User Manual Power and Harmonics Analyzer Model PQ3350
Contents
1. 21 DowloadHarmonicsDat tne ntnto nenne 27 Clear Memory of D la etc ete m t e deeds 27 HardCOPY of SCREEN seen se salsa sallanan le yi 28 READ the SAVED SCREEN neninn iaaa e i S 29 SET THE CT AND VT PT RATIO sees Eeer E ENE 30 SET THE TIME INTERVAL FOR MAXIMUM DEMAND 3l SET THE SAMPLING TIME FOR DATA LOGGING eere 32 SET THE CALENDER CLOCK e sese aseye ie ttt tien 33 PROTOCOL RS 232CINTERFACE eee 33 SPECIFICATIONS 23 C S G lala a anlamli 34 3 PQ3350 V52 11 10 FEATURES Analysis for SPAW 3P3W 1P2W 1P3W True RMS value Viz and l2 Active Power W KW MW GW Apparent and Reactive Power KVA KVAR Power Factor PF Phase Angle D Energy WH KWH KVARH PFH Current measurement from 0 1mA to 3000A capable of analyzing IT standby power consumption to the maximum demand of a factory Display of 35 Parameters in One Screen 3PAW Programmable CT 1 to 600 and PT 1 to 3000 Ratios Display of Overlapped Voltage and Current Waveform Maximum Demand MD KW MW KVA MVA with Programmable Period Harmonic Analysis V123 and h23 to the 99 Order Display of 50 Harmonics in one Screen with Waveform Display of Waveform with Peak Values 1024 Samples Period Analysis of Total Harmonic Distortion THD F Graphic Phase Diagram with 3 Phase System Parameters Capture 28 Transien2. 1 1 4 4 5 1 1 1 1 E Od V2 u23 1 d a 50 0 Sdz UC ER ERE UT 1SEC Voltage Source Unbalance Press this button to display the phase diagram The voltage and current signals are displayed in phase format magnitude angle M gt ram T E c n z a 31 R 32 F 4 20 PQ3350 V5 2 11 10 V1 is the reference The V1 angle is always 0 degrees The phase angles of V2 V3 11 I2 and I3 are displayed with respect to V1 V1 V2 V3 I1 I2 I3 V12 V23 and V31 are displayed in vector form graphically V1 V2 V3 Phase voltages in phase format with respect to V1 11 12 I3 Line currents in phase format with respect to V1 IVn Calculated voltage and current of the neutral with respect to ground V12 V23 V31 Line voltage in phase format with respect to V1 Ave Average of line voltage V12 V23 and V31 and line current I1 I2 and I3 dV Historical maximum value of Max V1 V2 V3 Min V1 V2 V3 Min V1 V2 V3 100 VUR Voltage Unbalanced Ratio d02 The first number is Zero Sequence Unbalanced Ratio in 96 dO of voltage the second number is the Negative Sequence Unbalanced Ratio in d2 of voltage When VUR is displayed before d02 d02 represents the Zero and Negative Sequence Unbalanced Ratios for voltage REF nominal voltage for transient detection reference Sd threshold in for transient detection with respect to nominal voltage REF NOTE The phase is drawn on
3. and Minute 2 Pressthe A or to increment or decrement the number Note The seconds field cannot be adjusted PROTOCOL RS 232C INTERFACE RS 232C Interface Baud Rate 19200 Data bits 8 Stop bit 1 No Parity 33 PQ3350 V5 2 11 10 SPECIFICATIONS 23 C 5 C AC Watt 50 or 60 Hz PF 0 5 to 1 CT 1 Voltage AC 20V Current AC 40mA for 1A range Current AC 0 4A for 10A range Current AC 4A for 100A range and continuous waveform Model PQ3350 PQ3110 100A 175 08W EZER 10 00 99 99 KW 0 01 KW 1 80W 100 0 999 9 KW H 08KW 1000 9999 KW 1 8KW 50 or 60 Hz PF 0 5 to 1 CT 1 Voltage gt AC 20V Current gt AC 4A for 100A range Current gt AC 40A for 1000A and continuous waveform Model PQ3350 PQ3120 1000A 195 80W FIR 08KW 300 9X9KW 1KW RW 196 5 80KW 50 or 60 Hz PF 0 5 to 1 CT 1 Voltage gt AC 5V Current gt AC 5A for A range and continuous waveform Conductor is located at the center of flexible loop Position sensitivity is 2 of range External field effect of lt 40A m and 200mm from the coupling is 1 of range Temperature coefficient is 0 02 of reading C Model PQ3350 PQ3220 PQ3210 3000A 1200A Range 0 to Resolution 3000A 1200A 123 For CT 1 the accuracy in percentage is the same 4194 But the additional digits should be multiplied by the CT ratio 34 PQ3350 V5 2 11 10 For example 0 8W becomes 0
4. 8 Software CD x 1 Software users manual x 1 USB to RS232 cable x 1 Model PQ3120 1000A Current Probe Conductor Size Range Selection Dimensions Weight Operating Temperature Operating Humidity Altitude Storage Temperature Storage Humidity 2 2 55mm 2 5 x 1 0 64 x 24mm bus bar Manual 10A 100A 1000A 244mm L x 97mm W x 46mm H 9 6 L x 3 8 W x 1 8 H 1 3 lbs 6009 14 to 122 F 10 C to 50 C lt 85 relative humidity lt 2000 meters 4 to 140 F 20 C to 60 C lt 75 relative PQ3110 100A Current Probe Conductor Size Range Selection Dimensions Weight Operating Temperature Operating Humidity Altitude Storage Temperature Storage Humidity 1 2 30mm approx Manual 1A 10A 100A 210mm L x 62mm W x 36mm H 8 3 L x 25 W x 1 4 H 7 oz 2009 14 to 122 F 10 C to 50 C lt 85 relative humidity 2000 meters 4to 140 F 20 C to 60 C lt 75 relative 41 PQ3350 V5 2 11 10 Model PQ3220 3000A Flexible Current Probe Probe Length 24 610mm Range Selection Manual 300A 3000A Minimum Bending Diameter 1 37 35mm Connector Diameter 0 9 23mm Cable Diameter 0 55 14mm Cable Length 67A 700mm probe to box 67 70mm box to output Dimensions box 54 D x 31 W x 1 7 H 130mm L x 80mm W x 43mm H Weight 14 4 oz 4109 Operating Temperature 14 to 122 F 10 C to 50 C Operating Humidit
