 10: ...9 99G 10 0G to 99 9G 100G to 999G 1 00T to 3 00T 4 00M to 9 99M 10 0M to 99 9M 100M to 999M 1 00G to 9 99G 10 0G to 99 9G 100G to 999G 1 00T to 6 00T 8 00M to 9 99M 10 0M to 99 9M 100M to 999M 1 00G t...

Page 11: ...t readings are displayed when external AC voltages are applied Graph of Resistance Output voltage Characteristic Rated current at 500V 1000V 2500V 5000V Ranges max 1mA or higher Rated current at 10kV...

Page 12: ...ower bound within the range of the resistance measurement is measured the measurement current might become larger than 2 4mA The display in that case becomes 2 40mA Capacity Meter Range 500V 5000V Ran...

Page 13: ...tive humidity 85 or less when operating with an external power supply no condensation 0 C 40 C Relative humidity 85 or less when operating with battery no condensation Storage temperature humidity ran...

Page 14: ...put 210mA 220mA Range 2500V 5000V Short circuiting the output 1700mA 1600mA Short circuiting the output of rated current 1650mA 2 5M 2000mA 5M Opening the output 280mA 380mA Range 10000V 12000V Short...

Page 15: ...ances which influence the output of rated currents are measured Measurement time approx 4 hours described at page 15 and the Measurement time in above table are the periods that full charged battery v...

Page 16: ...16 KEW3128 4 Instrument Layout KEW3128 4 Instrument Layout 4 1 Front View...

Page 17: ...creen as a 1sec or longer BMP bitmap file ESC Key Cancel a process or return to the previous screen ENTER Key Confirm entries or move to the next screen UP DOWN Key Move a cursor or alter setting valu...

Page 18: ...18 KEW3128 4 Instrument Layout KEW3128 Connectors 4 2 Side Panel Power Connector ESC Battery Cover ENTER USB Connector...

Page 19: ...r Clip red 4 4 Hard Case Regulating valve is to balance the air pressure in the Case hermetically sealed and external atmosphere for easy opening closing of Case lid Do not force to turn it or remove...

Page 20: ...urement can be performed even the TEST Button is pressed down Refer to Battery Charge and Replacement P 72 and charge or replace battery 5 2 Test Lead Connection Insert the test lead firmly to the Con...

Page 21: ...g the Switch to the OFF position powers off the instrument Following Start up Screen with Model name and Version info is displayed when powering on the instrument Then KEW logo will appear Pressing th...

Page 22: ...which are selectable on the Model Selection Screen are mentioned at Insulation Diagnosis test P 48 Move the cursor with the UP DOWN Key or Shuttle Switch and confirm the mode with the ENTER Key Then a...

Page 23: ...set the Range Switch to any desired Voltage Range Select the IR Insulation Resistance on the Mode Selection Screen and press the ENTER Key The instrument gets started with the previously selected mod...

Page 24: ...t Put the tip of the Line Probe red to the circuit under test Then press the Test Button The buzzer sounds intermittently during a measurement Press and turn the Test Button clockwise to lock the Butt...

Page 25: ...connection of test leads before the finish the discharging process reconnect the test leads to the measured object again and continue the discharge In this case a longer discharge period is required b...

Page 26: ...eads and on the circuit under test continuously Do not make measurement with the Battery Cover removed Do not make measurement when thunder rumbling CAUTION When the live circuit warning is indicated...

Page 27: ...ally permits to read smaller measured values so better for safety comparing with other way round polarity Do not extend and use the test leads it may affect on measurement accuracy or impair the safet...

Page 28: ...he rated current is output for a long time the measured object or the instrument may become heat and dangerous due to high energy consumption So this instrument automatically reduce the output voltage...

Page 29: ...t with the Battery Cover removed Voltage can be measured by selecting the Vtest Voltage on the Mode selection screen P 22 How to select a Measurement Mode No need to press the Test Button to start a m...

Page 30: ...to confirm the entry and move to the next setting item Pressing the ESC Key returns to the previous item All the set items are displayed on the LCD once settings are done Press the ENTER Key at a Con...

Page 31: ...ursor Keys Selected voltage values cannot be altered while making measurements or outputting voltages The table below shows the selectable range of voltages and step values at each Measurement Range R...

Page 32: ...DD Measurements and Step time for SV Measurements can be altered respectively The table below shows the step values for each selectable period Selectable period Step 15 sec 1 min 1 sec 1 min 10 min 3...

Page 33: ...ooming and scrolling of graphs are available A short press within 1 sec of the ESC Key in the Graph ZOOM Mode quits the Graph ZOOM Mode and returns to a normal Graph Display Screen The instrument keep...

