User`s Manual - Test Equipment Depot
Contents
1. CL220 Clamp on Tester User s Manual IM CL220 cae Contents E Precautions for Safety Use of the Instrument 1 Instrument Layout 2 Measurement 2 1 Preparation for Measurement 2 2 DC Current Measurement 2 3 AC Current Measurement 3 Other Functions 3 1 Sleep Function 3 2 Data Hold Function 3 3 Optional Accessories 4 Battery Replacement 5 Specifications 6 Calibration and After sales Service IM CL220 2nd Edition June 2003 MC YOKOGAWA Yokogawa M amp C Corporation E Precautions for Safe Use of the Instrument When handling the instrument ALWAYS observe all of the cautionary notes on safety given below Yokogawa M amp C Corporation is not at all liable for damage resulting from misuse of this product by the user that is contrary to these cautionary notes Various symbols are used on the instrument and in this manual to ensure the product is used safety and to protect operators and prop erty from possible hazards or damage The following safety symbols are used where appropriate Read the explanations carefully and familiarize yourself with the symbols before reading the text The instrument and this manual use the following safety symbols Danger Handle with Care Ay This symbol indicates that the operator must refer to an ex planation in the User s Manual in order to avoid the risk of personal injury or death and or damage to the instrument O Double Insulation This symbol indicates doubl2. 31 334 64 1610 YOKOGAWA AMERICA DO SUL S A BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 1274 YOKOGAWA ENGINEERING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 to 0664 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 9805 0699 Facsimile 61 2 9888 1844 YOKOGAWA BLUE STAR LTD INDIA Phone 91 80 227 1513 Facsimile 91 80 227 4270 LTD YOKOGAWA ELECTRIC RUSSIAN FEDERATION Phone 7 095 737 7868 Facsimile 7 095 737 7869 KIM3E 2003 2
3. any damage to the casing or when the casing is removed e Do not install substitute parts or make any modification to the in strument Return the instrument to Yokogawa M amp C or your dis tributor for repair or re calibration e Always switch off the instrument before opening the battery com partment cover for battery replacement A WARNING To avoid damage to the instrument or electric shock The restrictions on the maximum voltage level for which the CL220 testers can be used depend on the over voltage categories specified by the safety standards These category specifications are formulated to protect operators against transient impulse voltage in power lines Maximum Allowable Input Function OVERVOLTAGE CATEGORY III A A 300Arms AC 300A DC i Measuring circuit voltage 300Vrms AC 300V DC Over voltage category CAT I Signal level special equipment or parts of equipment telecommu nication electronic etc with smaller transient over voltages than CAT II Over voltage category II CAT II Local level appliance portable equipment etc with smaller tran sient over voltages than CAT III Over voltage category III CAT III Distribution level fixed installation with smaller transient over voltages than CAT IV A CAUTION e Be sure to set the Function Selector switch to the OFF position after use When the instrument will not be in use for a long period of time Place it in storage after removi
4. e insulation AC Voltage Current This symbol indicates AC voltage or current DC Voltage Current This symbol indicates DC voltage or current AC DC Voltage Current This symbol indicates AC DC voltage or current Ground This symbol indicates ground earth i IF I A WARNING Indicates that there is a possibility of serious personal injury or loss of life if the operating procedure is not followed correctly and describes the precautions for avoiding such injury or loss of life AN CAUTION Indicates that there is a possibility of serious personal injury of dam age to the instrument if the operating procedure is not followed cor rectly and describes the precautions for avoiding such injury or dam age NOTE Draws attention to information essential for understanding the opera tion and features A WARNING e Never make measurement on a circuit above 300V AC DC e Do not use the instrument in an atmosphere where any flammable or explosive gas is present e Do not attempt to make measurement in the presence of flamma ble gasses fumes vapor or dust Otherwise the use of the instru ment may cause sparking which can lead to an explosion e Avoid using the instrument if it has been exposed to rain or mois ture or if your hands are wet e Do not exceed the maximum allowable input of any measurement range e Never open the battery compartment cover when making meas urement e Do not use the instrument if there is
5. e measurements cannot be taken Maximum conductor size is 24mm in diameter e Zero adjustment is not necessary in AC current measurement There is no polarity in the reading either 3 Other Functions 3 1 Sleep Function This is a function to prevent the instrument from being left powered on in order to conserve battery life This function causes the instrument to enter the Sleep powered down mode about 30 minutes after the last switch or button operation To exit the Sleep mode turn the Function Selector switch back to OFF then to any other position or press any button The current is consumed a little in the Sleep mode NOTE If the instrument in the Data Hold mode goes into sleep the Data Hold function will remain effective when the instrument is powered on again 3 2 Data Hold Function This is a function used to freeze the measured value on the display Press the button to freeze the reading The reading will be held regardless of subsequent variation in input is shown on the upper right corner of the display while the instrument is in the Data Hold mode To exit the Data Hold mode press the button again NOTE If the instrument in the Data Hold mode goes into sleep the Data Hold function will remain effective when the instrument is powered on again 3 3 Optional Accessories Clamp Adapter Model 99025 For AC current measurement only Clamp Adapter Model 99025 is designed A to increase the