5. L or H 18 PQ3350 V5 2 11 10 Measurement of Maximum Demand 1 Setthetime interval for maximum demand refer to section V 2 Theanalyzer will integrate the KW and KVA over the specified interval 3 Themaximum demand MD updates if new demand is greater than the previous value In the following example the maximum demand is 527 4VA and 527 4W The time interval for maximum demand is 2 minutes sal mA 8 3 VAR B B VAR RE Press this button to display the waveforms for voltage and current simultaneousiy 1e 3e Press this to select different inputs V1 I1 V2 I2 or V3 I3 NOTE The triggering point is the zero crossing point of V1 for V2 V3 I2 and I3 The triggering point for 11 is its own zero crossing point in case V1 is not present NOTE In the waveform display mode one period cycle of 1024 data points is displayed 19 PQ3350 V5 2 11 10 Waveform for Voltage Only Press this button to display the voltage waveform only The true RMS value of voltage will ES be displayed at the bottom of the LCD 1e 3e Press this button to select V1 V2 or V3 2512 gt 3 NOTE The triggering point is the zero crossing point of V1 for V2 and V3 NOTE In the waveform mode one period cycle of 1024 data points is displayed Graphic Phase Diagram COO LP INDUC BLA OG pe 2333 NNCCCCDPPDPCCC Ea 4 e nee E Co DIS 000 Cn P anan Nr ie OR WOO 0G CODO 1
6. Mixed models and different ranges selected will cause incorrect result of measurement 1 Jaw Assembly 2 Trigger 3 Range Selector 4 6pin mini DIN connector NOTE To choose the 100A current probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the A or W button to select 100 Current Probe 1000A E N 1 Jaw Assembly 2 Trigger 3 Range Selector tH 4 6pin mini DIN connector S p NOTE To select the1000A current probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the A or W button to select 1000 8 PQ3350 V5 2 11 10 Flexible Current Probe 3000A or 1200A Control Box Output Range Select Switch Flexible Loop A EN gt Coupling Assembly Morte NOTE To select the 3000A flexible current probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the A or W button to select 3000 NOTE To select the 1200A flexible current probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the A or W button to select 1200 WARNING All the current probes connected to the power analyzer must be of the same model and same range Mixed models and different ranges will yield incorrect measurement results 9 PQ3350 V5 2 11 10 OPERATING INSTRUCTIONS NOTE Pay special attention to the flexi
7. press the 24 PQ3350 V5 2 11 10 EXIT button Press the TRANSIENT button to start the Transient Capture The backlight will switch off when the TRANSIENT button is pressed If the analyzer captures any transient events DIP SWELL or OUTAGE the backlight will switch on Press the TRANSIENT button to review the recorded TRANSIENT events 9 To exit TRANSIENT CAPTURE press the EXIT TRANSIENT button Definition of SWELL DIP and OUTAGE SWELL Vnus gt Vre Vre SD Code for SWELL 1 If the true RMS value of either phase V1 V2 or V3 rises above the nominal value plus the threshold REF SD it is regarded as SWELL Code for SWELL is 1 DIP Vavs lt Vrer Vrer SD Code for DIP 2 If the true RMS value of either phase V1 V2 or V3 falls below the nominal value plus the threshold it is regarded as DIP The code for DIP is 2 OUTAGE Vnus lt 30 to 40V Code for OUTAGE 4 If the true RMS value of either phase is less than 30 to 40V it is regarded as OUTAGE The code for OUTAGE is 4 Code Table SWELL DIP OUTAGE COMMENT CODE 1 2 4 Codes can be added together DISPLAY FORMAT First column Sequential number of events Second column Elapsed time the elapsed time format is DAYS HOURS MINUTES 99 days 24 hours 60 minutes max The third column Number of cycles The fourth column Code of transient events There can be more than o
8. 5 2 11 10 NOMENCLATURE V12 V23 V31 Line Voltage V1 V2 V3 Phase Voltage I1 12 13 Line Current P1 P2 P3 True Power W of Each Phase S1 S2 S3 Apparent VA Power of Each Phase Q1 Q2 Q3 Reactive Power VAR of Each Phase Pz Total System Power W S2 Total System Apparent Power VA Q Total Reactive Power VAR PF Total System Power Factor PF PF1 PF2 PF3 Power Factor of Each Phase PFH Long Term Average Power Factor WH SH 1 02 3 Phase Angle of Each Phase WH Watt Hours SH VA hours QH VAR hours HZ Selected Frequency 50 60 or Auto MD Maximum Demand in W and VA over Specified Interval 3P4W 3 Phase 4 Wire System 3P3W 3 Phase 3 Wire System 1P2W Single Phase 2 Wire System 1P3W Single Phase 3 Wire System SEC sampling interval 0 to 3000 seconds for data logging CT Current Transformer Ratio from 1 to 600 VT Voltage Transformer Ratio from 1 to 3000 44 PQ3350 V5 2 11 10 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to retum the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued be
