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Fluke 39/41B

Power Harmonics Tester

Users Manual

4822 872 00916
July 1995 Rev. 3, 11/00

© 1995 Fluke Corporation. All rights reserved. Printed in the Netherlands.
All product names are trademarks of their respective companies.

Advanced Test Equipment Rentals

www.atecorp.com 800-404-ATEC (2832)

Established 1981

Summary of Contents for 39

Page 1: ...4822 872 00916 July 1995 Rev 3 11 00 1995 Fluke Corporation All rights reserved Printed in the Netherlands All product names are trademarks of their respective companies Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Page 2: ...n the warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Fluke authorized service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination I...

Page 3: ... authorized service center visit us on the World Wide Web http www fluke com or call Fluke using any of the phone numbers listed below 1 888 993 5853 in U S A and Canada 31 402 678 200 in Europe 1 425 356 5500 from other countries ...

Page 4: ......

Page 5: ... Keypad 14 Display Screen 19 Functions and Screen Modes 25 Waveform Screen Mode 25 Harmonics Screen Mode 27 Harmonics Zoom Mode 30 Text Screen Mode 31 VA Check Screen 33 Recording Measurements 35 Power Up Configuration 37 Storing Recalling Measurements Model 41B 39 Using the Serial Cable Model 41B 41 Printing Model 41B 43 Sending to a Printer or PC Model 41B 43 Using PC Software With the Tester Mo...

Page 6: ...Speed Motor Drive 51 User Maintenance 52 Cleaning 52 Fuse Replacement 52 Battery Replacement 52 Operational Test 54 If the Screen Flashes or is Blank at Power Up 54 If Your Tester Does Not Work 54 Accessories and Replacement Parts 55 Specifications 57 ...

Page 7: ...iii List of Tables Table Title Page 1 Key Descriptions 15 2 Status Line 20 3 Screen Abbreviations 21 4 Special Messages 24 5 Replacement Parts 56 ...

Page 8: ... Keypad 14 9 Display Screen 19 10 Waveform Screens 26 11 Harmonics Screens 28 12 Harmonics Overload Screen 29 13 Harmonics Zoom Screen 30 14 Text Screens 32 15 Typical VA Check Signatures 34 16 Record Screens 36 17 Configuration Screens 38 18 Memory Screen 39 19 Serial Communications Model 41B 42 20 Typical Applications 45 21 Plant Switch Gear 46 22 Distribution Transformer 1PWatts Text Screen 47 ...

Page 9: ...ay dam age the tester or the current probe See below for explanations of international electrical symbols Read the following safety information carefully before attempting to operate or service the Tester or the current probe DANGEROUS VOLTAGE AC ALTERNATING CURRENT DC DIRECT CURRENT Either DC or AC CAUTION see explanation in manual Equipment protected throughout by DOUBLE INSULATION or REINFORCED...

Page 10: ...an 600V Use extreme caution when clamping the current probe around un insulated conductors or bus bars Keep your fingers behind the finger guard on the 80i 500s Check the magnetic mating surfaces of the probe jaws these should be free of dirt dust rust or other foreign matter Do not use a current probe that has been cracked or damaged or has de fective leads If there is any such sign of impaired o...

Page 11: ... in either a single phase or a 3 phase readout These capabilities allow you to monitor power quality before and after an installation troubleshoot a power distribution system and with Model 41B print out or download data for additional analysis The Tester is both a harmonics measurement tool and a power meter or digital multimeter You can use the Tester to measure voltage events undervoltage overv...

Page 12: ...est Clips Your kit also includes the following printed materials Users Manual this book Quick Reference Guide Warranty Registration Card For Model 41B only the following additional items are included Refer to Figure 2 RS 232 Serial Cable FlukeView 41 Windows Software Disk Check the contents of the box for completeness noting any damage If something in the kit has been damaged or is missing contact...

Page 13: ...Unpacking 3 P O W E R H A R M O N IC S A N A LY ZE R 41 TL 24 Test Leads Set of two Red and Black 80i 500s AC Current Probe AC 20 Test Clip TP 20 Test Probe a2f eps Figure 1 Tester and Accessories ...