Page 34: ...urement KEW3128 Switching the axis subject to zoom A short press within 1 sec of the ENTER Key switches the Measured Value Axis and the Time Axis to be zoomed Scroll Bar at Measured Value Axis Scroll...

Page 35: ...ing of Graph Turn the Shuttle Switch to scroll a graph The Voltage Axis at SV measurements is fixed and cannot be scrolled Switching the displayed graphs A long press 1 sec or longer of the ENTER Key...

Page 36: ...ng in Full scale A long press 1 sec or longer of the ESC Key displays a graph in full scale Displaying a graph in full scale is also possible from the ENTER Menu P 37 Quit the Graph ZOOM Mode and sele...

Page 37: ...UP DOWN Keys or Shuttle Switch and confirm the selection with the ENTER Key Pressing the ESC Key while the Menu is being displayed closes the Menu Window Items displayed with mark are accompanied wit...

Page 38: ...akes setting for the Filter Mode P 40 Filter Record Records measured results continuously Save Saves the measured results only Internal Memory Recalls or deletes the data in the internal memory P 42 S...

Page 39: ...plays Current Graph View Resistance Graph Displays Resistance Graph View Graph ZOOM Enters into the Graph Zoom Mode P 33 Graph Operation and displays a graph in full scale Each sub menu item has follo...

Page 40: ...2 Enables Filter 2 Filter 3 Enables Filter 3 Other Functions Make settings for the instrument Each sub menu item has following function Icon Name Function Clock Setting Set the clock for KEW3128 inst...

Page 41: ...ances the Filter Mode should be disabled Name Function Filter OFF Disables the Filter default setting Filter 1 Low pass Filter fc 0 3Hz Filter 2 Moving Average average of 5 data Filter 3 Low pass Filt...

Page 42: ...rom the beginning of a measurement The data 15 seconds or earlier is shown as When viewing a graph on the LCD of the instrument the measured results for 15 seconds from the beginning of a measurement...

Page 43: ...the ENTER Menu P 37 Then a list of saved data is displayed as follows Functions to recall displays the saved data delete deletes the saved data and format the data formats the internal memory are avai...

Page 44: ...d press the ENTER Key A Confirmation Screen appears Press the ENTER Key to load the selected data Pressing the ESC Key cancels to load the data Displayed parameters are dependent on the selected files...

Page 45: ...int Screen Display the saved BMP files A black frame is displayed with flashing around the LCD Press the ESC Key to return to the previous screen Delete the saved data Display a list of the saved data...

Page 46: ...Max number of les that can be saved The max number of files that can be saved is 32 files in total addingup all the Logging Result and Print Screen data The save capacity is for 43000 data for about 7...

Page 47: ...r longer while Finish is highlighted makes the new setting effective A long press of the ESC Key returns to the previous screen 6 1 9 Demo Mode KEW3128 has a Demo mode function to display simulated da...

Page 48: ...sulation resistance measurements consistent measurements Polarization Index PI Measures resistances twice and calculates polarization index automatically default value 1 min 10 min Dielectric Absorpti...

Page 49: ...in of measured results The later portions are displayed with numbers only Icon Name Details Output voltage value Voltages to be output 6 3 2 Measured Result The result of IR measurement is displayed a...

Page 50: ...calculate a ratio PI is dependent on the shape of insulations and influenced by moisture absorption therefore a check of PI is important to diagnosis the insulation of cables Polarization index TIME 2...

Page 51: ...KEW3128 51 KEW3128 6 Measurement 2 Set Voltage values 3 Set TIME1 4 Set TIME2...

Page 52: ...measurement stops automatically when this set time comes This value should be bigger than PI TIME 1 DAR Simultaneous display DAR value is displayed during PI measurements and the measured results are...

Page 53: ...t TIME1 and TIME2 DAR Resistance at TIME1 2 DAR Resistance value at TIME1 and TIME2 PI Polarization Index value Pre set Voltage Pre set output voltage value Output Voltage Voltage being output Current...

Page 54: ...asurement in a sense that they test the time course of insulation The only difference is that DAR measurement can get result faster than the other Dielectric Absorption Ratio TIME2 Insulation resistan...

Page 55: ...5 KEW3128 6 Measurement 6 5 2 How to measure DAR 1 Select the DAR Dielectric Absorption Ratio on the Mode Selection Screen Refer to Basic Operation P 21 and operate the Screen 2 Set Voltage values 3 S...

Page 56: ...efer to the Setting for Measurement P 30 and change settings Icon Name Details Output Voltage Voltage to be output DAR Time 1 Measurement doesn t stop when PI Time 1 has been passed DAR Time 2 A measu...

Page 57: ...ails Insulation Resistance Measured insulation resistance value Resistance at TIME1 2 Resistance value at TIME1 and TIME2 Pre set Voltage Pre set output voltage value Output Voltage Voltage being outp...

