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4.2 Displaying PI and DAR

付録

索引

• The instrument automatically calculates and displays PI

(polarization index) and DAR (dielectric absorption ratio),

which are used as the criteria to determine the quality of

insulation.

Both measurements show a degree of change in insula-

tion resistance with time after a test voltage is applied.



Appendix 3 "Example of PI Criteria (Polarization Index)" (page 166)

• PI and DAR are calculated using the formulae below from

resistance values measured twice after a voltage is

applied. For PI, the measurement interval may be user-

set.



See 6.1 "Changing and Checking Interval Setting for PI Calculation"

(page 125).

4.2 Displaying PI and DAR

What is it used for?

Used to check whether insulation re-
sistance increases with time after a
voltage is applied.
(When the PI value or the DAR val-
ue is close to 1, the instrument de-
termines that the insulation of the
object under test is deteriorated.)

PI 10/1min

DAR 1min/15s =

DAR 1min/30s =

To determine DAR, press the

key to

turn off [

AVE

] on the screen before starting

measurement.

Resistance 10 min. after voltage application
Resistance 1 min. after voltage application

Resistance 1 min. after voltage application
Resistance 15 sec. after voltage application

Resistance 1 min. after voltage application
Resistance 30 sec. after voltage application

Содержание IR3455

Страница 1: ...EN IR3455 HIGH VOLTAGE INSULATION TESTER Instruction Manual Sept 2018 Revised edition 1 IR3455A961 01 18 09H...

Страница 2: ......

Страница 3: ...easurement Preparations 35 2 1 Supplying Power 35 2 1 1 Installing or Replacing the Battery 36 2 1 2 Installing the Battery Pack Rechargeable nickel hydrogen battery 39 2 1 3 Connecting the AC Adapter...

Страница 4: ...inal 77 3 3 Measuring Voltage 79 3 4 Measuring Temperature 82 3 4 1 Measurement Procedure 82 4 Advanced Measurement 85 4 1 Using Timer 85 4 1 1 Setting Timer Conducting Insulation Resistance Measureme...

Страница 5: ...rval Setting for PI Calculation 125 6 1 1 Changing Interval Setting 125 6 1 2 Checking Interval Setting 127 6 2 Changing and Checking Voltage Application Time for Step Voltage Test 128 6 2 1 Changing...

Страница 6: ...1 02 03 11 12 13 and 9751 01 02 03 ALLIGATOR CLIPs Specifications 153 8 Maintenance and Service 155 8 1 Troubleshooting 156 8 2 Cleaning 158 8 3 Error Display 158 8 4 Performing System Reset 160 8 5 D...

Страница 7: ...obe Reader are either trademarks or registered trademarks of Adobe Systems Incorporated in the United States and other countries Verifying Package Contents Open the case When you receive the instrumen...

Страница 8: ...Verifying Package Contents Open the case 2 Procedure 1 Draw the latch outwards with your fin ger 2 While raising the entire latch place a finger on the top of the latch and pull it out...

Страница 9: ...sion can be downloaded from our web site IR3455 HIGH VOLTAGE INSULATION TESTER 1 9750 01 02 03 TEST LEAD Red Black Blue Lead length Approx 3 m 1 each LR6 alkaline battery 6 Instruction Manual This boo...

Страница 10: ...specifications in regards to temperature characteristics See 7 2 Measurement Specifications page 147 9631 01 05 TEMPERATURE SENSOR Used for temperature measurement 9631 01 Lead length Approx 1 m 9631...

Страница 11: ...could result in injury or death as well as damage to the instrument Be certain that you under stand the instructions and precautions in the manual before use Protective gear This instrument measures...

Страница 12: ...pic in the Instruction Manual Indicates that dangerous voltage may be present at this terminal Indicates a double insulated device Indicates DC Direct Current Indicates AC Alternating Current Indicate...

Страница 13: ...age to the instrument or malfunction Indicates advisory items related to performance or cor rect operation of the instrument Indicates a high voltage hazard If a particular safety check is not perfor...

Страница 14: ...strument that lacks category labeling in a CAT II to CAT IV measurement environment Doing so could result in a serious accident CAT II Primary electrical circuits in equipment con nected to an AC elec...

Страница 15: ...d there is a risk of electric shock Perform the following inspection before using the instrument Before using the instrument check that the coating of the test leads are neither ripped nor torn and th...

Страница 16: ...an acci dent Avoid the following locations Exposed to direct sunlight or high tem perature Exposed to corrosive or combustible gases Exposed to a strong electromagnetic field or electrostatic charge...

