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Содержание IR4055

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Страница 3: ... Remote Switch Red 25 3 Measurement 27 3 1 Pre measurement Inspection 27 3 2 Auto Power Save Power Saving Function 28 3 3 Auto Backlight off Automatic Light off Function 28 3 4 Comparator Function 29 Setting the Comparator 30 Canceling the Comparator 31 3 5 Insulation Resistance Measurement 32 Lock Function 33 Measuring Insulation Resistance 34 Displaying 1 minute Values Model IR4057 IR4058 35 Vol...

Страница 4: ...Pairing the App 51 Making Measurements with the Bluetooth Function 52 4 Specifications 53 4 1 Standard Specifications 53 4 2 General Specifications 54 4 3 Measurement functions 57 4 4 PVΩ Measurement Model IR4055 63 4 5 External Interface Specifications Model IR4055 IR4058 64 5 Maintenance and Service 65 5 1 Troubleshooting 66 Error Displays and Remedies 70 Appendix Appx 1 Appx 1 Measurement Princ...

Страница 5: ...ing shipping In particular check the accessories panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your authorized Hioki distributor or reseller Confirm that these contents are provided Insulation Tester IR4055 IR4056 IR4057 IR4058 Instruction Manual LR6 Alkaline battery 4 Model L9787 Test Lead Only for the instruments with suffix ...

Страница 6: ...ル L4932 9207 10cap L4933 コンタクトピン L4935 ワニ口 L4936 バスバー 1 L4937 マグネットアダプタ L4934 小ワニグチマグネ付ストラップ L9207 10 DM4910 熱電対 DT4911TestLead DT4912TestLead L4930 接続ケーブル L4931renketu L4931 延長ケーブル L4932 9207 10cap L4933 コンタクトピン L4935 ワニ口 L4936 バスバー L9207 10 L4931renketu L4931 延長ケーブル L4932 9207 10cap L4933 コンタクトピン L4935 ワニ口 L4936 バスバー 7 Refer to p 1 Model Maximum rated voltage and maximum rated current 1 Model ...

Страница 7: ...eatures Before using the instrument be certain to carefully read the following safety notes DANGER Mishandling during use could result in injury or death as well as damage to the instrument Be certain that you understand the instructions and precautions in the manual before use WARNING Protective gear This instrument measures live lines To prevent electric shock use appropriate protective insulati...

Страница 8: ...that may result in death or serious injury to the operator CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury to the operator or damage to the instrument or malfunction Indicates a strong magnetic fi eld hazard The effects of the magnetic force can cause abnormal operation of heart pacemakers and or medical electronics Indicates prohibited actions Indic...

Страница 9: ...icates DC Direct Current Indicates AC Alternating Current Do not use in distribution systems with voltage higher than 660 V AC Symbols for various standards Indicates the Waste Electrical and Electronic Equipment Directive WEEE Directive in EU member states Indicates that the product conforms to regulations set out by the EU Directive Indicates that the product incorporates Bluetooth wireless tech...

Страница 10: ...igital measuring instrument i e the input value that causes the digital display to show a 1 as the least significant digit Trademarks Bluetooth is a registered trademark of Bluetooth SIG Inc USA The trademark is used by HIOKI E E CORPORATION under license Android and Google Play are trademarks of Google Inc IOS is a registered trademark of Cisco in the U S and other countries iPhone iPad iPad mini...

Страница 11: ...s instrument conforms to the safety requirements for CAT III 600 V measuring instruments CAT II When directly measuring the electrical outlet receptacles of the primary electrical circuits in equipment connected to an AC electrical outlet by a power cord portable tools household appliances etc CAT III When measuring the primary electrical circuits of heavy equipment fixed installations connected d...

Страница 12: ...ng test lead tip To avoid electric shock be careful to avoid shorting live lines with the test leads tip If the test lead or the instrument is damaged there is a risk of electric shock Perform the following inspection before using them Before using the instrument check that the coating of the test leads are neither ripped nor torn and that no metal parts are exposed Using the instrument under such...

Страница 13: ...switch Do not use the instrument with circuits that exceed its ratings or specifications Doing so may damage the instrument resulting in electric shock Use only the specified test leads Use of any test lead not specified by our company does not allow safe measurements To avoid electrical accidents remove power from the circuit before connecting the test leads To avoid electric shock do not exceed ...