9. 85 logging data REC DATE shows the starting logging time of the 1 downloaded file Hz set up the frequency 50 60 or AUTO of the system PT set up PT value CT set up CT value SEC set up the interval seconds of logged data CLAMP set up the clamps selected 100A 1000A or 3000A MD TIME set up the time of Maximum Demand 1 60 minutes TRANS REF set up the transient voltage which will be automatically changed in accordance with PT SDVP set up upper and lower limits of transient voltage detection YEAR Set up year of calendar clock MONTH Set up month of calendar clock DATE Set up date of calendar clock HOUR Set up hour of calendar clock MINUTE Set up minute of calendar clock SECOND Second can be displayed only it can not be adjusted 11 PQ3350 V5 2 11 10 Power Quality of a 3 Phase 4 Wire 3PAW System f 3 4W Tum the power on Press the POWER and the 13 buttons to select the SPAW system The type of system will be displayed at the left bottom comer in the LCD Connect the four test leads to the voltage terminals V1 V2 V3 and the Vy Neutral of the system Connect the test leads to L1 L2 and L3 of the 3P4W system Connect the three current probes to the power analyzer input terminal I1 12 and 13 Clamp on to the L1 L2 and L3 of the 3P4W system Make sure the current flows from the front of the current probe to the back All of t
10. 8W CT ratio Range of CT Current Transformer Ratio 1 to 600 AC Apparent Power VA from 0 000VA to 9999 KVA VA V r m s x Ar m s AC Reactive Power VAR from 0 000 VAR to 9999 KVAR VAR V 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 4 CT 1 Model PQ3350 PQ3110 Overload Protection AC 200A Accuracy of Readings 0 04 1A 0 001 A 10 596 0 05A Model PQ3350 PQ3120 Overload Protection AC 2000A moa 1 ooma O Model PQ3350 PQ3220 Overload Protection AC 3000A Model PQ3350 PQ3210 Overload Protection AC 1200A Accuracy of Readings 0 120 0A 1 of range 120 0 1200A 0 1A 1A 1 of range 45 6 For CT 1 the accuracy in percentage is the same 40 594 But the additional digits should be multiplied by the CT ratio For example 0 5A becomes 0 5A CT ratio 35 PQ3350 V5 2 11 10 AC Voltage 50 or 60 Hz Auto Range True RMS Crest Factor 4 Input Impedance 10 MO VT PT 1 Overload Protection AC 800V Range Accuracy of Readings 20 0 V 600 0 V Phase to Phase 20 0 V 500 0 V Phase to Neutral 40 596 5dgts 0 5 5Sdgts For VT PT 1 the accuracy in percentage is the same 40 590 But the additional digits should be multiplied by the VT ratio For example 5 digits becomes 5 digits VT PT ratio Harmonics of AC Voltage in Percentage 1 to
11. 99 order minimum voltage at the 50 or 60 Hz gt AC 80V If the voltage is 0 at 50 or 60 Hz all the percentage 96 display is O 2x 21 49 0 196 4 of reading 2 0 50 99 6 of reading 2 0 Harmonics of AC Voltage in Magnitude 1 to 99 order minimum voltage at the 50 or 60 Hz gt AC 80V VT 1 01V Harmonics of AC Current in Percentage 1 to 99 order Min current at 50 or 60 Hz is model PQ3350 PQ3110 gt 10 of the range model PQ3350 PQ3120 gt 20A model PQ3350 PQ3220 PQ3210 gt 30A If the current is O at 50 or 60 Hz all the percentage 96 display is 0 Model PQ3350 PQ3110 eap 1 cime 7 CES 0 196 21 50 Arange 5 of reading 196 21 50 mArange 10 of reading 196 51 99 35 of reading 1 36 PQ3350 V5 2 11 10 Model PQ3350 PQ3120 1 20 2 01 Model PQ3350 PQ3220 PQ3210 Harmonics of AC Current in Magnitude 1 to 99 order Min current at the 50 or 60 Hz model PQ3350 PQ3110 gt 10 of the range model PQ3350 PQ3120 gt 20A CT 1 Model PQ3350 PQ3110 EZA O 32960freading 7dgts o 7dgls 21 50 Arange es 21 50 Arage 0 1mA 0 1A 5 o0freading 7dgts o 21 50 mA range O zl0 6ofreading dgts B51 99 7 O 35 of reading 7dgis Model ode EQUIS ROSE 20 1 20 H 4 0freading 0 4A 304A 50 99 O 6 of reading 0 4A to 99 order min current at the 50 or 60 Hz True RMS 300A Mode
12. I button to select the desired input V1 I1 V2 12 V3 or I3 Press the REC button to start data logging A REC symbol will be displayed at the bottom of the LCD To stop data logging press the REC button again WARNING If there is no input at V1 the sampling rate could be longer than the programmed value a PEN Down Load Harmonics Data Harmonics Data File Number Total File Number li 15 16 8 uU Hour Minute 5 13 Press the SETUP button Down Load File will be shown in reverse video Press the A or W button to select the file number If the data stored in a selected file is harmonics data a leading symbol H will precede the file name Press the EXIT button When the unit receives a CTRL D command through the RS 232C port it will down load previously a PEN gt saved harmonic data NOTE In the setup mode the unit will not accept any commands through the RS 232C port To down load data press the EXIT button to retum to normal measurement mode Clear Memory of Data To clear all data memory of the unit hold the REC button and tum the power on 27 PQ3350 V5 2 11 10 HardCOPY of SCREEN 1 UT 1 5 File Number 1 Press the HOLD button 2 Pressthe REQ button It takes a few seconds to hardcopy the screen and store the screen in an internal file The LCD will show REC in reverse video when in operation The number fo
