PLH5760 - Meco Instruments P.Ltd
Contents
1. NOTE The PEAK function displays the maximurn value of the input waveform The sampling time for the PEAK function is 39ms 50Hz or 33ms 60Hz The HOLD MAX or MIN function 8 displays the true RMS value 9 3 1 3 Harmonics of AC Current in Magnitude mA or A c Press the FUNC button twice The symbols ot Harmonic 4 gt and NO will be shown in LCD The n th order 1 to 99 rarmonic will be shown in front of the reading of the percentage i TT in rT of the current d Press the A or W button to increment or decrement the ER i mA order of harmonics in front of the reading The number r will roll over when the maximum 99 or minimum 1 is a Set the rotary switch at the position of mA or A reached depending on the range of AC current Then select the 3 1 5 Total Harmonic Distortion THD F correct fundamental frequency by moving the sliding X switch at the side of the tester THD 7 b Press the trigger to open the jaw and fully enclose the TY TT conductor to be measured c Press the FUNC button once The symbols of Harmonic YY and NO will be shown in LCD Ihe n th order 1 to 99 will 2 be shown in front of the reading of the magnitude mA or a Set the rotxy switch at the position of mA or A A of the current depending on the range of AC current Then select the d Press the A or W button to increment or decrement the correct2. DONY LO y a Set the rotary switch at position V Then select the correct fundamental frequency by moving the sliding switch at the side of the tester b Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured c The measured value is displayed in the LCD display If the V button is pressed the symbol of HOLD MAX MIN or PEAK will be shown in LCD altenatively And the value of the HOLD MAX MIN or PEAK function will be displayed in LCD alternatively d To return to the display of current measurement hold the VY button for more than 2 seconds NOTE The PEAK function displays the maximum value of the input waveform The sampling time for the PEAK function is 39ms 50Hz or 33ms 60Hz The HOLD MAX or MIN function displays the true RMS value 3 2 3 Harmonics of AC Voltage in Magnitude V A Harmonie o NO a Set the rotay switch at position V Then select the correct fundamental frequency by moving the sliding switch at the side of the tester 44 b Insert the test leads into the input jack Connect the test 3 2 4 prods of the test leads in PARALLEL to the circuit to be measured Press the FUNC button once The symbols of Harmonic and NO will be shown in LCD The n th order 1 to 99 will be shown in front of the reading of the magnitude V of the voltage Press the
3. 5 10 of reading 10 Peak Value of AC Voltage peak value gt 5V or AC Current peak value gt 10mA for mA range and peak value gt 0 5A for A range Accuracy of Reading 5 30 digts 5 30 digts Crest Factor C F of AC Voltage peak value gt 5V or AC Current peak value gt 10mA for mA range and peak value gt 0 5A for A range 1 00 99 99 5 30 digts Indoor Use Conductor Size 30mm approx Battery Type two 1 5V SUM 3 Display 4 2 2 digits LCD Range Selection Auto Overload Indication OL Power Consumption 10mA approx Low battey Indication Auto Power Off 30 minutes after power on Update Time 2 times sec display No of Samples per Period 512 voltage or current 256 power Operating Temperature 10 C to 50 C Operating Humidity less than 85 relative Altitude up to 2000M Storage Temperature 20 C to 60 C Storage Humidity less than 75 relative Dimension 210 x 62 x 35 6mm approx Weight 200gms including battery approx Accesseies test leads x 1 Carrying bag x 1 Instruction manual x1 Batteries 1 5V x 2 installed Option Alligator clips 28 29 7 Battery Replacement NOTE When the low battery symbol is displayed on the LCD replace tt tt ns the old batteries with two new batteries A MUST Turn the power off and remove the test leads ss from the clamp meter B Remove the screw of the battery comparlment ff C