Страница 14: ...sure of this device based on EN60529 is IP40 IP40 This indicates the degree of protection provided by the enclosure of the device against use in hazardous locations entry of solid foreign objects and the ingress of water 4 Protected against access to hazardous parts with wire measuring 1 0 mm in diameter 0 The equipment inside the enclosure is not protected against the harmful effects of water ...

Страница 15: ... heating systems such as high frequency induction heating systems and IH cooking equipment Susceptible to vibration Exposed to water oil chemicals or solvents Exposed to high humidity or condensation Exposed to high quantities of dust particles CAUTION Do not place the instrument on an unstable table or an inclined place Dropping or knocking down the instrument can cause injury or damage to the in...

Страница 16: ...porting and handling Be especially careful to avoid physical shock from dropping Test leads CAUTION Removable sleeves are attached to the metal pins at the end of the test leads To prevent a short circuit accident be sure to use the test leads with the sleeves attached when performing measurements in the CAT III measurement category Remove the sleeves before starting CAT II measurements You can us...

Страница 17: ... check with a tester due to judgment after the start of measurement being extremely short The backlight lights up in red for a FAIL judgment defective Low variation in measured values The instrument generates little variation in measured values when used in a typical measuring environment Easy to view display Backlight source is a white high intensity LED Wide viewing angle LCD High accuracy volta...

Страница 18: ...on resistance measurement 2 Earth terminal Connects the black test lead 3 Control terminal Controls model L9788 10 Test Lead with Remote Switch Red 4 Line terminal Connects the red test lead 5 Rotary switch Selects measurement functions 6 LIGHT key Turns on and off the light 7 0Ω ADJ key Performs zero adjustment for the low resistance range 8 Live circuit indicator Lights up when voltage remains b...

Страница 19: ... range to prevent erroneous application of the test signal IR4055 1 2 Other functions are the same as IR4056 IR4057 and IR4058 1 500 V 1000 V key Switches between 500 V and 1000 V when using PVΩ range 2 500 V 1000 V RELEASE key Press before measurement to set the instrument to the 500 V or 1000 V range to prevent erroneous application of the test signal Applied voltage is confirmed when PVΩ range ...

Страница 20: ... states Pull Press the right portion Release Description in this manual Turn on the MEASURE key Turn off the MEASURE key Convenient way for performing measurement repeatedly Power OFF Rotary switch state Description in this manual Turn off the rotary switch ...

Страница 21: ...um display value Blinks when the measured value is greater than the maximum display value Turns on when the measured value is retained Turns on when the comparator judgment is PASS good p 29 Turns on when the comparator judgment is FAIL defective p 29 Blinks when a dangerous voltage exists between the measurement terminals Judgment result buzzer only when comparator is set p 29 The auto power save...

Страница 22: ...rns on when the comparator function is enabled p 29 Turns on when the instrument is set to the 500 V range or the 1000 V range Pressing turns off the indicator and enables insulation measurement Displays Bluetooth function state Bluetooth function ON Turns on Bluetooth function OFF Turns off Bluetooth Communicating Blinks IR4056 Measured value or comparator reference value Other functions are the ...

Страница 23: ...reference value Other functions are the same as IR4056 IR4057 and IR4058 Turns on when PVΩ measurement mode is selected Turns on when selecting 500 V range in the PVΩ measurement mode Turns on when selecting 1000 V range in the PVΩ measurement mode 1 2 3 4 5 6 7 付録索引 ...

Страница 24: ...e instrument is turned ON while the L9788 10 is connected Refer to Attaching the L9788 92 Breaker Pin p 26 Sleeve 1 2 3 Plug Enlarged tip view 35 16 φ1 8 φ3 0 Unit mm 1 Light Lights up interlocked with the backlight of the instrument 2 MEASURE key Starts insulation resistance measurement Lights up in red interlocked with the live wire warning indicator of the instrument 3 Judgment display Lights u...

Страница 25: ...t If insecurely attached the instrument may fall and be damaged when carrying 1 Attach the strap Secure the strap at 4 positions 2 Insert the batteries p 22 3 Connect the test leads to the terminals Earth terminal Connect the black test lead Line terminal Connect the red test lead 1 3 4 5 6 7 付録索引 2 ...

