Instruction Manual
Contents
1. activating A WARNING Never attempt to make measurement if any abnormal conditions such as broken case and exposed metal parts are found on the instrument or cables Verify proper operation on a known source before starting to use the instrument or taking action as a result of the indication of the instrument Do not install substitute parts or make any modifications to the instrument Return the instrument to your local KYORITSU distributor for repair or re calibration in case of suspected faulty operation Do not try to replace the batteries if the surface of the instrument is wet Ensure that the Clamp sensor is disconnected from the object under test and that the instrument is powered off when opening the Battery compartment cover for battery replacement A CAUTION This instrument is designed for residential commercial or light industry applications Accurate results may not be obtained if equipments generating strong electromagnetic interferences or strong magnetic fields due to large currents exist in the neighborhood Set the Function switch to the appropriate position before starting measurement This instrument isn t water proofed Keep away from water Be sure to power off the instrument after use Remove the batteries if the instrument is to be stored and will not be in use for a long period Do not expose the instrument to direct sunlight high temperatures humidity or dew Use a2. 0 2 032 IEC61326 1 EMC IEC60529 IP40 Display Liquid crystal display Maximum reading 3149 Approx 2 times per second In door use altitude 2000m or less Refresh rate Location for use Operating temperature amp humidity 0 to 50 C RH80 or less no condensation Storage temperature amp humidity 10 to 60 C RH70 or less no condensation Power source Size AAA battery x 2 pcs The use of alkaline LRO3 is recommended Battery life Approx 120 hours continuous with Backlight off Low battery warning C appears when the battery voltage drops to 2 3V or less Power off function operates in 15 min after the last switch operation Overload Protection AC 5000A for 10 sec Temperature coefficients Add 0 1 x specified accuracy C above 28 C or below 18 C Withstand voltage AC8200V for 5 sec between clamp sensor and enclosure Insulation resistance 100MQ or more 1000V between clamp sensor and enclosure Auto power off Conductor size Max 150mm Dimension 120 L x70 W x26 H mm Weight Approx 300g including batteries Cable length Approx 1 8m between clamp sensor and main unit Accessory Carrying case MODEL9174 x 1 pce Size AAA battery x 2 pcs Instruction manual x 1 pce 8 Battery Replacement A DANGER Do not try to replace the batteries if the surface of the instrument is wet Ensure that the Clamp sensor is disconnected from the object under test and that the instrument is powered
3. INSTRUCTION MANUAL FLEXIBLE CLAMP METER KEW 2210R KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD B DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations KYORITSU ELECTRICAL INSTRUMENTS gt 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 13 92 2176 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 passed the inspection This instruction manual contains warnings and safety rules which must be observed by the user to ensure safe operation of the instrument and retain it in safe condition Therefore read through these operating instructions before using the instrument A WARNING Read through and understand the instructions contained in this manual before starting to use the instrument Keep the manual at hand to enable quick reference whenever necessary The instrument is to be used only in its intended applications Understand and follow all the safety instructions contained in the manual It is essential that the above instructions are adhered to Failure to follow the above instructions may impair the protection provided by the instru
4. damp cloth with water or neutral detergent for cleaning the instrument Do not use abrasives or solvents Marks listed below are used on this instrument User must refer to the explanations in the instruction manual Instrument with double or reinforced insulation Must wear insulated gears such as a pair of rubber gloves when connecting disconnecting the sensor to from live conductors AC Crossed out wheel bin symbol according to WEEE Directive 2002 96 EC indicating that this electrical product may not be treated as household waste but that it must be collected and treated separately bf S Ee 6 Operating instructions A DANGER Never make measurement on a circuit in the following categories CAT IV over 600V CAT III over 1000V Never open the Battery compartment cover while making measurement To avoid getting electrical shock by touching the equipment under test or its surroundings be sure to wear insulated protective gears 1 Disconnect the Joint connector according to the illustration to the right 2 Clamp onto one conductor under the test and re connect the Joint connector Hold the conductor at the center of the Clamp sensor 3 Confirm that the Joint connector on the Clamp sensor is firmly connected Note Jointed part of the Clamp sensor may be disconnected if excessive force is applied to Clamp onto one conductor only measure
5. function to hold measured values on the display Press the Data hold button once to hold the current reading In this data hold state the reading is held even if input varies The HOLD mark appears on the LCD To exit the data hold state press the button again 7 3 Backlight function Press the Backlight button and turn on off the LCD backlight The backlight is automatically turned off in 30 sec 7 4 MIN MAX function Displayed values can be toggled in the following sequence by pressing the MIN MAX button Maximum value MAX appears Minimum value MIN appears Present measured value MAX MIN blinks Maximum value MAX appears To disable this function hold down the MIN MAX button at least 2 sec or rotate the Function switch Crest factor CF Full scale CF lt 1 6 half scale CF lt 3 2 Effective input crest values are V 2 times of the max values of each range Influence of Conductor position Measurement accuracy is guaranteed when the measured object is placed at the center of the clamp sensor The following errors should be considered and added to the accuracy depending on the distance from the center position Distance from the center pare ou a i Radius 25 mm 950 1 0 0100 Roe Radius 50 mm 0100 42 0 s0 F Radius 75 mm 0150 3 0 y Applicable standards IEC61010 1 IEC61010 2 030 CAT III 1000V CAT IV 600V Pollution degree 2 IEC6101