13. LES CODE 03 ELAPSED_TIME CYCLES CODE 04 ELAPSED_TIME CYCLES CODE Datalogging Power Data 3PAW 3P3W 1P2W 1P3W Setthe datalogger sampling time rate Press the POWER button to enter the power measurement mode Press the 93 button to select the appropriate system 3PAW 3P3W 1P3W or 1P2W Press the REC button to start logging A REC symbol will display To stop logging press the IREC button again a PEN gt NOTE To download data send a CTRL D command to the analyzer through RS 232C interface WARNING The sampling time could be longer than the set value if there is no input at V1 Down Load Power Data Power Data File Number Total File Number Press the SETUP button Down Load File will be shown in reverse video Press the A or W button to select the file number If the data stored in a selected file is power data a leading symbol P will precede the file name Press the EXIT button When a CTRL D command is received through the RS 232C port it downloads stored power data NOTE In the setup mode the unit will not accept commands through the RS 232C port To down load data press the EXIT button to return to normal measurement mode a PEN gt 26 PQ3350 V52 11 10 Data Logging Harmonics Data 1 Setthe sampling time rate for data logging Press the HARMO button to enter the harmonics measurement mode Press the V
14. User Manual EXT INSTRUMENTS A FLIR COMPANY Power and Harmonics Analyzer Model PQ3350 PQ3350 EN 61010 2 032 CAT III 600V Pollution Degree 2 Definition of Symbols AN Caution Refer to Accompanying Documents A Caution Risk of Electric Shock u Double Insulation Over voltage category III CAT III equipment in fixed installations WARNING If the power analyzer is used in a manner not specified by the manufacturer the protection provided by the clamp meter may be impaired A Please read the following instructions before use Do not operate this instrument in wet or dusty environments Do not operate this instrument in the presence of combustible or explosive gas Do not touch exposed metal parts or unused terminals Consider the use of rubber gloves in operation Do not operate in excess of AC 500V Phase to Neutral or AC 600V Phase to Phase on PA oO N Do not operate this instrument if it appears to be malfunctioning Do not use the flexible current probe before reading the following instructions 1 Donotinstall the flexible current probe around bare conductors carrying a voltage from 30V to 600V unless you are wearing protective clothing and glove suitable for high voltage work 2 Always inspect and check for any damage of the current probe assembly before usage Do not use the flexible current probe if any damage is found 3 Donotusethe flexible current probe on circuit rat
15. ble current probe connecions 1 Connect the flexible probe around the conductor 2 Make sure the current flowing direction is in consistent with the arrow marked on the probe coupling If the flexible current probe is connected in the right orientation the correct phase will be displayed in the oscilloscope 3 Keep the probe coupling more than 25mm away from the conductor WARNING Always wear appropriate gloves in operation NOTE Select the correct CLAMP in the SETUP menu When the current probe is connected to the power analyzer the power analyzer will automatically detect the range selected NOTE Select the correct frequency Hz in the SETUP menu 10 PQ3350 V5 2 11 10 Preparation for use Load File E o o A O oio 12 13 14 15 16 17 Press SETUP button to enter setup screen Press SETUP again to select the item for setting the selected item will be displayed in reverse video After selecting the item press A or V buttons to set up its value After finishing setting up press EXI button to leave setup mode Select the data for download H means harmonics H in reverse video means HOLD screen data if the data is the one you want you can press HOLD button to display the data and press HOLD button again to exit P means power data which can be a reference for downloading the data in order is 0 84 Shows the total logged data in the analyzer max
16. e Press SETUP to enter the SETUP menu Press SETUP several times until the CT symbol is highlighted Press the A or Wbutton to increment or decrement the RATIO specified by the CT 16 PQ3350 V5 2 11 10 Mb TIME 15 REF 118 8 U Es ate Minute 22 g Press the SETUP button several times until the VT symbol is highlighted h Press the A or Whutton to increment or decrement the RATIO specified by the VT i All 35 system parameters will be shown in the LCD For a description of each parameter refer to XIV NOMENCLATURE Harmonic Analysis of Voltage or Current 898 95 Ark E d 11 336 AD H t 184 Hz 0 0 H 39 84154 5 7 33 2 SEC 2 CT Distorted Current with Harmonics a Setup the analyzer for measurement of any power system 3PAW 3P3W 1P2W or 1P3W To view 17 PQ3350 V5 2 11 10 the harmonic analysis of voltage or current press the HARMO button b Oncethe HARMO button is pressed the waveform will be shown in the left hand portion of the LCD and the 1 to 50 order harmonics will be shown in the right hand portion of the LCD c The positive and negative peak values will be shown in the waveform Vpk d Thetrue RMS value amp total harmonic distortion of voltage or current is shown under the waveform e The cursor 1 arrow will point to the current order of harmonics The frequency HZ will be displayed next to the cursor The percentage of harmonics w
