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Precise Measurement for Earth Resistance

(Precise Measurement Method, 3-pole Method)

Stowing

Cover of the

measurement

terminals

Press the

Power

button to turn it

off.

Remove the measurement

cables from the measurement

terminals and fit the cover of the

measurement terminals.

Remove the measurement cables

from the auxiliary earthing rods

and pull out the auxiliary earthing

rods without bending them.

(See p. 61 for how to pull out.)

Rewind the measurement cables

(red, yellow) with the respective

winders and stow the winders in

the carrying case with the auxiliary

earthing rods inserted into the

winder's holders.

Remove the measurement cable

(black) from the earthing electrode

and fold it, and then stow it into

the carrying case. (p. 24)

IMPORTANT

Always fit the cover of the measurement terminals immediately

after use. Any foreign object entering the measurement terminal

may cause a failure.

HIOKI FT6031B961-00

Содержание FT6031-50

Страница 1: ...EN FT6031 50 EARTH TESTER Instruction Manual July 2020 Edition 1 FT6031B961 00 20 07H EN FT6031 50 EARTH TESTER Instruction Manual July 2020 Edition 1 FT6031B961 00 20 07H HIOKI FT6031B961 00...

Страница 2: ...HIOKI FT6031B961 00...

Страница 3: ...Use Carrying Case 24 2 Preparing for Measurement 25 2 1 Attaching Removing Protector 25 2 2 Inserting Replacing Batteries 26 Procedure 28 2 3 Connecting the Z3210 Wireless Adapter Option 29 Procedure...

Страница 4: ...djustment 54 Connecting test leads 55 Measuring earth resistance 57 Stowing 57 3 6 Cautions and Tips for Measurement 58 Distance between earthing electrodes 58 Location to install auxiliary earthing r...

Страница 5: ...aintenance and Service 77 5 1 Repair Inspection and Cleaning 77 5 2 Troubleshooting 79 5 3 Error Display 83 6 Appendix 85 6 1 Earth Resistance 85 6 2 Measurement Principle 87 Warranty Certificate HIOK...

Страница 6: ...iv Contents HIOKI FT6031B961 00...

Страница 7: ...reference Carefully read the separate document entitled Operating Precautions before use Intended audience This manual has been written for use by individuals who use the instrument or provide informa...

Страница 8: ...tor CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury to the operator or damage to the instrument or malfunction IMPORTANT Indicates information or conten...

Страница 9: ...a double insulated device Indicates DC Direct Current Indicates AC Alternating Current Indicates the power button that switches the instrument between on and off states Symbols for various standards I...

Страница 10: ...lues of reading errors are expressed in percent of reading of reading rdg Full scale Maximum displayable value Refers to the maximum displayable value of each measurement range The instrument has meas...

Страница 11: ...en damaged or does not work as specified contact your authorized Hioki distributor or reseller Check the package contents as follows FT6031 50 Accessories L9840 Auxiliary Earthing Rod 2 piece set 1 L9...

Страница 12: ...inless SUS304 L9841 Measurement Cable for precision measurement method alligator clip black 4 m L9842 11 Measurement Cable for precision measurement method yellow 10 m equipped with winder L9842 22 Me...

Страница 13: ...ng the instrument DANGER Mishandling during use could result in injury or death as well as damage to the instrument Familiarize yourself with the instructions and precautions in this manual before use...

Страница 14: ...an cause a severe accident Do not use a measuring instrument without a measurement category rating for measurements on a mains circuit Failure to observe this can cause a severe accident This instrume...

Страница 15: ...fixed installation and equipment for industrial use and some other equipment such as stationary motors with permanent connection to the fixed installation Measurement category IV CAT IV Applicable to...

Страница 16: ...ent in use Verifying before usage DANGER If the test lead or the instrument is damaged there is a risk of an electric shock Perform the following inspection before use Check that the insulation of the...

Страница 17: ...tems 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 h...

Страница 18: ...n hazardous locations entry of solid foreign objects and the ingress of water 6 Protected against access to hazardous parts with wire measuring 1 0 mm in diameter Dust proof type Dust shall not penetr...

Страница 19: ...ARNING If the instrument is used in locations where the rating indicated on the instrument or cords is exceeded the instrument may be damaged resulting in personal injury Do not use the instrument in...

Страница 20: ...14 Usage Notes HIOKI FT6031B961 00...

Страница 21: ...method and simplified measurement 2 pole method Features High accuracy The accuracy of the 200 0 range is 1 5 rdg 4 dgt Auto range and auto check for auxiliary earthing electrode The measurement is p...

Страница 22: ...pth of 1 m for 30 minutes Supplied with winders The instrument is supplied with useful winders so that it can be easily prepared and packed up before after measurement Drop proof when equipped with a...

