KEW8115 MANUAL_ENG
Contents
1. 4 Confirm that the tips of the transformer jaws are surely closed 5 Start a measurement The measured conductor should be at the center of the jaws 6 6 The measured result is displayed on the connected measuring instrument 5 Keep the Power Switch pressed down at least 3 sec and power on the instrument to disable the Auto power off Function In this case the red LED lights up after powering on the instrument 6 Triangle marks on the Transformer Jows showing the center of the Jaws Currents flowing from the top side side with the Power switch to the bottom side Battery Compartment Cover are positive the ones flowing from the bottom side to the top side is negative Max conductor size for KEW8115 is max 12mm Accurate measurements cannot be taken on conductors thicker than above size since the transformer jaws don t fully close Do not give big shocks when opening closing tranformer jaws Current direction arrow k Ly oa NSLIYOA K Safety Symbols A Refer to the instructions in the manual o Indicates instrument with double or reinforced insulation Indicates that this instrument can clamp on live bare 4 conductors when the voltage to be tested is below Circuit Ground to Earth voltage against the indicated Measurement Category AC DC defined in the WEEE Directive This symbol indicates separate collection for electrical and electr2. adhered to Failure to follow the above instructions may cause injury and or instrument damage The symbol A indicated on the instrument means that the user must refer to the related parts in the manual for safe operation of the instrument It is essential to read the instructions wherever the symbol appears in the manual A DANGER is reserved for conditions and actions that are likely to cause serious or fatal injury A WARNING is reserved for conditions and actions that can cause serious or fatal Injury A CAUTION is reserved for conditions and actions that can cause minor injury or instrument damage 2 Features e Clamp sensor for AC DC current measurements e Designed to meet the international safety standard IEC61010 2 032 CAT III 300V Pollution degree 2 3 Instrument layout Trigger Cord Output Terminal 4mm Banana Plug Transformer Jaw Power switchi EET Green Light power on Barrier E29 Red Light no Auto power off Function Red Flash Low battery warning lt Power on off gt One press of the Power Switch powers on the instrument and the green LED lights up Another press of the Power Switch powers off the instrument The instrument is automatically powered off in about 20 min after the last switch operation Auto power off Function lt To disable the Auto power off Function gt Keep the Power Switch pressed down at least 3
3. Instruction Manual ZA A 2 fe a 10 Cc Yy CITED osnas awvT9 30 3Y Andino vw AwoL 90 9 AC DC Clamp Sensor K KYORITSU ELECTRICAL J INSTRUMENTS WORKS LTD DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD No 5 20 Nakane 2 chome Meguro ku Tokyo 152 0031 Japan Phone 81 3 3723 0131 Fax 81 3 3723 0152 Factory Ehime www kew ltd co jp 11 11 92 1969C 1 Safety Warnings This instrument has been designed manufactured and tested according to IEC 61010 Safety requirements for Electronic Measuring apparatus and delivered in the best condition after passing quality control tests This instruction manual contains warnings and safety rules which have to be observed by the user to ensure safe operation of the instrument and to maintain it in safe condition Therefore read through these operating instructions before using the instrument A WARNING e Read through and understand instructions contained in this manual before using the instrument e Keep the manual at hand to enable quick reference whenever necessary e The instrument is to be used only in its intended applications e Understand and follow all the safety instructions contained in the manual It is essential that the above instructions are
4. aged e The output connector shall be removed or connected without clamping a conductor Otherwise it may cause a failure e Do not expose the instrument to direct sunlight high emperatures humidity or dew e Do not use this instrument in dusty place and where the instrument is likely to get wet Power off the instrument after use Remove the batteries if he instrument is to be stored and will not be in use for a long period e Never give shocks such as vibration or drop which may damage the instrument e Use a damp cloth and detergent for cleaning the instrument Do not use abrasives or solvents e Take sufficient care to avoid shock vibration or excessive force when handling the instrument Otherwise precisely adjusted transformer jaws will be damaged e When transformer jaws do not fully close never try to close them by force but make them free to move and try again If a foreign substance is stuck in the jaw tips remove it e Do not open the jaws by force when transformer jaws are frozen e Hold the inserting part except for the cord and disconnect the Output Connector from the measuring instrument so as not to cause a break in the cable 5 Measurement 1 Press the Power Switch to power on the instrument The green LED lights up 5 2 Connect the output terminal to the input terminal of the measuring instrument 3 Press the trigger to open the transformer jaws and clamp onto a conductor
5. attery Compartment Cover 3 Replace the batteries with new ones size AAA alkaline battery LRO3x2 pcs 4 Install the Battery Compartment Cover and tighten the screws Screw Battery Compartment Cover A WARNING e Do not try to replace batteries when making a measurement to avoid electric shock hazard A CAUTION e Do not mix batteries of different types or new batteries with used ones e Make sure to install batteries in correct polarity as indicated in the battery compartment