Страница 26: ...Do not use fuses other than those specified especially do not use a fuse with higher rated current or do not short circuit and use the fuse holder Doing so may damage the instrument and result in bodily injury Fuse type FF0 5 AH 1000 V 70 172 40 0 500 SIBA GmbH Fast blow arc extinguishing material included and high breaking capacity The fuses can be purchased via authorized Hioki distributor or re...

Страница 27: ...ded expiry date Do not leave depleted batteries inside the instrument Replace batteries only with the specified type The operating temperature of the batteries included in the shipment is 10 C to 45 C 14 F to 113 F When using this device outside this temperature range use batteries that can support such a low or high temperature range The battery indicator blinks when the remaining battery capacit...

Страница 28: ...instrument Battery cover Fuse FF0 5 AH 1000 V 70 172 40 0 500 SIBA GmbH Batteries LR6 4 Check the polarity 2 Loosen the fastening screw at the rear of the instrument and remove the battery cover 3 Replace all four batteries or the fuse 4 Slide the battery cover back into place and tighten the screw ...

Страница 29: ... plug into the line terminal of the instrument OFF OK NO 3 Short the test lead tips each other 4 Set the rotary switch to insulation resistance range 5 Turn on the MEASURE key of the L9788 10 Check the red indicator of the MEASURE key of L9788 10 and display 0 MΩ interlocked with the live wire warning indicator of the instrument 0 MΩ 6 Press Check that the L9788 10 tip lamp lights up 1 3 4 5 6 7 付...

Страница 30: ... the new tip pin to the L9788 10 by rotating with a wrench Tightening torque 0 3 N m 4 Check the operation Measure a measuring object of known values and use after checking that the resistance is correct Attaching the L9788 92 Breaker Pin Remove the sleeve of the L9788 10 and attach the breaker pin Fully insert Model L9788 92 Breaker Pin Removing and attaching the test lead sleeves Safely store th...

Страница 31: ...insulation layer inside the cable exposed Exposed Do not use if damage is present as you could receive an electric shock Contact your authorized Hioki distributor or reseller for replacement Not Exposed 1 Set the rotary switch to insulation resistance range 2 Short the test lead tips 3 Is 0 MΩ displayed when the MEASURE key is turned on Not displayed The following issues may be occurring The test ...

Страница 32: ...nstrument while holding down Recovering from auto power save state Turn off the rotary switch and then turn on the power again 3 3 Auto Backlight off Automatic Light off Function The backlight of the instrument will automatically turn off after approx 3 minutes has passed since the last operation The automatic light off function can be canceled when working continuously in a dark location Cancelin...

Страница 33: ...d judgment FAIL defective judgment LED display Backlight No change Lights up in green Backlight Lights up in red Lights up in red When using the model L9788 10 Test Lead with Remote Switch Red Type of measurements that can be judged Function PASS judgment FAIL judgment State of measured value Buzzer Backlight Buzzer Insulation Resistance Criterion or higher Short beep Lights up in red Long beep Lo...

Страница 34: ... 4 5 10 20 250 V 0 1 0 2 0 3 0 4 0 5 1 1 2 3 4 5 10 20 30 40 50 500 V PVΩ 500 V 0 1 0 2 2 0 3 0 4 0 5 1 1 2 3 4 5 10 20 30 40 50 100 1000 V 3 PVΩ 1000 V 0 1 0 2 0 3 0 4 2 0 5 1 2 3 4 5 10 1 20 30 40 50 100 200 300 400 500 Ω 0 1 0 2 0 3 0 4 0 5 0 6 Ω 1 2 3 4 5 6 10 20 1 30 40 50 60 100 200 1 Factory default setting 2 Factory default setting when PVΩ function is selected 3 Reference values 0 1 to 0 ...

Страница 35: ...sistance value that will be used as the judgement reference is displayed IR4057 IR4058 COMP IR4055 IR4056 REF 4 4 Press or to select the judgement reference If you do nothing about 2 seconds after you select the judgment reference the comparator will be set and COMP or REF will light up Canceling the Comparator oFF Press several times to select oFF If you do nothing for about 2 seconds after you s...