Page 14: ...39 41B Users Manual 4 RS 232 Cable Companion Software 3 5 Inch Floppy Disks FlukeView 41 a3f eps Figure 2 Additional Items Model 41B ...

Page 15: ... manual uses the following standard terminology Mains is line voltage or frequency φ1 φ2 and φ3 refer to the three current supply phases Delta D Wye Y N is Neutral e is Earth ground AC Current Probe or Probe refers to the 80i 500s which can also be called a current clamp ...

Page 16: ... pressing Ooff letting the batteries run down removing the batteries or experiencing an automatic power down the Tester retains all essential operating information in nonvolatile memory Specifically the Tester retains calibration accuracy power up configuration information and any stored waveforms Model 41B However if you remove power when Record is active the Tester loses all recorded values Auto...

Page 17: ...urn the Tester on 2 c brief press and or to change screen contrast C hold 1 second to turn the backlight on or off 3 Fto select a measurement function Volts Amps Watts 4 Mto select a screen mode Waveform Harmonics Text 5 Rto start recording measurements or to select NOW MAX AVG MIN recording Fto select a different measurement function while recording Rto exit recording 6 oto turn the Tester off ...

Page 18: ...39 41B Users Manual 8 P O W E R H A R M O N IC S A N A LY Z E R 41 5 4 3 2 1 6 a4f eps Figure 3 Getting Acquainted ...

Page 19: ...the probe points toward the load phase or the source neutral The Tester is set up for use with an 80i 500s Current Probe If you use another probe you must make a selection change in the Configuration Screen Voltage 3 phase 4 Wire Connect the red test lead to the desired phase voltage connect the black test lead to neutral Voltage 3 phase 3 Wire example D Connect the red test lead to the phase cond...

Page 20: ...se measurement or toward the source for a neutral measurement Press Gto verify the Current Probe orientation If the resulting VA Check Screen generally extends from the lower left to the upper right of the screen the Current Probe is connected properly Always clamp the Current Probe around a single conductor or parallel conductors that are carrying current for the same phase Always center the cond...

Page 21: ... a three phase system The W 3P3C display screen shows the three phase calculation for the connection shown in Figure 5 All other screens and functions show only single phase data φ3 PO WE R HA RM ON IC S AN AL YZ ER 41 Black Red Load φ2 φ1 W1 a74f eps Figure 5 Three Phase Measurement Connections For Balanced Circuits 3P 3 Conductor D ...

Page 22: ... ER HA RM ON IC S AN AL YZ ER 41 Black Red Load PO W ER HA RM ON IC S AN AL YZ ER 41 φ2 φ1 Red W1 W2 Wtotal W1 W2 PF W1 W2 3 VA1 VA2 2 a6f eps Figure 6 Three Phase Measurement Balanced or Unbalanced Connections 3P 3 Conductor Dor Y ...

Page 23: ... ICS AN AL YZ ER 41B Black Red Load φ2 Red PO WE R HA RM ON ICS AN AL YZ ER 41B Red φ1 PO WE R HA RM ON ICS AN AL YZ ER 41B φ3 Black Black Wtotal W1 W2 W3 W1 W2 W3 a7f eps Figure 7 Three Phase Measurement Balanced or Unbalanced Connections 3P 4 Conductor ...

Page 24: ...39 41B Users Manual 14 Keypad Refer to Figure 8 and Table 1 for keypad operation 14 13 12 11 7 6 5 4 3 2 10 1 9 8 9 8 a8f eps Figure 8 Keypad ...

Page 25: ...on each time you turn it on 2 Arrow Keys These keys have multiple uses Refer to other areas for specific and descriptions 3 c Contrast Backlight Tap briefly to adjust contrast with tap again to store setting and return to normal operation Press and hold Cfor about 1 second to turn the backlight on or off 4 M Screen Mode Press to cycle the Tester through Waveform Harmonics and Text Screen Modes You...

