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Fluke 39 User Manual

Fluke 39 User Manual

Power harmonics tester
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Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
®
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.

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  • Page 1 Advanced Test Equipment Rentals www.atecorp.com 800-404-ATEC (2832) ® 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.
  • Page 2 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.
  • Page 3 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 +31-402-678-200 in Europe +1-425-356-5500 from other countries...

  • Page 5: Table Of Contents

    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 (Model 41B) .......
  • Page 6 Fluke 39/41B Users Manual Adjustable Frequency (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 ............
  • Page 7 List of Tables Table Title Page Key Descriptions ..............15 Status Line ................20 Screen Abbreviations..............21 Special Messages ..............24 Replacement Parts..............56...
  • Page 8 Harmonics Zoom Screen............30 Text Screens ................32 Typical VA Check Signatures........... 34 Record Screens................. 36 Configuration Screens .............. 38 Memory Screen ................ 39 Serial Communications (Model 41B)........42 Typical Applications..............45 Plant Switch Gear ..............46 Distribution Transformer (1 Watts Text Screen) ....

  • Page 9: Safety

    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.
  • Page 10 • 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: •...

  • Page 11: About This Manual

    About This Manual This manual contains instructions for the 39 and 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.

  • Page 12: Unpacking

    39/41B Users Manual Unpacking The following items are included in your tester kit (see Figure 1): • Model 39 Power Meter or Model 41B Power Harmonics Analyzer • 80i-500s AC Current Probe • TL-24 Test Leads • TP-20 Test Probes •...

  • Page 13: Tester And Accessories

    Unpacking 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: Additional Items (Model 41B)

    39/41B Users Manual RS-232 Cable Companion Software 3.5-Inch Floppy Disks (FlukeView 41) a3f.eps Figure 2. Additional Items (Model 41B)

  • Page 15: Terminology Used In This Manual

    Terminology Used in This Manual Terminology Used in This Manual This manual uses the following standard terminology: • “Mains” is line voltage or frequency. • “φ1”, “φ2”, and “φ3” refer to the three current supply phases. • “Delta” • “Wye” •...

  • Page 16: Battery Considerations

    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.

  • Page 17: Getting Acquainted With Your Tester

    Getting Acquainted with Your Tester Getting Acquainted with Your Tester While referring to Figure 3, perform the following key presses to familiarize yourself with basic tester operations. < > to turn the Tester on. (brief press) and to change screen contrast. (hold 1 second) to turn the backlight on or off.

  • Page 18: Getting Acquainted

    39/41B Users Manual a4f.eps Figure 3. Getting Acquainted...

  • Page 19: Input Connections

    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.”...

  • Page 20: Using The Current Probe

    39/41B Users Manual Using the Current Probe The accuracy of current and power readings depends on properly using the 80i-500s Current Probe. The accuracy specifications in this manual assume that the Current Probe is used correctly. • Always clamp the 80i-500s 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.

  • Page 21: Three-Phase Power Measurements

    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 W 3 P 3C display screen shows the three-phase calculation for the connection shown in Figure 5. All other screens and functions show only single-phase data.
  • Page 22 39/41B Users Manual Load φ φ Black φ total PF = 3 (VA + VA ) /2 a6f.eps Figure 6. Three-Phase Measurement, Balanced or Unbalanced Connections (3 , 3-Conductor,...
  • Page 23 Three-Phase Power Measurements φ1 φ2 Load Black φ3 Black Black total a7f.eps Figure 7. Three-Phase Measurement, Balanced or Unbalanced Connections (3 , 4-Conductor)

  • Page 24: Keypad

    39/41B Users Manual Keypad Refer to Figure 8 and Table 1 for keypad operation. a8f.eps Figure 8. Keypad...