17. e the CT or VT PT is set the voltage and current readings are as follows CURRENT displayed CURRENT measured x CT Ratio VOLTAGE displayed VOLTAGE measured x VT Ratio 30 PQ3350 V5 2 11 10 SET THE TIME INTERVAL FOR MAXIMUM DEMAND E N z MP 168 HD TIME 15 T REF 110 6 U m BEA Month D Hour Minute 7 15 22 Press the SETUP button until MD TIME is displayed in reverse video Press the A or W button to increment or decrement the value by 1 Holding the A or W button will speed up the process of incrementing or decrementing To exit press the EXIT button The MD max demand time interval range is 1 to 60 minutes Once the time interval is set the unit will calculate the maximum demand and average demand in watts W or VA To toggle between W and VA press the POWER button 31 PQ3350 V5 2 11 10 SET THE SAMPLING TIME FOR DATA LOGGING o Bl 1 13 J 7 22 18 14 58 MP 188 TIME 15 amp REF 118 8 U Date Hour Minute 13 22 Press the SETUP button several times until SEC is displayed in reverse video Press the A or W button to increment or decrement the value by 2 Holding the A or W button will speed up the process of incrementing or decrementing To exit press the EXIT button 32 PQ3350 V5 2 11 10 SET THE CALENDER CLOCK MP3 TIME Minute Secon 1 Press the SETUP button to select Year Month Date Hour
18. ed higher than 600V in installation category Ill 2 PQ3350 V5 2 11 10 Table of Contents Preparation for USE RD 11 Power Quality of a 3 Phase 4 Wire 3PAW System sss 12 Power Quality of a 3 Phase 3 Wire 3P3W System sss 13 Power Quality of a Single Phase 1P2W System ses 14 Power Quality of a 1 Phase 3 Wire 1P3W System sse 15 Measurement of a System with CT or VT PT sees 16 Harmonic Analysis of Voltage or Current eee 17 Display the Phase Angle of Harmonics eene 18 Measurement of MaxikmumDemand 19 Waveform of Voltage and Current esee 19 WaveformforVoltageOnly tentent 20 Graphic Phase Diagram Jp RR OPERE ROBUR URS pall 20 Phase Sequence of a 3 Phase System eerte 22 Balanced and Unbalanced 3 Phase 3P3W 3P4W Power Source System 22 Balanced and Unbalanced 3 Phase 3P3W or 3P4W Load System 23 Transient Capture Dips Swells Outage eee 24 Down Load Transient Data eese EE tentent tne a 26 Datalogging Power Data 3PAW 3P3W 1P2W 1P3W sse 26 DowloadPowerData e 26 DataloggingHarmonicsData
19. ed on clamp probe e All ofthe parameters of the system will be shown in the LCD For a description of each parameter refer to XIV NOMENCLATURE 14 PQ3350 V5 2 11 10 Power Quality of a 1 Phase 3 Wire 1P3W System a Tum the power on Press the POWER and the 1634 buttons to select the 1P3W system The type of system will be displayed at the bottom right of the LCD b Connect the test leads to the voltage terminals L1 L2 and Vw Neutral of the system Connect the two current probes to the power analyzer input terminal 11 and I2 Clamp on to the L1 and L2 Make sure the current flows from the front of the current probe to the back e All ofthe system parameters will be shown in the LCD 175 4 WA WE 79 3 VAR 176 1 in 3 UA EEg 164 3 WAR 15 PQ3350 V5 2 11 10 Measurement of a System with CT or VT PT d e f Tum the power on Press the POWER and the 1 3d buttons to select the 3P4W system The type of system will be displayed at the bottom right of the LCD Connect the four test leads to the secondary voltage terminals L1 L2 L3 and the Vy Neutral of the system Clamp on to the secondary coils of L1 L2 and L3 Make sure the current flows from the front of the current probe to the back see the arrow label on the clamp probe Down Load File M 1 19 5 7 22 18 14 58 E EC z CLAMP 188 MD TIME 15 5 REF 118 amp U 2 oe Hour Minut
20. fore any product is retumed to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether writlen or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration Services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy T Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech co
21. hase sequence Balanced and Unbalanced 3 Phase 3P3W 3P4W Power Source System 33 NC CDI Ll br WOE Wh OD Co DIN 100d a ucc u c nu E A Mu V2 ves 1 4uHz 58 8 Sd 100 CT 1 UT 1SEC Voltage Source Unbalance In order to check if a system is balanced press this button to display the phase diagram PHASE along with the VUR Balanced System If a 3 phase power source system is balanced the parameters should be as follows V1 V2 V3 V12 V23 V31 The phase angle of V2 120 the phase angle of V3 120 as s EH U VU I U U A d U d R U UR a2 E i T M 22 PQ3350 V5 2 11 10 Vn voltage of neutral with respect to ground OV VUR 0 d0 0 d2 0 Unbalanced Systems If the values differ from the numbers above an unbalanced power source system may be the reason The magnitude of the differences can be used as an indication of an unbalanced power source system The larger the difference the further unbalanced the system will be Balanced and Unbalanced 3 Phase 3P3W or 3P4W Load System afie e end SSS DDMD DANS nan lnav na ea a dn Rt e B BESS Seo Orne h RA LI Ui U2 US I1 12 I5 IYn Ui2 023 ys51 Ave dx TUR g z EF Di ne ELE uz I 4UH2 50 0 BSdx 198 CT 1UT 18SEC urrent Loo Unbalance m 5 c tag ad In order to check if current of a system is balanced press the button twice to display the PHASE
