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Fluke 187 Getting Started

True rms multimeter
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®
Model 187 & 189
True RMS Multimeter
Getting Started
PN 1547486
August 2000
© 2000 Fluke Corporation, All rights reserved. Printed in USA
All product names are trademarks of their respective companies.

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Summary of Contents for Fluke 187

  • Page 1 ® Model 187 & 189 True RMS Multimeter Getting Started PN 1547486 August 2000 © 2000 Fluke Corporation, All rights reserved. Printed in USA All product names are trademarks of their respective companies.
  • Page 2 LIFETIME LIMITED WARRANTY Each Fluke 20, 70, and 180 Series DMM purchased after October 1, 1996 will be free from defects in material and workmanship for its life- time. This warranty does not cover fuses, disposable batteries and damage from neglect, misuse, contamination, alteration, accident or ab- normal conditions of operation or handling, including overvoltage failures caused by use outside the DMMs specified rating, or normal wear and tear of mechanical components.

  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction........................1 Contacting Fluke ......................1 Safety Information ......................1 Rotary Switch ........................ 4 Pushbuttons ........................4 Understanding the Display .................... 9 Setup Selections ......................14 Parts ..........................16 Safety and Compliances....................16 Feature Summary......................17 Physical Specifications ....................
  • Page 4 Model 187 & 189 Getting Started...

  • Page 5: Introduction

    This Getting Started Manual provides basic information The Fluke Model 187 and Model 189 True RMS on Models 187 and 189. Refer to the Users Manual on Multimeters (hereafter referred to as the “meter”) comply the accompanying CD-ROM for complete operating with: instructions.
  • Page 6 Model 187 & 189 Getting Started Safety Information WWarning To avoid possible electric shock or personal injury, follow these guidelines: • Do not use the meter if it is damaged. Before you use the meter, inspect the case. Look for cracks or missing plastic.
  • Page 7 True RMS Multimeter Safety Information Safety Information (cont.) WWarning • When using the probes, keep your fingers behind the finger guards on the probes. • Connect the common test lead before you connect the live test lead. When you disconnect test leads, disconnect the live test lead first.

  • Page 8: Rotary Switch

    O M (FAST MN MX). With Model 189, a VIEW MEM switch position is The following yellow button features are not available on available. Model 187: ( YES), ( NO), (LOGGING), and (SAVE). Each position is described in Table 1.
  • Page 9 True RMS Multimeter Pushbuttons Table 1. Rotary Switch Selections % Blue Key Function Position Rotary Switch Function AC voltage measurement from 0 V to 1000.0 V dB over AC, AC over dB AC millivolt measurement from 0 mV to 1500.0 mV dB over AC, AC over dB DC voltage measurement from 0 V to 1000.0 V AC over DC (AC in primary display, DC in secondary...
  • Page 10 Model 187 & 189 Getting Started Table 1. Rotary Switch Selections (cont.) % Blue Key Function Position Rotary Switch Function AC current measurements from 0 mA to 20.000 A none AC current measurements from 0 µA to 5000.0 µA none DC current measurements from 0 mA to 20.000 A...
  • Page 11 True RMS Multimeter Pushbuttons Table 2. Pushbuttons Yellow Button Button Description Function Description Note Press O to access “Yellow Button Functions.” The O box and the 24-hour clock appear in the lower corners of the display and the primary display freezes, allowing time to press a second button. Press to turn backlight on or off.
  • Page 12 Model 187 & 189 Getting Started Table 2. Pushbuttons (cont.) Yellow Button Button Description Function Description • In Setup, increment a digit . (none) • In counter functions, select positive pulse slope. • In ohms continuity, select beep on open.

  • Page 13: Understanding The Display

    True RMS Multimeter Understanding the Display Understanding the Display Display features are shown in Figure 1 and described in Table 3. Major display features are described in the Users Manual . Note You can show all display segments (as shown in Figure 1) by pressing Q while turning the meter on.
  • Page 14 Model 187 & 189 Getting Started Table 3. Display Features Number Feature Description Continuity test function is selected. Bar Graph. In normal operation 0 (zero) is on the left. In Relative %, 0 is in the center, negative values are to the left and positive to the right.
  • Page 15 True RMS Multimeter Understanding the Display Table 3. Display Features (cont.) Number Feature Description FAST MN MX mode is enabled. ( O M) FAST Minimum reading displayed. Maximum reading displayed. Average reading displayed. Readings are being recorded in memory (Model 189 only.) ( O + D) The meter is in Hold mode.
  • Page 16 Model 187 & 189 Getting Started Table 3. Display Features (cont.) Number Feature Description AC+DC For dc volts and dc amps functions, reading represents the rms total of ac and dc measurements. e, ke Me, Ω: Ohm. The unit of resistance.
  • Page 17 True RMS Multimeter Understanding the Display Table 3. Display Features (cont.) Number Feature Description 51000 Range. Digits display range in use. MANUAL AUTO Time Display. Used with HOLD, AutoHOLD, MIN MAX, FAST MN MX, (SAVE, and LOGGING Model 189). 88:88 Elapsed Time Display (f on): shown in minutes:seconds to maximum of 59:59 - used if time since Min, Max, or Logging started is less than 60 minutes.