4. A or W button to increment or decrement the order of harmonics in front of the reading The number will roll over when the maximum 99 or minimum 1 is reached Harmonics of AC Voltage in Percentage Harmonic NO Tt 1 7 LULL Set the rotary switch at position V Then select the correct fundamental frequency by moving the sliding switch at the side of the tester Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured Press the FUNC button twice The symbols of Harmonic and NO will be shown in LCD The n th order 1 to 99 will be shown in front of the reading of the percentage of the voltage Press the A or W button to incremeni or decrement the order of harmonics in front of the reading The number will roll over when the maximum 99 or minimum 1 is reached 15 PLHS760 28 09 2012 3 2 5 Total Harmonic Distortion THD F ae THO miT JER a Set the rotary switch at position V Then select the correct fundamental frequency by moving the sliding switch at the side of the tester b Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured c Press the FUNC button three times The symbols of THD and will be shown in LCD The total harmonic distortion in percentage with respect to the fundamental frequency 50 or 60
5. be displayed NOTE Whenever the rotary switch is set at a new position the CT ratio and fundamental frequency will be displayed first NOTE Ifthe CT ratio is not 1 a symbol of CT will be shown in the LCD display for the measurement of W mA or W A AAA HH HAA H HH RE BEE A 17 3 3 1 Single Phase AC Watt PAMA TUTULI a Connect the test leads to the voftage source in parallel with the load b Clamp on one of the wire to the load The current should flow from the front of the tester to the side of the battery cover c Select proper Watt range W mA or W A d Read the value shown on LCD in mW W or KW The unit of watt is automatically scaled 3 3 2 Apparent Power VA KVA and Reactive Power VAR KVAR EDERE A LY LY a Connect the test leads to the voltage source in parallel with the load b Clamp on one of the wire to the load The current should flow from the front of the tester to the side of the battery cover c Select proper Watt range W mA or W A d The value of mW W or KW will be displayed in LCD The unit of watt is automatically scaled e Press the FUNC button once to display VA or KVA The unit is automatically scaled f Press the FUNC button twice to display VAR or KVAR 18 The unit is automatically scaled 3 3 3 Power Factor PF and Phase Angle u aaa BG HI Og EDE HH a Connect the test leads to the vol
6. fundamental frequency by moving the sliding order of harmonics in front of the reading The number switch at the side of the tester will roll over when the maximum 99 or minimum 1 is b Press the trigger to open the jaw and fully enclose the reached conductor to be measured 3 1 4 Harmonics of AC Current in Percentage c Press the FUNC button three times The symbols of i y z j THD and will be shown in LCD The total harmonic o of distortion in percentage with respect to the fundamental frequency 50 or 60 Hz will be measured and displayed THD F J V2 V32 V49 V50 V1 100 r Dd Where Ps ee EN a J V1 magnitude at the fundamental frequency a Set the rotary switch at the position of mA or A V2 magnitude at the second harmonics depending on the range of AC current Then seled the correct fundamental frequency by moving the sliding V50 magnitude at the 50 th harmonics switch at the side of the tester NOTE In the measurement of THD the response to the button b Press the trigger to open the jaw and fully endose the or switch operation becomes slow due to heavy math calculation conductor to be measured 10 11 PLH5760 28 09 2012 3 1 6 Crest Factor C F a i ai LU a Set the rotary switch at the position of mA or A depending on the range of AC current Then select the right frequency by moving the sliding switch at the side of the tester b Press the t
7. the side of the battery cover c Select proper Watt range W mA or W A d The value of mW W or KW will be displayed in LCD The unit of watt is automatically scaled e Press the FUNC button six times A character of H is displayed in front of reading to indicate energy mWH 20 WH or KWH The energy is displayed in 6 digits Four large digits and two small digits The energy will be reset to zero at the beginning when this function is selected 3 4 Measurement of the Balanced 3 Phase AC Power Quality oo TORO CRG LOO GD w a Connect the black test lead to the voltage L3 and connect the red test lead to L1 b Clamp on one of the wire to L2 The current should flow from the front of the tester to the side of the battery cover c Select proper Watt range W mA or W A d Press the A button to select balanced 3f A symbol of 3f will be shown in LCD e The value of mW W or KW will be displayed in LCD The unit of watt is automatically scaled NOTE Users can also obtain the measurements of VA VAR PF Phase Angle HP and energy WH for balanced 3f power system The operations are the same as the measurements for the single phase power system 21 3 5 Measurement of the Balanced 3 Phase Sequence m n ana o A a Phase MECHO Noe e a Hold the W button and then turn the power on Set the rotary swit