Page 26: ...The Tester always begins autoranging at power up Range Harmonics Press rmomentarily to cycle from 100 to 10 20 50 and back to 100 Other harmonics screen ranges and voltage or current measurement ranges do not change while in harmonics display 6 G VA Check Press at any time for a check of the volts versus amps signature at the test point Press Ga second time to return to normal operation See also V...

Page 27: ...er in this manual 9 s Send Model 41B Press to print a test report of calculated measurements to a printer or PC The Tester displays SEND Do not press swhen FlukeView 41 application software is in use See Sending to a PC 10 S Smooth Smooth allows you to average waveforms resulting in a more stable screen and increased accuracy of computations See Specifications Press Sfour times to step through the...

Page 28: ... Tester to its standard factory programmed configuration by holding Ras you press on o 13 E Hold Press Eto freeze the screen H appears in the top line You can now observe all screens for a single measurement Press Eagain to resume normal operation Eserves as the ENTER key when used with some other screens Also you can access the Power Up Configuration Screen by pressing E as you press oon 14 F Mea...

Page 29: ...a shows information as waveform harmonics bar chart or set of text computations Refer to Table 3 for abbreviations used in all Measurement Functions and Screen Modes Special Messages See Table 4 Cursor Data Status Line see Table 2 Measurement Area see Table 3 Low Battery Condition 30V rms Input or in Hold Special Screen Messages see Table 4 a9c eps Figure 9 Display Screen ...

Page 30: ...measurement reading OL V Volts Overload Condition for the selected range over 600V if in AUTO OL A Amps Overload Condition for the selected range exceeds 2V peak if in AUTO Since the input from the Current Probe is 1 mV A maximum current input is 2000A pk OL VA Both volts and amps maximum inputs have been exceeded Note When an overload occurs all measurement and computation data must be presumed i...

Page 31: ...hase angle always shows the relation of Amps to the Volts PREF at the same frequency Cosφ calculations are based on this definition A RMS Amps RMS includes dc component if using dc capable current probe A PK Peak Amps 1 2 peak to peak value A DC Amps DC A HM For a current waveform A HM identifies the total harmonic current present A LEAD Amps Lead Volts Evidence of capacitive reactance in the syst...

Page 32: ...rmonic related heat loss in transformers and other magnetic components Used to select transformer K ratings that match load current K factor measurements PF Power Factor Ratio of active power to apparent power including all harmonics True power factor for all loads linear and non linear THD F Total Harmonic Distortion as of Fundamental Defines amount of harmonic distortion as a percentage of the w...

Page 33: ...eak to peak value V DC Volts DC V HM Harmonic Volts RMS For a voltage waveform V HM identifies the total harmonic voltage present VA KVA Kilo Volt Amps Apparent power a value that the Tester calculates by multiplying the rms value for current by the rms value for voltage VAR KVAR Kilo Volt Amps Reactive The reactive power component of the fundamental frequency W KW Active Power The average power d...

Page 34: ...e Tester displays this message until calibration is verified Return the Tester to a Service Center for repair or calibration See User Maintenance later in this manual STOP AVG AT 48 HOURS In Record averaging stops after 48 hours Note the average value shown then press Ronce to return to normal operation or twice to begin recording with new values PRINTING PRESS ANY KEY TO STOP On Model 41B this me...

Page 35: ...ation about the measurement inputs This format shows digital information on top and a waveform on the bottom The waveform vertical scale limits usually change automatically AUTO on to accommodate the magnitude of the input The horizontal scale represents 0 through 360 degrees one cycle of the fundamental frequency With a waveform screen displayed press or to activate the vertical cursor bar Contin...

Page 36: ...39 41B Users Manual 26 a10c eps Figure 10 Waveform Screens ...

Page 37: ...reen Harmonics 16 through 31 appear on the second screen Switch between harmonics screens by pressing when 15 is selected on the first screen or when 16 is selected on the second screen At the top of the screen the percentage shown compares the selected cursor magnitude to either the fundamental F or the total rms value R fundamental and all harmonics The Tester also shows the magnitude of the cur...

Page 38: ...39 41B Users Manual 28 a12c eps Figure 11 Harmonics Screens ...

