Extech Instruments PQ3470 User Manual Download

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PQ3470-en-GB_V1.9 10/15

Table of Contents

1.0 INTRODUCTION

1-1

Features.................................................................................................. 3

1-2

Safety ....................................................................................................... 4

2.0 SPECIFICATIONS

2-1

General Specifications ................................................................................. 5

2-2

Electrical Specifications .................................................................................... 6

3.0 METER DESCRIPTION ............................................................. .8
4.0 METER BASICS AND THE SETUP MODE

4-1

Initialization Screen ...................................................................................................... 10

4-2

Measurement Screen Example .......................................................................... 10

4-3

Keypad Summary ................................................................................................. 11

4-4

Setup Mode Basics ...................................................................................................... 12

4-5

Setup Mode In Detail......................................................................................... 14

5.0 POWER MEASUREMENT PROCEDURES

5-1

2W (single phase two wire) measurement .......................................... .21

5-2

3W (single phase three wire) measurement ........................................ .22

5-3

3W (three phase three wire) measurement ......................................... .23

5-4

4W (three phase four wire) measurement ........................................... .24

5-5

CT and PT measurement .......................................................................................... .25

5-6

Zero Adjust for Watt Hour Measurement ................................................................ .26

5-7

Harmonics function Measurement ........................................................................... .26

5-8

Graphic Phasor Measurement ................................................................................. .28

5-9

Voltage / Current Waveform ...................................................................................... .29

5-10

Transient Capture (Dips, Swells, Outage) ............................................................ .30

5-11

Data Logger ..................................................................................................................... 31

5-12

Data Hold ..................................................................................................... .32

5-13

Display Backlight key ................................................................................... .32

5-14

LOWBAT (Low Battery) screen .................................................................. .32

5-15

Measurement Definitions .................................................................................. .33

5-16

Reset Button ....................................................................................................... .33

6.0 MAINTENANCE

6-1

Cleaning ................................................................................................................. 34

6-2

Battery Replacement ............................................................................................ 34

7.0 SD Card

7-1

Download Data from SD Card ......................................................... 35

www.

.com

information@itm.com

1.800.561.8187

Summary of Contents for PQ3470

Page 1: ...User Guide 3 Phase Power and Harmonics Analyzer Datalogger MODEL PQ3470 www com information itm com 800 561 8187 ...

Page 2: ... single phase three wire measurement 22 5 3 3Φ 3W three phase three wire measurement 23 5 4 3Φ 4W three phase four wire measurement 24 5 5 CT and PT measurement 25 5 6 Zero Adjust for Watt Hour Measurement 26 5 7 Harmonics function Measurement 26 5 8 Graphic Phasor Measurement 28 5 9 Voltage Current Waveform 29 5 10 Transient Capture Dips Swells Outage 30 5 11 Data Logger 31 5 12 Data Hold 32 5 13...

Page 3: ... ground o Current Amps phase to ground o KW KVA KVAR PF phase o KW KVA KVAR PF system o KWH KVAH KVARH PFH system o Phase angle o Harmonics 600 0VAC input with CAT III 600V safety rating Adjustable Current Transformer CT and Potential Transformer PT ratio for high power distribution systems Log up to 30 000 reading on removable SD memory card in Excel format Wide sampling rate range from 2 seconds...

Page 4: ...er the use of rubber gloves in operation Do not operate in excess of AC 500V Phase to Neutral or AC 600V Phase to Phase Do not operate this instrument if it appears to be malfunctioning Remove the test leads from the meter before opening the battery compartment cover When cleaning use only a dry cloth to wipe the meter housing Do not use liquids of any kind to clean the meter Safety Symbols CAUTIO...

Page 5: ...e ACV 200mV 300mV 500mV 1V 2V 3V Current probe input current range ACA 20A 200A 2000A 1200A 30A 300A 3000A 60A 600A 6000A Note that the meter has universal probe compatibility Safety standard IEC1010 CAT III 600 V ACV input impedance 10M ohms Range select ACV Auto Range ACA Manual Range Clamp frequency response 40 Hz to 1 KHz Tested clamp frequency 45 to 65 Hz Over load protection ACV 720 ACV RMS ...