8. 11 20 2 of reading 1 21 50 5 of reading 1 51 99 35 of reading 1 Harmonics of AC Voltage in Magnitude 1 to 99 order minimum voltage at 50 or 60 Hz is greater than AC 80V 0 2 of reading 7dgts 11 20 2 of reading 7dgts 21 50 5 of reading 7dgts 51 9g 35 of reading 7dgts 26 Harmonics of AC Current in Percentage 1 to 99 order minimum current at 50 or 60 Hz is greater than 100mA for mA range and greater than 1A for A range If the current is 0 at 50 or 60 Hz all the percentage display is 0 21 50 A range 5 of reading 1 10 of reading 21 35 of reading 1 Harmonics of AC Current in Magnitude 1 to 99 order minimum voltage at 50 or 60 Hz is greater than AC 80V 0 2 of reading 7dgts 2 of reading 7dgts 5 of reading 7dgts 10 of reading 7dgts 35 of reading 7dgts 21 50 A range 21 50 mA range Power Factor PF ACV gt 4V AC mA gt 1mA AC A gt 0 04A Watt gt 50digits 0 000 1 000 0 001 0 04 PLH5760 28 09 2012 Phase Angle u Accuracy 22 22 Total Harmonic Distortion THD F with respect to the funda mental frequency min value at 50 or 60 Hz is greater than AC 80V greater than 1A for A range and greater than 100mA for mA range Calculation is done over 1 to 50 Harrnonics If the voltage or current is O at 50 or 60 Hz all the percentage display is 0 Accuracy 2 20 0 100 3 of reading
9. Hz will be measured and displayed THD F V2 4 V3 4 V4974 V502 V1 100 Where V1 magnitude at the fundamental frequency V2 magnitude at the second hamonics V50 magnitude at the 50 th harmonics NOTE In the measurement of THD the response to the button or switch operation becomes slow due to heavy math calculation 3 2 6 Crest Factor C F m f LUU a Set the rotary switch at position V Then select the correct fundamental frequency by moving the sliding switch at 16 the side of the tester b Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured c Press the FUNC button four times The symbols of C F will be shown in LCD The crest factor C F will be measured and displayed The crest factor CF is defined as following C F Crest Factor Peak Value RMS Value 3 3 Measurement of Single Phase AC Power Quality NOTE 1 Select the correct fundamental frequency of current and voltage by moving the sliding switch at the side of the tester 2 Select the proper position of the rotary switch for the range of current If the AC current is less than 0 6A then set the rotary switch at the position of W mA If the AC current is greater than 0 6A then set the rotary switch at the position of W A 3 Ifthe peak value of the input AC current is greater than the maximum value of the range then symbol of OL will
10. Jaw Assembly This is used to pick up current signal To measure AC current or Power Watt the jaw must enclose conductor completely 2 Transformer Trigger Press the trigger to open the jaw 3 Rotary Switch This is used to turn the power on and select measurement of current voltage or power 4 MAX MIN HOLD PEAK and Button In the measurement of mA A or V press this button to perform function of MAXIMUM MINIMUM HOLD amp PEAK It is also used to decrement the order of harmonics or CT ratio If this button is hold when turning on power the tester can perform measurement of phase sequence instead of phase angle in the balanced 3f power system 5 A3f Button This button is used to increment order of harmonics or CT ratio When the rotary switch is set at W mA or W A position press this button to select measurement of balanced 3f power instead of single phase power 5 6 FUNC Button In the measurement of mA A or V press this button to select function of harmonics THD F or CF In the measurement of W mA or W A press this button to select function of VA VAR PF phase angle HP or energy KWH 7 LCD This is a 4 2 2 digit Liquid Crystal Display Function symbols units sign decimal points low battery symbols max min symbols peak and harmonic symbols are induded 8 9 10 12 Those are symbols of selected functions such as Hamonic PEAK MAX MIN or HOLD 11 Primary Digits The primary digits display the value of me
