Page 2 - LIMITED WARRANTY & LIMITATION OF LIABILITY; Fluke Corporation
LIMITED WARRANTY & LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanshipunder normal use and service. The warranty period is one year and begins on the dateof shipment. Parts, product repairs and services are warranted for 90 days. Thiswarran...
Page 4 - Table of Contents; Chapter
i Table of Contents Chapter Title Page 1 Introduction ........................................................................................ 1-1 Introducing the Fluke 45 Dual Display Multimeter ........................................... 1-1Options and Accessories ....................................
Page 6 - Appendices
Contents (continued) iii Installing the IEEE-488 Interface .................................................................. 5-5Enabling the IEEE-488 Interface ................................................................... 5-5Addressing the Meter...................................................
Page 7 - List of Tables; Table
v List of Tables Table Title Page 1-1. Accessories ............................................................................................................. 1-2 3-2. Voltage Ranges and Full Scale Values................................................................... 3-6 3-3. Current Ranges an...
Page 9 - List of Figures; Figure
vii List of Figures Figure Title Page 2-1. Front Panel ............................................................................................................. 2-2 2-2. Rear Panel .............................................................................................................. 2-2 ...
Page 10 - Chapter 1; Introduction; Introducing the Fluke 45 Dual Display Multimeter; Note; Warning; Some features provided by the meter are:
1-1 Chapter 1 Introduction Introducing the Fluke 45 Dual Display Multimeter Note This manual contains information and warnings that must be followed toensure safe operation and retain the meter in safe condition. W Warning To avoid electric shock or injury, read the "multimeter safety"sheet ...
Page 11 - Options and Accessories; Available accessories are listed and described in Table 1-1.; Where to go from Here; Chapter 1: Introduction
45 Users Manual 1-2 • 100,000, 30,000, and 3,000 selectable count resolution, with display reading speedsof 2.5, 5, and 20 readings per second (rps), respectively. • Built-in self-tests with closed-case calibration (no internal calibration adjustments). Options and Accessories Two options are availa...
Page 14 - MULTIMETER SAFETY; WARNING
MULTIMETER SAFETY The Fluke 45 Dual Display Multimeter has been designed and tested according to IECPublication 348, Safety Requirements for Electronic Measuring Apparatus. This manualcontains information and warnings which must be followed to ensure safe operation andretain the meter in safe condit...
Page 15 - Chapter 2; Getting Started; Unpacking and Inspecting the Meter
2-1 Chapter 2 Getting Started Introduction Chapter 2 explains how to prepare the meter for operation, discusses general operatingfeatures, and walks you through the basics of taking some common measurements. Getting Started Unpacking and Inspecting the Meter Carefully remove the meter from its shipp...
Page 17 - Turning the Meter on
Getting Started Turning the Meter on 2 2-3 3. Carrying Position 1. Viewing Position 2. Alternate Viewing Position 4. Removal Position (to Remove, Pull Ends Out) Pull End Out and Towards You. Then Slide to Left. aam03f.eps Figure 2-3. Adjusting Handle If you have not already done so, plug the line co...
Page 19 - Selecting a Measurement Range; Read “Multimeter Safety” before operating this meter.
Getting Started Selecting a Measurement Range 2 2-5 EXAMPLE: Press Z to select volts ac for the primary display, then press I to select the decibels modifier. • Press multiple buttons simultaneously. EXAMPLE: Press Z and Y simultaneously to select true rms volts ac + volts dc (calculated) in the pri...
Page 20 - Measuring Voltage, Resistance, or Frequency
45 Users Manual 2-6 Measuring Voltage, Resistance, or Frequency To measure voltage, resistance, or frequency, press the desired function button andconnect the test leads as shown in Figure 2-5. The meter will select the appropriate rangein the autorange mode, and an annunciator on the display will i...
Page 21 - FREQ; FREQ
Getting Started Taking Some Basic Measurements 2 2-7 CAL ENABLE V 10A 100 mA 600V CAT I 1000V CAT I FUSE F1 500 mA F 250V POWER AUTO 2ND MN MX RATE dB REL REF# LOCAL THRESH ADDR BAUD HOLD LO HI COMP A A V FREQ DUAL DISPLAY MULTIMETER 45 V ! REF FUSED COM + - VOLTAGE SOURCE V FREQ V aam05f.eps Figure...