  • Page 25: Key Descriptions

    Keypad Table 1. Key Descriptions Number Symbol Name & Description 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.
  • Page 26 39/41B Users Manual Table 1. Key Descriptions (cont) Number Symbol Name & Description Range (Waveform and Text) Press momentarily to start manual ranging (MAN) for all Measurement Functions (V, A, W). Continue momentary presses to cycle through the ranges for the selected Measurement Function only.
  • Page 27 Keypad Table 1. Key Descriptions (cont) Number Symbol Name & 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 . To change the power-up phase reference, see “Power-Up Configuration”...
  • Page 28 39/41B Users Manual Table 1. Key Descriptions (cont) Number Symbol Name & Description Print (Model 41B) Press to print a screen dump to a printer. (The Tester displays .) To stop printing, press any key. Do not press when FlukeView 41 application software is in use.

  • Page 29: Display Screen

    Display Screen Display Screen The screen consists of the following three areas (see Figure 9): • Status Line: identifies Tester operating conditions. See Table 2. • 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.

  • Page 30: Status Line

    39/41B Users Manual Table 2. Status Line Hold active (screen frozen). L 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 AP when measuring current only with voltage test leads not connected.

  • Page 31: Screen Abbreviations

    Display Screen Table 3. Screen Abbreviations Screen Usage Name and Description Phase Angle degrees. ( ± 180 ° ) ° Measures time from the positive zero crossing of the fundamental of the selected volts or amp P REF. 360 ° represents one cycle at the fundamental or selected harmonic frequency.
  • Page 32 39/41B Users Manual Table 3. Screen Abbreviations (cont) Screen Usage Name and Description φ Displacement Power Factor cos fundamental The ratio of the active power (W) to the apparent power (VA rms) at the fundamental frequency. Equivalent to cos φ at that frequency. Traditional power factor for linear loads.
  • Page 33 Display Screen Table 3. Screen Abbreviations (cont) Screen Usage Name and Description V RMS Volts rms (includes dc component). COS P} Cosine of the angle between the voltage and the current at any single frequency. V PK Peak Volts (1/2 peak-to-peak value). V DC Volts DC.

  • Page 34: Special Messages

    * 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”...

  • Page 35: Functions And Screen Modes

    Functions and Screen Modes Functions and 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 computations 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.

  • Page 36: Waveform Screens

    39/41B Users Manual a10c.eps Figure 10. Waveform Screens...

  • Page 37: Harmonics Screen Mode

    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 to move the cursor along the bottom scale.

  • Page 38: Harmonics Screens

    39/41B Users Manual a12c.eps Figure 11. Harmonics Screens...

  • Page 39: Harmonics Overload Screen

    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 VP is selected. • There is no input on one of the measurement channels (volts or amps).

  • Page 40: Harmonics Zoom Mode

    39/41B Users Manual Harmonics Zoom Mode Use r 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;...

  • Page 41: Text Screen Mode

    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 to access a secondary text screen. In watts, the primary screen shows the single-phase (1φ) power reading.

  • Page 42: Text Screens

    39/41B Users Manual a13c.eps Figure 14. Text Screens...

  • Page 43: Va Check Screen

    VA Check Screen VA Check Screen Press at any time to access the VA Check screen, which displays volts graphed against 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).

  • Page 44: Typical Va Check Signatures

    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 ellipsoids, 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.

  • Page 45: Recording Measurements

    Recording Measurements Recording Measurements < > Press R to begin recording readings for all measurement functions. Then press 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: •...

  • Page 46: Record Screens

    39/41B Users Manual a15c.eps Figure 16. Record Screens...

  • Page 47: Power-Up Configuration

    Power-Up Configuration 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: • Volts Function selected. • DISP WAVE Waveform Screen Mode selected. •...

  • Page 48: Configuration Screens

    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.

  • Page 49: Storing & Recalling Measurements (Model 41B)

    Storing & Recalling Measurements (Model 41B) Storing & 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 Tester stores a measurement as digital data.
  • Page 50 39/41B Users Manual 4. 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.

  • Page 51: Using The Serial Cable (Model 41B)

    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 when you send a command from the PC. Note The side of the optical interface connector marked “Optical Interface RS-232-C”...