Страница 36: ...d to the measurement terminals To avoid electric shock do not touch the test leads Do not touch the measuring object immediately after measurement Doing so may cause electric shock due to a highly charged voltage Discharge the measuring object with the discharge function of the instrument after a measurement p 37 Insulation resistance is the ratio of applied voltage to leakage current Displayed va...

Страница 37: ...rom being output even if the MEASURE key is pressed while the rotary switch is set to the 500 V 1000 V or PVΩ range Releasing the lock Turns on Blinks 1 or 1 Set the rotary switch to the 500 V 1000 V or PVΩ range Turns off 2 Turns off or 2 Press Pressing this key unlocks the instrument and switches to the measurement screen The screen is locked 1 minute after the last measurement or operation agai...

Страница 38: ...o 1000 V In the 500 V or 1000 V range press to release the lock p 33 Source primary side Load secondary side 6 3 4 5 ON 7 OFF OFF 3 Connect the black test lead to the ground side of the object being measured 4 Connect the red test lead to the measurement object If there is any remaining voltage on the measuring object red and white blink alternately on the backlight 5 Turn on the MEASURE key To ma...

Страница 39: ...on elapses during measurement in the 500 V and 1000 V ranges To continue measurement release the lock p 33 Displaying 1 minute Values Model IR4057 IR4058 This function automatically retains the measured value 1 minute value 1 minute after the start of measurement after the MEASURE key is turned on No value is shown if less than 1 minute has elapsed since the start of measurement Retained measured ...

Страница 40: ...t Voltage Characteristics of Measurement Terminals 1200 1000 800 600 400 200 100 0 0 0 1 0 25 0 5 1 10 100 1000 0 05 0 125 Resistance of measuring object MΩ Rated 1000 V Rated 500 V Rated 250 V Rated 125 V Rated 50 V Voltage generated V ...

Страница 41: ... panel is detected that may not be cleared OFF Without removing the test leads from the measurement object turn off the MEASURE key Discharging Turned on The built in discharge circuit automatically discharges the item In models IR4057 and IR4058 the bar graph level decreases according to discharge However measuring objects with smaller capacitance component discharge quickly and the bar graph lev...

Страница 42: ...key while measuring voltage Doing so could damage the circuitry or cause an accident that might result in injury or death During measuring do not switchover to other functions For waveforms other than sine waves some errors may occur Example When measuring the voltage between the circuit and ground 1 2 3 4 Earth Source primary side Line Do not turn on the MEASURE key Always connect the test lead t...

Страница 43: ...heck whether P and N are connected in reverse while measuring the open voltage of solar battery string 1 2 1 Set the rotary switch to V while pressing The and V blinks and ON or OFF is displayed 2 Press to switch between ON and OFF ON Factory setting When the voltage is 1 V or lower red and white of the backlight blinks alternately OFF Disabled If there is no operation for 2 seconds after ON or OF...

Страница 44: ...low resistance measurement See 3 4 Comparator Function p 29 For accurate measurements be sure to perform zero adjustment before measuring to cancel the wire resistance of the test leads Zero adjustment can be performed with readings of up to a maximum of 3 Ω When the reading exceeds 3 Ω Err 1 will be displayed and zero adjustment will not be possible Wire the instrument so that the wiring resistan...

Страница 45: ... to the Ω 2 Short circuit the tip of the test lead 3 Turn on the MEASURE key 4 Turn off the MEASURE key to retain the measured value 5 Press 6 6 Do not measure live wires 7 ON 8 OFF 6 Connect the test lead to the measurement object 7 Turn on the MEASURE key to check the displayed value 8 Turn off the MEASURE key after use 1 2 4 5 6 7 付録索引 3 ...

Страница 46: ...red by bringing the test leads into contact with them Arcs or such grave accidents are likely to occur WARNING Observe the following to avoid electric shock shortcircuit or damage to the instrument When measuring insulation resistance dangerous voltage is applied to the measurement terminals To avoid electric shock do not touch the test leads Check that the connection of the measurement terminals ...

Страница 47: ...s connection box and disconnector devices directly with bare hands Doing so may cause electric shocks due to the voltage of the generator Maximum rated voltage between terminals of the IR4055 is 1000 V DC 600 V AC Do not use the instrument for equipment with rated voltage over 1000 V DC or 600 V AC Doing so may cause electric shock or failure Use an insulation resistance range other than PVΩ to pe...