Page 23 - To perform a diode or transistor junction test, press; Operating the Meter Under Battery Power (Optional); turns on. If you turn the meter off when it is being operated; Rack Mounting
Getting Started Operating the Meter Under Battery Power (Optional) 2 2-9 To perform a diode or transistor junction test, press G to select the diode/continuity function. (Each press of G turns the continuity beeper on and off.) Then connect the test leads across the diode as shown in Figure 2-8. Not...
Page 25 - Chapter 3; Operating the Meter From the Front; The following operations can be performed from the front panel:
3-1 Chapter 3 Operating the Meter From the Front Panel Introduction Chapter 3 explains how to operate the meter from the front panel. Refer to Chapter 4 forinformation concerning specific applications. Chapter 5 provides instructions on how tooperate the meter using the computer interface (RS-232 or...
Page 26 - Display; Primary Display
45 Users Manual 3-2 Display The meter has a 5-digit, vacuum-fluorescent, dual display. This display shows measure-ment readings, annunciators, and messages. The annunciators indicate measurement unitsand the meters operating configuration. The dual display allows you to see two properties (e.g., vol...
Page 28 - Input Terminals
45 Users Manual 3-4 Neither function modifiers (REL, dB, HOLD, and MN MX) nor the manual range modecan be selected in the secondary display. Measurement ranges in the secondary displayare always selected through autoranging. Input Terminals The input terminals, shown in Figure 3-4, are located on th...
Page 29 - Selecting a Measurement Function; and; Ranging; Ranging operations are performed using the
Operating the Meter From the Front Panel Selecting a Measurement Function 3 3-5 Table 3-1. Input Limits FUNCTION INPUT TERMINALS MAXIMUM INPUT | V eG and COM 1000V dc { and FREQ V eG and COM 750V ac rms, 1000V peak, 2 x 10 7 V-Hz normal mode, or 1 x 10 6 V-Hz common mode (whichever is less) mA D and...
Page 32 - Manual Ranging; Measuring Frequency; Frequency Ranging
45 Users Manual 3-8 AUTO Press to Enter Manual Range and Up Range Press to Enter Manual Range and Down Range Press to Toggle In and Out of Manual Ranging."AUTO" Annunciator Turns off when Manual Range Selected. CAL ENABLE V 10A 100 mA 600V CAT I 1000V CAT I FUSE F1 500 mA F 250V POWER AUTO 2...
Page 33 - Frequency Measurement Rates; Measuring Frequency of Current (100 mA and 10A) Inputs
Operating the Meter From the Front Panel Measuring Frequency 3 3-9 Frequency Measurement Rates The rate at which frequency measurements are taken is a factor of the frequency beingmeasured (see Table 3-6). When the frequency function has been selected, pressing R has no effect on the frequency updat...
Page 34 - Selecting A Function Modifier
45 Users Manual 3-10 Table 3-7. Maximum Sinewave Inputs for Frequency Measurements Range Maximim Input Voltage 300 mV 1 V rms 3 V 6 V rms 30 V 60 V rms 300 V 750 V rms 750 V 750 V rms The input signal sensitivity is listed under the frequency specifications in Appendix A.These values are based on si...
Page 35 - Press
Operating the Meter From the Front Panel Selecting A Function Modifier 3 3-11 CAL ENABLE V 10A 100 mA 600V CAT I 1000V CAT I FUSE F1 500 mA F 250V POWER AUTO 2ND MN MX RATE dB REL REF# LOCAL THRESH ADDR BAUD HOLD LO HI COMP A A V FREQ DUAL DISPLAY MULTIMETER 45 V ! REF FUSED COM MN MX dB REL HOLD -P...
Page 37 - Using Function Modifiers in Combination
Operating the Meter From the Front Panel Selecting A Function Modifier 3 3-13 HOLD (Touch Hold) Modifier The Touch Hold modifier allows you to take a measurement and "hold" thatmeasurement on the display. This feature can be particularly advantageous in difficult orhazardous circumstances wh...
Page 38 - Using the
45 Users Manual 3-14 Hold, then converts the measurement to decibels, then determines if the measurement iseither a new minimum or maximum value, and then subtracts the relative base from themeasurement. When using multiple modifiers, the order in which modifiers are selected is important.For exampl...
Page 40 - The List and Number Editors
45 Users Manual 3-16 Using The Compare (Comp) Function The compare function (COMP) provides an easy way to determine if a reading fallswithin a designated range of values. In the compare mode, the meter displays a reading inthe primary display and indicates in the secondary display if that value is ...