  • Page 52: Serial Communications (Model 41B)

    39/41B Users Manual a18f.eps Figure 19. Serial Communications (Model 41B)

  • Page 53: Printing (Model 41B)

    Printing (Model 41B) 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 Tester displays PRNT and the following message appears: PRINTING PRESS ANY KEY TO STOP Press any key to abort printing;...

  • Page 54: Applications

    39/41B Users Manual Applications Warning 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.

  • Page 55: Typical Applications

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

  • Page 56: Plant Switch Gear (Service Entrance)

    39/41B Users Manual Plant Switch Gear (Service Entrance) Measure current, load balance, and total harmonic distortion. Refer to Figure to select current ( AP ) for the display phase reference. 21. Press a20f.eps Figure 21. Plant Switch Gear...

  • Page 57: Distribution Transformer

    Applications Distribution Transformer Measure Power Factor, K Factor, power, neutral current, neutral frequency, and load balance between phases. Refer to Figures 22 and 23. a21f.eps Figure 22. Distribution Transformer (1 Watts Text Screen)

  • Page 58: Electronic Equipment Load Center

    39/41B Users Manual a82f.eps 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...
  • Page 59 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.

  • Page 60: Generator Set

    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...

  • Page 61: Adjustable Frequency (Speed) Motor Drive

    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 to select current AP for harmonic currents can also be measured.

  • Page 62: User Maintenance

    Note 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.

  • Page 63: Battery Replacement

    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.

  • Page 64: Operational Test

    If your Tester does not work, make the following basic checks: • 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.) •...

  • Page 65: Accessories And Replacement Parts

    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.

  • Page 66: Replacement Parts

    RS-232 Serial cable (Model 41B) PM9080 FlukeView 41 Windows English software (Model 936880 41B) 39/41B Users Manual (English) 482287200916 39/41B Users Manual ( French) 482287200918 39/41B Users Manual (German) 482287200917 39/41B Users Manual (Spanish) 482287200921 39/41B Users Manual (Italian 482287200919...

  • Page 67: Specifications

    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 as ±([% 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...
  • Page 68 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 >...
  • Page 69 Specifications Other Measurement Specifications Measurement Function Range/Resolution Accuracy Input Bandwidth: (-0.5 dB): DC 6 Hz to 2.1 kHz ± 4% Crest Factor (CF): (Using 1.00 to 5.00 Smooth % 20) ± 0.02 Power Factor (PF): 0.00 to 1.00 Displacement Power Factor (DPF): 0.00 to 0.29 unspecified...
  • Page 70 39/41B Users Manual Ranges and Resolution AC Volts AC Amps Watts Range Resolution Range Resolution Range Resolution (PK) (PK) (PK) 0.1V 0.01A 1.0W 0.1V 0.01A 100W 1.0W 100V 0.1V 0.01A 200W 1.0W 200V 0.1V 0.01A 500W 1.0W 500V 0.1A 1 kW 0.01 kW...

  • Page 71: General Specifications

    Specifications General Specifications Size: 9.2 x 3.9 x 2.5 inches (234 x 100 x 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 “C” Cells ANSI/NEDA-14A, IEC-LR14 (supplied) Operating Time: 48 hours, typical (continuous, without backlight) Alternate Battery:...
  • Page 72 39/41B Users Manual Humidity (noncondensing): 0 - 30 ° C: Operating: 30 - 40 ° C: 40 - 50 ° C: Storage: Altitude: Operating: 10,000 feet (3 km) Storage: 40,000 feet (12 km) Shock & Vibration: per MIL-T-28800, class 3, sinusoidal, nonoperating...
  • Page 73 Specifications Safety Designed for 600V measurements on industrial power distribution circuits. ! 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 II, 600V Protection Class: Protection Class II as described in IEC 1010-1, Annex H (Double or...
  • Page 74 39/41B Users Manual...

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