11. Lift and remove the battery comparlment L D Remove the old batteries Insert two new 1 5V SUM 3 batteries i we kk wl ew Oe a F Place the battery compartment and secure the screw 8 Maintenance amp Cleaning gt Servicing not covered in this manual should only be performed by qualified personnel Repairs should only be performed by p qualified personnel Periodically wipe the case with a damp doth and detergent do not use abrasives or solvents e uk ao WO S o e at w E oe a o a o w o e o a e a ooe a o o o a o a 0 E E ES 31 PLHS5760 28 09 2012
12. MECO Certificate of Calibration We hereby certify that this product has been calibrated and found to be in accordance with the applicable SPECIFICATIONS and STANDARDS Accuracies of the standard equipment used in this calibration are traceable to the National Standards MECO METERS PVT LTD Plot No EL 60 MIDC Electronic Zone TTC Industrial Area Mahape Navi Mumbai 400710 INDIA Tel 0091 22 27673311 16 27673300 Board Fax 0091 22 27673310 27673330 E mail sales mecoinst com Web www mecoinst com SR NO CHECKED BY DATE MODEL NO POWER HARMONICS AND LEAKAGE TESTER MODEL PLH5760 USER MANUAL EN 61010 2 032 CE CAT Il 600V CAT Ill 300V Pollution Degree 2 Definition of Symbols VAN Caution Refer to Accompanying Documents AN Caution Risk of Electric Shock E Double Insulation Over voltage Category CAT I Equipment for connection to circuits in which measures are taken to limit the transient over voltages to an appropriate low level Over voltage Category II CAT Il Energy consuming equipment to be supplied from the fixed installation Over voltage Category Ill CAT Ill Equipment in fixed installations WARNING If the clamp meter is used in a manner Not specified by the manufacturer the protection provided by the clamp meter may be impaired TABLE OF CONTENTS k FEATURES istic siccscessdcccdeccteetecsnaaceeaucneescentasitexsxccteeteceiesan
13. asurement such as voltage current or power 13 Symbols of Units These are symbols of Current voltage and power There are two digits used to display the fundamental frequency 50 or 60 Hz 14 V Input Terminal This terminal is used as input for voltage and power measurements 15 COM Terminal This terminal is used as common reference input 16 Hand Strap Put your hand through the hole of hand strap to avoid accidental drop of the clamp meter 18 Sliding Switch Users should select the correct fundamental frequency 50 60 Hz by moving the sliding switch to a correct position 3 OPERATING INSTRUCTIONS 3 1 Measurement of AC mA and A NOTE 1 Select the correct fundamental frequency of current by moving the sliding switch at the side of the tester 2 Select the proper position of the rotary switch for the range of current If the AC current is less than 0 6A then set the rotary switch at the position of mA If the AC current is greater than 0 6A then set the rotary switch at the position of A 3 If the peak value of the input AC current is greater than the maximum value of the range then symbol of OL will be displayed NOTE Whenever the rotary switch is set at a new position the CT ratio and fundamental frequency will be displayed first WARNING If the unit clamps on to a load current about twice the range the unit not only display OL but also display Low Battery NOTE If the CT ratio is not 1 a
14. ch at the W mA or W A position b Connect the black test lead to the voltage L3 and connect the red test lead to L1 22 c Clamp on to the wire of L2 The current should flow from the front of the tester to the side of the battery cover d Press the A button to select 3 phase power system A symbol of 3f will be shown in LCD e Press the FUNC button to select phase angle function The LCD will show L123 to indicate the clockwise sequence Or the LCD will show L132 to indicate counter clockwise sequence 4 Set the CT Ratio To set the CT ratio hold the FUNC button and then turn the power on A symbol of CT will be shown in LCD The default value of CT is 1 To