Страница 17: ...environ ments containing ignitable gases explosive powders etc Risk of explo sion Do not place the instrument on an unstable table or an inclined place Dropping or knocking down the instru ment can c...

Страница 18: ...nd handling Be especially careful to avoid physical shock from dropping If the protective functions of the instrument are damaged either remove it from service or mark it clearly so that others do not...

Страница 19: ...manual means that measurement is not being performed and that no parameters are set This includes the state in which is on If the instrument is exposed to an abrupt large variation in temperature cond...

Страница 20: ...lt in a serious accident To avoid short circuit or electric shock do not touch the metal parts of the connecting cable clips To prevent electric shock when mea suring the voltage of a power line use o...

Страница 21: ...rature or high humidity Hioki is not liable for any issues your computer system experiences in the course of using this disc Electrical Units CD precautions Be sure to observe the following precau tio...

Страница 22: ...s occur during use or charging turn off and discon nect the instrument immediately Do not expose the instrument to water and do not use it in excessively humid locations or locations exposed to rain D...

Страница 23: ...when capacity is 60 or more of initial capacity is approximately 500 charge discharge cycles The life differs depending on the conditions of use To prevent battery pack deterioration when the battery...

Страница 24: ...Operating Precautions 18...

Страница 25: ...t e g commercial power supply 3 3 P 79 Temperature measurement To measure a temperature 3 4 P 82 Applied Timer To automatically end measurement after a predetermined time 4 1 P 85 Display PI and DAR v...

Страница 26: ...insula tion resistance of an object chang es according to test voltage applied 4 4 P 97 Memory To save the measurement data 5 P 105 PC Communica tion To create tables or graphs of the data saved in th...

Страница 27: ...on ratio step voltage testing and temperature compensation 4 Advanced Measurement page 85 Stores up to 100 manual records and 10 logging records The stored data may be displayed on the LCD or download...

Страница 28: ...The case is durable designed to withstand the toughest of working conditions com pact and highly portable The instrument can be powered by either alkaline or rechargeable nickel hydrogen batteries Se...

Страница 29: ...re measurement Flow of measurement Before starting measurement check the following The power supply method The power ON OFF method That date and time are set Connection of test leads temperature senso...

Страница 30: ...instrument 2 2 page 50 3 Connect the test leads into the and terminals of the instru ment and to the object to be tested 2 4 page 56 3 2 1 page 64 GUARD terminal Warning Confirm that the power supply...

Страница 31: ...rement Overview 1 2 3 4 5 6 7 8 9 10 11 25 4 Press the key and set the test voltage 3 2 1 page 64 5 Press the key to gener ate a voltage and start measure ment 3 2 1 page 64 6 Read the indication 3 2...

Страница 32: ...nt Overview 26 7 Press the key to stop voltage generation and measure ment 3 2 2 page 70 8 The automatic discharge function is activated 3 2 4 page 73 9 Measurement is terminated when the voltage fall...

Страница 33: ...10 11 27 Voltage Measurement 3 3 Measuring Voltage page 79 1 Connect the test leads into the and termi nals of the instrument and to the object to be tested 2 Read the indication terminal terminal GU...

Страница 34: ...after measurement is completed This data will be cleared if power is turned off To store the data use the memory function 1 Insert the temperature sensor into the tempera ture sensor terminal of the i...

Страница 35: ...1 4 Names and Functions of Parts 1 2 3 4 5 6 7 8 9 10 11 29 1 4 Names and Functions of Parts 1 2 3 LCD Slide the shutter Operating panel page 31 4 5 6 7 page 9 page 45 page 9 page 56 Front...

Страница 36: ...test leads are connected to the measurement terminals a safety feature 5 measurement terminal Connect the red test lead to this terminal 2 4 Connecting Test Lead page 56 6 measurement terminal Connec...

Страница 37: ...set test voltage 4 Used to make fine adjustments to test voltage Used to move the cursor to change units val ues etc Used to display the date and time Used to set the date and time 5 Used to make fine...

Страница 38: ...t and resistance on the LCD When the resistance value is held This key changes LCD display in the following sequence resistance current DAR 1 min 15s DAR 1 min 30s PI resistance current 10 Used to vie...

Страница 39: ...1 5 Screen Setup 1 2 3 4 5 6 7 8 9 10 11 33 3 3 Measuring Voltage page 79 3 4 Measuring Temperature page 82 1 5 Screen Setup All On Measuring Voltage Measured voltage Blinking Measuring Temperature...

Страница 40: ...lation Resistance Actual output voltage Blinking blinks if the input exceeds the measure ment range Elapsed time Insulation resistance The screen is switched over with the key Leakage Current Display...