Page 39: ...appears if either of the following conditions exists There is no input on the phase reference channel For example there is no voltage input when VP is selected There is no input on one of the measurement channels volts or amps a11s eps Figure 12 Harmonics Overload Screen ...

Page 40: ... ignored Using r in harmonic screens affects the display only and does not affect measurement range control To change measurement ranges the display must be in waveform or text screens An arrow at the top of the bar indicates that the harmonic has exceeded its scale The percent of harmonic and digital values are correct even when the harmonic bar exceeds its scale The cursor selection displays the...

Page 41: ...red or computed by the Tester Arrows appear on the primary text screen signifying that you can press to access a secondary text screen In watts the primary screen shows the single phase 1φ power reading The secondary 3φ 3C screen shows the estimates of the total three phase performance from one single phase reading ...

Page 42: ...39 41B Users Manual 32 a13c eps Figure 14 Text Screens ...

Page 43: ... to show the phase shift of the fundamental frequency and detect the existence and severity of nonlinearity caused by harmonics It could be that the VA Check screen may simply show that you have clamped the Current Probe in the wrong direction Figure 15 shows some typical VA Check signatures When the Tester is set for autoranging AUTO ranges for the vertical and horizontal scales on the VA Check s...

Page 44: ...load usually resulting from pulse type power supplies A nonlinear load resulting from a 3 phase six pulse rectifier power supply A linear load that is 180 degrees out of phase A Current Probe pointed in the wrong direction or reversed polarity voltage leads can cause this indication This incorrect alignment will also cause negative power readings A combination of harmonic content and phase shift o...

Page 45: ...n Record only the following keys are active E C F Press Ra second time to exit Record This action discards all recorded values and returns to the previous measurement screen The Tester begins storing a new set of values each time you start Record The Tester loses recorded values if the batteries discharge too much If b comes on during Record write down any values of interest You have ample time to...

Page 46: ...39 41B Users Manual 36 V A W a15c eps Figure 16 Record Screens ...

Page 47: ...e 80i 500s or a flat response for other probes P REF V Voltage Phase Reference selected For Model 41B KBAUD 9 6 is the standard configuration for Print or Send and EPSON is the standard configuration The Tester always selects autoranging at power up The power up configuration which is initially the same as the standard configuration can be changed by making entries from the configuration screen Th...

Page 48: ...ester begins normal operation using these selections The Tester also automatically sets up to these selections at the next power up To exit the screen without making changes press Eto cycle through all selection lines 4 To restore the standard configuration press R as you press Oon On Model 41B this action also clears waveform memory a16c eps Figure 17 Configuration Screens ...

Page 49: ... waveform harmonic and text screen information except Record when you recall the waveform The Tester stores waveforms in nonvolatile memory A low battery condition or a battery change does not jeopardize the stored waveforms Referring to Figure 18 use the following procedure to store and recall measurements 1 Press mto access the waveform storage screen The Tester freezes the existing waveform and...

Page 50: ...y by pressing E In all three cases the Tester holds the data represented by the waveform last seen on the memory screen and returns to the previous display mode While Hold is maintained you can access various representations and computations about the waveform by selecting different measurement function and screen mode combinations You can also send the associated data to a PC or a printer 5 Relea...

Page 51: ...s data through the RS 232 port when you press por sor when you send a command from the PC Note The side of the optical interface connector marked Optical Interface RS 232 C faces up when properly attached to the Model 41B Using the Configuration Screen you can set 1 2 9 6 or 19 2 KBAUD Other parameters are fixed as follows 1 start bit 8 data bits 1 stop bit and no parity ...

Page 52: ...39 41B Users Manual 42 P O W E R H A R M O N IC S A N A L Y Z E R 4 1 a18f eps Figure 19 Serial Communications Model 41B ...

Page 53: ...ding to a Printer or PC Model 41B Press sto start outputting calculated results to the printer or PC Model 41B stops outputting after it has sent a single set of calculated results At 9600 baud the Tester requires a few seconds to output a typical set of calculated values 1120 bytes Note Do not press por swhile printing or using FlukeView 41 software In either case pressing por sdisrupts communica...