change the CT ratio users can press the A or V button to increment or decrement the value by 1 Holding the A or V button will speed up the process of incrementing or decrementing To exit the setting of CT ratio press the FUNC button 5 Disable AUTO POWER OFF The tester has an auto power off function The tester will turn the power off after power is turned on for 30 minutes To disable the auto power off function hold the FUNC button for more than 2 seconds A beep sound will be heard to indicate that the auto power off function is disabled 23 PLH5760 28 09 2012 6 Specifications 23 C 5 C AC Waitt 50 or 60 Hz PF 0 6 to 1 CT 1 Voltage is greater than AC 4V Current is greater than AC 1mA for mA range and Current is greater than AC 0 04A f
15. etenes 3 Il PANEL DESCRIPTION 0 ccccccsseeeeeeeeeeseeeseeseeeees 4 ll OPEATING INSTRUCTIONS ccccceseeeseeeeeeees 6 lll 1 Measurement of AC MA amp A cccccccsssseeeeeeeeeeeeesaesseseeeeeeess 6 lll 1 1 True RMS value of AC Current cccccccccees 7 lll 1 2 HOLD MAX MIN and PEAK of AC Current 8 ll 1 3 Harmonics of AC Current in Magnitude mA amp A 9 lll 1 4 Harmonics of AC Current in Percentage 9 ll 1 5 Total Harmonic Distortion THD F 10 lll 1 6 Crest Factor C F ccccccssssssseeeeeeseesseesssseeeeeeeeees 11 Il 2 Measurement of AC Voltage ccecceeeeeeeeeeeeeeeeeeeeeees 11 lll 2 1 True RMS value of AC Voltage cee 12 lll 2 2 HOLD MAX MIN and PEAK value of AC Voltage13 lll 2 3 Harmonics of AC Voltage in Magnitude V 13 lll 2 4 Harmonics of AC Voltage in Percentage 14 lll 2 5 Total Harmonics Distortion THD F 15 2 6 Crest Factor GF sonsonensis 15 Ill 3 Measurement of Single Phase AC Power Quality 16 Il 3 1 Single Phase AC Watt 17 IIl 3 2 Apparent Power VA KVA and Reactive Power VAR KVAR ceceeeeeeees 17 IIl 3 3 Phase Angle PF amp Phase Angle u 06 18 lll 3 4 Horse Power H P scsesstenctsccecseeccar a eceteanaeoets 19 ll 3 5 Energy mWH WH or KWH ctosisccusescanccnmoreeaennunens 19 lll 4 Measure
16. ment ot the Balanced 3 Phase AC Power RAN e 20 lll 5 Measurement of the Balanced 3 Phase Sequence 21 IV SET THE CT RATIO wcscccrsanssisccosncarersnsternwasactaccossneterdreaees 22 V DISABLE AUTO POWER OFF ccccsssssssssssseeeeeeeees 22 VI SPECIFICATIONS 23 C 5 C ccsscsssssssssssssssssssssssseesses 23 VII BATTERY REPLACEMENT cccccccccsssstsesteees 30 VIII MAINTENANCE amp CLEANING ccccccssssssssseeeeeeeeeens 30 3 PLHS5760 28 09 2012 1 FEATURES a Active W KW HP reactive VAR KVAR and apparent VA KVA power b Power factor PF phase angle u and energy MWH WH KWH c Measurement of standby power consumption for IT products d Non interrupted AC current harmonic analysis e 1 to 99th order of harmonics at 1 0 basic accuracy f Total harmonic distortion THD F and crest factor CF g True RMS measurement of V and A at 0 5 basic accuracy h Fast peak function 39ms for 50 Hz 33ms for 60Hz i Resistance and Continuity with Beeper Measurement of balanced 3f power j Measurement of balanced 3f sequence k Programmable CT ratio from 1 to 250 Max Min and data hold functions m Leakage current measurement at 10mA resulation n Active power in H P o Auto power off function in 30 minutes p Shielded Jaw immune to external interference 2 PANEL DESCRIPTION D O 0000 1 Transformer
17. or A range Specification applies to continuous waveforms Accuracy 0 to 60A For CTT 1 the accuracy in percentage is the same 2 But the additional wattage should be multiplied by the CT ratio For example 0 025W becomes 0 025W CT ratio 24 Accuracy 60 100A 2For CTf 1 the accuracy in percentage is the same 2 But the additional digits should be multiplied by the CT ratio For example 5 digits becomes 5 digits CT ratio Range of CT Ratio 1 to 250 H P Horse Power 1 H P 746 W VA from 0 000VA to 9999 AC Apparent Power KVA VA Vr m s x Ar m s AC Reactive Power VAR from 0 000 VAR to 9999 KVAR VAR N VA W AC Active Energy mWH WH or KWH from 0 mWH to 999 999 KWH WH W Time in hours AC Current 50 or 60 Hz Auto Range True RMS Crest Factor lt 4 CT 1 Overload Protection AC 600A 3 For CTf 1 the accuracy in percentage is the same 0 5 But the additional digits should be multiplied by the CT ratio For example 5digits becomes 5digits CT ratio AC Voltage 50 or 60 Hz Auto Range True RMS Crest Factor lt 4 Input Impedance 10 MV Overload Protection AC 800V Accuracy of Readings 5V 250 V 0 5 5dgts 250V 600 V 0 5 5dgts Harmonics of AC Voltage in Percentage 1 to 99 order minimum voltage at 50 or 60 Hz is greater than AC 80V If the voltage is O at 50 or 60 Hz all the percentage display is 0 0 2 of reading 21