Page 41 - Using the List Editor
Operating the Meter From the Front Panel Using The Compare (Comp) Function 3 3-17 Using the List Editor Use the list editor to select an option from a list. Table 3-11 summarizes the optionsavailable through the list editor. To use the list editor, proceed as follows: 1. Press S . 2. Press the appro...
Page 42 - When you have scrolled to 16, press
45 Users Manual 3-18 Table 3-11. Options Available Through List Editor To Set Pushbuttons Options Annunciator Touch Hold MinimumResponse Level S then H (THRESH) "1" (5 % of range);"2" (7 % of range); or "HOLD""3" (8% of range) Decibel ReferenceImpedance in Ohms S then...
Page 43 - Power-Up Configuration; Factory Settings of Power-Up Configuration
Operating the Meter From the Front Panel Power-Up Configuration 3 3-19 The last number entered (or, in REL, the last measured value) is shown with the left mostdigit displayed in normal intensity and the remaining digits dim. (If the number isnegative, the minus sign is dim.) Related annunciators ar...
Page 44 - Last recorded minimum and maximum values for MN MX modifier.; Calibration
45 Users Manual 3-20 Table 3-13. Power-Up Configuration Set at Factory Parameter Configurations Function Setting DC volts Range Mode Autorange Reading Rate Medium (30,000 counts @ 5 readings/second) Touch Hold Sensitivity Level Level "2" (1 to 2 % of Range) Reference Impedance (for dB) 600 o...
Page 45 - Chapter 4; Applications
4-1 Chapter 4 Applications Introduction Chapter 4 discusses some applications that will help you use the meter effectively. Theseapplications assume you are familiar with the basic operation of the meter and have abasic understanding of electronics. A sophisticated understanding of electrical circui...
Page 46 - Using Measurement Functions in Combination
45 Users Manual 4-2 CAL ENABLE V 10A 100 mA 600V CAT I 1000V CAT I FUSE F1 500 mA F 250V POWER AUTO 2ND MN MX RATE dB REL REF# LOCAL THRESH ADDR BAUD HOLD LO HI COMP A A V FREQ DUAL DISPLAY MULTIMETER 45 V ! REF FUSED COM + - FREQ V 2ND AUTO VAC Hz M aam16f.eps Figure 4-1. Dual Display Showing Volts...
Page 48 - Response Times
45 Users Manual 4-4 CAL ENABLE V 10A 100 mA 600V CAT I 1000V CAT I FUSE F1 500 mA F 250V POWER AUTO 2ND MN MX RATE dB REL REF# LOCAL THRESH ADDR BAUD HOLD LO HI COMP A A V FREQ DUAL DISPLAY MULTIMETER 45 V ! REF FUSED COM V A CIRCUIT 2ND LOAD aam17f.eps Figure 4-2 DC Voltage and DC Current Measureme...
Page 49 - How the Meter Makes Dual Display Measurements
Applications How the Meter Makes Dual Display Measurements 4 4-5 level, range type (autorange or manual range), the measurement rate (slow, medium, or fast),and whether measurement types are mixed or not. (Measurements are either ac-type [ac voltsor amps] or dc-type [all others]). Typical response t...
Page 51 - Update Rate in the Dual Display Mode; External Trigger
Applications External Trigger 4 4-7 Update Rate in the Dual Display Mode The update rate is the time between successive measurements for a steady state signal. In the dual display mode (when both the primary and secondary displays are on), if themeasurement functions or the ranges selected for the p...
Page 52 - Thermal Voltages; Use tight connections.
45 Users Manual 4-8 Table 4-4. Typical Measurement Intervals (in Seconds) for Dual Display Measurements All AC or All DC Type AC & DC Types Mixed Meas. Range Slow Med Fast Slow Med Fast V 300 mV3V30V300V1000V 0.700.700.800.800.80 0.500.500.600.600.60 0.100.100.100.100.10 1.101.001.101.001.00 0.9...
Page 53 - When Measuring Resistance; Two-Wire Configuration; True RMS Measurements
Applications When Measuring Resistance 4 4-9 When Measuring Resistance Two-Wire Configuration The meter measures resistance in a two-wire configuration using a resistance ratio (some-times called ratio-ohms) technique. Two-wire resistance measurements are simple to setup and yield good results for m...