22. he system parameters will be shown in the LCD cm nn c a a zi m For a description of each parameter refer to section XIV NOMENCLATURE 12 PQ3350 V5 2 11 10 Power Quality of a 3 Phase 3 Wire 3P3W System a Tum the power on Press the POWER and the 1036 buttons to select the SP3W system The type of system will be displayed at the bottom right of the LCD b Connectthe four test leads to the voltage terminals L1 L2 and L3 of the system Connect the three current probes to the power analyzer input terminal I1 I2 and I3 d Clamp on to the L1 L2 and L3 Make sure the current flows from the front of the current probe to the back e All parameters of the system will be shown in the LCD 11 799 2ma Heese EnA rma 6 M kso ama M azT 4 WA 249 7 VAR 11 1 UAH EN For a description of each parameter refer to XIV NOMENCLATURE 13 PQ3350 V5 2 11 10 Power Quality of a Single Phase 1P2W System 12W A a Press POWER and then 130 to select the 1P2W system The type of system will be displayed at the bottom right of the LCD b Connectthe test leads to the voltage terminals L1 and Vy Neutral of the system Connect one current probe to the power analyzer input terminal 11 Clamp on to the L1 Make sure the current flows from the front of the current probe to the back see arrow label
23. ill be displayed below the cursor The magnitude of the harmonics V or A or phase angle will be displayed next to the f Press the SETUP button several times until HAR is highlighted g To move the cursor to the next harmonic use the lt or gt button h To see the next page 51 to 99 order press the button to pass the 50 order or press the 4 button to pass the 1 order NOTE If the waveform is clipped at the peak or too small in the LCD press the RANGE button to select HIGH or LOW range for a better display The range indicator is the symbol after the unit of RMS value L or H Display the Phase Angle of Harmonics When the HARM button is pressed the magnitude of each harmonic is displayed To review the phase angle of each harmonic press the PHASE button The phase angle will be displayed next to thd display icon V1 does not trigger at exactly 0 degrees it may be a few degrees after 0 The remaining signals V2 V3 11 12 13 are sampled when V1 is triggered In other words the phase angles for V2 V3 I1 12 and I3 are sampled with respect to V1 For example if V1 11 have a phase difference of 30 degrees they are displayed as V1 2 degrees 11 32 degrees in the harmonics analysis NOTE If the waveform is clipped at the peak or too small in the LCD press the RANGE button to select HIGH or LOW range for a better display The range indicator is the symbol after the unit of RMS value
24. l PQ3350 PQ3220 PQ3210 1 to 99 order min current at the 50 or 60 Hz 3000A True RMS 300A Model PQ3350 PQ3220 PQ3210 Range 300 3000A 127 of reading 40A 495 of reading dA i 99 6 of reading 40A PQ3350 V5 2 11 10 Power Factor PF Model PQ3350 PQ3110 or PQ3350 PQ3120 0 00 1 00 Model PQ3350 PQ3220 PQ3210 Range 20V and 30A 20V or 30A 0000 1000 000i Phase Angle Model PQ3350 PQ3110 or PQ3350 PQ3120 Model PQ3350 PQ3220 PQ3210 V gt 20V A gt 30A 80710 180 0710 360 Peak Value of ACV peak value gt 20V or ACA peak value model PQ3350 PQ31 10 10 of the range model PQ3350 PQ3120 gt 20A model PQ3350 PQ3220 PQ3210 gt 30A VT 1 59 30 diis t 57 530 digs Crest Factor C F of ACV peak value gt 20V or ACA peak value model PQ3350 PQ3110 gt 10 of the range model PQ3350 PQ3120 gt 20A model PQ3350 PQ3220 PQ3210 gt 30A VT 1 Accuracy of Readings 7 00 99 99 5 30 digits Frequency 38 PQ3350 V5 2 11 10 in AUTO mode Model PQ3350 PQ3110 or PQ3350 PQ3120 Accuracy of Reading 45 65 Hz Frequency of ACV RMS value 10V or ACA RMS value 30A Model PQ3350 PQ3220 PQ3210 45 65 Hz t 02Hz Total Harmonic Distortion THD F with respect to the fundamental frequency min value at 50 or 60 Hz is voltage gt AC 80V and current is model PQ3350 PQ3110 gt 10 of the range model PQ3350 PQ3120 gt 20A
25. llowing REC is the file number 3 Userscanstore up to 85 screens if no power or harmonics data is stored 28 PQ3350 V5 2 11 10 READ the SAVED SCREEN 1 Press the selected fi Hardcopy File Number Total File Number Down Coad File ERE REC DATES 5 7 22 18 14 58 Hz sa E 1 CTs 1 SEC 2 CLAMP 1888 MD TIME 15 TRANS REF 118 8 UJ SDUP Sx Month Date Hour Minute Second 7 22 13 4 1 SETUP button DOWN LOAD FILE is displayed in reverse video If the data in the le is a hardcopy of the screen a leading symbol of H is displayed in reverse video Press the A or W to select the saved screen Press the HOLD READ button to restore the saved screen NOTE If the data saved in a specific file is a HARDCOPY of a screen a leading symbol of H is displayed in reverse video NOTE Hardcopy data can not be downloaded 29 PQ3350 V5 2 11 10 SET THE CT AND VT PT RATIO n Load File M 1 13 DATE 5 7 22 18 14 50 L F HD TIME 15 TRAHS RFEF 118 8 U Spur 5x Month Date Hour Minute 2 16 14 56 15 REF 118 8 U L d e Hour Minute 13 22 button several times until CT or VT is shown in reverse video Holding the A or W button will Press the SETUP Press the A or W button to increment or decrement the value by 1 Speed up the process of incrementing or decrementing To exit press the EXIT button The CT ratio range is 1 to 600 The VT ratio range is 1 to 3000 Onc