Страница 48: ...ry panel is high therefore the measured values may take some time to stabilize The PVΩ measurement function does not comply with EN61557 requirements To perform measurements in conformity with EN61557 select the insulation resistance range Accurate measurements are not possible when open voltage of the solar battery string is higher than the test voltage Use the PVΩ 500 V range for open voltage le...

Страница 49: ...gs 3 Disconnect lightning arresters from the measuring circuit Disconnection is not required for the figure solar generator facility shown below because a lightning arrester is not present at the string side of the disconnector device OFF 2 OFF 1 String Disconnector devices Main switch Lightning arrester Connection box Power Conditioner Example Solar generator facility Measurement preparation 2 2 ...

Страница 50: ...side of the disconnector device Power conditioner Main switch Disconnector devices N terminal Black 5 Ground terminal Red 6 P terminal String 5 Connect the black test lead to the ground terminal 6 Connect the red test lead to the terminal P of the string side If a voltage is detected between the P and the ground terminals the insulation may have deteriorated When there is a voltage on the measurin...

Страница 51: ...very second If there is any deteriorated insulation and the resistance is lower than the reference value do not measure the terminal N of procedure 10 Doing so may damage the solar battery panel Check the reference insulation resistance with safety regulations 9 Turn off the MEASURE key If the MEASURE key is on turn it off p 16 Discharge starts and the icon blinks The icon may not be cleared even ...

Страница 52: ...k test lead from the ground terminal 2 Reconnect the lightning arrester connection if disconnected 3 Turn on all the disconnector devices of the strings 4 Turn on the main switch of the connection box 1 minute after the last measurement or operation the turns on and the 500 V 1000 V RELEASE key blinks Press the key to release the lock ...

Страница 53: ...reports on mobile devices iPhone iPad iPad Mini iPad Pro iPod Touch and Android devices For more information about this functionality see the help function in the application software GENNECT Cross 1 Install the GENNECT Cross on your mobile device p 50 2 Enable the Bluetooth function on model IR4055 or IR4058 3 Launch the GENNECT Cross and pair it with model IR4055 or IR4058 p 51 4 Select the gene...

Страница 54: ...ay be subject to fines or other penalties as a violation of applicable laws or regulations For more information see the attached Precautions Concerning Use of Equipment That Emits Radio Waves or go to our website Model IR4055 and IR4058 availability are limited to certain countries For more information contact your authorized Hioki distributor or reseller Bluetooth communications range varies grea...

Страница 55: ...laying the connection setup screen simply move it close to model IR4055 or IR4058 to automatically pair it with the instrument the app can be paired with up to 8 instruments 4 Returns to the home screen Allow about 5 to 30 seconds for the instrument to pair with the app after being turned on If the instrument fails to pair within 1 minute relaunch GENNECT Cross and cycle the instrument s power Ins...

Страница 56: ...nt logging and waveform display to start a measurement For more information about each function see the help function in the GENNECT Cross The values displayed by the instrument may be different from the values displayed by the application software due to communication delays or differences in the update timing Standard measurement Measured values of multiple channels are saved ...

Страница 57: ...ns on when voltage is detected between the line terminal and the earth terminal Automatic electric discharge Automatically discharges the electric charge still present in the capacitance of the measuring object after the insulation resistance measurement Maximum capacitive load 5 μF Auto power save The power will go off automatically approx 10 minutes after the last operation Can be canceled using...

Страница 58: ... to 25 RH IR4055 0 C to 40 C 32 F to 104 F 90 RH or less no condensation 40 C to 50 C 104 F to 122 F at 50 C and below relative with linear decrease up to 50 RH Operating environment Indoors Pollution Degree 2 altitude up to 2000 m 6562 ft Nominal circuit voltage 600 V AC DC max The nominal circuit voltage refers to the nominal voltage of an electric distribution circuit that can be measured by th...