Страница 41: ...nstalling or Replacing the Battery page 36 9459 BATTERY PACK Option See 2 1 2 Installing the Battery Pack Rechargeable nickel hydro gen battery page 39 and 2 1 4 Charging the Battery Pack page 47 9753...

Страница 42: ...before using the instrument Battery may explode if mistreated Do not short circuit recharge disassemble or dispose of in fire Handle and dispose of batteries in accordance with local regulations When...

Страница 43: ...all the test leads from the instrument See 2 2 Turning Power On and Off page 50 2 Loosen the set screw on the rear of the instrument and remove the battery cover 3 Place six LR6 alkaline batteries int...

Страница 44: ...r 38 4 Turn the battery selector switch to LR6 When the power is turned on Lr6 appears on the top left of the screen See 2 2 Turning Power On and Off page 50 5 Replace the battery cover and tighten th...

Страница 45: ...ccidents or damage related to the use of any other batteries To avoid heat buildup rupture or leak age of the battery do not use if dam aged wires are exposed or the battery instrument connector is da...

Страница 46: ...en 20 to 30 C to prevent deterioration Charge the battery at least every 2 months If the battery pack is left for a long period of time in a low state of charge its performance will be degraded When t...

Страница 47: ...Power 1 2 3 4 5 6 7 8 9 10 11 41 2 Loosen the set screw on the rear of the instrument and remove the battery cover 3 Connect the battery pack to the instru ment Align the protrusions Set screw Remove...

Страница 48: ...tery selector switch to 9459 When the power is turned on bP appears on the top left of the screen See 2 2 Turning Power On and Off page 50 6 Replace the battery cover and tighten the set screw Be care...

Страница 49: ...er and disconnect the test leads AC adapter and USB cable from the instrument See 2 2 Turning Power On and Off page 50 2 Loosen the set screw on the rear of the instrument and remove the battery cover...

Страница 50: ...he protrusions 5 Place the battery pack in the battery pack compartment 6 Turn the battery selector switch to 9459 When the power is turned on bP appears on the top left of the screen See 2 2 Turning...

Страница 51: ...ocedure Turn the instrument off before connect ing the AC adapter to the instrument and to AC power Use only the specified AC adapter AC adapter input voltage range is 100 V to 240 V AC at 50 Hz 60 Hz...

Страница 52: ...voltage matches the rated supply voltage of the AC adapter Insert the plug into the AC outlet When the AC adapter is connected to the instrument power is supplied from the AC adapter When both the bat...

Страница 53: ...ot be charged when test leads are connected to the instrument The battery pack will be charged regardless of the battery selector switch position Communication with a PC and temperature measurement ar...

Страница 54: ...el hydrogen battery page 39 2 Move the shutter to reveal the AC adapter terminal 3 Connect the AC adapter to the AC adapter terminal Rapid charging begins During rapid charg ing the battery status ind...

Страница 55: ...atus indictor changes from blinking to continuously lit After rapid charging finishes the battery is trickle charged maintained in a fully charged state If the AC adapter is connected to the instrumen...

Страница 56: ...turned off Press the key The screen is switched off and power is turned off 2 2 Turning Power On and Off Turning power On Indicates the position of the battery selector switch bP Using the Model 9459...

Страница 57: ...esistance measurement APS will start blinking around 30 sec onds before power is turned off Auto power off is re enabled upon turning power on again APS lights up When the AC adapter is connected to t...

Страница 58: ...e of the instrument Use the Gregorian calendar 2 3 1 Setting Date and Time Procedure 1 When the instrument is in a standby state press the key Year month and day appear 2 Hold down key for more than o...

Страница 59: ...ach other in the procedure below 4 Press to change the number Hold down for fast increase decrease 5 The entry is confirmed by pressing the key after which the display returns to the standby screen Th...

Страница 60: ...54 The date and time can be set on a PC using the data analysis software for model 3455 The data analysis software for model 3455 must be installed on the PC Details See 6 4 Communicating with PC pag...

Страница 61: ...3 4 5 6 7 8 9 10 11 55 2 3 2 Checking Date and Time Procedure 1 When the instrument is in the standby state press the key Year month and day appear 2 Press the key Hours minutes and seconds appear 3...

Страница 62: ...ents remove power from the circuit before connect ing the test leads To avoid electric shock never use the instrument if the shutter is broken Only use Hioki specified test leads with the instrument S...

Страница 63: ...ead to the terminal and the black test lead to the terminal For insulation resistance measurement connect the blue test lead to the GUARD terminal if necessary Check that the test leads are fully inse...

Страница 64: ...measurement begins auto matically 2 5 Connecting Temperature Sensor Temperature sensors may be damaged by high voltage or static electricity Do not expose the temperature sensor to excessive impact or...

