PCE Instruments PCE-GPA 62 User Manual Download Page 18 | Manualshive

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13

III.2 Measurement of RMS value, THD-F and Harmonics of ACV

L3

L1

V

COM

600V

Voltage:

a. Set the rotary switch at V position.
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.

NOTE:

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.

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Summary of Contents for PCE-GPA 62

Page 1: ...Graphic AC Power Quality Analyzer PCE GPA 62 Users Manual PCE Group...

Page 2: ...k Double Insulation Application around and removal from HAZARDOUS LIVE conductors is permitted Earth ground AC Alternating Current DC Direct Current Both direct and alternating current Conforms to rel...

Page 3: ...ing instructions carefully for safe operation NEVER use the clamp meter for Voltages higher than 600V DO NOT hold the clamp meter beyond its tactile barrier DO NOT use the clamp meter and accessories...

Page 4: ...r VAR KVAR 23 III 5 3 Maximum Demand KW and KVA 24 III 5 4 Energy KWh PFh KVARh and KVAh 24 III 5 5 Phasor Diagram 24 III 5 6 RMS values of Voltage and Current 25 III 6 Measurement of Balanced 3 Phase...

Page 5: ...tage Waveform 37 VI 3 Datalogging of Current Waveform 38 VII DATALOGGING OF TRANSIENT DETECTION 39 VIII DATALOGGING OF AC POWER 44 VIII 1 Scheduled Datalogging 44 VIII 2 Immediate Datalogging 46 IX CL...

Page 6: ...aphic Phasor Diagram g Transient Detection and Logging of Swell Dip and Outage h Fast peak function 39 s for 50 Hz 33 s for 60Hz i Active W KW HP reactive VAR KVAR and apparent VA KVA power j Power fa...

Page 7: ...CEL BACK LIGHT Press this button to HOLD the display in LCD or turn the backlight on or off It is also used to delete harmonics in the harmonics configuration 4 Rotary Switch Select setup measurement...

Page 8: ...clear the data memory It is also used to add harmonics in the harmonics configuration 8 Button Decrement value by 1 Move the reference axis down Move the line cursor left to next harmonics Page down...

Page 9: ...4 III OPERATING INSTRUCTIONS III 1 Setup Move the rotary switch to the SETUP position Users should setup the parameters of the meter before use...

Page 10: ...NT TIME There is a calendar clock inside the meter Users should setup the correct time HOUR MINUTE SAMPLE Setup the sampling interval in seconds for Datalogging START TIME schedule when to start datal...

Page 11: ...6 HOUR MINUTE STOP TIME schedule when to stop datalogging HOUR...

Page 12: ...7 MINUTE VT set the ratio of voltage transformer normally 1 V reading Voltage VT MD set the time interval form maximum demand in minutes 1 to 60 minutes normally 15...

Page 13: ...set the operating frequency to 50Hz 60Hz orAuto AUTO POWER OFF enable 1 or disable 0 auto power off function TRANSIENT REFERENCE set the nominal voltage and threshold for transient capture NOMINALVOL...

Page 14: ...9 TOLERANCE...

Page 15: ...10 HARMONICS CONFIGURATION select the harmonics to be logged NOTE The unit will adjust the sampling time according to the amount of harmonics to be logged...

Page 16: ...to be logged for each cycle of the waveform There are four options 32 64 128 and 256 NOTE The unit will adjust the sampling time according to the processing time required to log waveform DATE set the...

Page 17: ...12 MONTH DAY...

Page 18: ...t the rotary switch at V position 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 NOTE If the peak value of the inputAC v...

Page 19: ...nic Distortion with respect to Fundamental frequency THD F V2 2 V3 2 V49 2 V50 2 V1 100 Where V1 magnitude at the nominal frequency eg 50 or 60 Hz V2 magnitude at the second harmonics V50 magnitude at...

Page 20: ...15 NOTE Frequency Hz is displayed in the second page Harmonics order 25 th to 50 th order...

Page 21: ...D F and Harmonics of ACA a Set the rotary switch at A position b Clamp on to the conductor and read the data from LCD display WARNING Make sure that all the test leads are disconnected from the meter...

Page 22: ...nic Distortion with respect to Fundamental frequency THD F V2 2 V3 2 V49 2 V50 2 V1 100 Where V1 magnitude at the nominal frequency eg 50 or 60 Hz V2 magnitude at the second harmonics V50 magnitude at...

Page 23: ...18 NOTE Frequency Hz is displayed in the second page Harmonics order 25 th to 50 th order...

Page 24: ...19 III 4 Waveforms of ACV andACAwith Phase Angle...

Page 25: ...phase angle Users can press the or buttons to move the 0 reference axis of current up or down So the waveforms of voltage and current can be easily distinguished as in the following figure III 4 1 Wav...

Page 26: ...21 III 4 2 Waveform of ACAwith Peak Value Press the FUNC button to select display of current waveform with RMS value and peak value...

Page 27: ...wn in LCD is equal to the W VA and VAR values measured by the tester multiplied by VT ratio WLCD W VT VALCD VA VT VARLCD VAR VT WHLCD WH VT L3 L1 V COM 600V a Set the rotary switch at the 1 Phase posi...

Page 28: ...23 III 5 1 True Power W and Power Factor PF III 5 2 Apparent Power VA KVA and Reactive Power VAR KVAR...