Page 54: ...gator clips to live components The jaws of alligator clips can create a short circuit between closely spaced live parts Avoid making connections to feeder conductors or bus bars at elevated potentials Whenever possible make connections to the output side of a circuit breaker which can provide better short circuit protection ...

Page 55: ...plications 45 MOTOR L C LIGHTING L C UTILITY XFMR Plant Switch Gear Adjustable Frequency Speed Motor Drive Distribution Transformer Receptacle Load Center 230V 120V a19f eps Figure 20 Typical Applications ...

Page 56: ...h Gear Service Entrance Measure current load balance and total harmonic distortion Refer to Figure 21 Press fto select current AP for the display phase reference PO W ER HA RM ON IC S AN AL YZ ER 41 a20f eps Figure 21 Plant Switch Gear ...

Page 57: ...ure Power Factor K Factor power neutral current neutral frequency and load balance between phases Refer to Figures 22 and 23 P O W E R H A R M O N IC S A N A LY ZE R 41B I 2 3 N 1 2 3 a21f eps Figure 22 Distribution Transformer 1PWatts Text Screen ...

Page 58: ...ps Figure 23 Distribution Transformer 3P 3C Watts Text Screen Electronic Equipment Load Center Make connections to circuit breakers by first turning the circuit breaker off Then connect the alligator clip to the breaker output terminal via a short piece of insulated wire refer to Figure 24 ...

Page 59: ...n phases neutral current and frequency and harmonic distortion Measure input current crest factor and harmonics for PC copier printer and single phase UPS Most electronic equipment loads are nonlinear due to their use of switching type power supplies Black PO W ER HA RM ON IC S AN AL YZ ER 41B Red OFF ON a22f eps Figure 24 Receptacle Load Center Neutral Current Measurement ...

Page 60: ...50 Generator Set Measure for excessive current proper frequency adjust generator speed and other general uses Refer to Figure 25 Small generator shown PO W ER HA RM ON IC S AN AL YZ ER 41B a23f eps Figure 25 Generator Set ...

Page 61: ...current frequency of the drive Output current provides the most stable frequency measurement Input power and harmonic currents can also be measured Press fto select current AP for the display reference O U T PO WE R HA RM ON ICS AN AL YZ ER 41B IN B A C OUTPUT 2 1 3 INPUT OUTPUT INPUT B A C OUTPUT 2 1 3 INPUT a24f eps Figure 26 Adjustable Frequency Motor Drive ...

Page 62: ...t maintenance or repair The Tester uses four alkaline C cells supplied You can also use four rechargeable NiCad batteries which you must supply The Tester does not provide for internal recharging Note N T Used Nickel Cadmium batteries should be disposed of by a qualified recycler or hazardous materials handler Contact your authorized Fluke Service Center for recycling information Referring to Figu...

Page 63: ...from the Tester 5 Replace the C cells alkaline or recharged NiCad as shown in Figure 24 Observe the battery polarity shown in the battery compartment 6 Secure the battery access lid back in position with the two screws a25f eps Figure 27 Battery Replacement ...

Page 64: ...t then tap Cagain to store the setting If the screen is blank no dark flash Check the batteries If the batteries read below 1 1V replace them If the screen is still blank refer to If Your Tester Does Not Work for instructions on returning the unit If Your Tester Does Not Work If your Tester does not work make the following basic checks Examine the case for physical damage If you detect damage cont...

Page 65: ... will be returned at no charge Refer to the Warranty Card for warranty terms If the warranty has lapsed Fluke will repair and return the Tester for a fixed fee Contact your nearest Service Center for information and prices Accessories and Replacement Parts Service Manual The part number for the Service Manual is 601044 Accessories For a list of standard accessories included with the Tester see Unp...

Page 66: ...ws English software Model 41B 936880 1 39 41B Users Manual English 482287200916 1 39 41B Users Manual French 482287200918 1 39 41B Users Manual German 482287200917 1 39 41B Users Manual Spanish 482287200921 1 39 41B Users Manual Italian 482287200919 1 SW41 FlukeView Application Users Manual 600855 1 Quick Reference Guide Fluke 39 41B 107653 1 Service Manual Fluke 39 41B 601044 1 80i 500s AC Curren...