Страница 65: ...put resis tance of 1 000 M or more and capable of measuring up to 5 5 kV DC Measurement 3 3 1 Pre Operation Inspection Before using the instrument make sure that the insulation on the test leads and c...

Страница 66: ...meter 3 Set the test voltage of the instrument to 5 00 kV See 3 2Measuring Insulation Resistance Proce dure 5 page 66 to page 66 4 Hold down key for more than one second to start insulation resistance...

Страница 67: ...70 9 Short circuit the tips of the clips of the red and black test leads of the instru ment 10 Press the key to see if the test volt age setting is 5 00 kV 11 Hold down the key for more than one secon...

Страница 68: ...strument before connecting test leads to it Table 1 Check item Result Action Are the mark and key lamp off Off Connect test leads to the in strument and check C above If safe to proceed connect the te...

Страница 69: ...ned off during measurement even if the key is not pressed for instance due to battery consumption In such case the automatic discharge function may not operate Discharge the object under test using a...

Страница 70: ...3 2 Measuring Insulation Resistance 64 3 2 1 Starting Measurement Procedure 1 Connect the alligator clip to the end of each test lead Insert it fully 2 Move the shutter to reveal the and terminals...

Страница 71: ...nsert the test leads See 3 2 7 Use of GUARD Terminal page 77 4 Clip the alligator clip at the end of each test lead to the object under test GUARD terminal Warning Confirm that the power supply to the...

Страница 72: ...kV using the keys 7 Pressing keys you can make fine adjustment of the test voltage setting 8 Press the key to set the test voltage The voltage indication will change from blinking to continuous This t...

Страница 73: ...ld and the indication changes from the set voltage to the actual output voltage A voltage approximately 5 higher than the set level is output To view the set voltage during measurement press the key T...

Страница 74: ...t leads to contact each other or place objects on test leads to avoid mea surement errors and malfunctions Be sure to clean test leads after use If test leads are soiled they may deteriorate Insulatio...

Страница 75: ...al measurement temperature is shown as An error massage is displayed If the indication is unstable the average of the measurement is shown Pressing the key toggles AVE on off While AVE is on display u...

Страница 76: ...t measurement is held lights up 2 Immediately after measurement has been completed the discharge circuit in the instrument automatically discharges the electric charge remaining in the object under te...

Страница 77: ...ck the set test voltage before resuming measurement If the key is pressed during measurement automatic discharge is performed before power is turned off If the battery runs low during measure ment the...

Страница 78: ...ble below to switch the indication To clear the data press the key for more than one sec ond Temperature humidity data will not be cleared Checking Held Data Data indications to be switched Keys used...

Страница 79: ...the internal circuit after measurement Make sure that the test leads are connected to the measured object when pressing the key to stop measure ment Discharging stops when the residual voltage falls b...

Страница 80: ...the order resistance current PI resistance etc Every time key is pressed the indi cation changes in the order resistance current resistance current etc During measurement Blinking Elapsed time Actual...

Страница 81: ...urement Basis When a high DC voltage is applied to an object under test a leakage current flows The insulation resistance instrument measures the applied voltage V and the combined leakage current I a...

Страница 82: ...CA as shown in the dia gram The electric charge level in CA differs at the start of previous measurement and at the start of next measurement and thus absorption current IA differs too Further the co...

Страница 83: ...cable as shown in the diagram above wind a bare conductor around the surface of the insulat ing material and connect the conductor to the GUARD terminal This prevents the leakage current on the surfac...

Страница 84: ...tween core and metallic shielding layer Rs Insulation resistance of the sheath of the high voltage cable Between metallic shielding layer and ground Rn Insulation resistance between insulator or high...

Страница 85: ...Maximum rated voltage to ground 1 000 V AC CAT III 600 V AC CAT IV Do not conduct measurement exceeding these voltages to ground Maximum input voltage 750 V AC 1 000 V DC Do not conduct measurement e...

Страница 86: ...the ends of test leads Insert it fully 2 Move the shutter to reveal the and terminals 3 Connect the red test lead to the termi nal and the black test lead to the termi nal Fully insert the test leads...

Страница 87: ...2 3 4 5 6 7 8 9 10 11 81 4 Clip the ends of the test leads to the cir cuit to be tested When the voltage exceeds 50 V the mark and key lamp blink 5 Read the voltage indication The key is not used Mea...

Страница 88: ...perature Do not attempt to measure the tempera ture of objects carrying a voltage Doing so will result in a short circuit accident or an electrocution accident Temperature sensors may be damaged by hi...

