Fluke 1502A 1 Before You Start

1 Before You Start

1.1 Symbols Used

Table1 lists the symbols that may be used on the instrument or in this manual

and the meaning of each symbol.

Symbol Description

AC(Alternating Current)

AC-DC

Battery

Complieswith European Union Directives

DC(Direct Current)

DoubleInsulate d

ElectricShock

Fuse

PEGround

HotSurface (Burn Hazard)

Readthe User’s Manual (Important Information)

Off

1 Before You Start

Symbols Used

Table 1 International Electrical Symbols

Contents

Main Rev. 722101 Table of Contents 7 Digital Communications Interface . . . . . . . . . . . . . . . 23 ii 7.3 Remote Commands . . . . . . . . . . . . . . . . . . . . . . . . . 26 8 Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . 35 Page Page 1 Before You Start 1.1 Symbols Used 1.2 Safety Information 1.2.1 Warnings 1.2.2 Cautions 1.3 Authorized Service Centers Page 2 Introduction 3 Specifications and Environmental Conditions 3.1 Specifications 9 3 Specifications and Environmental Conditions Specifications 3.2 Environmental Conditions 4 Quick Start 4.1 Unpacking 4.2 Power 4.3 Connecting the Probe Page 5 Parts and Controls 5.1 Front Panel Buttons 84.981 C 5.2 Rear Panel l 6 General Operation 6.1 Selecting Units 6.2 Parameter Menus 6.3 Menu Lockout Page 6.4 Selecting the Probe Characterization E -04 6.4.3 ITS-90 PRT and Coefficients Page [] () [] 6.4.4 Callendar-VanDusen (RTD) Conversion The RTDconversion uses the Callendar-VanDusen equation: 6.4.5 IPTS-68 Conversion A4 +4.336079 E -04 6.5 Filtering 6.6 Setting the Current 6.7 Power Saver 7 Digital Communications Interface 7.1 Serial Interface 7.1.1 Setting the Baud Rate 7.1.2 Automatic Transmission of Measurements 7.1.3 Time Stamp and System Clock 7.1.4 Duplex Mode and Linefeed 7.2 GPIB Interface 7.2.1 Setting the Address 7.2.2 Setting the Termination Character 7.2.3 Time Stamp 7.3 Remote Commands 7.3.1 Measurement Commands 27 7 Digital Communications Interface Remote Commands Table 6 Command List Page 7.3.2 Probe Characterization Commands 7.3.3 Sample Commands 7.3.4 Communication Commands 7.3.5 Calibration Commands 7.3.6 Other Commands Page 8 Calibration Procedure 8.1 Accessing the Calibration Parameters 8.2 Calibration Procedure 9 Maintenance 10 Troubleshooting 10.1 CE Comments 10.1.1 EMC Directive 10.1.2 Low Voltage Directive (Safety)