6. hold function MIN MAX function Auto power off function Designed to meet the following safety standard IEC 61010 1 CAT III 1000V CAT IV 600V Pollution degree 2 3 Specification Measuring range and accuracy 23 C 5 C RH 80 or less AC current Accuracy guaranteed range Accuracy 30A 0 00 31 49A 1 50 30 00A 3 rdgt5dgt 300A 0 0 314 9A 15 0 300 0A Atth 45 F 00Hz T e center of the circle _ ee 150 3000A formed by the flexible sensor Range Display range 7 Other functions 7 1 Auto power off function This function is to prevent the battery from being exhausted by the instrument being unintentionally left on The instrument automatically shifts to the power off state about 15 min after the last Function switch or other switch operation To exit from the Auto power off status press any button or set the Function switch to the OFF position once and then set it to the desired range mark is displayed on the LCD when the Auto power off function is enabled To cancel the Auto power off function To cancel the Auto power off function hold down the Data hold button and turn the Function switch from OFF position to any other position While this function is disabled mark is not displayed on the To enable the Auto power off function again Turn the Function switch to the OFF and then set it to any position 7 2 Data hold function This is a
7. ment and may cause injury instrument damage and or damage to the equipment under test 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 A 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 injury or instrument damage A DANGER Never make measurement on a circuit in the following categories Measurement category IV CAT IV over 600V Measurement category III CAT IIl over 1000V 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 Never attempt to use the instrument if its surface or your hand is wet Do not exceed the maximum allowable input of any measuring ranges Never open the Battery compartment cover during a measurement To avoid getting electrical shock by touching the equipment under test or its surroundings be sure to wear insulated protective gears Never attempt to make any measurements if the instrument has any structural abnormalities such as a crack or if the cover is not securely attached The inst
8. ments cannot be made when clamping single phase 2 wire or three phase 3 wire at the same time g o g o jix TN i ol Measurement categories Over voltage categories To ensure safe operation of measuring instruments IEC 61010 establishes safety standards for various electrical environments categorized as O 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 IIl environments can endure greater momentary energy than one designed for CAT II O Circuits which are not directly connected to the mains power supply CAT II 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 Interior wiring f O Device which is CAT IV CAT III not directly connected to the mains power supply Socket 2 Features Flexible and light weight Sensor with air core coil Wide measuring ranges up to 3000A 30A 300A 3000A True RMS readings Data
9. off when opening the Battery compartment cover for battery replacement Never open the Battery compartment cover while making measurement A CAUTION Do not mix new and old batteries or mix different types of batteries Install batteries in correct polarity as marked inside Replace batteries with the new ones when the empty battery mark C3 is displayed on the LCD The LCD does not show anything even the empty battery mark when the batteries are completely exhausted How to replace batteries 1 Power off the instrument 2 Loosen the screw at the backside of the instrument and remove the Screw Battery compartment cover 3 Remove all the old batteries and install new ones two size AAA batteries in correct polarity The use of alkaline battery LRO3 is recommended 4 Reattach the Battery compartment cover and tighten the screw Battery compartment cover Batteries
10. rument should be used only in its intended applications or conditions Otherwise safety functions equipped with the instrument do not work and instrument damage or serious personal injury may be caused 4 Instrument layout Clamp sensor p Z Data hold button MIN MAX N4 button SSS D Function switch Joint Backlight button Cable LCD MIN mark MAX mark Haa old marl AC mark gt MIN Tea a ae Auto power off el AR g AN mark P Unit Battery mark 5 Getting started 1 Checking battery voltage Set the Function switch to any position other than the OFF position When the indications on the display are clearly legible and the C3 mark is not on the battery voltage is OK If the display is blank or C mark is on replace the batteries according to Section 8 Battery Replacement A CAUTION When the instrument is left powered on the Auto power off function automatically shuts the power off the display will be blank even if the Function switch is set to any positions other than the OFF position in this state To power on the instrument rotate the Function switch or press any of the buttons If the display is still blank the batteries are exhausted Replace the batteries with the new ones 2 Checking Function switch position Set the Function switch to the appropriate range according to the measurement purpose Confirm that the Data hold function is not
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