  • Page 18: Setup Selections

    Model 187 & 189 Getting Started Each setup option appears in the primary display in the Setup Selections sequence shown in Tables 4 and 5. The meter allows you to change the default operating The options in Table 4 are available only when the configuration of the meter by changing setup options preconditions are met.
  • Page 19 True RMS Multimeter Setup Selections Table 5. Common Setup Selections Selection Option Choices Factory Default < > bEEP yE5 or no (flashing) Use Beeper to select. < > 8888 8888 (4) or 88888 (5) Use 88888 Display digits to select. bLoFF 15:00 Backlight time out...

  • Page 20: Parts

    Model 187 & 189 Getting Started Parts Replacement parts are listed in Table 6. These parts can be ordered by contacting Fluke. Refer to the Users Manual for a complete list of user-replaceable parts. Table 6. Parts Reference Part Description...

  • Page 21: Safety And Compliances

    True RMS Multimeter Safety and Compliances Safety and Compliances Maximum voltage between any terminal and earth 1000 V dc or rms ac ground. Compliances Complies with ANSI/ISA-S82.01-94, CSA C22.2 No 1010.1-92 to 1000 V Overvoltage Category III, Polution Degree 2 * Certifications (Iisted and pending) CSA per standard CSA/CAN C22.2 No.

  • Page 22: Feature Summary

    Model 187 & 189 Getting Started Feature Summary Feature Description Dual Digital Displays Primary: 50,000 counts Secondary: 5,000 count Analog Bar Graph Bar graph: 51 segments, updates 40 times/second Backlight with 2 brightness levels Bright white backlight for clear readings in poorly lighted areas...

  • Page 23: Physical Specifications

    True RMS Multimeter Physical Specifications Physical Specifications Display (LCD) Digital: 50000/5000 counts primary display, 5000 counts secondary display; updates 4/second. Analog: 51 segments, updates 40/second. − 20 °C to + 55 °C Operating Temperature − 40 °C to + 60 °C Storage Temperature 0.05 x (specified accuracy) / °C (<18 °C or >28 °C) Temperature Coefficient...

  • Page 24: Basic Specifications

    Model 187 & 189 Getting Started Basic Specifications Function Ranges/Description DC Voltage 0 to 1000 V AC Voltage, true RMS 2.5 mV to 1000 V – 100 kHz bandwidth Basic Accuracy DC voltage: 0.025 % AC voltage: 0.4 % DC Current 0 to 10 A (20 A for 30 seconds) 25 µA to 10 A (20 A for 30 seconds)

  • Page 25: Detailed Accuracy Specifications

    True RMS Multimeter Detailed Accuracy Specifications Detailed Accuracy Specifications Accuracy is specified for a period of one year after calibration, at 18 °C to 28 °C (64 °F to 82 °F), with relative humidity to 90 %. Accuracy specifications are given as: ±...
  • Page 26 Model 187 & 189 Getting Started Accuracy Function Range Resolution 45-1 kHz 20-45 Hz 1-20 kHz 20 kHz-100 kHz AC µA 500.00 µA 0.01 µA 0.75 % + 20 1 % + 20 0.75 % + 20 6 % + 40 5,000.0 µA...
  • Page 27 True RMS Multimeter Detailed Accuracy Specifications Accuracy Accuracy Dual Display AC or AC+DC Function Range Resolution 20 - 45 Hz 45 Hz - 1 kHz 1 kHz- 20 kHz DC mV 50.000 mV 0.001 mV 0.1% + 20 2 % + 80 0.5 % + 40 6 % + 40 500.00 mV...
  • Page 28 Model 187 & 189 Getting Started Function Range Resolution Accuracy Ω Ω Resistance 500.00 0.01 0.05 % + 10 Ω Ω 5.0000 k 0.0001 k 0.05 % + 2 Ω Ω 50.000 k 0.001 k 0.05 % + 2 Ω...
  • Page 29 True RMS Multimeter Detailed Accuracy Specifications Function Ranges Resolution Accuracy Capacitance 1.000 nF 0.001 nF 2% + 5 10.00 nF 0.01 nF 1 % + 5 100.0 nF 0.1 nF 1.000 µF 0.001 µF 10.00 µF 0.01 µF 100.0 µF 0.1 µF 1,000 µF 1 µF...
  • Page 30 Model 187 & 189 Getting Started Function Range Resolution Accuracy ± (0.0050 % + 1) Frequency 500.00 Hz 0.01 Hz 5.0000 kHz 0.0001 kHz 50.000 kHz 0.001 kHz 999.99 kHz 0.01 kHz ± ((voltage range/input voltage) X 300 counts) Duty Cycle 10.00% to 90.00 %...

  • Page 31: Frequency Counter Sensitivity

    True RMS Multimeter Frequency Counter Sensitivity Frequency Counter Sensitivity Approximate VAC Sensitivity (RMS Sine Wave) Approximate VDC 15 Hz to Input Range VAC Bandwidth Trigger Levels Bandwidth 100 kHz 500 kHz 50 mV 5 mV 10 mV 1 MHz -5 mV & 5 mV 1 MHz 500 mV 20 mV...

  • Page 32: Input Characteristics

    Model 187 & 189 Getting Started Input Characteristics Function Input Impedance (Nominal) Volts, mV 10 MΩ, < 100 pF Common Mode Rejection Ratio Normal Mode Rejection >90 dB at 50 Hz or 60 Hz ± 0.1% DC Volts, mV >100 dB at dc, 50 Hz or 60 Hz ±0.1% AC Volts, mV >...

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