Fluke Work Light 39 User's Manual
Contents
1. 47 23 Distribution Transformer 32 Watts Text Screen 48 24 Receptacle Load Center Neutral Current Measurement 49 25 Generator 50 26 Adjustable Frequency Motor Drive 51 27 Battery Replacement 53 Using Your Tester Safely A Warning A To avoid electric shock use only the test leads supplied with the Tester Use 600V rated probe tip adapters 600V is printed on the equipment Remove all test leads that are not in use Use only the 80i 500s ac current probe or a safety designed equivalent such as the Fluke Model 80i 1000s that is rated for 600V on both the jaws and the measuring secondary Remove any current probe that is not in use In this manual a WARNING identifies conditions and actions that pose haz ard s to the user A Caution identifies conditions and actions that may 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 7 DANGEROUS VOLTAGE see explanation in AC ALTERNATING CURRENT Equipment protected throughout by DOUBLE INSULATION or REINFORCED INSULATION DC DIRECT CURRENT Either DC or AC 9 RECYCLING sis EARTH HIGH2. Figure 9 Display Screen 19 39 41B Users Manual Table 2 Status Line L va AUTO MAM SEHD PRAT Hold active screen frozen appears in lower left screen to indicate possible high voltage input that is not sensed during Hold Phase Reference Selection The volts input or the current input is the reference for determining phase shift Select A when measuring current only with voltage test leads not connected Smooth Selection Smooth is active with averaging times of 2 5 10 20 seconds A higher number signifies a more stable measurement reading Volts Overload Condition for the selected range over 600V if in AUTO Amps Overload Condition for the selected range exceeds 2V peak if in Since the input from the Current Probe is 1 mV A maximum current input is 2000A pk Both volts and amps maximum inputs have been exceeded Note When an overload occurs all measurement and computation data must be presumed invalid The Tester switches range automatically to deal with changing volts amps or watts readings Tester does not switch ranges automatically Memory location X last accessed X 1 to 8 Send is active prints test reports Model 41B Print is active prints screen dumps Model 41B 20 Display Screen Table 3 Screen Abbreviations Screen Usage For the Watts Name and Description Phase Angle degrees
3. 39 41B Users Manual 168 Hz 117 41 1 3 5 T 3 11815 al b 89 15 29 8 ED B HZ 4 166 xR ag B f a 1 C 3 T 8 TH 13 15 100 0 1 7 B cose 188 B 222211 1 3 5 7 3 11181 2 gt 28 Figure 11 Harmonics Screens Functions and Screen Modes The harmonics overload screen Figure 12 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 V is selected There is no input on one of the measurement channels volts amps FRHTUS 0 00 3 a 5 T 81h13 1 a alls eps Figure 12 Harmonics Overload Screen 29 39 41B Users Manual Harmonics Zoom Mode Use to scale a selected harmonic bar graph display Figure 13 to more easily read the harmonic information This mode automatically scales the bar graph display to 100 50 20 or 10 based on the largest harmonic value the magnitude of the fundamental is ignored Using 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 value
4. 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 Current Probe 1 TL24 Test Lead Set 1 TP 20 Test Probe Set 1 AC 20 Test Clip Set 1 80i 1000s AC Current Clamp Optional C41s Carrying Case Optional Use only specified replacement parts 56 Specifications Specifications Basic electrical specifications are defined over the temperature range from 18 C to 28 C for a period of one year after calibration Accuracy is specified of reading number of units in least significant digit Frequency Range Fundamental 6 65 Hz and dc Minimum Input Levels 5V 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 lt 15V rms add 2 digits Input Impedance 1 balanced Crest Factor gt 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 digits probe specs peak dc 2 4 digits probe specs Input
5. 180 Measures time from the positive zero crossing of the fundamental of the selected volts or amp REF 360 represents one cycle at the fundamental or selected harmonic frequency A positive sign indicates that the positive zero crossing of the measured cycle comes earlier than leads that of the reference Note screen the phase angle always shows the relation of Amps to the Volts REF at the same frequency calculations are based on this definition A RMS PE A Dc A Hh A LEAD Amps RMS includes dc component if using dc capable current probe Peak Amps 1 2 peak to peak value Amps DC For a current waveform A HM identifies the total harmonic current present Amps Lead Volts Evidence of capacitive reactance in the system the current waveform precedes the voltage waveform Amps Lag Volts Evidence of inductive reactance in the system the current waveform occurs after the voltage waveform Crest Factor Ratio of a waveform s peak value to its rms value 21 39 41B Users Manual Table 3 Screen Abbreviations cont Screen Usage DPF THD F x THD R Name and Description Displacement Power Factor fundamental The ratio of the active power W to the apparent power VA rms at the fundamental frequency Equivalent to 5 at that frequency Traditional power factor for linear loads Waveform Screens Fundamenta