Страница 23: ...he yellow cable H C Connected with the red cable Display p 22 Protector Removed when replacing the batteries or attaching the Z3210 p 25 p 28 p 30 Cover of the measurement terminals p 48 Operation but...

Страница 24: ...its The first two from the left indicate the year of manufacture and the next two indicate the month of manufacture Battery cover Removed when replacing the batteries or attaching the Z3210 p 28 p 30...

Страница 25: ...19 Part Names and Functions Operation buttons 1 2 3 4 6 7 5 HIOKI FT6031B961 00...

Страница 26: ...nt on off Press and hold for at least 1 s 4 Power button Power on off 5 Live wire warning LED For 3 pole method Blinks under any of the following conditions A voltage of 30 V or higher is applied betw...

Страница 27: ...21 Part Names and Functions 7 0 ADJ button Sets cancels zero adjustment setting Press and hold for at least 1 s p 40 p 53 With Z3210 installed HIOKI FT6031B961 00...

Страница 28: ...ntinuous measurement function is enabled 5 3 pole method p 38 2 pole method p 51 Zero adjustment p 40 p 54 6 COMP Appears when comparator setting is enabled p 36 7 Indicates that the measured value i...

Страница 29: ...e resistance of each auxiliary earthing electrode is high or a measurement cable is not connected Earth resistance of earthing electrode Earth resistance of auxiliary earthing electrode S Earth resist...

Страница 30: ...the figure below Please do not store commercially available pegs in this carrying case as those have sharp tips It may damage the case Please do not wash the carrying case Measurement cable Black Ins...

Страница 31: ...lt the instrument and slide it into the protector and then push the entire instrument into the protector Removing the protector Hold it with both hands and push the one end of the protector down IMPOR...

Страница 32: ...y explode if mistreated Do not short circuit disassemble the batteries or dispose of them in fire Do not recharge alkaline batteries Handle and dispose of batteries in accordance with local regulation...

Страница 33: ...e batteries After use always turn off the instrument Although rechargeable batteries nickel hydride can be used for measurement the battery level indicator will not be accurately displayed When replac...

Страница 34: ...rotector p 25 3 Unscrew the screws of the battery cover with a Phillips head screwdriver 4 Remove the battery cover Do not remove the waterproof seal from the battery cover p 18 5 When replacing the b...

Страница 35: ...hock turn off the instrument and disconnect the measurement cables or test leads before replacing batteries After connecting the Z3210 reattach the cover screws and put on the protector before using t...

Страница 36: ...or p 25 3 Unscrew the screws of the battery cover with a Phillips head screwdriver and Remove the battery cover Do not remove the waterproof seal from the battery cover p 18 4 Remove the batteries fro...

Страница 37: ...lable and ready Perform the startup check p 32 Measurement Turn the power on and select the measurement method Connect measurement cables or test leads to the measurement terminals Perform zero adjust...

Страница 38: ...ere any missing segment in the display items Check by activating the LCD all on display p 65 If there is a missing segment the instrument needs to be repaired Is there any damage or crack in the instr...

Страница 39: ...ment and short circuit their tips 3 Press the MEASURE button to check that approx 0 is indicated If not indicating approx 0 The measurement cable or test lead has not been fully inserted Fully insert...

Страница 40: ...age the instrument and facilities if a short circuit occurs Do not cause a short circuit between another wire and the wire to be measured with the test leads Arcs or such grave accidents are likely to...

Страница 41: ...tween input terminals and the ground and are designed to measure the earth resistance of an earthing electrode disconnected from the distribution system Turn off all power before connecting measuremen...

Страница 42: ...easured without setting up the comparator The comparator function operates as follows Comparison result Display Beep Measured value Reference value PASS Intermittent Measured value Reference value FAI...

Страница 43: ...or approx 2 s after the desired comparison reference has been chosen the comparator is enabled and the indicator appears in the display The comparator setting is saved even after the power is turned o...

Страница 44: ...for earth resistance precision measurement method 3 pole method and simplified measurement method 2 pole method and the precision measurement method 3 pole method is the basic measurement method for e...

Страница 45: ...side the earth resistance area accurate measurement cannot be carried out as it is significantly affected by noise Generally measurement of large scale earthing electrode requires a large measurement...

Страница 46: ...ls of the instrument 3 Short circuit the tips of the three measurement cables 4 Press the Power button to turn it on 5 Press the 3P 2P button to display 3 pole method Earth potential appears on the di...

Страница 47: ...tal conductor may be exposed Do not use any cord whose metal conductor is exposed Doing so could result in an electric shock burn or other hazards CAUTION To prevent cords damage do not step on cords...