Page 29: ...5 3 Maximum Demand KW and KVA WARNING Must disable auto power off for this measurement III 5 4 Energy KWh PFh KVARh and KVAh WARNING Must disable auto power off for this measurement III 5 5 Phasor Di...

Page 30: ...25 III 5 6 RMS values of Voltage and Current...

Page 31: ...3 Phase position b Connect the test leads to the voltage source in parallel with the load c Clamp on one of the wire to the load The current should flow from the front of the tester to the side of th...

Page 32: ...27 III 6 1 AC Watt W and Power Factor PF III 6 2 Apparent Power VA KVA and Reactive Power VAR KVAR III 6 3 Maximum Demand KW and KVA WARNING Must disable auto power off for this measurement...

Page 33: ...28 III 6 4 Energy KWh PFh KVARh and KVAh WARNING Must disable auto power off for this measurement III 6 5 Phasor Diagram III 6 6 RMS values of Voltage and Current...

Page 34: ...press the REC button ONCE If users see the following display and press the REC button the true RMS value of voltage and selected harmonics set in the configuration will be logged at specified sampling...

Page 35: ...30...

Page 36: ...see the following display Users always have 8 seconds to cancel Datalogging by pressing the HOLD button for about 2 seconds If users do not press HOLD CANCEL button the unit starts Datalogging and th...

Page 37: ...ediate Datalogging Press the REC button TWICE START TIME will be changed to next minute STOP TIME will be changed to current time tomorrow Please refer to HARMONICS CONFIGURATION of SETUP for selectin...

Page 38: ...duled Datalogging Set the rotary switch at the A position and press the REC button ONCE The true RMS value of current and selected harmonics set in the configuration will be logged at specified sampli...

Page 39: ...will see the following display Users always have 8 seconds to cancel datalogging by pressing the HOLD button for about 2 seconds If users do not press HOLD CANCEL button the unit starts datalogging an...

Page 40: ...armonics NOTE The true RMS value and the first harmonics are always logged V 2 Immediate Datalogging Press the REC button TWICE the unit start Datalogging in the next minute START TIME will be changed...

Page 41: ...Set the rotary switch at the VAwaveform and press the FUNC to select display of both voltage and current waveforms Press the REC button once to do scheduled Datalogging Both voltage and current wavefo...

Page 42: ...switch at the VAwaveform and press the FUNC to select display of voltage waveform Press the REC button once to do scheduled Datalogging Voltage waveform will be logged NOTE Users can specify how many...

Page 43: ...at the VAwaveform and press the FUNC to select display of current waveform Press the REC button once to do scheduled Datalogging Current waveform will be logged NOTE Users can specify how many points...

Page 44: ...sient position the following display is shown It shows the reference voltage is AC 110 0V TRANS REF and the threshold is 5 If the voltage exceeds 115 5V SWELL or is less than 104 5V DIP or is less the...

Page 45: ...40 Press the FUNC button to start transient detection...

Page 46: ...41 After users press the FUNC button the LCD will become blank and the LED at the bottom starts to flash...

Page 47: ...42 To stop transient detection and review events press the FUNC button again Press the or buttons to review events...

Page 48: ...43...

Page 49: ...4 VIII DATALOGGING OF AC POWER VIII 1 Scheduled Datalogging Press the REC button ONCE Users can press the REC button once to start scheduled datalogging The START TIME and STOP TIME is set in the SETU...

Page 50: ...see the following display Users always have 8 seconds to cancel Datalogging by pressing the HOLD button for about 2 seconds If users do not press HOLD CANCEL button the unit starts Datalogging and th...

Page 51: ...cords of Date Time VA W VAR PF KVAH KWH KVARH PFH AD VA AD W MD VA MD W Phase HP VIII 2 Immediate Datalogging Press the REC button TWICE START TIME will be changed to next minute STOP TIME will be cha...

Page 52: ...CD Users press the HOLD button to confirm the clearance of memory The unit is turned off after the memory is cleared If users do not press the HOLD button in 8 seconds the memory is not clear This tim...

Page 53: ...ings 1 Range 0 to 1500A Resolution 20 V and 20A 20V or 20A 10 0 999 9 VA 0 1VA 1 20dgts 2 40dgts 1 000 9 999 KVA 0 001 KVA 1 20dgts 2 40dgts 10 00 99 99 KVA 0 01 KVA 1 20dgts 2 40dgts 100 0 999 9 KVA...

Page 54: ...d Protection AC 800V Range Resolution Accuracy of Readings 1 4 0 V 600 0 V 0 1 V 0 5 5dgts 1 For VT 1 the accuracy in percentage is the same 0 5 But the additional digits should be multiplied by the V...

Page 55: ...Factor PF Accuracy Range Resolution 20V and 20A 20V or 20A 0 000 1 000 0 001 0 04 0 1 Phase Angle Range Resolution Accuracy 180 to 180 0 1 1 0 to 360 0 1 1 Total Harmonic Distortion THD F with respec...

Page 56: ...r power on Update Time 2 times second 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...

Page 57: ...d remove the test leads from the box B Remove the screw of the battery compartment C Lift and remove the battery compartment D Remove the old batteries E Press the FUNC button for 2 seconds to dischar...

Page 58: ...53...

Page 59: ...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 solve...

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