6. 179 to 180 degrees Range 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 59 39 41B Users Manual Ranges and Resolution AC Volts AC Amps Watts Range Resolution Range Resolution Range Resolution PK PK PK 20V 0 1V 2 0 01 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 1 kW 2 kkW 1 kW 60 Specifications General Specifications Size 9 2 x 8 9 x 2 5 inches 234 x 100 64 mm Weight 2 0 lbs 1 kg Input Connectors Voltage 2 shrouded banana jacks 4 mm Current Probe 1 shrouded BNC jack Battery Type 4 Alkaline Cells ANSI 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 Temperature Operating 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 18 degrees 2
7. Screen Abbreviations eese eene 21 4 Special 88 8 2 it trt t tertie 24 9 Replacement 56 iii List of Figures Figure Title Page 1 Tester and Accessories 3 2 Additional Items Model 41B 4 3 Getting Acquainted 8 4 Measurement Connections 158 10 5 Three Phase Measurement Connections For Balanced Circuits 3 3 Conductor 11 6 Three Phase Measurement Balanced or Unbalanced Connections 3 3 Conductor 2 aaa 12 7 Three Phase Measurement Balanced or Unbalanced Connections 32 4 Conductor 13 8 Keypad 14 9 Display Screen 19 10 Waveform Screens 26 11 Harmonics Screens 28 12 Harmonics Overload Screen 0 29 13 Harmonics Zoom 5 000001 30 14 Text Screens 32 15 Typical VA Check Signatures esee 34 16 Record Screens isc eei i AT 36 17 Configuration Screens 38 18 JMe mOory ScIeenzu corem PE NOE 39 19 Serial Communications Model 41 42 20 Typical Applications 45 21 Plant Switch ec m anna n di 46 22 Distribution Transformer 1 Watts Text Screen
8. 16 Record Screens 15 Power Up Configuration HOLD ENTER Power Up Configuration The Tester has two types of configurations standard and power up The standard configuration which is programmed into the Tester and can always be retrieved includes the following settings e FECH y Volts Function selected e Waveform Screen Mode selected e THO FMS Total Harmonic Distortion computed as percentage of the total RMS value e CLAMF 501 3005 801 5005 Current Probe is selected specifies any current probe other than the 801 5005 The Tester has been calibrated to provide either compensation for the 801 5005 or a flat response for other probes e REF Voltage Phase Reference selected For Model 41B FEAWD 6 is the standard configuration for Print or Send and EPSUH 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 The Tester sets up to the power up configuration each time it is turned on You can change the power up configuration using the following procedure 1 Press while pressing 2 to turn the Tester on The configuration screen appears See Figure 17 2 Press lt and gt to highlight different items on the same line Press to select the currently highlighted item and p
9. 41B Power Harmonics Testers hereafter referred to as the Tester All information applies to both models unless otherwise indicated Uses for the Tester You can use the Tester to measure voltage and current inputs at power line and harmonic frequencies Using these inputs the Tester automatically calculates power and a wide range of other measurements useful in determining harmonic distortion levels and sources The Tester can display power calculations 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 overvoltage line outages and neutral to ground levels current levels or to measure power levels Fundamental frequency measurements to 100 Hz and harmonic frequency measurements to about 2 kHz are also possible The Tester cannot measure frequencies above about 2 kHz Use the ScopeMeter test tool to measure fast power transients 39 41B Users Manual Unpacking The following items are included in your tester kit see Figure 1 e Model 39 Power Meter or Model 41B Power Harmonics Analyzer e 801 5005 AC Current Probe e TL 24 Test Leads e 20 Test Probes e AC 20 Tes
10. Distribution Transformer 191 Figure 20 Typical Applications 45 39 41B Users Manual Plant Switch Gear Service Entrance Measure current load balance and total harmonic distortion Refer to Figure 21 Press to select current A for the display phase reference a20f eps Figure 21 Plant Switch Gear 46 Applications Distribution Transformer Measure Power Factor K Factor power neutral current neutral frequency and load balance between phases Refer to Figures 22 and 23 1 a21f eps Figure 22 Distribution Transformer 1 Watts Text Screen 47 39 41B Users Manual a82f eps i Figure 23 Distribution Transformer 3 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 48 Applications Measure for excessive current tripping of circuit breakers and other general measurements such as level of current flow in each circuit Measure balance between 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 non