6. measuring capability of a clamp meter With the use of the Clamp Adapter you can not only extend current range over 3000A but also clamp ona large bus bar or conductor 1 Set the Function Selector switch to the A position 2 As shown in the figure below clamp Model CL220 onto the pickup coil of Model 99025 3 Clamp Model 99025 onto the bus bar or conductor under test 4 Take the reading on Model CL220 and multiply it by 10 NOTE For the detailed specification refer to the Clamp Adapter User s Manual 4 Battery Replacement A WARNING To avoid electric shock hazard never try to replace batteries during measurement A CAUTION e Do not mix new and old batteries e Make sure to install battery in correct polarity as indicated in battery compartment If the battery voltage becomes too low for the instrument to operate normally Z is shown on the display Then replace the battery Note that when the battery is completely exhausted the display blanks without shown 1 Set the Function Selector switch to the OFF position 2 Press in the hole on the battery compartment cover with the tip of a pointed object then slide open the cover 3 Replace the battery observing correct polarity Use two new LR44 or SR44 batteries 4 Slide the battery compartment cover back in place Battery compartment cover 5 Specifications instrument Specifications e Measuring Ranges and Accu
7. ng case and metal part of jaws e Insulation Resistance 10MQ or greater at 1000V between hous ing case and metal part of jaws e Conductor Size Approx 24mm diameter max e Dimensions Approx 59 W x 147 H x 25 D mm e Weight Approx 100g batteries included e Safety Standard EN 61010 1 EN 61010 2 032 300V AC DC CAT Ill Pollution degree2 indoor use e EMC Standard EN 61326 EN 55022 e Accessories LR 44 battery E E E 2 Carrying case Model 93033 1 User s Manual eee eee eee er 1 e Optional Accessories Clamp adapter Model 99025 6 Calibration and After sales Service Should any failure occur while you are using the tester follow the instructions given below If the tester still fails to operate correctly and needs repair contact the vendor from whom you purchased the in strument or the nearest Yokogawa M amp C sales office e Turn off the POWER switch once then turn it back on again e If the tester does not turn on replace the battery with a new one Calibration It is recommended that the instrument be calibrated once every year YOKOGAWA Yokogawa M amp C Corporation YOKOGAWA M amp C CORPORATION International Sales Dept 2 9 32 Nakacho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 5716 Facsimile 81 422 55 8654 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1 770 253 7000 Facsimile 1 770 251 2088 YOKOGAWA EUROPE B V THE NETHERLANDS Phone 31 334 64 1611 Facsimile
8. ng the battery e Use a damp cloth and detergent for cleaning the instrument Do not use abrasives or solvents NOTE e Radiation immunity affects the accuracy of CL220 testers under the conditions specified in EN 61000 4 3 1997 e f equipment generating strong electromagnetic interference is located nearly the testers may malfunction 1 Instrument Layout Open Close Lever Function Selector Switch Safety Hand Strap Zero ADJ Button Display Data Hold Button LCD Display Low Battery Warning Data Hold Mode DC Current AC Current Current Negative Sign 99 Washington Street Melrose MA 02176 Fax 781 665 0780 Test Equipment 1 800 517 8431 TestEquipmentDepot com 2 Measurement 2 1 Preparation for Measurement A CAUTION e The jaw section is a delicate precision sensor Do not subject the jaw to unreasonably strong shock vibration or force when using it e f dust gets into the tops of the jaws remove it immediately Do not close the jaws when dust is trapped in its joints as the sensor may break e Please check that the Function Selector switch is set to the desired position before measurement 2 2 DC Current Measurement A WARNING Do not make measurement on a circuit above 300V DC This may cause shock hazard or damage to the instrument or equipment under test 1 Set the Function Selector switch to the A position DC should be shown on the upper left corner of the dis
9. play 2 With the transformer jaws closed and without clamping them onto the conductor press the button for about one second to zero adjust the display 3 Press the open close lever to open the transformer jaws and clamp them onto the conductor under test then take the reading on the display The most accurate reading will be obtained by keeping the conductor at the center of the transformer jaws NOTE e During current measurement keep the transformer jaws fully closed Otherwise accurate measurement cannot be made The maximum measurable conductor size is approx 24mm in diameter e When the current flows from the upside the display side to the underside of the instrument the polarity of the reading is positive and vice versa See the figure at the below light D Current 2 3 AC Current Measurement A WARNING Never use the instrument on a circuit above 300V AC This may cause electrical shock hazard and damage to the instrument or the circuit under test 1 Set the Function Selector switch to the A position AC should be shown on the upper left corner of the display 2 Press the open close lever to open the transformer jaws and clamp them onto a single conductor and take the reading on the display The most accurate reading will be obtained by keeping the conductor at the center of the transformer jaws NOTE e During current measurement keep the transformer jaws fully closed Otherwise accurat
10. racy at 23 5 C relative humidity up to 85 DC Current Auto ranging Measuring Range 0 to 40 00A 1 0 rdg 4dgt 300A 20 0 to 200 0A 1 5 rdg 4dat 200 0 to 300 0A 3 0 rdg AC Current Auto ranging Aon ee pe ante o D a a Trae E General Specifications e Operating System Dual integration e Measurement Function AC current DC current e Display Liquid crystal display with maximum counts of 4000 e Overrange Indication OL is shown on the display e Response Time Approx 2 seconds e Sample Rate Approx 2 5 times per second e Temperature and Humidity for Guaranteed Accuracy 23 C 5 C relative humidity up to 85 without condensation e Operating Temperature and Humidity 0 to 40 C relative humidity up to 85 without condensation e Storage Temperature and Humidity 20 to 60 C relative humidity up to 85 without condensation e Effect of conductor position Within 2 0 rdg 5dgt of indicated value at the center to a 10 mm dia conductor at every part inside the jaws e Effect of external magnetic field 1A or less in AC or DC magnetic field of 400 A m e Power Source Tow LR 44 or SR 44 3V DC batteries e Battery Life Approx 100 hours continuous e Current Consumption Approx 9mMA e Sleep function Automatically powered down in approx 5 minutes after the last switch operation power consumption approx 20uA e Withstanding Voltage 3700V AC for 1 minute between housi
Download Pdf Manuals
Related Search