Fluke 2625A manuali

Fluke 2625A Manuale Utente (197 pagine)

Marchio: Fluke | Categoria: Apparecchiature | Dimensione: 0.88 MB |

Inglese

Indice

2620A/2625A

1

Table of Contents

3

Contents

5

List of Tables

7

List of Figures

9

Interference Information

10

Warning

11

To avoid electric shock:

11

Users Manual

12

Getting Started

13

Chapter 1

19

Options and Accessories

21

Where to go From Here

23

Chapter 2

25

Overview

25

Setting Up the Instrument

27

Operating Modes

33

Turning the Instrument On

33

Front Panel Display

34

Reading the Display

34

Front Panel Buttons

35

Setting up a Channel

36

Alarm Limits

38

Setting the Scan Interval

39

Using the Monitor Function

40

Using the Scan Function

40

Reviewing Channel Data

40

Viewing the Totalizer Count

41

Using External DC Power

41

Using the Rack Mount Kit

42

Chapter 3

43

Other Displayed Data

46

Channel Configuration

46

Setting Alarms

51

Complete Alarm

52

Parameters (Below)

52

Resetting Alarm Conditions

53

Using the Digital I/O Lines

53

Mx+B Scaling

54

Instrument Configuration

56

:00:00 0:00:00 0:00:0

57

Triggering

58

External Triggering

58

Changing the Temperature Unit

58

Measurement Connections

59

Resistance and RTD

62

Totalizing

64

Review Array

64

List Button Functions

65

Autoprint

67

Memory Storage

67

REM Annunciator

69

Chapter 4

71

START 7 Bit Data PARITY STOP

74

START 8 Bit Data STOP

74

Parity = “E” or “Odd”

74

Parity = “No”

74

Autoprint: Output Format

75

Memory Retrieval

76

Memory Full Operation

77

Clearing Memory

77

Installation Test

78

RS-232 Information

78

Character Echoing

78

Character Deletion

78

Device Clear Using Ctrl C

78

Using the IEEE-488 Interface

79

Input Strings

84

Input Terminators

84

Typical Input Strings

84

Select 30-kilohm range

85

FUNC 1, TEMP

85

LAST?SCAN 1;

85

Output Queue

88

Status Byte Register

89

Instrument Event Register

91

2620A, 2625A

100

Using the Computer Interface

101

M on the front panel

108

Q triggers a single scan

111

Q on the front panel

113

Chapter 5

117

Additional Considerations

117

Introduction

119

Measurement Rate

119

Advanced Trigger Mechanisms

119

Thermal Voltages

122

True RMS Measurements

124

Making Mixed Measurements

125

Using Shielded Wiring

127

In More Detail

128

Chapter 6

129

Maintenance

129

Cleaning

131

Line Fuse

131

Performance Tests

132

Accuracy Verification Test

135

Channel Integrity Test

135

4-Terminal Resistance Test

138

(4-WIRE)

140

RTD Temperature Accuracy Test

142

Digital Output Test

144

Digital Input Test

144

Totalizer Test

145

Totalizer Sensitivity Test

146

Dedicated Alarm Output Test

147

Calibration

149

Variations in the Display

150

Appendices

151

Appendix A

153

Specifications

153

DC Voltage Inputs

154

Thermocouple Inputs

155

RTD Inputs

157

AC Voltage Inputs

158

Appendices

159

Ohms Inputs

161

Frequency Inputs

162

Typical Scanning Rate

163

Maximum Autoranging Time

164

Totalizing Input

164

Digital Inputs

164

Trigger Input

165

Digital and Alarm Outputs

166

Real-Time Clock and Calendar

166

Environmental

166

2625A Data Storage

168

2620A Options

168

Appendix B

169

Appendix C

171

Requirements

171

Appendix D

177

Appendix E

181

Binary Upload of Logged Data

181

(LOG_BIN?) (2625A only)

181

Decoding the ASCII String

181

Floating Point Conversion

183

Appendix F

187

RS-232 Cabling

187

Connections

187

Hydra Configuration Record

195

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