11. Impedance 1 MQ 47 pF Crest Factor gt 3 0 below 600 mV 2 0 1000 mV 57 39 41B Users Manual Watts Measurements Volt Amps 1 mV A Isolated Input Range 0 W VA to 600 kW kVA average 0 W VA to 2000 kW kVA peak Accuracy ac dc Active W VA 1 4 digits probe specs Harmonics Measurement Accuracy Cursor Data Harmonic Level gt 5 Using 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 digits probe specs 13th to 31st Harmonic 13th 396 3 digits probe Specs 31st 896 3 digits probe specs lt 20 add 3 digits Phase Fundamental 2 degrees probe specs 2nd to 31st Harmonic 2nd 5 degrees 31st 20 degrees probe specs Frequency Measurement Accuracy Fundamental 6 0 Hz 99 9 Hz 6 0 Hz 99 9 Hz 0 3 Hz 58 Specifications Other Measurement Specifications Measurement Function Range Resolution Accuracy Input Bandwidth 0 5 dB DC 6 Hz to 2 1 kHz Crest Factor CF Using 1 00 to 5 00 4 Smooth 20 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
12. and forward it postage paid to the nearest Service Center Include a description of the problem Fluke assumes no responsibility for damage in transit At its option Fluke will repair or replace a Tester under warranty The Tester 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 Unpacking earlier in this manual Optional accessories are as follows e 80i 1000s AC Current Probe e 41 Soft Carrying Case 55 39 41B Users Manual Replacement Parts Parts that can be replaced by the user are shown in Table 5 Refer to the Service Manual for a complete list of replaceable parts Table 5 Replacement Parts Description Fluke PN Qty Battery each C cell 4 required 423582 1 Battery door with screws 936807 1 Hook tilt stand 936810 1 RS 232 Serial cable Model 41B PM9080 1 FlukeView 41 Windows English software Model 936880 1 41B 39 41B Users Manual English 482287200916 1 39 41B Users Manual French 482287200918 1 39 41B Users Manual German 482287200917 1
13. 8 to 50 degrees 61 39 41B Users Manual Humidity noncondensing Operating 0 30 C 90 30 40 C 75 40 50 C 45 Storage 90 Altitude Operating 10 000 feet 3 km Storage 40 000 feet 12 km Shock amp Vibration MIL T 28800 class 3 sinusoidal nonoperating Electro 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 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 adjustable Backlight Yellow green LED 62 Specifications Safety Designed for 600 measurements on industrial power distribution circuits A Overload Protection Voltage or Current Probe Input 600V maximum Surge Protection 6 kV per IEC 1010 1 Maximum Voltage Isolation to Earth 600V from any terminal Protection Levels IEC 1010 1 Pollution Degree 2 Installation Category III Material Group 11 600V Protection Class Protection Class 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
14. BNC INPUT International Safety Symbols Safety Guidelines for Tester and Voltage Probe To ensure that you use your Tester safely follow these guidelines Avoid working alone Inspect the test leads for damaged insulation or exposed metal Check test lead continuity with a multimeter Replace damaged leads Do not use the Tester if it looks damaged When using the voltage test leads keep your fingers away from the probe contacts Keep your fingers behind the finger guards on the probes Use caution when measuring above 60V dc or 30V ac rms Such voltages pose a shock hazard AC Current Probe Safety Guidelines Follow these safety guidelines when using the AC Current Probe Never use the 801 5005 current probe on circuits rated higher than 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 801 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 operation tape the probe shut to prevent operation The 801 5008 has been designed and tested according to IEC 1010 1 1992 and other safety standards Follow all warnings to ensure safe operation vi About This Manual This manual contains instructions for the 39 and
15. DENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 5602 B D Eindhoven 98206 9090 The Netherlands SERVICE CENTERS To locate an 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 3 1 402 678 200 in Europe 1 425 356 5500 from other countries Table of Contents About This nennen nennen Uses for the Tester Unpacking sx 5d tea ates aa Terminology Used in This Manual e Battery Considerations Memory RetenttOn eoi E eese ee eese nio eere tae Automatic Power Getting Acquainted with Your Tester Input Connections a Using the Voltage Test Leads Using the Current Prob
16. E RS 232 INTERFACE Model 41B Optically Isolated 1 2 9 6 or 19 2k baud rate Printer graphical output in either Epson or HP format Text data is sent is ASCII format SEND Waveform Data and Picture formats may be remotely accessed Remote Trigger function 63 39 41B Users Manual 64
17. FLUKE 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 LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke war rants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves th
18. amental such as the third harmonic in the neutral current of a 3 53 4 wire system supplying non linear loads To obtain the frequency of a harmonic select the harmonic screen and use 7 and gt to position the cursor arrow under the harmonic of interest 25 39 41B Users Manual BO 0H 117 54 MEMS RMS 33 4 3 58 UE A A 138 sem Figure 10 Waveform Screens 26 Functions and Screen Modes Harmonics Screen Mode The Harmonics Screen Mode Figure 11 uses a set of screens to display magnitude bars for all harmonics and digital information about the selected harmonic Select a harmonic by pressing lt and gt to move the cursor along the bottom scale DC 1 the fundamental frequency and harmonics 2 through 15 appear on the first screen Harmonics 16 through 31 appear on the second screen Switch between harmonics screens by pressing when 15 18 selected the first screen lt 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 cursor selection The frequency of the selected harmonic is shown in Hertz below the percentage Note The watts harmonic screen always uses the F fundamental definition 27