Page 54 - Effects of Internal Noise in AC Measurements; ac; dc input divider is in parallel with the ac-coupled 1 M
45 Users Manual 4-10 By contrast, many meters use average-responding ac converters rather than true rmsconverters. The scale factor in these meters is adjusted so that they display the rms valuefor a harmonic-free sine wave. However, if a signal is not sinusoidal, average-respondingmeters do not dis...
Page 57 - Chapter 5; Operating the Meter Using the Computer; Local and Remote Operations
5-1 Chapter 5 Operating the Meter Using the Computer Interface Introduction The meter can be operated from a host (e.g., a terminal, controller, PC, or computer) bysending commands to it through a computer interface on the rear panel. Chapter 5 describes how to set up, configure, and operate the met...
Page 58 - Preparing the Meter for Operations via the RS-232 Interface
45 Users Manual 5-2 To determine which computer interface is enabled, press in POWER to turn the meter on.Press S , then press R . If "baud" and a rate are displayed, the RS-232 interface is enabled; if "IEEE" is displayed, the IEEE-488 interface is enabled. Preparing the Meter for O...
Page 59 - Press in the POWER button on the front panel to turn the meter on.
Operating the Meter Using the Computer Interface Preparing the Meter for Operations via the RS-232 Interface 5 5-3 RS-232 Print-Only Mode The print-only mode is intended to be used primarily in those cases where you want tosend measurements taken by the meter to a printer or terminal automatically. ...
Page 60 - Character Echoing and Deletion
45 Users Manual 5-4 The meter exits the list editor, returns to normal operation, and is configured forRS-232 print-only operations. Cabling the Meter to a Host or Printer (RS-232) The meter communicates with a host through a DB-9 interface connector on the rearpanel of the meter. A connector pinout...
Page 61 - Preparing the Meter to be Operated via IEEE-488 Interface; IEEE-488 Operating Limitations
Operating the Meter Using the Computer Interface Preparing the Meter to be Operated via IEEE-488 Interface 5 5-5 Preparing the Meter to be Operated via IEEE-488 Interface To turn the meter into a fully programmable element of an automated testing system, usethe IEEE-488 Interface option, as describe...
Page 62 - Cabling the Meter to a Host; Getting Started With An Installation Test; Installation Test for RS-232 Operations; Turn on the host or controller.
45 Users Manual 5-6 Cabling the Meter to a Host The meter communicates with a host through an interface connector on the rear panel ofthe meter. First turn the meter off, then cable the meter to the host. Getting Started With An Installation Test After the meter has been cabled to a host and prepare...
Page 63 - Verify that the meter sends the following response; If Test Fails; If the meter does not respond to the test procedure as indicated:; How the Meter Processes Input
Operating the Meter Using the Computer Interface How the Meter Processes Input 5 5-7 5. Verify that the meter sends the following response FLUKE, 45, nnnnnnn, n.n Dn.n nnnnnnn is your meter’s serial number, n.n identifies the main software version, and Dn.nidentifies the display software version. If...
Page 64 - Valid terminators for the RS-232 interface are:
45 Users Manual 5-8 Enable Register" later in Chapter 5) and the input string is discarded. If, on the otherhand, the input buffer becomes full when the IEEE-488 interface is used, the meter stopsaccepting characters until there is room in the buffer. Characters in the input buffercannot be over...
Page 65 - RULE 2: READ QUERY RESPONSES BEFORE SENDING ANOTHER
Operating the Meter Using the Computer Interface How the Meter Processes Input 5 5-9 • RULE 2: READ QUERY RESPONSES BEFORE SENDING ANOTHER COMMAND STRING. Output data remains available in the output buffer until it is read by the host or untilthe next command string is received by the meter. This me...
Page 67 - How the Meter Processes Output; External Triggering from the Front Panel
Operating the Meter Using the Computer Interface How the Meter Processes Output 5 5-11 How the Meter Processes Output The following paragraphs summarize how the meter processes output. The meter outputsan alphanumeric string in response to a query command from the host. (Query commandsare easily ide...
Page 69 - Service Requests (IEEE-488 Only and Status Registers
Operating the Meter Using the Computer Interface Service Requests (IEEE-488 Only and Status Registers 5 5-13 A measurement is triggered while the input is greater than +3 V. A method for usingDTR (pin 4) and an external switch to trigger a measurement is shown in Figure 5-2. • Send the IEEE-488 GET ...