18. rigger to open the jaw and fully enclose the conductor to be measured c Press the FUNC button four times The symbols of C F will be shown in LCD The crest factor C F will be measured and displayed The crest factor CF is defined as following C F peak value RMS value 3 2 Measurement of AC Voltage NOTE 1 Select the correct fundamental frequency of voltage by moving the sliding switch at the side of the tester 2 If the peak value of the input AC voltage is greater than the maximum value of the range then symbol of OL will be displayed NOTE Whenever the rotary switch is set at a new position the CT ratio and fundamental frequency will be displayed first NOTE If the CT ratio is not 1 a symbol of CT will be shown in the LCD display WARNING Maximum input for ACV is 600 Do not attempt to take any voltage measurement that exceeds the limits Exceeding the limits could cause electrical shock and damage to the clamp meter 12 XQ 3 2 1 True RMS value of AC Voltage root OM y Set the rotary switch at position V Then select the correct fundamental frequency by moving the sliding switch at the side of the tester Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured Read the measured RMS value from the LCD display 13 3 2 2 HOLD MAX MIN and PEAK value of AC Voltage Pk MAXMIN
19. symbol of CT will be shown in the LCD display for the measurement of mA or A The reading of current shown in LCD is equal to the true RMS value measured by the tester multiplied by CT ratio A Agus X CT PLH5760 28 09 2012 WARNING Make sure that all the test leads are disconnected from the meter s terminals for current measurement 3 1 1 True RMS value of AC Current 3 1 2 d Torun ogg g A Set the rotary switch at mA or A depending on the range of AC current Then select the correct frequency by moving the sliding switch at the side of the tester Press the trigger to open the jaw ard fully enclose the conductor to be measured The measured value from the LCD display HOLD MAX MIN and PEAK of AC Current Pk MAXMNEI EDETEN LLY LY LL a Set the rotary switch at mA or A depending on the range of AC current Then select the correct frequency by moving the sliding switch at the side of the tester Press the trigger to open the jaw ard fully enclose the conductor to be measured The measured value from the LCD display If the V button is pressed the symbol of HOLD MAX MIN or PEAK will be shown in LCD alternatively And the value of the HOLD MAX MIN or PEAK function will be displayed in LCD alternatively To return to the display of current measurement hold the VY button for more than 2 seconds
20. tage source in parallel with the load b Clamp on one of the wire to the load The current should flow from the front of the tester to the side of the battery cover c Select proper Watt range W mA or W A d The value of mW W or KW will be displayed in LCD The unit af watt is automatically scaled e Press the FUNC button three times to display PF from 0 000 to 1 000 f Press the FUNC button four times to display phase angle u from 180 to 180 NOTE To display phase angle u from 0 to 360 hold the A button then turn the power on Once the tester is turned on in this way the tester will display phase angle from 0O to 360 when phase angle function is selected A 19 PLHS5760 28 09 2012 3 3 4 Horse Power H P OR UOT LOLLY eg Lg a Connect the test leads to the voltage source in parallel with the load b Clamp on one of the wire to the load The current should flow from the front of the tester to the side of the battery cover c Select proper Watt range W mA or W A d The value of mW W or KW will be displayed in LCD The unit of watt is automatically scaled e Press the FUNC button five times to display power in the unit of HP 3 3 5 Energy mWH WH or KWH BORDENE 0 06 09 OLE a Connect the test leads to the voltage source in parallel with the load b Clamp on one of the wire to the load The current should flow from the front of the tester to
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