26. ly when the reading exceeds 200 counts If V is zero the phase of the current will not be drawn gt Press this button to change the display from VUR to IUR PHASE ASS I I I I IU uU tins MN GAN DuwsCansens Ed oo as yoz Ii SAZ 50 0 WSd 100 CT 1UT _1SEC Current Load Unbalance A Oy dA Historical max value of Max l1 12 18 Min It I2 13 Min I1 12 18 100 IUR Current Unbalance Ratio d02 The first number is Zero Sequence Unbalanced Ratio in 96 dO for current the second number is the Negative Sequence Unbalanced Ratio in 96 d2 for current When IUR is displayed before d02 d02 represents the Zero d0 and Negative d2 Sequence Unbalanced Ratios for current REF Nominal voltage for transient detection reference Sd Threshold in for transient detection with respect to nominal voltage REF 21 PQ3350 V52 11 10 NOTE If the voltage of L1 L2 and L3 is not connected in the correct sequence the analyzer will show L1 3 2 in the right top corner and it will beep to warn of an incorrect phase sequence Phase Sequence of a 3 Phase System Incorrect Sequence PHASE Press this button to display the phase diagram In this mode the analyzer also detects the phase sequence If the voltage of L1 L2 and L3 is not connected in the correct sequence the analyzer will show L1 3 2 in the right top comer and it will beep to warn of an incorrect p
27. m Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright 2010 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 45 PQ3350 V5 2 11 10
28. model PQ3350 PQ3220 PQ3210 gt 30A Calculation is done over 1 to 50 Harmonics If the voltage or current is O at 50 or 60 Hz all the percentage 96 display is 0 Model PQ3350 PQ3110 19 0 1 Model PQ3350 PQ3120 2 0 1 10 of reading 1 Model PQ3350 PQ3220 PQ3210 00 20 20 100 6 of reading 5 100 999 9 x 1096 of reading 10 39 PQ3350 V5 2 11 10 GENERAL SPECIFICATIONS PQ3350 Analyzer Indoors Use Battery Type External DC Input Display LCD Update Rate Power Consumption No Of Samples Data Logging Files Max File Capacity Sampling Time Low battery Indication Overload Indication Operating Temperature Operating Humidity Storage Temperature Storage Humidity Dimension Weight Accessories 1 5V SUM 3 x 8 Use only power supply adapter Model PHAPSA Dot Matrix LCD 240x128 with backlight 1 time second 140mA approx 1024 samples period 85 17474 records 3PAW 3P3W 26210 records 1P3W 52420 records 1P2W 4096 records 50 Harmonics record 2 to 3000 seconds for data logging OL 10 C to 50 C less than 85 relative 20 C to 60 C less than 75 relative 257 L x 155 W x 57 H mm 10 1 L x 6 1 W x 2 3 H 1160g Batteries included test leads 3 meter long x 4 Probes PQ3110 or PQ3120 or PQ3220 or PQ3210 x3 Alligator clips x 4 Carrying bag x 1 40 PQ3350 V5 2 11 10 Users manual x 1 Batteries 1 5V x
29. n magnitude Press this button to select V1 I1 V2 I2 V3 or 13 for harmonics analysis 6 PQ3350 V5 2 11 10 i8 E i 8 8 B E tz Se Press this button for the voltage or current input range Press to enter the Main Menu also used to navigate menu items Press this button to increment value by one Hold the button for two seconds or more to speed up the increment Press this button to decrement value by one In harmonic analysis mode use these buttons to move the cursor left or right Press this button to start data logging Press it again to stop data logging The sampling interval is displayed in the LCD via the SEC indicator In the power mode press this button to display the phase In the harmonic analysis mode press this button to display phase angle instead of magnitude Press this button to turn the back light on Press it again to tum the back light off Press this button to begin measuring power Press this button to display the waveforms for voltage and current Press this button to display the waveform for voltage only In the power mode press this button to select the appropriate system 3PAW 3P3W 1P2W or 1P3W In the waveform mode press to select V1 I1 V2 I2 or V3 I3 Press this button to turn the power on or off 7 PQ3350 V5 2 11 10 Current Probe 100A WARNING All the current probes connected to the power analyzer must be of the same model and same range