Page 67: ... rms or 1A rms Volts Measurements True rms Input Range 5 0V to 600V rms ac dc 5 0V to 933V peak Basic Accuracy rms ac dc 0 5 2 digits peak dc 2 3 digits 15V rms add 2 digits Input Impedance 1 MΩ balanced Crest Factor 3 0 below 300V 1 56 600V Amps Measurements True rms 1 mV A Isolated Input Input Range 1 00 mV A to 1000 mV rms A ac dc 1 0 mV A to 2000 mV A peak Basic Accuracy rms ac dc 0 5 3 digits...

Page 68: ...Smooth 20 Volts Fundamental to 13th Harmonic 2 2 digits 13th to 31st Harmonic 13th 2 2 digits 31st 8 2 digits Amps or Watts Fundamental to 13th Harmonic 3 3 digits probe specs 13th to 31st Harmonic 13th 3 3 digits probe specs 31st 8 3 digits probe specs 20A add 3 digits Phase Fundamental 2 degrees probe specs 2nd to 31st Harmonic 2nd 5 degrees 31st 20 degrees probe specs Frequency Measurement Accu...

Page 69: ...Using Smooth 20 1 00 to 5 00 4 Power Factor PF 0 00 to 1 00 0 02 Displacement Power Factor DPF 0 00 to 0 29 unspecified 0 30 to 0 69 0 04 0 70 to 0 89 0 03 0 90 to 1 00 0 02 Phase Measurement Range 179 to 180 degrees K Factor KF Model 41B 1 0 to 30 0 10 Total Harmonic Distortion THD THD F 0 0 to 799 9 0 03 x Reading 2 0 THD R 0 0 to 99 9 0 03 x Reading 2 0 ...

Page 70: ...ion 20V 0 1V 2A 0 01A 50W 1 0W 50V 0 1V 5A 0 01A 100W 1 0W 100V 0 1V 10A 0 01A 200W 1 0W 200V 0 1V 20A 0 01A 500W 1 0W 500V 1V 50A 0 1A 1 kW 0 01 kW 1 kV 1V 100A 0 1A 2 kW 0 01 kW 200A 0 1A 5 kW 0 01 kW 500A 1A 10 kW 0 1 kW 1000A 1A 20 kW 0 1 kW 2000A 1A 50 kW 0 1 kW 100 kW 1 kW 200 kW 1 kW 500 kW 1 kW 1 kkW 1 kW 2 kkW 1 kW ...

Page 71: ... NEDA 14A IEC LR14 supplied Operating Time 48 hours typical continuous without backlight Alternate Battery 4 NiCad Cells customer supplied and externally charged The tester prevents battery reversal by turning itself off if battery voltage drops below 4 0V dc Temperature Operating 0 to 50 C 32 to 122 F Storage 20 to 60 C 4 to 140 F Temperature Coefficient 0 1 x Specified Accuracy per degree C 0 to...

Page 72: ... Magnetic Compatibility RF Emissions EN 50081 1 Commercial Limits VFG 243 1991 RF Susceptibility EN 50082 1 Commercial Limits Council Directive Electromagnetic Compatibility Directive 89 336 EEC Drip Proof and Dust Proof Case per IEC 529 Section 3 IP 52 Dust Protected Drip Proof Display Type Super Twisted Liquid Crystal Size 3 0 inch diagonal 76 mm Resolution 160 W x 128 H pixels Contrast User adj...

Page 73: ...p II 600V Protection Class Protection Class II as described in IEC 1010 1 Annex H Double or Reinforced Insulation Waveform Memory Model 41B Eight nonvolatile memories store 2048 sampled points of waveform data for both Voltage and Current inputs for later recall or sending to a computer EIA 232 E RS 232 INTERFACE Model 41B Optically Isolated 1 2 9 6 or 19 2k baud rate Printer graphical output in e...

Page 74: ...39 41B Users Manual 64 ...

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