19. ashes or is Blank at Power Up If the screen flashes or is blank at power up it may be caused by a low contrast setting If neither or the following procedures works refer to If Your Tester Does Not Work for instructions on returning the unit for repair If the instrument flashes a dark test pattern and then appears blank Tap then hold gt down for several seconds A normal screen display should appear Adjust to the desired contrast then tap again 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 e Examine the case for physical damage If you detect damage contact a Fluke Service Center Refer to the list of service centers at the end of this manual Are you testing a live circuit Test on a known live circuit e Check the batteries test leads and Current Probe If necessary replace any of these items e Review applicable parts of this manual to make sure you are operating the Tester correctly e When measuring current without the voltage test leads connected you must select A for the phase reference see Table 1 54 Accessories and Replacement Parts If the Tester still does not work pack it securely
20. creen Press a second time to return to normal operation Also you can clear all stored waveforms by holding pressed as you press 0 on See also Storing and Recalling Measurements 16 Keypad Table 1 Key Descriptions cont Number 8 10 Symbol REF SEND SMOOTH Name amp Description Phase Reference Press to select volts or amps as the display phase reference Voltage reference is the standard configuration For current only measurements press to set i To change the power up phase reference see Power Up Configuration later in this manual Send Model 41B Press to print a test report of calculated measurements to a printer or PC The Tester displays SEHD Do not press when FlukeView 41 application software is in use See Sending to a PC Smooth Smooth allows you to average waveforms resulting in a more stable screen and increased accuracy of computations See Specifications Press four times to step through the Smooth selections 2s 58 Pw 10s 205 in the top status line Pressing a fifth time returns the Tester to normal operation 17 39 41B Users Manual Table 1 Key Descriptions cont Number 11 12 13 14 Symbol PRINT RECORD HOLD ENTER Name amp Description Print Model 41B Press to print a screen dump to a printer The Tester displays To stop printing
21. e Three Phase Power Measurements Display Screen Functions and Screen Modes Waveform Screen Mode a Harmonics Screen Harmonics Zoom Mode Text Screen VA Check Sore h aa a EE AN I IERE SUENE temen Recording Measurements Power Up Configuration Storing amp Recalling Measurements Model 41B Using the Serial Cable Model 41 Printing Model 41B Sending to a Printer or PC Model 41B Using PC Software With the Tester Model 41B Applications nennen Plant Switch Gear Service Entrance Distribution Transformer Electronic Equipment Load Center Generator Set aa bee ORENSE Fluke 39 41B Users Manual Adjustable Frequency Speed Motor Drive 51 User Maintenance a 4 meer rre Erie e 52 Cleaning 52 Fuse Replacement 52 Battery Replacement 52 Operational 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 ere e ebrei e ed AI SASA ES 57 ii List of Tables Table Title Page I Key Descriptl ons EEEE TENE 15 2 EE 20 3
22. e right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within 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 If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return trans portation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PUR POSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCI
23. e 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 Release the memory display and return to the active display mode by pressing Notes You can clear all memory locations by holding pressed while you press on and information in the RECORD mode cannot be stored in a memory location Using the Serial Cable Model 41B Using the Serial Cable Model 41B Model 41B communicates with a PC or printer Figure 19 through an isolated RS 232 port The Tester outputs data through the RS 232 port when you press or or 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 2 7 6 or 19 2 Other parameters are fixed as follows 1 start bit 8 data bits 1 stop bit and no parity 41 39 41B Users Manual Figure 19 Serial Communications Model 41B 42 Printing Model 41B PRINT Printing Model 41B Pressing sends data for the present screen to a printer Printer type compatibility is selected on the configuration screen as Epson or HP The T
