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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.
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LIMITED WARRANTY & 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 misus
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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
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Table of Contents Title Page Safety ................................................................................................ v About This Manual............................................................................. 1 Uses for the Tester ............................................................................. 1 Unpacking.......................................................................................... 2 Terminology Used in This Manual...................................
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Fluke 39/41B Users Manual Adjustable Frequency (Speed) Motor Drive ................................... 51 User Maintenance .............................................................................. 52 Cleaning........................................................................................ 52 Fuse Replacement ......................................................................... 52 Battery Replacement ..................................................................... 52 Operatio
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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
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List of Figures Figure Title Page 1. Tester and Accessories ............................................................. 3 2. Additional Items (Model 41B).................................................. 4 3. Getting Acquainted .................................................................. 8 4. Measurement Connections (1 P ) .............................................. 10 5. Three-Phase Measurement Connections (For Balanced Circuits, 3 P , 3-Conductor, D ).......................... 11 6.
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Using Your Tester Safely ! Warning ! 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
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• 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 80i-500s current probe on circuits rated higher than 600V. Use extreme caution when clamping the current probe around un- insulated conductors or bu
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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. 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
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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 • AC-20 Test 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
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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 3 ® POWER HARMONICS 41 ANALYZER
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39/41B Users Manual RS-232 Cable Companion Software 3.5-Inch Floppy Disks (FlukeView 41) a3f.eps Figure 2. Additional Items (Model 41B) 4
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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” 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”. 5
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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 operation. Plan to replace the batteries as soon as possible after the b 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. Chec
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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. 1. o to turn 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. F to select a measurement function (Volts, Amps, Watts). 4. M to select a screen mode (Waveform, Harmonics, Text ). 5. R to start recording measurements < or > to select
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POWER HARMONICS ® 41 ANALYZER 39/41B Users Manual 6 1 3 5 2 4 a4f.eps Figure 3. Getting Acquainted 8
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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 “COM” 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 desir
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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. Press G to verify the Current Probe orientation. If the resulting VA Check Screen generall