6. nd enclosure between enclosure and output terminal between Jaw and output terminal Withstand voltage 10MQ or more 1000V between Jaw and enclosure between enclosure and output terminal between Jaw and output terminal Insulation resistance Power source DC3V size AAA alkaline battery LRO3x2pcs Auto power off Approx 20 min after powering on the instrument Low battery warning meer a Current consumption 25mA or less battery voltage 3V Continuous use Approx 40 hours Conductor size Max 912mm Cord length Approx 120cm Dimension 127 L x42 W x22 D mm Weight Approx 140g Accessories Instruction manual battery Soft case 1 Under the EMC environment the instrument temporally reads errors due to the influences of electrical magnetic fields about 15mV at 3V m Declared accuracy is guaranteed when a conductor under test is at the center of the Transformer jaws 2 This instrument doesn t have Zero Adjustment Function This accuracy is defined after a zero adjustment by using the device connected with this instrument It is advisable to do Zero adjustment before making measurements because zero value may vary due to temperature change 3 without batteries 4 powers off automatically at 1 9 0 2V or less Instrument works properly even while Low battery indicator is flashing A CAUTION e Do not step on or pinch the cord to prevent the jacket of cord from being dam
7. onic equipment et This instrument satisfies the marking requirement o Measurement categories To ensure safe operation of measuring instruments IEC 61010 establishes safety standards for various electrical environments categorized as CAT to CAT IV and called measurement categories Higher numbered categories correspond to electrical environments with greater momentary energy so a measuring instrument designed for CAT III environments can endure greater momentary energy than one designed for CATII CATI Secondary electrical circuits connected to an AC electrical outlet through a transformer or similar device CAT II Primary electrical circuits of equipment connected to an AC electrical outlet by a power cord CAT Ill Primary electrical circuits of the equipment connected directly to the distribution panel and feeders from the distribution panel to outlets CAT IV The circuit from the service drop to the service entrance and to the power meter and primary overcurrent protection device distribution panel Incoming wire CAT IV Interior wiring CAT III Transtomer CAMII CAT Kee A g J tS Socket 6 Battery Replacement Replace the batteries when a low batter indicator red LED flashes on the LCD 1 Press the Power Switch and power off the instrument 2 Loosen 1 screw at the bottom side of the instrument to remove the B
8. rement if any abnormal conditions are noted such as broken case and exposed metal parts e Do not install substitute parts or make any modification to the instrument Return the instrument to your local Kyoritsu distributor for repair or re calibration in case of suspected faulty operation e Always keep your fingers and hands behind the barrier on the instrument to avoid the possible shock hazard e Do not try to replace batteries if the surface of the instrument is wet Power off the instrument before opening the Battery Compartment Cover for a battery replacement Model KEW8115 Measuring Range A DCO 180A Output voltage AC DC 10mV A 50 60Hz apace wave F e 1 i a 1 2 5 rdg 0 4mV Temperature amp humidity range Guaranteed accuracy 23 5 C relative humidity 85 or less no condensation Operating temperature amp humidity range 10 55 C relative humidity 85 or less no condensation Storage temperature amp humidity range 30 70 C relative humidity 85 or less no condensation 3 Accuracy at 23 5 Cx 0 1 rdg C should be added Temperature coefficient Temperature ranges 10 to 18 C and 28 to 55 C Output impedance Approx 100 or less Location for use Altitude 2000m or less indoor use IEC 61010 1 CAT III 300V Pollution degree 2 Applicable standards IEC 61010 2 032 IEC 61326 1 AC3540V RMS 50 60Hz for 5 sec between Jaw a
9. sec and power on the instrument Then the red LED lights up and the Auto power off Function doesn t activate when 20 min pass after the last switch operation A DANGER e Never make measurement on a circuit in which the electrical potential exceeds 300V in order to avoid possible shock hazard e Do not make measurement when thunder is rumbling If the instrument is in use stop the measurement immediately and remove the instrument from the measured object e Do not attempt to make measurement in the presence of flammable gasses Otherwise the use of the instrument may cause sparking which can lead to an explosion e Put insulated protective gears when there is a danger of electrical shock hazard e The transformer jaws are made of metal and their tips are not completely insulated Be especially careful about the possible shorting where the measured object has exposed metal parts e Never attempt to use the instrument if it s surface or your hand is wet Otherwise electrical shock accident may occur e Do not exceed the maximum allowable input of any measuring range e Never open the battery compartment cover and the instrument case when making a measurement e The instrument is to be used only in its intended applications or conditions Otherwise safety functions equipped with the instrument doesn t work and instrument damage or serious personal injury may be caused A WARNING e Never attempt to make any measu
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