24. er stores a measurement as digital data You can recreate all related 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 to access the waveform storage screen The Tester freezes the existing waveform and shows the screen in Figure 18 2 Press lt or gt to select the desired operation RECALL STORE or ELEAF Then press 3 Select one of the eight memory locations by pressing 4 gt to box one through eight An underscore appears below a filled memory location uci MAH RIMS RECALL STORE CLEAR A 123456508 500 a 50 g 180 see 175 Figure 18 Memory Screen 39 39 41B Users Manual 4 40 STORE a waveform set and associated data into the boxed memory location by pressing If the location was empty an underscore now appears below the memory location number If the underscore already existed STORE overwrites the old waveform the selected memory location waveform and associated data from the boxed memory location by pressing RECALL the selected memory location to view the contents directly by pressing In all three cases the Tester holds the data represented by th
25. ester calculates by multiplying the rms value for current by the rms value for voltage Kilo Volt Amps Reactive The reactive power component of the fundamental frequency Active Power The average power dissipated also called real power 23 39 41B Users Manual Table 4 Special Messages 4 Press lt gt to adjust contrast Press to exit contrast control and store current setting CALIBRATION ERROR CONTACT FLUKE SERVICE The Tester has detected a calibration error at power up Since erroneous readings result the 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 once to return to normal operation or twice to begin recording with new values PRINTING PRESS ANY KEV T STOP On Model 41 this message appears when you press or Press any key to resume normal operation 24 Functions and Screen Modes VI NS m Functions Screen Modes The Tester uses a set of multipurpose screens to present each type of measurement volts amps watts as a waveform a relational bar chart of harmonics or a series of digital text readouts With multiple values and co
26. ester displays and the following message appears PRINTING X FRESS ANY KEV T STOP Press any key to abort printing all keys then return to their normal functions SEND Sending to a Printer or PC Model 41B Press to 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 Or while printing or using FlukeView 41 software In either case pressing Or disrupts communications Using PC Software with the Tester Model 41B FlukeView 41 software is provided for Windows Refer to the operating instructions provided with the software 43 39 41B Users Manual Applications 44 A Warning A To avoid electric shock and or equipment damage use caution when connecting alligator 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 Applications LIGHTING L C Frequency Speed Motor UTILITY Drive Adjustable XFMR Receptacle Load Center
27. g the batteries The Tester must be disconnected from all sources before you can open it for any adjustment battery replacement 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 ws Note Gd x Ni Cd Cd 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 Figure 27 use the following procedure to replace the batteries 1 Press off 2 Disconnect the voltage test leads and the Current Probe at the test points first and at the Tester second 3 Place the Tester face down on a nonabrasive surface Loosen the two screws with a flat blade screwdriver 52 User Maintenance 4 Lift the battery access lid away 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 53 39 41B Users Manual Operational Test Use any of the applications shown in this manual to verify volts amps and watts measurability For a full operational test refer to the Service Manual P N 601044 If the Screen Fl
28. hange in the Configuration Screen e Voltage 3 4 Wire Connect the red test lead to the desired phase voltage connect the black test lead to neutral e Voltage 3 phase 3 Wire example A Connect the red test lead to the phase conductor used by the Current Probe connect the black test lead to another phase Using the Voltage Test Leads The TL 24 Test Lead and AC 20 Test Clip combination Figure 1 which allows for hands free voltage measurements is preferred when you are also using the Current Probe Note Figure 4 shows suggested test lead and current probe usage 39 41B Users Manual Using the Current Probe The accuracy of current and power readings depends on properly using the 801 5008 Current Probe The accuracy specifications in this manual assume that the Current Probe is used correctly e Always clamp the 801 5008 Current Probe with the arrow pointing toward the load away from the source for a phase measurement or toward the source for a neutral measurement Press to 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 e Always clamp the Current Probe around a single conductor or parallel conductors that are carrying current for the same phase e Always center the conductor in the Current Probe alignment marks Figure 4 Measurement Connec