30. ne transient condition occurring in one event NOTE In the TRANSIENT CAPTURE mode the analyzer takes 128 samples of each cycle for each phase continuously NOTE When the user presses the TRANSIENT button to review the recorded events the capture operation is paused until TRANSIENT is pressed again The timer is also stopped when TRANSIENT is pressed Therefore the time stamp is not correct when the user presses the TRANSIENT button to resume operation NOTE The analyzer can record up to 28 events When the analyzer has recorded 28 events it stops the capture operation tums the backlight on and displays the 28 transient events NOTE The codes can be summed to indicate two or three conditions For example if the code is 6 DIP and OUTAGE 244 have been added NOTE The longest duration for a capture operation is 99 days Use the external 12V DC power adaptor for long capture operation WARNING Select 50 or 60 Hz for transient capture If AUTO is selected for frequency the unit will not 25 PQ3350 V5 2 11 10 allow entrance to the TRANSIENT capture mode an audible beep will sound Down Load Transient Data When the TRANSIENT button is pressed to display CAPTURED EVENTS the data is also output through the RS 232 interface simultaneously The data output is in the same format as the LCD display format ASCIl YEAR MONTH DAY HOUR MINUTE SECOND CT REF CODE 01 ELAPSED_TIME CYCLES CODE 02 ELAPSED_TIME CYC
31. phase diagram with the IUR displayed Balanced System If a 3 phase load system is balanced the parameters should be as follows H 1213 The phase angle for I2 and I1 I2 11 120 The phase angles of I3 and 12 I3 12 120 In current of neutral 0A IUR 0 d0 0 d2 0 Unbalanced Systems If the values differ from the numbers above an unbalanced load system may be the reason The magnitude of the difference can be used as an indication of an unbalanced power source system The larger the difference the more unbalanced the load will be 23 PQ3350 V5 2 11 10 Transient Capture Dips Swells Outage NO ELAPSED TIME CDA Y SHBECGURS IMINST VUES bes ZANSTENT OGL REF 108 9 U 3642 50 0 ASU 10CT 1UuT 1MD NOTIN AL VOLT ACE THRESEBH OLI LT y cd 1 Press to enter the PHASE DIAGRAM mode PHASE 2 Press the SETUP button until TRANS REF in reverse video is shown in the LCD Load File H 1 19 TE 5 7 22 16 14 56 Hour Minute Down Load File D 1 19 MATES 5 7 22 18 14 58 1 1 HF 168 Mb TIME 15 TRANS REF lt a SOUP Sx Month Date Hour Minute Second 7 a 2 3 Pressthe A or W button to increment or decrement the nominal voltage for a reference To exit press the EXIT button 4 Pressthe SETUP button several times until SDVP is shown in the right bottom corner of the LCD 5 Pressthe A or W button to increment or decrement the threshold in SDVP To exit
32. t Events Time Cycles with Programmable Threshold 96 DIP SWELL and OUTAGE are included in transient events 3 Phase Voltage or Current Unbalanced Ratio VUR IUR 3 Phase Voltage or Current Unbalanced Factor d0 d2 Calculated Unbalanced Current through Neutral Line In 512K Memory with Programmable Interval Sampling time from 2 to 6000 seconds data logging time from 4 7 hours to 1180 days for 3P4W system Output of Waveform Power Parameters and Harmonics on Command Large Dot Matrix LCD Display with Backlight Optical Isolated RS 232C Interface 4 PQ3350 V5 2 11 10 PANEL DESCRIPTION EXTECH Pa3350 PQ3350 V52 11 10 Panel Description 1 Input Terminal for Neutral Line Voltage 2 Voltage Input Terminals for Each Phase V1 V2 V3 3 External DC Input The AC adaptor must be 600V isolated 4 Current Input Terminals for Each Phase l1 12 13 5 LCD Display 6 Indication of locations where SEC CT VT and SETUP are displayed in LCD 7 Buttons 8 RS 232C Window 9 Stand Holder 10 Stand 11 Battery Cover 12 Battery Compartment Press this button to exit transient detection mode Also used to exit the SETUP menu Press this button to perform transient detection Press this button to hold the data displayed in LCD press again to continue operation Press this button to begin the measurement of harmonics i
33. y lt 85 relative humidity Altitude lt 2000 meters Storage Temperature 4 to 140 F 20 C to 60 C Storage Humidity lt 85 relative Model PQ3210 1200A Flexible Current Probe Probe Length 18 460mm Range Selection Manual 120A 1200A Minimum Bending Diameter 1 37 35mm Connector Diameter 0 9 23mm Cable Diameter 0 55 14mm Cable Length 677A 700mm probe to box 67 700mm box to output Dimensions box 54 D x 31 W x 1 7 H 130mm L x 80mm W x 43mm H Weight 13 8 oz 390g Operating Temperature 14 to 122 F 10 C to 50 C Operating Humidity lt 85 relative humidity Altitude lt 2000 meters Storage Temperature 4 to 140 F 20 C to 60 C Storage Humidity lt 85 relative 42 PQ3350 V5 2 11 10 BATTERY REPLACEMENT When the low battery symbol is displayed on the LCD replace the batteries Tum power off and remove all of the test leads and current probes from the unit Remove the screw on the battery cover Liftand remove the battery cover Remove the old batteries Insert eight 8 new 1 5V AA batteries Replace the battery cover and secure the screw EVE a PEN MAINTENANCE amp CLEANING Service not covered in this manual should only be performed by qualified personnel Repairs should only be performed by qualified personnel Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents 43 PQ3350 V
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