Page 6: ...al Clamp 210 X 64 X 33mm 8 3 X 2 5 X 1 3 Optional Clamp Jaw 86 mm 3 4 Outer diameter Accessories Included Instruction manual Batteries SD card 4G 2 2 Electrical Specifications 45 to 65Hz 23 5 C Function Range Resolution Accuracy AC Voltage 10 0V to 600 0V 0 1V 0 5 range 3 digits AC Voltage peak to peak 28 2V to 1 697kV 0 1V to 1V 0 5 range 30 digits AC Current trms 0 2A to 6000A 0 001A to 1 A 0 5 ...

Page 7: ...V 1 to 20th 0 1 2 10 digits 21 to 30th 4 20 digits 31 to 50th Reference only ACA 1 to 20th 0 1 2 10 digits 21 to 30th 4 20 digits 31 to 50th Reference only Crest Factor CFV or CFA 1 000 to 9 999 0 001 5 0 3 Total Harmonic Distortion THD 0 to 20 0 1 2 5 digits 20 1 to 100 6 10 digits Phase angle 1 to 50th 0 1 2 Meter accuracy only System accuracy includes the accuracy of the clamp used PFH Long Ter...

Page 8: ...nt Top and Right Side 3 1 LCD Display 3 2 Keypad broken out below 3 3 Measurement input terminals 3 4 SD CARD slot RS232 jack AC adaptor jack Reset button broken out below 3 5 Clamp Power Output jacks broken out below www com information itm com 800 561 8187 ...

Page 9: ...t arrow navigation 3 22 Phase Wire setup 3 23 Harmonics display 3 24 Harmonics Analysis display 3 25 3 26 3 28 3 27 3 29 Meter Right Side 3 25 9V power adaptor jack 3 26 SD memory card socket 3 27 RS232 PC interface socket 3 28 Reset button 3 29 Screw fastener for protective cap Meter Top 3 30 Clamp positive input jacks 3 31 Clamp negative input jacks 3 32 Clamp power lead connections Note The Bat...

Page 10: ...the display If an SD card is inserted the blinking display will switch off after several seconds When no card is inserted the display will show No disk 4 2 Measurement Screens After the initialization screen the meter then displays one of the measurement screen configurations The meter reverts to the screen that was displayed at the last power down and may not be the screen shown below Other scree...

Page 11: ...wever use varies with each particular function Down arrow Generally press to move the cursor down or to change a parameter value however use varies with each particular function Left arrow Use varies according to a particular function Right arrow Use varies according to a particular function Volt Amp Range Select a range for voltage or current harmonic measurements Transient display Capture transi...

Page 12: ...which is the configuration 3P4 for example When the SHIFT keys is pressed again the SHIFT 2 icon appears on the display and the user can select the second half of the file name 10001 XLS for example See Figure 4 4b for an example of the SHIFT 2 screen This applies only to the FILENAME parameter 6 Press the SHIFT key to continue scrolling through the other parameters using the up and down arrow key...

Page 13: ... ratio from 1 to 1000 CT Set the Current Transformer ratio from 1 to 600 Audible Tone Set the keypad beeper ON or OFF Trans Ref Set the Transient voltage reference SDVP Set the threshold for the Swells Dips transient Voltage Potential in percent 0 100 Clamp Type Select from the clamp type menu A Amps Set the Current range V Volts Set the Voltage range RS232 Out Select RS232 output function up to n...

Page 14: ... to return to Setup Mode editing where the arrow keys are used again for scrolling Use the EXIT key to leave the Setup Mode 4 5 1 Folder name Set a Folder Name on the SD Memory Card 1 Scroll to the FOLDER NAME field using the up and down arrow keys if necessary 2 The Folder Name range is WTA01 to WTA10 refer to Figure 4 5 1a below 3 Press Shift to open the Folder Name parameter for editing 4 Use t...

Page 15: ...elect the desired configuration Select 1P 2W 1P2 1P 3W 1P3 3P 3W 3P3 or 3P 4W 3P4 See Figure 4 5 2c below 5 Press SHIFT again and the SHIFT 2 icon will appear on the upper right side of the screen and the second half of the File Name which the user can customize as needed will be highlighted Use the arrow keys to select a number between 001 and 0050 inclusive See Figure 4 5 2d below 6 File Name Ex...

Page 16: ...emory Card 1 In the Setup Mode use the up and down arrow keys to scroll to the SAMPLING TIME field 2 Press the SHIFT key and the symbol SHIFT1 will switch ON 3 Use the arrow keys to adjust the sampling time the range is 2 to 7200 seconds 4 Press the SHIFT key again to return to Setup Mode editing www com information itm com 800 561 8187 ...