29. ids check power factor PF If the ellipsoid is backwards upper left to lower right check that you have pointed the current probe in the right direction A nonlinear 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 of the fundamental frequency A pattern indicative of a silicon controlled rectifier SCR power supply 14 Figure 15 Typical VA Check Signatures 34 Recording Measurements RECORD Recording Measurements Press to begin recording readings for all measurement functions Then press lt J or gt to cycle through the screens for the function presently selected You can also switch between measurement functions while in Record mode See Figure 16 for an overview of possible record screens For any function the Tester displays screens in the following order e The present readings This screen always appears first when you start Record e Ax maximum values measured since you started Record e F The averages of values measured since you started Record Average values stop updating after 48 hours of continuous record ope
30. l frequency in hertz Harmonics Screens Frequency of selected harmonic in hertz K Factor A load current waveform rating calculation that rates the waveform s capability to produce harmonic related heat loss in transformers and other magnetic components Used to select transformer K ratings that match load current K factor measurements Power Factor Ratio of active power to apparent power including all harmonics True power factor for all loads linear and non linear Total Harmonic Distortion as of Fundamental Defines amount of harmonic distortion as a percentage of the waveform at the fundamental frequency 96 THD F rms of harmonics less fundamental rms of fundamental Total Harmonic Distortion as of rms total Defines amount of harmonic distortion as a percentage of the rms value of waveforms at all frequencies fundamental and harmonics THD rms of harmonics less fundamental total rms 22 Display Screen Table 3 Screen Abbreviations cont Screen Usage RMS Cus 8 v PK v DC v HM EMA VAR EVAR il Name and Description Volts rms includes dc component Cosine of the angle between the voltage and the current at any single frequency Peak Volts 1 2 peak to peak value Volts DC Harmonic Volts RMS For a voltage waveform identifies the total harmonic voltage present Kilo Volt Amps Apparent power a value that the T
31. linear due to their use of switching type power supplies a22f eps Figure 24 Receptacle Load Center Neutral Current Measurement 49 39 41B Users Manual Generator Set Measure for excessive current proper frequency adjust generator speed and other general uses Refer to Figure 25 Small generator shown a23f eps Figure 25 Generator Set 50 Applications Adjustable Frequency Speed Motor Drive Measure input and output current and current frequency Refer to Figure 26 The Tester measures the output current frequency of the drive Output current provides the most stable frequency measurement Input power and harmonic currents can also be measured Press to select current A for the display reference OUTPUT BC a24f eps Figure 26 Adjustable Frequency Motor Drive 51 39 41B Users Manual User Maintenance Cleaning Clean your Tester with a damp cloth and a mild detergent Do not use abrasives solvents or alcohol Fuse Replacement The Tester uses electronically protected inputs no fuses are required Battery Replacement A Warning A To avoid electrical shock disconnect the voltage test leads and the current probe before replacin
32. mputations on each screen you only need to press a few keys to see everything there is to know about power or just voltage or current at the test point Cycle through the choices by pressing either or both of these keys The Tester preserves selections that are active in one screen as you switch to another screen For example if you are measuring harmonic 7 in the Volts Harmonic Screen and change function the Tester continues measuring harmonic 7 in the amps and watts harmonic screens Waveform Screen Mode Volts amps and watts waveform screens Figure 10 use a common format to present information 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 lt or gt to activate the vertical cursor bar Continue to press these keys to position the cursor along the horizontal degree scale A second line of digital information defines the magnitude and phase for the point where the cursor bar intersects the waveform Note In the waveform screens the frequency displayed is the frequency of the fundamental This is normally true even when the signal being measured contains an individual harmonic with an amplitude greater than the fund
33. o Figure 3 perform the following key presses to familiarize yourself with basic tester operations 1 e to turn the Tester on 2 brief press 1 or gt to change screen contrast hold 1 second to turn the backlight on or off 3 H to select a measurement function Volts Amps Watts 4 to select a screen mode Waveform Harmonics Text 5 como to start recording measurements lt D to select HOW MAX AVG recording UV to select a different measurement function while recording to exit recording 6 to turn the Tester off 39 41B Users Manual Figure 3 Getting Acquainted Input Connections Input Connections Refer to Figure 4 for a view of the two input measurement scheme To measure voltage insert the red test lead in V and the black test lead in COM Current measurement uses a BNC connector attached to CURRENT PROBE Connect V and to measure only voltage connect CURRENT PROBE to measure only current Make all three connections for power measurements Observe the following connection guidelines Current Clamp the Current Probe around the desired phase or neutral conductor Make sure the arrow on the probe points toward the load phase or the source neutral The Tester is set up for use with an 801 5008 Current Probe If you use another probe you must make a selection c