Page 71 - Logical OR; Output Queue
Operating the Meter Using the Computer Interface Service Requests (IEEE-488 Only and Status Registers 5 5-15 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 & & & & & & & & Logical OR Standard Event Status Register Read Using *ESR? Standard Event Status Enable Register Read Using *ES...
Page 72 - Event Status and Event Status Enable Registers
45 Users Manual 5-16 Event Status and Event Status Enable Registers The Event Status Register (ESR) assigns specified events to specific bits (see Figure 5-4and Table 5-6). When a bit in the ESR is set (i.e., 1), the event that corresponds to that bithas occurred since the register was last read or ...
Page 73 - Status Byte Register
Operating the Meter Using the Computer Interface Service Requests (IEEE-488 Only and Status Registers 5 5-17 Table 5-6. Description of Bits in ESR and ESE Bit No. Name True (Set to 1) Conditions 0 1 2 3 4 5 6 7 Operation Complete (OPC). Not used. Query Error (QYE). Device-Dependent Error (DDE) Execu...
Page 74 - Service Request Enable Register
45 Users Manual 5-18 Table 5-7. Description of Bits in the Status Byte Register* Bit No. Name True (Set to 1) Condition 0 1 2 3 4 5 6 7 Not used. Not used. Not used. Not used. Message Available (MAV) Event Status (ESB) Master Summary Status† (MSS) Not used. Always set to 0. Always set to 0. Always s...
Page 75 - EXAMPLE; Computer Interface Command Set; IEEE-488 Capabilities and Common Commands
Operating the Meter Using the Computer Interface Computer Interface Command Set 5 5-19 6 will always be zero.) Convert the returned value to binary to determine the status ofregister bits. EXAMPLE EXPLANATION *SRE? Reads the value of the SRE Register. Assume "32" is returned.Converting 32 to...
Page 78 - Function Commands and Queries
45 Users Manual 5-22 Function Commands and Queries The commands in Table 5-11 relate to measurement functions. See Table 5-13 for rangesand measurement rates. Refer to Chapter 3 for a detailed description of each function. Commands under Primary Display and Secondary Display cause functions to beper...
Page 81 - Range and Measurement Rate Commands and Queries
Operating the Meter Using the Computer Interface Computer Interface Command Set 5 5-25 Range and Measurement Rate Commands and Queries The commands in Table 5-13 relate to ranging and measurement rates (i.e., readings/second). In the autorange mode, the meter automatically selects a range for each r...
Page 82 - Measurement Queries
45 Users Manual 5-26 Table 5-13. Range and Measurement Rate Commands and Queries (cont.) Command Description RANGE1? RANGE2? RATE <speed> RATE? Returns the range presently selected on the primary display. Returns the range presently selected on the secondary display. If the secondarydisplay is...
Page 83 - Compare Commands and Queries; Trigger Configuration Commands
Operating the Meter Using the Computer Interface Computer Interface Command Set 5 5-27 Compare Commands and Queries The commands in Table 5-15 cause the meter to determine whether a measurement ishigher than, lower than, or within a specified range. These commands correspond to theCOMP, HI, and LO b...
Page 84 - Miscellaneous Commands and Queries
45 Users Manual 5-28 Miscellaneous Commands and Queries Miscellaneous commands and queries are summarized in Table 5-17. Table 5-17. Miscellaneous Commands and Queries Command Description The RS-232 equivalent of IEEE-488 DCL. Causes <CR><LF> and =><CR><LF> to be output. S...
Page 85 - The commands in Table
Operating the Meter Using the Computer Interface Computer Interface Command Set 5 5-29 RS-232 Remote/Local Configurations The commands in Table 5-18 are used with the RS-232 interface to set up the Remote/ Local configuration of the meter. These commands are valid only when the RS-232 interface isen...
Page 86 - Sample Program Using the RS-232 Computer Interface
45 Users Manual 5-30 Sample Program Using the RS-232 Computer Interface Figure 5-5 is an annotated BASIC A program, written for an IBM PC (or compatible),that demonstrates how the meter can be used with the RS-232 computer interface. aam23f.eps Figure 5-5. Sample Program for RS-232 Computer Interfac...