Страница 59: ...g time at 23 C as a referential Bluetooth OFF Approx 20 hours Comparator off backlight off measured with measurement terminal open at 500 V range Bluetooth ON Approx 10 hours Comparator off backlight off measured with measurement terminal open at 500 V range Drop proof On concrete 1 m Fuse Replacements FF0 5 AH 1000 V 70 172 40 0 500 SIBA GmbH Very fast blow arc extinguishing material included hig...

Страница 60: ... EMC EN61557 1 EN61557 2 EN61557 4 1 2 EN61557 10 2 JISC1302 Insulation resistance testers 3 1 Subclause 4 3 of Part 4 Interchanging of test leads is not applicable when model L9788 10 is used 2 Model IR4055 is not applicable 3 Model IR4055 only ...

Страница 61: ...MΩ 4000 MΩ Medium displayed value 2 MΩ 5 MΩ 10 MΩ 50 MΩ 100 MΩ 1st effective measuring range MΩ 0 200 to 10 00 0 200 to 25 0 0 200 to 50 0 0 200 to 500 0 200 to 1000 Accuracy Limit deviation tolerance 2 rdg 2 dgt Model IR4055 4 rdg 2nd effective measuring range MΩ 10 1 to 100 0 25 1 to 250 50 1 to 500 501 to 2000 1010 to 4000 Accuracy Limit deviation tolerance 5 rdg IR4055 8 rdg Other measuring ra...

Страница 62: ...0 00 MΩ 10 00 MΩ 10 00 MΩ 10 00 MΩ 10 00 MΩ Resolution 0 01 MΩ 0 01 MΩ 0 01 MΩ 0 01 MΩ 0 01 MΩ Display range 100 MΩ 100 MΩ 100 MΩ 100 MΩ 100 MΩ Maximum displayed value 100 0 MΩ 100 0 MΩ 100 0 MΩ 100 0 MΩ 100 0 MΩ Resolution 0 1 MΩ 0 1 MΩ 0 1 MΩ 0 1 MΩ 0 1 MΩ Display range 250 MΩ 500 MΩ 1000 MΩ 1000 MΩ Maximum displayed value 250 MΩ 500 MΩ 1000 MΩ 1000 MΩ Resolution 1 MΩ 1 MΩ 1 MΩ 1 MΩ Display rang...

Страница 63: ...e 8 rdg and within allowance 2 rdg 6 dgt Effect of magnetic field 2 4 rdg Effect of supply voltage E2 4 rdg and within allowance 8 rdg and within allowance 2 rdg 6 dgt and within allowance Effect of positioning E1 Not applicable Effect of temperature E3 is applicable to the operating temperature range other than 18 C to 28 C Rated measurement voltage DC 50 V 125 V 250 V 500 V 1000 V Possible numbe...

Страница 64: ...ed rated measurement voltage 0 05 MΩ 0 125 MΩ 0 25 MΩ 0 5 MΩ 1 MΩ Rated current 1 mA to 1 2 mA Short circuit current 1 2 mA or less Response time IR4057 IR4058 Within 0 6 sec IR4055 IR4056 Within 1 0 sec with resistance load Judgment time IR4057 IR4058 Within 0 3 sec IR4055 IR4056 Within 0 8 sec When switching from an open state to 10 times the default judgment reference value ...

Страница 65: ...er of measurements 200 times or more Overload protection 600 V AC 10 sec by fuse protection Zero adjustment range 0 Ω to 3 Ω Display update interval Within 1 sec Range configuration Display range Auto range Maximum displayed value Resolution Accuracy 2 after zero adjustment 10 Ω 10 00 Ω 0 01 Ω 0 to 0 19 Ω 3 dgt 0 20 Ω to 10 00 Ω 3 rdg 2 dgt 100 Ω 100 0 Ω 0 1 Ω 3 rdg 2 dgt 1000 Ω 1000 Ω 1 Ω 1 Displ...

Страница 66: ...0 V AC Voltage Measurement Input resistance 100 kΩ or more 50 Hz 60 Hz Frequency range 50 Hz 60 Hz Range configuration Display range Auto range Maximum displayed value Resolution Accuracy 420 V minimum displayed value 30 0 V 420 0 V 0 1 V 2 3 rdg 8 dgt ranges in excess of 600 V are outside the accuracy guarantee 600 V 750 V 1 V DC Voltage Measurement Input resistance 100 kΩ or more Range configura...