34. ontrast with lt gt tap again to store setting and return to normal operation Press and hold for about 1 second to turn the backlight on or off 4 Screen Mode Press to cycle the Tester through Waveform Harmonics and Text Screen Modes You select the Measurement Function Volts Amps or Watts independently of the Screen Mode 15 39 41B Users Manual Table 1 Key Descriptions cont Number 5 Symbol RANGE MEMORY Name amp Description Range Waveform and Text Press momentarily to start manual ranging MAM for all Measurement Functions M Continue momentary presses to cycle through the ranges for the selected Measurement Function only Ranges do not change for the other two Measurement Functions Press and hold about 1 second to return to autoranging AUTO for all Measurement Functions W The Tester always begins autoranging at power up Range Harmonics Press momentarily 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 VA Check Press at any time for a check of the volts versus amps signature at the test point Press a second time to return to normal operation See also VA Check section Memory Model 41B Press to access the Waveform Storage S
35. peration Plan to replace the batteries as soon as possible after the symbol comes on Refer to User Maintenance later in this manual for battery changing instructions Note After the Tester is dropped it may not turn on Check the batteries to see if they are misaligned or damaged Reseat the batteries if they are misaligned replace the batteries if they are damaged Memory Retention Whenever you remove power from the Tester pressing 2 off 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 Automatic Power Down If you do not press any keys for approximately 15 minutes the Tester normally powers down automatically If Record is active the Tester continues to operate unattended as long as the battery condition allows The Tester returns to its power up configuration whenever you turn it on If the Tester encounters a memory error at power up it automatically turns itself off Check the batteries and try turning the Tester on again If this problem persists contact a Fluke Service Center Getting Acquainted with Your Tester Getting Acquainted with Your Tester While referring t
36. press any key Do not press when FlukeView 41 application software is in use See Sending to a PC Record Press to start Record Press a second time to resume normal operation You can also return the Tester to its standard factory programmed configuration by holding as you press 2 Hold Press to freeze the screen appears in the top line You can now observe all screens for a single measurement Press again to resume normal operation serves as the ENTER key when used with some other screens Also you can access the Power Up Configuration Screen by pressing as you press 0 on Measurement Function Press to cycle the Tester through Volts Amps and Watts Measurement Functions You select the Screen Mode Waveform Harmonic or Text independently of the Measurement Function 18 Display Screen Display Screen The screen consists of the following three areas see Figure 9 e Status Line identifies Tester operating conditions See Table 2 e Measurement Area 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 e Special Messages See Table 4 Status Line see Table 2 Measurement Area see Table 3 Cursor Data N Le MAH RMS 4 COHTRAST M MM Screen Messages see Table 4 30V rms Input or in Hold Low Battery Condition 9
37. ration e HIM minimum values measured since you started Record When in Record only the following keys are active Vv b 3 Press a 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 comes on during Record write down any values of interest You have ample time to do this with alkaline batteries NiCad batteries discharge much more rapidly once M comes on Changing the battery erases the Record memory You can access 12 different record screens MAH AVG and for volts amps and watts measurement functions Figure 16 presents an overview of the record measurements and computations available by function Note The Record mode acquires only single phase data approximately every 500 ms 0 55 It is not intended to capture transients nor is it able to capture single events on the power line 35 39 41B Users Manual RANGE ean 54 Ug RECORD MAN 117 9 8 Sot 5G E 59 9 V RECORD MAX RANGE 33 40 8 TH 59 9 RECORD AYG RANGE 2 4 4 82 Bg fi HOW MAS AVG lt gt RECORD 36 Figure