Страница 89: ...temperature indication 4 Press key or disconnect the tem perature sensor to stop measurement lights up and the last mea surement is held Detailing the above display See 6 3 2 Clearing Indications of...

Страница 90: ...ment To dis play the held temperature instead of the elapsed time press the key The temperature will blink Held measurement values are cleared when power is turned off To save the data use the memory...

Страница 91: ...en setting over 1 minute time increments or decrements in minutes 4 1 1 Setting Timer Conducting Insulation Resistance Measurement Procedure 1 When the instrument is in a standby state press the key T...

Страница 92: ...han one second generates a test voltage and measurement begins At the bottom of the screen remaining time to completion of measurement is displayed 5 After the set time has elapsed the instrument auto...

Страница 93: ...ure 1 When the instrument is in a standby state press the key The time indication will blink 2 Press the key to select min s min s is also selected by pressing the key 3 Press the key to confirm the e...

Страница 94: ...1 Using Timer 88 Procedure 1 When the instrument is in a standby state press the key The currently set time blinks Check the time 2 Press the or key to return to the previous screen Checking set time...

Страница 95: ...may be user set See 6 1 Changing and Checking Interval Setting for PI Calculation page 125 4 2 Displaying PI and DAR What is it used for Used to check whether insulation re sistance increases with tim...

Страница 96: ...a default time setting To determine DAR continue measurement for one minute 2 Stop measurement 3 Press the key several times to display PI DAR 1 min 15 s or DAR 1 min 30 s Every time the key is presse...

Страница 97: ...ltage test mode PI or DAR cannot be displayed DAR PI Resistance Right 1st measurement Left 2nd measurement Right 1st Left 2nd 1st 1 min 2nd 10 min Measurement Resistance Right 1st 30 G Left 2nd 60 G S...

Страница 98: ...ks regard the PI or DAR value as a reference Per form measurement again The table below shows special indications for PI and DAR Blinking resistance indication on PI or DAR display screen PI DAR Condi...

Страница 99: ...ee Appendix 4 Temperature Compensation Table page 167 4 3 1 Performing Temperature Compensa tion Procedure 1 Measure temperature and insulation resistance The measurements are held upon completion Eit...

Страница 100: ...om 0 to 9 using the key 4 Press the key to confirm the choice of table No The reference temperature blinks 5 Adjust the reference temperature using the key If the keys are held down simultaneously the...

Страница 101: ...igital value Value after compensation Actual Measurement Temperature Reference Temperature If the resistance before compensation exceeds the measurement range it cannot be converted and the LCD displa...

Страница 102: ...esistance measured by the step voltage test cannot be converted using temperature compensation In temperature compensation mode leakage current may be displayed by pressing the key but it cannot be co...

Страница 103: ...Insulation Resistance of Rotating Machinery The test voltage is increased in 5 steps at regular intervals during insulation resis tance measurement The resistance mea surement and the current measure...

Страница 104: ...nnot be varied for each step 4 4 1 Setting and Conducting a Step Voltage Test Procedure 1 Press the key in standby state and the voltage indication will blink 2 Press the key to choose STEP2 50 kVSET...

Страница 105: ...t enters the step volt age test mode 4 To start the step voltage test hold down the key for more than one second The mark and the key start blinking and insulation resistance or leakage current appear...

Страница 106: ...measurement While TC is on temperature compensa tion mode STEP cannot be selected Press the key to turn off the TC indicator To view the set voltage during measure ment press the key The set voltage...

Страница 107: ...e 1 When the instrument is in standby state after step voltage test press the key will blink and the LCD displays the details of the step voltage test data The first page shows the data at the test vo...

Страница 108: ...the detailed data screen the indica tor changes from blinking to continu ously lit and the LCD returns to the standby screen Indications to be switched Keys used Voltages and data at 5 steps key Insul...

Страница 109: ...y in standby state and the voltage indication will blink 2 To turn off the STEP indicator press the key several times 3 Press the key The voltage indication changes from blinking to constantly lit The...

Страница 110: ...4 4 Step Voltage Test 104...

Страница 111: ...he LCD of the instrument The entire record is viewable on a PC using the PC software See 6 4 Communicating with PC page 136 Add data No to data to record The data No serves as the address in the memor...

Страница 112: ...end of resistance measurement elapsed time temperature humidity test voltage set value actual output voltage resis tance last Reference temperature Resistance after compensation and table No Step volt...

Страница 113: ...ding are divided into 10 groups 10 records per group thus up to 100 records can be stored There are three types of data standard measurement data temperature compen sation data and step voltage test d...

Страница 114: ...t number among the available data numbers appears Temperature only or temperature and humidity may be stored as a manual record The instrument however has to be in the standard measurement mode both S...