Page 87 - Sample Programs Using the IEEE-488 Computer Interface
Operating the Meter Using the Computer Interface Sample Programs Using the IEEE-488 Computer Interface 5 5-31 Sample Programs Using the IEEE-488 Computer Interface Figure 5-6 illustrates three annotated GWBASIC programs, that demonstrate how themeter can be used with three different IEEE-488 Interfa...
Page 92 - Chapter 6; Maintenance; Line Fuse
6-1 Chapter 6 Maintenance Note When servicing the meter, use only the replacement parts specified. Introduction Chapter 6 provides the information necessary for the user to perform basic maintenance.Users should not attempt to perform maintenance not described in this chapter. Qualifiedservice perso...
Page 93 - Current Input Fuses; Testing Current Input Fuses
45 Users Manual 6-2 Current Input Fuses The 100 mA and 10 A inputs are protected by user-replaceable fuses. • The 100 mA input is protected by a fuse rated at F 500 mA, 250 V (Fast blow),1500 A minimum breaking capacity, IEC-127 Sheet I. • The 10 A input is protected by a fuse rated at F 15 A, 250 V...
Page 94 - If the fuse is good, the meter will read between .04; Replacing the 10 A Input Fuse
Maintenance Current Input Fuses 6 6-3 If the fuse is good, the meter will read between .04 Ω and 1.0 Ω . If the fuse is blown, the meter will read >10 M Ω to OL. Replacing the 100 mA Input Fuse W Warning For protection against fire or arc flash, replace a blown fuseonly with one of identical rati...
Page 95 - Reverse the disassembly procedure to reassemble the meter.; Self-Test Diagnostics and Error Codes; Measurement self-test failed; Performance Tests
45 Users Manual 6-4 3. Carefully remove the fuse and replace it with one rated as listed above. 4. Reverse the disassembly procedure to reassemble the meter. Self-Test Diagnostics and Error Codes If the meter fails the self-test diagnostics performed at power-up, an error code isdisplayed in the pri...
Page 96 - Service
Maintenance Service 6 6-5 4. The following tests require a Fluke 5725A Amplifier (or equivalent) to be used withthe 5700A. The input level for the performance test will be set on the 5700A but willbe output from the 5725A Amplifier. Connect a cable from the Output VA HI and LO connectors of the 5725...
Page 98 - Replacement Parts; Quantity
Maintenance Replacement Parts 6 6-7 Table 6-3. Performance Tests for mA Current Functions Display Function Range (Rate) Input Level Frequency Min Max [ (mA) \ (mA) 30 mA 100 mA 30 mA 100 mA +30 mA +100 mA 30 mA 100 mA — — 1 kHz 1 kHz 29.982 99.93 29.840 99.40 30.018 100.07 30.160 100.60 Table 6-4. P...
Page 100 - Appendix
Appendices Appendix Title Page A Specifications ...................................................................................................... A-1 B ASCII/IEEE-488 Bus Codes ............................................................................... B-1 C IEEE-488.2 Device Documentation ...
Page 102 - Appendix A; Specifications; These specifications assume:; Display Counts and Reading Rates
A-1 Appendix A Specifications Introduction Appendix A contains the specifications of the Fluke 45 Dual Display Multimeter. These specifications assume: • A 1-year calibration cycle • An operating temperature of 18 °C to 28 °C (64.4 °F to 82.4 °F) • Relative humidity not exceeding 90 % (non-condensin...
Page 103 - DC Voltage; Input Impedance
45 Users Manual DC Voltage Resolution Accuracy Range Slow Medium Fast (6 Months) (1 Year) 300 mV 3 V 30 V 300 V 1000 V — — — — — 10 µV 100 µ V 1 mV 10 mV 100 mV 100 µV 1 mV 10 mV 100 mV 1 V 002 % + 2 0.02 % + 2 0.02 % + 2 0.02 % + 2 0.02 % + 2 0.025 % + 2 0.025 % + 2 0.025 % + 2 0.025 % + 2 0.025 % ...
Page 104 - Maximum Input
Appendices Specifications A A-3 Maximum Input 1000V dc or peak ac on any range True RMS AC Voltage, AC-Coupled Resolution Range Slow Medium Fast 300 mV 3 V 30 V 300 V 750 V 100 mV 1000 mV 10 V 100 V 750 V — — — — — 1 µV 10 µV 100 µV 1 mV 10 mV 10 µV 100µV 1 mV 10 mV 100 mV — — — — — 100 µV 1 mV 10 m...