38. roceed to the next line 37 39 41B Users Manual 3 To exit the screen press to select a highlighted item on the last line and store all selections you have made during this configuration session The Tester 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 to cycle through all selection lines To restore the standard configuration press as you press 2 on On Model 41B this action also clears waveform memory SETUP 33 WER 2 8 b FCH II AMPS WATT DISP AMES HARM TEXT THD EE CLAMP EGREREER OTHER AMPS SELECT SETUP 416 WER 2 8 FCH A AMPS WATT DISP AEM HARM TEXT F CLAND EES OTHER amp nr BAUG 1 2K ENGA PFIHT ACCEPT ENTER 38 16 Figure 17 Configuration Screens Storing amp Recalling Measurements Model 41B MEMORY Storing amp Recalling Measurements Model 41B Model 41B allows you to store a maximum of eight waveforms and associated data for volts and amps You can recall data that you have collected on site for later viewing and analysis If you store multiple waveforms in this manner you will probably want to keep a written record identifying the waveforms by number The Test
39. s are correct even when the harmonic bar exceeds its scale The cursor selection displays the percent of the harmonic and its value in digital form 4 135 T 3 1151 4 a84s eps Figure 13 Harmonics Zoom Screen 30 Functions and Screen Modes Text Screen Mode Text screens Figure 14 present digital information for values measured or computed by the Tester Arrows appear on the primary text screen signifying that you can press gt to access a secondary text screen In watts the primary screen shows the single phase 10 power reading The secondary 3 3C screen shows the estimates of the total three phase performance from one single phase reading 31 39 41B Users Manual UZ MEMS RANGE 117 5 idi 188 8 1 U pc O H ATHER 54 gt V Uri MEMS ke 33 47 188 TB 5 A PK 3 45 4 e a 2 09 gt Ure MEMS ase 3 9 4 89 1 BP a TR Ure MEMS FAHGE ns M eaa 3 3 HH 1 99 9 THe fa gt Uri MEMS 33 4 s A 5 2e aqu 54 gt RANGE Ure MEMS RANGE 1 3 is ea B EUR 5 UT DPF 54 Ci 32 13 Figure 14 Text Screens VA Check Screen VA Check Screen Press at any time to access the VA Check screen which displays volts graphed agains
40. t Clips Your kit also includes the following printed materials e Users Manual this book Quick Reference Guide e Warranty Registration Card For Model 41B only the following additional items are included Refer to Figure 2 e RS 2232 Serial Cable e FlukeView amp 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 the supplier immediately Unpacking Test Leads Set of two Red and Black SS E 80i 500s AC Current 9 Figure 1 Tester and Accessories 39 41B Users Manual AC Companion S 3 5 Inch Floppy Disks FlukeView 41 a3f eps Figure 2 Additional Items Model 41B Terminology Used in This Manual Terminology Used in This Manual This manual uses the following standard terminology Mains is line voltage or frequency ol 02 and 03 refer to the three current supply phases Delta Wye 0 N is Neutral is Earth ground AC Current Probe or Probe refers to the 80i 500s which can also be called a current clamp 39 41B Users Manual Battery Considerations New alkaline C cells typically provide more than 48 hours of continuous operation You can also use NiCad batteries However depending on battery condition fully charged NiCad batteries provide 16 hours or less of continuous o
41. t amps Press a second time to exit the VA Check screen and return to your starting point With the VA Check screen the Tester displays one cycle of the fundamental frequency current on the vertical scale voltage on the horizontal scale The resulting graph can appear as a straight line a stepped line an ellipsoid or as some other pattern that you would normally expect to see on an oscilloscope with two input channels Use the VA Check screen 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 FILI TCI ranges for the vertical and horizontal scales on the VA Check screen are adjusted automatically to provide a meaningful display If the Tester is set for manual ranging MAM both scales ranges are fixed you may have to choose AHTO press for 1 second or select an appropriate manual range in either V or A or both functions 1 e press briefly for each range change Note Vor A ranges cannot be changed while in the VA Check screen 33 39 41B Users Manual A linear load with no phase shift A linear load with phase shift A narrow ellipsoid in this pattern usually does not mean there is a problem For wider ellipso
42. tions 157 Three Phase Power Measurements Three Phase Power Measurements Refer to Figures 5 6 and 7 for various ways to measure total power in a three phase system The ll 3 display screen shows the three phase calculation for the connection shown in Figure 5 All other screens and functions show only single phase data Black 4 1 a 4f eps Figure 5 Three Phase Measurement Connections For Balanced Circuits 3 3 Conductor A 11 39 41B Users Manual 2 2 a6f eps Figure 6 Three Phase Measurement Balanced or Unbalanced Connections 3 3 Conductor or Three Phase Power Measurements a7f eps Figure 7 Three Phase Measurement Balanced or Unbalanced Connections 357 4 Conductor 13 39 41B Users Manual Keypad Refer to Figure 8 and Table 1 for keypad operation Figure 8 Keypad Keypad Table 1 Key Descriptions Number Symbol Name amp Description 1 Power Press once to turn the Tester on a test pattern is displayed briefly Test pattern remains displayed while key is held pressed Press again to turn the Tester off The Tester sets up to the power up configuration each time you turn it on Arrow Keys areas for specific and gt descriptions Contrast Backlight gt These keys have multiple uses Refer to other Tap briefly to adjust c
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