Page 58: ...tion test that allows deterioration and other problems voids in the multiple insulations to be assessed Dielectric Discharge Current value 1 min after completing measurement mA Voltage value when a me...

Page 59: ...128 59 KEW3128 6 Measurement 6 6 2 How to measure DD 1 Select the DD Dielectric Discharge on the Mode Selection Screen Refer to Basic Operation P 21 and operate the Screen 2 Set Voltage values 3 Set T...

Page 60: ...ting items for DD measurement are as follows Refer to the Setting for Measurement P 30 and change settings Icon Name Details Output Voltage Voltage to be output Measuring Time Measurements stop automa...

Page 61: ...etails Insulation Resistance Measured insulation resistance value Measuring Time Elapsed time from a beginning of a measurement Pre set Voltage Pre set output voltage value Output Voltage Voltage bein...

Page 62: ...r stressed will show lower insulation values at higher voltages During the test the applied voltage incrementally steps by a certain voltage taking successive 5 time measurement Degradation of insulat...

Page 63: ...are as follows Refer to the Setting for Measurement P 30 and change settings Icon Name Details Output Voltage Voltage to be output Step Time Time per step In the SV measurement mode measurements cont...

Page 64: ...tails Insulation Resistance Measured insulation resistance value Resistance at each Step time Resistance value at each Step time V1 V5 Pre set Voltage Pre set output voltage value Output Voltage Volta...

Page 65: ...layed when REC is specified Possible recording time is displayed with a bar graph and numbers Filter Mode Mark of the selected Filter ENTER Menu Accessible to the ENTER Menu when pressing the ENTER Ke...

Page 66: ...ws discharge is in progress Bar Graph Bar graph indicating the measured insulation resistances Measurement Information Supplementary info about each measurement mode Measurement Time Elapsed time afte...

Page 67: ...charge is in progress Graph Bar graph indicating the measured insulation resistances Axis for Current Resistance values Axis is switched between current and resistance values depending on each graph M...

Page 68: ...are displayed when insulation resistance measurements complete When the output voltages are 80 or less of the preset voltage values at an insulation resistance measurement readings for capacitance bec...

Page 69: ...ltage Measurement 6 10 1 Measurement Screen The result of Voltage measurement is displayed as follows Displayed Items Details Frequency Frequency being measured DC AC Display DC AC of measurement volt...

Page 70: ...to measure only the volume resistance of insulator Use the Guard cord supplied with this instrument to connect the instrument and the Guard terminal G Terminal Earthing Procedure The G Terminal Earth...

Page 71: ...cilitate working at dimly illuminated location or at nighttime work Press the Backlight Button when the Range Switch is at any position other than OFF The Backlight will light up for about 1 min and t...

Page 72: ...plugging the Cord from the mains socket outlet do so by removing the Plug first and not by pulling the Cord Set the Range Switch to the OFF position Confirm a battery is installed in the instrument Co...

Page 73: ...attery Compartment Cover After replacing battery be sure to tighten up the screw for Battery Compartment Cover CAUTION Install a battery in correct polarity as marked inside Remove the Power Cord from...

Page 74: ...old battery and install a new one rechargeable lead storage battery PXL 12050 12V 5Ah Check the orientation of the connectors see above illustration on the right and no deformation on the metal termin...

Page 75: ...ings for the instrument via PC Displaying the measured results as a graph and saving them in real time Software KEW Windows for KEW3128 Supplied CD ROM System Requirements OS Operation System Windows2...

Page 76: ...software followings shall be checked To prepare your system to install this software please close all open programs Be sure NOT to connect the instrument with USB until install is completed Installat...

Page 77: ...ommunication Function Supplied Software Read through and understand the License Agreement and check I accept Then click Next Enter the user information and specify the location to where install the so...

Page 78: ...78 KEW3128 8 Communication Function Supplied Software KEW3128 Confirm the information on install and click Install to start installing Click Finish when install completes...

Page 79: ...of KEW Windows for KEW3128 is followed by the installation of KEW Windows To install the KEW Windows for KEW3128 you can follow the same installation procedure described for KEW Windows If you need t...

Page 80: ...oftwareby 1 clickingtheicon for KEWWindows onthe desktop or 2 clicking Start Program KEW KEW Windows Then the KEW products which have been installed in the KEW Windows are listed up Select the KEW3128...

Page 81: ...ed to the Line Probe MODEL 8029 Tip metal Straight Type accessory How to replace the metal parts Turn the Line probe counterclockwise to remove the attached tip metal Put the tip metal you want to use...

Page 82: ...ic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classified as a Monitoring and Control instrumentation produ...

Page 83: ...KEW3128 83 KEW3128 MEMO...

Page 84: ...09 09 92 1997D DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations...

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