Страница 48: ...asurement for Earth Resistance Precise Measurement Method 3 pole Method 1 5 3 Red Yellow H S Black Auxiliary Earthing Electrode S Auxiliary Earthing Electrode H Earthing Electrode E E 10 m 10 m HIOKI...

Страница 49: ...ng electrode E and auxiliary earthing electrode S while pulling out the measurement cable 5 At the location where the measurement cable red has been fully pulled out insert the auxiliary earthing rod...

Страница 50: ...the auxiliary earthing electrode is not reduced by the above methods place the optional 9050 Earth Nets on concrete and then position the auxiliary earthing rod on the Earth Nets and pour water over i...

Страница 51: ...displayed parameter can be changed after measurement Press the Fn button to switch parameters When NOISE appears If the earth potential is high 25 V rms or 35 4 V peak or higher and the earth potenti...

Страница 52: ...earthing electrode exceeds the allowable range the OPEN indicator appears below the measurement terminal that exceeds the allowable range and the earth resistance of the earthing electrode E will not...

Страница 53: ...ifications p 67 When the resistance RH of auxiliary earthing electrode exceeds 5 k the display range becomes the range of 200 without displaying the digit of 0 01 even though the resistance of earthin...

Страница 54: ...the auxiliary earthing rods without bending them See p 61 for how to pull out 4 Rewind the measurement cables red yellow with the respective winders and stow the winders in the carrying case with the...

Страница 55: ...p 45 Measured values provided by the continuous measurement function are for reference purposes only If you require precise values be sure to measure earthing resistance using the measurement method...

Страница 56: ...ton for at least 1 s until the indicator is no longer shown on the display Continuous operating time When using four AA alkaline batteries LR6 reference value at 23 C Approx 3 5 hours 3 pole method au...

Страница 57: ...with a voltage to ground of 300 V or less or to the wire on the neutral side of the breaker s secondary side with a voltage to ground of 150 V or less Do not connect with anything other than those spe...

Страница 58: ...igger the earth leakage breaker since the measurement current is suppressed to 4 mA or less However do not use this method for measurement at a location where an earth leakage breaker or leakage relay...

Страница 59: ...method to check the earth resistance of the equipment earthing with an earth system called TT method In case of not being able to insert an auxiliary earthing rod the earth resistance is obtained wit...

Страница 60: ...3 Press the Power button to turn it on 4 Press the 3P 2P button to display 2 pole method A measured value approx 0 V of the earth potential appears 5 Connect short circuit the tips of test leads 6 Pr...

Страница 61: ...e commercial power supply If the earth potential is high attention needs to be paid for the risk of electric shock To prevent an electric shock do not exceed the every rating shown on either the instr...

Страница 62: ...and the N neutral side of commercial power supply A large leak current may be flowing through the earthing electrode of the object under measurement or through the earthing element of the commercial p...

Страница 63: ...f the earth potential is within the allowable range 2 Measure earth resistance Measure the sum Rx Ro of the earth resistance of earthing electrode and the earth resistance on the neutral side of comme...

Страница 64: ...rod Rc cannot be separated from each other If earthing is provided by a building structure etc in a large area the resistance area of earth resistance Rx indicated in Figure a becomes very wide In or...

Страница 65: ...o install auxiliary earthing rod It is ideal to install the auxiliary earthing rod S P at the middle point of the straight line between the earthing element E and auxiliary earthing rod H C However if...

Страница 66: ...a general ground by hand Since it is thinner than previous models it can be inserted into a small gap Wear gloves and insert it perpendicular to the ground surface If the ground is too hard for inser...

Страница 67: ...r than auxiliary earthing rod through the loop part of the auxiliary earthing rod and pull the auxiliary earthing rod while turning it If pulling the auxiliary earthing rod with another auxiliary eart...

Страница 68: ...urns off How to recover from auto power save Press the Power button turn the screen on How to disable auto power save Turn the power on while pressing the 0 ADJ button IMPORTANT The settings of an dis...

Страница 69: ...ess function on Lights off Wireless function off To toggle the wireless communications function on and off press and hold the Fn button and the COMP button for at least 1 s 1 Connect the Z3210 Wireles...

Страница 70: ...aranteed to operate on all mobile devices The Z3210 uses 2 4 GHz band wireless technology It may not be possible for the device to establish a wireless connection when used in the vicinity of other de...

Страница 71: ...LCD All on Display This section describes how to check for screen issues by enabling all indicators on the LCD display at once 1 Turn the power on while pressing the Fn button 2 Press any button Its n...

Страница 72: ...igits and the last 5 digits of the serial number 9 digits appear alternately 2 Press any button Its normal measurement screen will appear First 4 digits Last 5 digits Example of a serial number 200756...