Page 17: ...SD FORMAT field will show the formatting progress 0 to 100 5 Note that the display screen shows USE SIZE amount of memory currently used on the SD card FREE SIZE amount of memory available and TOTAL SIZE total size of the SD card memory below the SD FORMAT field 4 5 6 Potential Transformer PT Setup 1 In the Setup Mode use the up and down arrow keys to scroll to the PT field 2 Press SHIFT the displ...

Page 18: ...merical Format USA or European Note SD Memory Cards default to the basic numerical format USA whereby a period is used to separate units from tenths for example 20 00 European formatting uses a comma for example 20 00 1 In the Setup Mode use the up and down arrow keys to scroll to the DECIMAL field 2 Press SHIFT the display SHIFT1 will switch ON 3 Use the or keys to select the desired format USA o...

Page 19: ...access the RS232 Output selection mode There are four 4 pages of output selections nine of which can be selected at any one time 3 Use all of the four arrow buttons to navigate the output choices 4 To select an output type press the SETUP key the selection will highlight 5 To de select a selected output type press the SETUP key the highlight will switch off 6 Press and hold the SHIFT key for 2 sec...

Page 20: ...en the desired field is selected the display SHIFT1 will switch ON 3 Use the or keys to change the date or time value 4 Press SHIFT again to return to Setup Mode editing or press EXIT to leave the Setup mode 4 5 17 Exit the Setup Mode When all of the programming has been completed press the EXIT key to return to the measurement mode of operation www com information itm com 800 561 8187 ...

Page 21: ...lected name of the system will be shown on the bottom left side of the display refer to Figure 5 1 below 2 Connect the line voltage L1 Vn Neutral to V1 and N terminals of the instrument 3 Connect the Clamp A1 to the conductor A1 4 Connect Clamp 1 A1 to the A1 terminal of the instrument 5 The related measurement factors will appear on the display 6 Measurement definitions can be found in Section 5 ...

Page 22: ...ear on bottom left hand side of the display 2 Connect the line voltage L1 L2 and Vn Neutral to V1 V2 and N terminals of the instrument 3 Connect the two 2 clamps A1 and A2 to the conductors A1 and A2 4 Connect Clamp 1 and Clamp 2 A1 and A2 to the A1 and A2 terminals of the instrument 5 The related measurement factors will appear on the display 6 Measurement definitions can be found in Section 5 15...

Page 23: ...l appear on bottom left hand side of the display 2 Connect the line voltage L1 L2 and L3 to V1 V2 and V3 terminals of the instrument 3 Connect the three 3 clamps A1 A2 A3 to conductors A1 A2 A3 4 Connect the three 3 Clamps to the meter using the A1 A2 and A3 terminals 5 The related measurement factors will appear on the display 6 Measurement definitions can be found in Section 5 15 Figure 5 3 www ...

Page 24: ...pear on the bottom left hand side of the display 2 Connect the line voltage L1 L2 L3 and Vn to V1 V2 V3 and N terminals of the instrument 3 Connect the three 3 Clamps A1 A2 and A3 to the conductors A1 A2 and A3 4 Connect the Clamps A1 A2 and A3 to the meter s A1 A2 and A3 terminals 5 The related measurement factors will appear on the display 6 Measurement definitions can be found in Section 5 15 F...

Page 25: ...system will appear on the bottom left hand side of the display 2 Connect the line voltage L1 L2 L3 and Vn to the V1 V2 V3 and N terminals of the instrument 3 Connect the three 3 Clamps A1 A2 A3 to the conductors A1 A2 A3 4 Connect the Clamps A1 A2 A3 to the meter s A1 A2 A3 terminals 5 The related measurement factors will appear on the display 6 Measurement definitions can be found in Section 5 15...

Page 26: ...ange Key to switch to VH or AH to remove distortion from the waveform as shown in Screen 3 and Screen 4 4 Press the Left key or the Right Key to show the nth harmonic value of the current or the voltage H01 1 st harmonic shown in figure Harmonics Screen 1 Voltage Phase 1 Low range VL Harmonics Screen 2 Amps Phase 1 Low range AL NOTE If the waveform is clipped at the peak or too small in the LCD pr...

Page 27: ...VL Volts High range or Low range adjust size of displayed waveform THD Total Harmonic distortion The ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency H01 Fundamental or 1 st harmonic should equal 100 of measured value H03 3 rd harmonic percentage is based on ratio to fundamental signal 3 0 Phase angle of the harmonic frequency V1 Voltage for Phase...