Страница 67: ... Accuracy 1 0 applicable to the operating temperature range other than 18 C to 28 C Effect of humidity Accuracy 1 0 and within allowance Effect of magnetic field Accuracy 0 5 Impact of positioning E1 Not applicable Effect of supply voltage E2 Accuracy 1 0 and within allowance Effect of superimposing DC voltage Within 10 Possible number of measurements 1000 times or more Overload protection 660 V A...

Страница 68: ...f a DMM with input impedance 10 MΩ is used to measure an open voltage the voltage is divided by 1 MΩ and 10 MΩ 4 5 External Interface Specifications Model IR4055 IR4058 Interface Bluetooth 4 0LE Antenna power Maximum 0 dBm 1 mW Communication distance 5 m line of sight Communication profile GATT Generic Attribute Profile Supported AndroidTM devices AndroidTM 4 3 or later Bluetooth low energy enable...

Страница 69: ...ibrated Precautions when transporting the instrument When transporting the instrument be sure to observe the following precautions To avoid damage to the instrument remove the batteries from the instrument Moreover be sure to pack in a double carton Damage that occurs during transportation is not covered by the warranty When sending the instrument for repair be sure to include details of the probl...

Страница 70: ...s Approx 500 V 1000 V and PVΩ 1000 V ranges Approx 1000 V Separate the measurement object from all sources of power before performing measurement During insulation resistance low resistance or PVΩ measurement the live circuit indicator and the display blinks in red and the buzzer sounds Does the voltage applied between the measurement terminals exceed the following values Insulation resistance PVΩ...

Страница 71: ...ion in a test lead Check the continuity of the test lead with a tester Are the test leads securely connected Check the connection between the test leads and the instrument and check the connection of the tips of the test leads The batteries run out immediately Are you using alkaline batteries Replace the batteries with alkaline batteries p 22 The power is not turning on Does the battery have suffi...

Страница 72: ...d value results each time the same measurement object is measured Is there any impact due to the material of the measuring object Allow an adequate amount of time about 1 hour to 1 day to pass after the first measurement before repeating measurement The effects of polarity 1 increase as the insulation resistance increases Is there any impact due to the temperature humidity characteristics of the m...

Страница 73: ...are affected when the resistance in the 1000 V range reaches or exceeds 100 MΩ Has the insulation of the test lead deteriorated Replace the deteriorated test lead with a new one The output voltage polarity is reversed The reversal is due to the characteristics of the insulation ohmmeter This does not represent a malfunction 1 Polarization A phenomenon whereby a substance s positive and negative el...

Страница 74: ... readings of up to 3 Ω Ensure that the wiring resistance is 3 Ω or less p 40 The specified fuse has not been installed Use only the specified type of fuse p 22 The settings data has been corrupted Repair is required The pre adjustment data has been corrupted The measurement circuit is broken Replace the batteries If there is no apparent improvement the instrument needs repair The voltage generatio...

Страница 75: ...object s resistance Rx is calculated by applying a current I to the measurement object measuring the voltage V that occurs between the measurement terminals as a result and dividing the voltage V by the current I 3 PVΩ measurement Model IR4055 The resistance Rx is calculated using the equation Applied voltage V Leakage current I by applying a voltage V to the measuring object and then measuring th...

Страница 76: ...ty influence quantity Operation range Variation Insulation resistance Low resistance A Intrinsic uncertainty Reference condition 5 rdg 3 rdg 2 dgt E2 Supply voltage 4 5 V to 6 8 V 4 rdg 3 rdg 2 dgt E3 Temperature 0 C to 35 C 4 rdg 3 rdg 2 dgt B Operation uncertainty 12 rdg 30 rdg Guaranteed range of operation uncertainty 1st effective measurement range 0 2 Ω to 2 Ω Influencing factor non applicabl...

Страница 77: ...earth leakage as shown in the following figure current being generated influences the insulation resistance meter resulting in inaccurate measurement with a normal insulation resistance meter PVΩ measurement mode of the IR4055 allows accurate measurements without the effect from power generation P N Connection box PV Earth leakage Earth PV current Insulation resistance meter current reading Measur...

Страница 78: ...Appx 4 Insulation Resistance Measurements for Solar Cell Array ...

Страница 79: ...16 01 EN ...

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