Hioki 3256-50, Instruction Manual

Page 1: ...INSTRUCTION MANUAL DIGITAL HiTESTER 3256 50 3256 51...

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Page 3: ...16 2 2 Frequency Measurement 18 2 3 Current Measurement 19 2 4 Resistance Measurement 22 2 5 Continuity Check 23 2 6 Diode Check 24 Chapter 3 Additional Functions 25 3 1 HOLD AUTO Function 25 3 2 HOLD...

Page 4: ...ii Chapter 4 Specifications 35 4 1 General Specifications 35 4 2 Accuracy 39 Chapter 5 Maintenace and Service 43 5 1 Replacing the Batteries and Fuses 43 5 2 Cleaning 45 5 3 Service 45...

Page 5: ...rate according to the specifications contact your dealer or Hioki representative Before using the product the first time verify that it operates normally to ensure that the no damage occurred during s...

Page 6: ...Before using the product be sure to carefully read the fol lowing safety notes 3256 50 1 3256 51 2 Safety Notes This product is designed to conform to IEC 61010 Safety Standards and has been thor ough...

Page 7: ...cates that the user should refer to a corresponding topic in the manual marked with the symbol before using the relevant function Indicates that dangerous voltage may be present at this terminal Indic...

Page 8: ...ates that incorrect operation presents a pos sibility of injury to the user or damage to the prod uct Advisory items related to performance or correct operation of the product Indicates the quick guid...

Page 9: ...ory than that for which the product is rated could result in a severe accident and must be carefully avoided Never use a CAT I measuring product in CAT II III or IV envi ronments The measurement categ...

Page 10: ...nefits of the various func tions Usage Notes To avoid electric shock do not allow the product to get wet and do not use it when your hands are wet Do not use the product where it may be exposed to cor...

Page 11: ...usty environment Do not use the product near a device that gener ates a strong electromagnetic field or electro static charge as these may cause erroneous measurements To avoid damage to the product p...

Page 12: ...t conductors or in the presence of strong electromagnetic fields such as near radio transmitters To avoid battery depletion turn the function selector OFF after use the Auto Power Save feature consume...

Page 13: ...oduct is equipped with test lead misinsertion preventive shutters and fast act ing fuses at the current measurement terminals Multi functional and voltage detecting Live conductors can be examined saf...

Page 14: ...utton Function Selector Selectsfunctions and turns the power on off REC MEMO Button Pressthis button to change to the function indicat ed in blue For other func tions see the fol lowing pages A mA ter...

Page 15: ...imal point Changes to the func tion indicated in blue Toggles between AC and DC modes Cur rent measurement page 19 Recording function Displays MAX MIN AVG 1 page 32 Voltage Detecting page 31 Memory Fu...

Page 16: ...AC current function mA DC AC current function 10A DC AC current function Function Selector Press REC MEMO when the function in parentheses is being used Quick Reference Indicates the function selector...

Page 17: ...measured value exceeds the maxi mum value O F is displayed 27 Use this function to check any discrepancy from the reference or to control the resistance for the purpose of zero adjustment Relative fu...

Page 18: ...ve the measured value to memory Memory function 33 Call the saved data 34 Delete all data from memory 34 V V Hz VD 40 A A mA 10A REC MEMO Press this button until a beeping sound is generated OFF Funct...

Page 19: ...m the mea surement object before switching the func tion selector When it is necessary to replace the mea surement terminal remove the test lead from the measurement object and discon nect the lead fr...

Page 20: ...ety test lead connections must always be made at the secondary side of a circuit breaker The maximum rated voltage between input terminals and ground is 1000 V DC AC CATII 600 V DC AC CATIII or 107 V...

Page 21: ...Move the test leads away from the measurement object Press H AUTO REL Power on Measurement Press H AUTO REL Appearance of O F The measured value exceeds 4200 counts up to the 420 V range or 1050 coun...

Page 22: ...the frequency measurement Press REC MEMO Attenuation factor of the input voltage 1 10n n Scale number Indication range 0 5 Hz to 500 kHz 1 Move the function selector to the V position and press the R...

Page 23: ...ge 40 A A mA range 420mADC 420 mA rms 10A range 10 ADC 10 A rms Do not input a current in excess of this value Otherwise the measurement prod uct will be damaged resulting in an acci dent that may cau...

Page 24: ...ect the test leads to the measurement object and read the indicated value The Auto Range function is not provided Black REC MEMO Red A Measurement 420 A 4200 A range 1 Move the function selector to th...

Page 25: ...t 10 A range Note that the product may be damaged if current exceeding the selected measurement range is applied for a long time for the 10 A range continu ous current must be limited to 7A or to less...

Page 26: ...ct the red test lead to ter minal V and the black test lead to terminal COM 3 Connect the test leads to the measurement object and read the indicated value Black Red Black Red Selecting the manual ran...

Page 27: ...from the circuit before measuring 1 Move the function selector to the position 2 Select Diode using the REC MEMO button lights up 3 Connect the red test lead to ter minal V and the black test lead to...

Page 28: ...ce of O F The diode is invertedly connected or broken Appearance at approxi mately 0 V The diode is short circuited 1 Move the function selector to the position 2 Select Diode using the REC MEMO butto...