Page 28: ...e current A1 A2 and A3 AVn Calculated voltage and current of the neutral with respect to ground dV Historical maximum for MAX V123 MIN V123 MIN V123 100 VUR Voltage ratio unbalanced D02 d0 d2 d0 The first number in the zero sequence unbalanced ratio in d0 of voltage or current d2 The second number in the negative sequence unbalanced ratio in d2 of voltage or current dA Historical maximum for MAX A...

Page 29: ...rent Waveform screen as shown in Screen 2 below and then press the 1Φ 3Φ key to switch the Current waveform from A1 to A2 to A3 etc 3 Press the Waveform key again to enter the Voltage Current Waveform screen as shown in Screen 3 below and then press the 1Φ 3Φ key to switch the Voltage Current waveform from V1 A1 to V2 A2 to V3 A3 etc Figure 5 9c Waveforms Screen 1 Figure 5 9b Waveforms Screen 2 Fi...

Page 30: ...mn if all phases experience a transient V1 V2 or V3 will appear in the LINE column if a specific phase experiences a transient Refer to Screen 2 below 6 Press the POWER READING button to exit the Transient Capture mode and return to the normal operating mode 7 One screen can display up to 13 transient events One file can record 99 transient events When dealing with more than 13 transient events us...

Page 31: ...nge Card display 6 The display will show the datalogging process by incrementing the data counter on the bottom right side of screen under the REC display icon 7 Each file can store up to 30 000 data points When the number of data points reaches 30 000 the system will create a new file automatically For example WTA01001 XLS will be replaced by WTA01002 XLS 8 Press the REC key again to stop datalog...

Page 32: ...e HOLD display 5 13 LCD Backlight Key Press to turn the backlight ON or OFF Note Use of the backlight will place a higher burden on the battery power The backlight should be turned off when using battery power and especially while datalogging 5 14 Low Battery Indication LOW BAT When the LOW BAT indicator appears replace the batteries as described in the Battery Replacement section of this manual U...

Page 33: ... Factor WH SH 1 2 3 Phase Angle of each phase WH Watt Hour SH Apparent Power Hour QH Reactive Power Hour 1 2W One phase by two wires 1 3W One phase by three wires 3 3W Three phases by three wires 3 4W Three phases by four wires SEC The sampling rate in seconds for the datalogger CT Current transformer PT Potential transformer Transient Reference SDVP Swell and Dip Voltage Percentage used with Tran...

Page 34: ...the rear Battery Cover and remove the batteries 3 Replace the eight 8 batteries 1 5Vdc AA batteries and close the battery cover You as the end user are legally bound EU Battery ordinance to return all used batteries disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Di...

Page 35: ... spreadsheet software Download the stored data file from the SD Card to the PC file name examples 3P401001 XLS 1P201001 XLS 1P301001 XLS 3P301001 XLS 4 The data files can be opened directly into a spreadsheet program Example Data File Example Graphic Screen Copyright 2014 2015 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form ISO 9001 Certifie...

Page 36: ...User s Guide 200A Current Probe Set Model PQ34 2 3 2 www com information itm com 800 561 8187 ...

Page 37: ... before operating the meter Improper use of this meter can cause damage shock injury or death Inspect the condition of the leads and the meter itself for any damage before operating the meter Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard Do not attempt to measure Current that exceeds specified limits Do not ...

Page 38: ...top of the analyzer 2 Connect the A1 power cable to the matching power socket on the top of the analyzer 3 Set the 200A 20A range switch to the range appropriate for the application Note Make sure the range set on the clamp matches the range set in the analyzer 4 Connect the A2 and A3 clamps as above if needed 5 Press the Trigger to open the jaws and clamp around a single conductor 6 Power on the ...

Page 39: ... Minimum load 100 K ohm for specified accuracy Enclosure material UL 94 V0 rated Safety IEC 1010 Category III 600V Power Supply 8V 1V supplied from meter Max Jaw Open Size 19 mm 0 75 inch Dia Operating Temperature 0 C to 50 C 32 F to 122 F Operating Humidity Less than 80 RH Dimension 179 9 x 66 9 x 40 1mm 7 0 X 2 6 X 1 57 inch Cable length 4 meters 13 1 feet DC plug size 5 5 mm x 2 5 mm DIA Weight...

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