Страница 115: ...ndicated for a data No data is already recorded under the number In manual recording data can be overwritten If is not pressed and the key is pressed the LCD returns to the previous screen without rec...

Страница 116: ...or OFF When setting to more than 1 minute the time increments or decrements by 1 minute w Recording interval Maximum number of loggings Maximum recording time 15 sec 360 times 90 min 30 sec 360 times...

Страница 117: ...No See Setting Data No page 112 Set Recording interval See Setting Recording Interval page 114 Set timer See Setting Timer page 114 Start measurement See Measuring page 115 Stop measurement See Measur...

Страница 118: ...d then per form the operation below Procedure 1 Press the key in standby state MEMO No lights up and the available No next to the last stored No blinks Exiting Setup Screen or Logging Recording Mode S...

Страница 119: ...are already held if the key is pressed the data number of another group appears Example n0 P0 Lr0 A0 b0 3 Press the key Data No Lr changes to continuously lit and time blinks If is indicated for a dat...

Страница 120: ...ording interval 5 Press the key 6 The time changes from blinking to con tinuous and the instrument enters the logging recording mode 7 Set the timer Selectable time 30 sec to 30 min or OFF Press the k...

Страница 121: ...key The instrument returns to the standby state in which logging recording is avail able Procedure 10 Start insulation resistance measurement See 3 2 Measuring Insulation Resistance page 62 to 78 The...

Страница 122: ...y This may be omitted Temperature and humidity measured with external thermometer and hygrometer may be entered by key operation See 3 4 Measuring Temperature page 82 See 6 3 Entering Temperature and...

Страница 123: ...6 7 8 9 10 11 117 Procedure 13 Press the key after which MEMO No will blink then extinguish The logging data has been stored in the memory Recording the Data in Memory Temperature voltage and leakage...

Страница 124: ...ge 136 Procedure 1 Press the key in standby state MEMO No must be off READ No lights up and data No and data blink 2 Press the key to choose the No of the data you wish to view The data stored under t...

Страница 125: ...TC is on Temperature compensa tion data When STEP is on Step voltage test data Standard Measurement Data Indications to be switched Keys used key Elapsed time Temperature humidity key Date of measure...

Страница 126: ...5 00 kVSET 5 25 kV Automatic switching key The leakage current and the bar graph displayed as temperature compensation data are those before compensation Insulation resistance after compensation Leak...

Страница 127: ...first showing data of the last step Press the keys shown in the table below to switch the indi cation Step Voltage Test Data Screen Content of screen Identification of screen Representative data Data...

Страница 128: ...y Insulation resistance Leakage current key Elapsed time to each step Temperature humidity key Date of measurement Measurement time Data key Go to the representative data screen key Return to the stan...

Страница 129: ...ection Procedure 1 Press the key in standby state 2 Press the key to display the num ber of the data to delete 3 Press the key CLr appears 4 After pressing the key CLr blinks and the data is deleted 5...

Страница 130: ...ging records simulta neously Procedure 1 Press the key in a standby state 2 Press the key twice ALL CLr appears 3 Press the key and ALL CLr blinks and all the data are deleted If the key is pressed wi...

Страница 131: ...user set intervals Selectable range 1 min to 30 min Default t1 1 min t2 10 min 6 1 1 Changing Interval Setting Procedure 1 Press the key several times while in standby state to display PI 2 Press the...

Страница 132: ...data analysis software for 3455 The data analysis software for 3455 must be installed on the PC Details See 6 4 Communicating with PC page 136 When the intervals are not at their defaults 10 1 min is...

Страница 133: ...al Setting Procedure 1 Press the key several times while in standby state to display PI 2 Press the key The setting of the first interval t1 will blink Check the setting 3 Press the key The setting of...

Страница 134: ...e for a voltage step not the total application time for 5 steps 6 2 1 Changing Time Setting Procedure 1 Press the key while in standby state and the voltage indication will blink 2 Press the key to ch...

Страница 135: ...5 6 7 8 9 10 11 129 3 Press the key The voltage indication changes from blinking to continuously lit and the instrument enters the step voltage test mode 4 Press the key STEP and the time will blink 5...

Страница 136: ...ta analysis software for 3455 The data analysis software for 3455 must be installed on the PC Details See 6 4 Communicating with PC page 136 6 2 2 Checking Time Setting Procedure 1 Press the key while...

Страница 137: ...data After entering temperature and humidity record them using the memory function Details of memory function Details of memory function See 5 Recording Measurement Data Memory Function page 105 Input...