Page 29: ...ect the desired function and connect the the measurement product 2 Press the H AUTO REL button HOLD blinks In the measurement of resistance played 3 Connect the test leads to the measurement o the mea...

Page 30: ...n until a beeping sound is generated toggle the function selector to the desired position 2 Press the H AUTO REL button again at the measured value to be held The value is held HOLD lights up 3 To can...

Page 31: ...ge of DC voltage measurement V or AC voltage measurement V 10 A range of current measurement Example When the measured value exceeds 1050 counts in the 1000 V range of AC voltage measurement V 3 3 Ove...

Page 32: ...e button at 10 V REL lights up and 0000 is displayed 4 Measure the voltage again and read the displayed value discrepancy from the reference The measured value minus the reference is displayed Checkin...

Page 33: ...The resistance of the test leads is displayed 3 Press the H AUTO REL button for at least 1 sec ond REL lights up 0000 4 Connect the test leads to the measurement object and read the indicated value Ap...

Page 34: ...ave Function Functions All functions Description Approximately 10 minutes after completing final operation the measurement product automati cally enters Power Save mode When the mea surement product i...

Page 35: ...audibly intermittent sound and visually display 1 Move the function selector to the V position and press the REC MEMO button twice 1 lights up 2 Bring the measurement product close to the power line...

Page 36: ...product 2 Connect the test leads to the measurement object 3 Press the REC MEMO but ton for at least 1 second MAX MIN AVG lights up 4 Select the item using the H AUTO REL button The maximum minimum an...

Page 37: ...Hold Auto or Hold function 2 Press the REC MEMO button in hold mode The value dis played is saved in memory of the number specified Wait a moment for current value display on the LCD Up to 20 values...

Page 38: ...saved data is displayed on the LCD RANGE When there is no data in memory RANGE Deleting all data from memory In Memory Call mode press the REC MEMO and RANGE buttons simultaneously for at least 1 seco...

Page 39: ...function Hold function Hold Auto function Relative Display Function Dynamic Recording function Memory function Registration call deletion Auto Power Save function Overflow Warning function Battery Li...

Page 40: ...x 100 hours V with R03 manganese batteries Approx 200 hours V with LR03 alkaline batteries Maximum Rated Voltage to Earth 1000VDC 1000Vrms sin or 107 V Hz CATII 600VDC 600Vrms sin or 107 V Hz CATIII M...

Page 41: ...ithout protrusions Approx 260 g 9 2 oz Accessories 9207 10 TEST LEAD Instruction Manual Two R03 manganese batteries Protective holster 3256 51 or 9378 CARRYING CASE 3256 50 Applicable Standards Safety...

Page 42: ...inal TDC600 10A made by Cooper Bussmann Rating 10 A 600 VAC Fast Acting Breaking capacity 10 kA 250 VAC 200 A 600 VAC AmA terminal 70125 made by SIBA Inc Rating 0 5 A 700 VAC Fast Acting Breaking capa...

Page 43: ...2 0 5 2 0 5 2 100 M or more Approx 11M Approx 10M Approx 10M Approx 10M V 1 420 0 m 4 200 42 00 420 0 1000 1 5 3 2 1 2 3 1 2 3 1 2 3 1 2 6 100M or more 50 to 100 Hz Approx 11M 50 to 500 Hz Approx 10M...

Page 44: ...esistance Measurement Continuity Check Diode Check Range Accuracy rdg dgt Openterminal voltage Measurement current max Reference value Resis tance 420 0 4 200k 42 00k 420 0k 4 200M 42 00M 0 7 4 0 7 2...

Page 45: ...m 420 0m 10 00 2 2 5 5 2 5 5 2 5 5 2 5 5 2 5 5 2 5 5 Approx 10k Approx 100 Approx 100 Approx 1 Approx 1 Approx 0 01 Frequency range 50 Hz to 500 Hz Protective Fuse 42 A to 420mA range 0 5 A 700 VAC Br...

Page 46: ...4 2 Accuracy 42...

Page 47: ...ld and new batteries or dif ferent types of batteries Also be careful to observe battery polarity during instal lation Otherwise poor performance or damage from battery leakage could result To avoid t...

Page 48: ...o remove the three lock bolts 3 Lift and remove the rear case 4 Replace the two manganese batteries R03 mounted to the rear case or the fuse mounted to the front case 5 Mount the rear case and tighten...

Page 49: ...oline as they can deform and discolor the case If the product seems to be malfunctioning con firm that the batteries are not discharged and that the test leads and fuse are not open cir cuited before...

Page 50: ...5 3 Service 46...

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Page 53: ...1 268 28 0568 E mail os com hioki co jp URL http www hioki co jp Printed in Japan 3256C981 04 All reasonable care has been taken in the production of this manual but if you find any points which are u...

Page 54: ...9H HEAD OFFICE 81 Koizumi Ueda Nagano 386 1192 Japan TEL 81 268 28 0562 FAX 81 268 28 0568 E mail os com hioki co jp URL http www hioki co jp HIOKI USA CORPORATION 6 Corporate Drive Cranbury NJ 08512...