Page 105 - in parallel with <100 pF
45 Users Manual Decibel Reference Resistance 8000 Ω 1200 Ω 1000 Ω 900 Ω 800 Ω 600 Ω * 500 Ω 300 Ω 250 Ω 150 Ω 135 Ω 125 Ω 124 Ω 110 Ω 93 Ω 75 Ω 50 Ω 16 Ω † 8 Ω † 4 Ω † 2 Ω † * Default resistance† Reading displayed in watts (POWER) Input Impedance 1 M e in parallel with <100 pF Maximum Crest Facto...
Page 106 - DC Current; AC Current
Appendices Specifications A A-5 DC Current Resolution Range Slow Medium Fast Accuracy Burden Voltage 30 mA 100 mA 10 A 10 mA 100 mA 10 A — — — 100 nA 1 µA 100 µA 1 µA 10 µA 1 mA — — — 10 µA 100 µA 10 mA — — — 0.05 % + 3 0.05 % + 2 0.2 % + 5 0.05 % + 50.05 % + 5 0.2 % + 7 0.45 V 1.4 V 0.25 V 0.14 V 1...
Page 107 - Accuracy
45 Users Manual Accuracy Accuracy Range Frequency Slow Medium Fast mA (To 100 mA) mA (To 100 mA) mA (To 100 mA) A (1-10A) A (1-10A) A (0.5 to 1A) A (0.5 to 1A) 20-50 Hz 50 Hz-10 kHz 10 -20 kHz 20-50 Hz 50 Hz-2 kHz 20-50 Hz 50Hz-2 kHz 2 % + 100 0.5 % + 100 2 % + 200 2 % + 100 1 % + 100 2 % + 300 1 % ...
Page 108 - Ohms; Open Circuit Voltage; Diode Test/Continuity; Test Current
Appendices Specifications A A-7 Ohms Resolution Range Slow Medium Fast Accuracy Typical Full Scale Voltage Max CurrentThrough the Unknown 300 Ω 3 k Ω 30 k Ω 300 k Ω 3 M Ω 30 M Ω 300 M Ω * 100 Ω 1000 Ω 10 k Ω 100 k Ω 1000 k Ω 10 M Ω 100 M Ω * — — — — — — — 1 m Ω 10 m Ω 100 m Ω 1 Ω 10 Ω 100 Ω 100 k Ω ...
Page 109 - Sensitivity of AC Voltage; Sensitivity Level of AC Current
45 Users Manual Open Circuit Voltage 3.2 V maximum Continuity Capture Time 50 us maximum, 10 us typical Input Protection 500 volts dc or rms ac Note When the meter is set to measure frequency and there is no input signal(i.e., input terminals are open), the meter may read approximately 25 kHz(rather...
Page 110 - Environmental
Appendices Specifications A A-9 Note When the meter is set to measure frequency and there is no input signal(i.e., the input terminals are open), the meter may read approximately 25kHz (rather than zero). This is due to internal capacitive pickup of theinverter power supply into the high-impedance, ...
Page 111 - General; Options
45 Users Manual General Common Mode Voltage Size Weight Power Standards RS-232-C 1000 V dc or peak ac maximum from any input to earth 9.3 cm high, 21.6 cm wide, 28.6 cm deep (3.67 in high,8.5 in wide,11.27 in deep) Net, 2.4 kg (5.2 Ibs) without battery; 3.2 kg (7.0 Ibs) with battery; Shipping, 4.0 k...
Page 112 - Appendix B
Page 115 - Appendix C; Requirements
C-1 Appendix C IEEE-488.2 Device Documentation Requirements Introduction Section 4.9 of the IEEE Standard 488.2-1987 states: "All devices shall supplyinformation to the user about how the device has implemented this standard. " (In thiscontext, "device" means the Fluke 45 Dual Displa...
Page 116 - A description of message exchange options:
45 Users Manual The default meter setting is: volts tic, autoranging, secondary display inactive. Adifferent power-up configuration can be set by pressing S and E at the same time; the present configuration of the meter then becomes the power-upconfiguration. A description of message exchange option...
Page 118 - There are no additional data structures.
45 Users Manual 18. The size of the resource description, if the *RDT command or *RDT? query areimplemented, Sections 10.30 and 10.31. The *RDT and *RAT? commands are not implemented. 19. A description of the states affected by *RST (Section 10.32), *LRN? (Section 10.17),*RCL (Section 10.29), and *S...
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