Страница 138: ...ving Procedure 1 Press the key in standby state The temperature will blink 2 Enter temperature using the keys keys Move the cursor keys Raise and lower 3 Press the key The humidity will blink When TC...

Страница 139: ...y values Even if humidity is held when the temperature sensor is connected the humidity is not displayed When resistance and current values are still in memory or when the instrument is in the step vo...

Страница 140: ...in the memory Procedure 6 Press the key 7 Press the keys to choose a data No 8 Press the key MEMO No will blink and the data is recorded Saving Temperature and Humidity Data When only temperature and...

Страница 141: ...If a temperature sensor is connected to the instrument disconnect the sensor 2 Press the key while in the standby state The temperature will blink 3 Press the key The temperature is indicated as C 4...

Страница 142: ...the instrument on a PC Saves the data CSV format Copies and pastes the graph Saves the report in RTF format non Windows8 Windows 10 compliant Date and time PI Interval Voltage application time for st...

Страница 143: ...55 on the PC Procedure 1 Insert the CD into the CD ROM drive 2 Run the X English Data_Analysis_ Software_for_3455Eng exe X represents the letter of the CD ROM drive and may differ from computer to com...

Страница 144: ...e displayed because it would not qualify for the Cer tified for Windows logos but ignore it and continue the installation 4 After installation is completed the instru ment will automatically be recogn...

Страница 145: ...2 Connect the USB Cable to the USB ter minal 3 Click the Start button and choose Programs HIOKI 3455 Data Analysis Software for 3455 English Operation See the help function or the user s manual of the...

Страница 146: ...ual One IR3455 unit is connected to one PC Do not disconnect the USB Cable during data transmission to avoid transmission errors About the Data Analysis Software for 3455 User s Manual The user s manu...

Страница 147: ...ery pack 20 C to 30 C less than 80 RH no condensation Guaranteed accuracy period 1 year Operating environment Indoors Pollution degree 2 Up to 2000 m 6562 ft ASL Measuring method DC voltage applicatio...

Страница 148: ...Hz Output rating 12 VDC Maximumrated power 15 VA when AC adapter is used 6 VA when battery or battery pack is used Life of back up battery Approx 10 years reference data at 23 C Continuous operating...

Страница 149: ...LIP Red 1 9751 02 ALLIGATOR CLIP Black 1 9751 03 ALLIGATOR CLIP Blue for GUARD 1 Instruction Manual 1 AA alkaline battery LR6 6 USB Cable 1 CD Data Analysis Software for 3455 1 Options 9631 01 TEMPERA...

Страница 150: ...n software Data Analysis Software for 3455 PC application software Transmits data in memory from the instrument to PC Edits the instrument settings on PC Features report function Specifications of Mod...

Страница 151: ...function Enabled for insulation resistance leak age current measurement Clock function Displays year month day hours min utes and seconds auto calendar auto matic leap year correction 24 hour clock a...

Страница 152: ...onal Functions LCD backlight function Auto power off function Buzzer function Communications function Battery pack charge function Charges the 9459 BATTERY PACK using the AC adapter Rapid charging tim...

Страница 153: ...tance equal to or higher than the result of division of test voltage set value by rated measuring current Short circuit current 2 mA or less Output voltage monitor function Display range 0 V to 999 V...

Страница 154: ...tage setting Measuring range 250 V 0 00 M to 500 G 500 V 0 00 M to 1 00 T 1 kV 0 00 M to 2 00 T 2 5 kV 0 00 M to 5 00 T 5 kV 0 00 M to 10 0 T Resistance range name Measuring range 10 M range 0 00 M to...

Страница 155: ...et value by 100 nA 5 rdg 5dgt Greater than the resistance calculated by dividing the test voltage setting value by 100 nA less than or equal to the resistance calculated by dividing the test voltage s...

Страница 156: ...r more is not guaranteed with an ambient temperature outside the range of 0 C to 28 C Response time Within 15 sec This is the period of time after measurement has started until the displayed value fal...

Страница 157: ...ividing the test voltage set value by 500 G with an ambient temperature outside the range of 0 C to 28 C Response time Within 15 sec This is the period of time after measurement has started until the...

Страница 158: ...surement accuracy 10 0 C to 0 1 C 1 5 C 0 0 C to 40 0 C 1 0 C 40 1 C to 70 0 C 1 5 C Measurement Range Accuracy Temperature characteristics Measurement accuracy 0 5 is added to the measurement accurac...

Страница 159: ...dity 10 C to 50 C 14 F to 122 F less than 80 RH no condensation Operating environment Indoors Pollution degree 2 Up to 2000 m 6562 ft ASL Storage temperature and humidity 10 C to 50 C 14 F to 122 F le...