Страница 73: ...ndensing 50 C to 55 C 122 F to 131 F 40 RH or less non condensing 55 C to 60 C 131 F to 140 F 30 RH or less non condensing 60 C to 65 C 140 F to 149 F 25 RH or less non condensing Storage temperature...

Страница 74: ...3 pole method auxiliary earthing resistance of 100 measuring 10 using the 20 range measure on at 10 sec intervals with Z3210 installed using wireless communications Dimensions Approx 185W 111H 44D mm...

Страница 75: ...easured to receive the measurement current output from the H terminal Maximum rated terminal to ground voltage 100 V AC DC measurement category IV 150 V AC DC measurement category III 300 V AC DC meas...

Страница 76: ...ications Accuracy guarantee conditions Accuracy guarantee period 1 year Accuracy guarantee period after adjustment made by Hioki 1 year Accuracy guarantee temperature and humidity range 23 C 5 C 73 F...

Страница 77: ...age application measurement of voltage and current Effective resistance is measured by synchronous detection Measurement system 2 pole method 3 pole method switchable Output voltage 30 V rms or less a...

Страница 78: ...y 4 specific uncertainty A 1 5 rdg 8 dgt 1 5 rdg 4 dgt Allowable resistance of auxiliary earthing electrode 5 RH 5k 50k RS 5k 50k Operation uncertainty 30 rdg applied to 3 pole method Guaranteed range...

Страница 79: ...uracy 2 0 Effect of system frequency E7 Not applicable Effect of system voltage E8 Not applicable Effect of external magnetic field Accuracy 0 5 Earth resistance of auxiliary earthing electrode auto c...

Страница 80: ...ss Negative resistance value processing Displayed as absolute value 1 Automatically select the minimum display range that can meet both RE and RH values 2 3 pole method only 3 When using the 3 pole me...

Страница 81: ...ent Specifications 7 Applied in the range excluding 18 C to 28 C 8 Function to check whether or not the peak of earth potential is within the allowable range no AC coupling display the peak value peak...

Страница 82: ...E terminal 2 pole method Between H terminal and E terminal Overload protection 360 V AC for 1 min between each terminal 360 V DC for 1 min between each terminal Display refresh interval Within 1 s In...

Страница 83: ...e performed periodically Cleaning IMPORTANT Never use solvents such as benzene alcohol acetone ether ketones thinners or gasoline as they can deform and discolor the case If the instrument becomes dir...

Страница 84: ...Do not wash the instrument with a washing machine Do not use any electronic appliance such as a dryer or microwave for drying the instrument Wipe the LCD gently with a soft dry cloth If the instrumen...

Страница 85: ...w these precautions when transporting the instrument Remove batteries accessories and optional equipment from the instrument in order to avoid damage Additionally use the original packing materials an...

Страница 86: ...ment has a failure and needs to be repaired Inserting Replacing Batteries p 26 The instrument is unintentionally turned off during a measurement The batteries to be used may have been left for a long...

Страница 87: ...he resistance still will not come down move the auxiliary earthing electrode to another location The measurement cables yellow and red should be positioned approx 10 cm away from each other appears an...

Страница 88: ...earthing rod into the ground and then carry out measurement instead of using an auxiliary electrode for measurement Small noise occurs inside the instrument during measurement It is the noise from the...

Страница 89: ...utor or reseller to organize repair Err2 Adjustment data damaged Err4 Setting data damaged Err5 Abnormality in measurement circuit Err8 Z3210 communications error connection failure Z3210 or hardware...

Страница 90: ...84 Error Display HIOKI FT6031B961 00...

Страница 91: ...refore rectangular wave or sine wave of several tens Hz to 1 kHz is usually used to measure the earth resistance Special configuration Earth resistance is a resistance between earthing electrode and g...

Страница 92: ...ted by the earth tester In addition if the earth resistance of auxiliary earthing electrode is high the measurement current is reduced making it susceptible to noise such as earth potential The instru...

Страница 93: ...electrode and E electrode that is caused by the flow of the current I is measured by an AC voltmeter The earth resistance RX of E electrode is derived from the measured current I and voltage V It is...

Страница 94: ...88 Measurement Principle HIOKI FT6031B961 00...

Страница 95: ...HIOKI FT6031B961 00...

Страница 96: ...HIOKI FT6031B961 00...

Страница 97: ...HIOKI FT6031B961 00...

Страница 98: ...EN FT6031 50 EARTH TESTER Instruction Manual July 2020 Edition 1 FT6031B961 00 20 07H EN FT6031 50 EARTH TESTER Instruction Manual July 2020 Edition 1 FT6031B961 00 20 07H HIOKI FT6031B961 00...

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