Страница 160: ...7 3 9750 01 02 03 11 12 13 and 9751 01 02 03 ALLI GATOR CLIPs Specifications 154...

Страница 161: ...e it with a new battery pack Do not replace the lithium battery This will void the guarantee Shipment When transporting the instrument be sure to observe the following precautions To avoid damage to t...

Страница 162: ...arged Charge the battery pack 2 1 4 P 47 Is the battery selector switch in the correct position Check the position of the battery selec tor switch 2 1 1 P 36 2 1 2 P 39 Battery pack is not charged Is...

Страница 163: ...intemperature compensation mode Have you mea sured tempera ture first Measure tem perature before resis tance 4 3 P 93 The instrument cannot communicate with the PC Is the USB cable connec tor insert...

Страница 164: ...Details Action rEC Err Data stored in the memory is corrupted or missing Delete the data rEC Full Memory data are stored under all the data numbers and there is no vacant No Delete or replace data n0...

Страница 165: ...during dis charging after mea surement but this does not indicate a malfunc tion Err03 Voltage measurement error has occurred Err04 Current measurement error has occurred Err05 Temperature measuremen...

Страница 166: ...tem reset is complete The table below shows the default settings 8 4 Performing System Reset Setting Items Settings Resistance current Resistance Test voltage 250 V Timer OFF PI interval t1 1 min t2 1...

Страница 167: ...with local regulations 8 5 Discarding the Instrument To avoid electric shock or malfunction of the instrument do not attempt to use the instrument again by installing a new lithium battery Keep batte...

Страница 168: ...urn off power to the instrument and remove the AA batteries and battery pack See 2 1 1 Installing or Replacing the Battery page 36 and 2 1 2 Installing the Battery Pack Rechargeable nickel hydrogen ba...

Страница 169: ...Discarding the Instrument 1 2 3 4 5 6 7 8 9 10 11 163 3 Remove the screw and pin holding the two printed circuit boards and remove them The PCB nearest the LCD should not be removed Remove Lithium Bat...

Страница 170: ...rument 164 4 The battery is located on the remaining PCB as shown in the illustration on the previous page Insert tweezers or other similar pointed tool between the battery and the battery holder Rais...

Страница 171: ...endix 1 Test Voltage Characteristic Graph 1 2 3 4 5 6 7 8 9 10 11 165 Appendix Appendix 1 Test Voltage Characteristic Graph Measurement resistance Output voltage V Measurement resistance Output voltag...

Страница 172: ...wn in the table below for insulation resistance testing of a motor Appendix 2 Example of Insulation Resistance Criteria Part of cable Measurement voltage V Insulation resistance M Judgment Insulator 5...

Страница 173: ...Reference DL T596 1996 Power installation preventive mainte nance code Chinese Appendix 4 Temperature Compen sation Table Object under test Oil impregnated power transformer Selectable reference temp...

Страница 174: ...rence temperature range 5 to 75 C default 20 C Convertible range of actual temperature used for measurement 5 0 to 70 0 C Compensation formula Converted to a resistance value at the reference temperat...

Страница 175: ...Selectable reference temperature range 5 to 100 C default 20 C Convertible range of actual temperature used for measurement 5 0 to 70 0 C Compensation formula Converted to a resistance value at the re...

Страница 176: ...ed for measurement The selectable ranges are as shown above Compensation formula Converted to a resistance value at the reference temperature using the formula below and result displayed Use the coeff...

Страница 177: ...042 0 38 0 27 0 34 1 0 16 0 048 0 25 0 40 0 28 0 35 2 0 18 0 054 0 26 0 42 0 29 0 38 3 0 20 0 070 0 27 0 44 0 31 0 40 4 0 22 0 077 0 28 0 46 0 33 0 42 5 0 24 0 091 0 29 0 48 0 36 0 44 6 0 26 0 109 0...

Страница 178: ...0 1 77 2 57 1 77 30 2 09 4 27 4 10 1 90 2 86 1 89 31 2 25 4 92 4 45 2 03 3 18 2 00 32 2 42 5 60 5 20 2 17 3 53 2 15 33 2 60 6 45 5 80 2 32 3 91 2 32 34 2 79 7 42 7 60 2 47 4 33 2 50 35 2 95 8 45 8 28...

Страница 179: ...ture range 20 to 60 C Default 40 C Convertible range of actual temperature used for measurement 20 to 60 C Compensation formula Converted to a resistance value at the reference temperature using the f...

Страница 180: ...Appendix 4 Temperature Compensation Table 174...

Страница 181: ...1 2 3 4 5 6 7 8 9 10 11...

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