Fluke 725 [18/72] Users manual

Содержание

• Multifunction process calibrator p.1
• Limited warranty and limitation of liability p.2
• Title page p.3
• Table of contents p.3
• Contents p.5
• List of tables p.7
• Table title page p.7
• List of figures p.9
• Figure title page p.9
• Multifunction process calibrator p.11
• Introduction p.11
• Contacting fluke p.11
• Standard equipment p.13
• Safety information p.13
• Warning p.14
• Warning p.15
• Caution p.15
• Users manual p.16
• Figure 1 standard equipment p.16
• Figure 2 shows the calibrator input and output terminals table 3 explains their use p.18
• Figure 2 input output terminals and connectors p.18
• 6 5 4 3 p.18
• Users manual p.18
• Input and output terminals p.18
• Getting acquainted with the calibrator p.18
• Users manual p.20
• Figure 3 shows the calibrator keys and table 4 explains their use p.20
• Figure 3 keys p.20
• Display p.23
• Getting acquainted with the calibrator p.23
• Figure 4 shows the elements of a typical display p.23
• Figure 4 elements of a typical display p.23
• Shut down mode p.24
• Getting started p.24
• Shut down mode p.25
• Sh39f eps p.25
• Figure 5 voltage to voltage test p.25
• Contrast adjustment p.26
• Using measure mode p.27
• Measuring electrical parameters upper display p.27
• Current measurement with loop power p.27
• Users manual p.28
• Figure 8 connections for supplying loop power p.28
• Measuring electrical parameters lower display p.29
• Using thermocouples p.30
• Measuring temperature p.30
• Warning 30 v maximum to p.32
• Users manual p.32
• Tc miniplug p.32
• Process temperature p.32
• Figure 10 measuring temperature with a thermocouple p.32
• Using resistance temperature detectors rtds p.33
• Rtd resistance to be measured p.35
• Figure 11 measuring temperature with an rtd measuring 2 3 and 4 wire resistance p.35
• Using measure mode p.35
• Warning p.36
• Measuring pressure p.36
• Caution p.36
• Zeroing with absolute pressure modules p.37
• Users manual p.38
• Isolation valve p.38
• Gage module p.38
• Figure 13 connections for measuring pressure p.38
• Differential module p.38
• Sourcing 4 to 20 ma p.39
• Using source mode p.39
• Sourcing other electrical parameters p.39
• Simulating a 4 to 20 ma transmitter p.39
• Users manual p.40
• Figure 14 connections for simulating a 4 to 20 ma transmitter p.40
• Using source mode p.41
• Measure source measure p.41
• Figure 15 electrical sourcing connections p.41
• Simulating thermocouples p.42
• Simulating rtds p.42
• Using source mode p.43
• Tc miniplug p.43
• Figure 16 connections for simulating a thermocouple p.43
• Color depends on type of tc p.43
• Users manual p.44
• Sensor terminals p.44
• Figure 17 connections for simulating 3 wire rtd p.44
• Warning p.45
• Sourcing pressure p.45
• Caution p.45
• Manually stepping the ma output p.47
• Stepping and ramping the output p.47
• Setting 0 and 100 output parameters p.47
• Storing and recalling setups p.48
• Auto ramping the output p.48
• Calibrating a transmitter p.49
• Users manual p.50
• Figure 19 calibrating a thermocouple transmitter p.50
• Calibrating a pressure transmitter p.51
• Users manual p.52
• Pressure module p.52
• Hand pump p.52
• Figure 20 calibrating a pressure to current p i transmitter p.52
• Calibrating an i p device p.53
• Users manual p.54
• Pressure module p.54
• Figure 21 calibrating a current to pressure i p transmitter p.54
• Testing an output device p.55
• You can control the calibrator remotely from a pc running a terminal emulator program the remote control commands give access to all capabilities of the calibrator with the exception of pressure measurement see table 8a 8c for the remote commands and explanations p.56
• Users manual p.56
• The remote control interface on the 725 is activated by turning the calibrator off then turning it on again while depressing the p.56
• The fluke 700sc serial interface cable assembly pn 667425 plugs into the pressure module connector and p.56
• Terminates in a db 9 connector which plugs directly into a pc serial port a db 9 to db 25 adapter is required to connect to a pc p.56
• Table 8b remote control lower display p.56
• Table 8a remote control upper display p.56
• Remote control commands p.56
• Key the calibrator will initialize with its remote port enabled the terminal emulator connected to the calibrator should be set up for 9600 baud no parity 8 data bits and 1 stop bit p.56
• Warning p.59
• Replacing the fuses p.59
• Replacing the batteries p.59
• Service center calibration or repair p.60
• Maintenance p.60
• Cleaning the calibrator p.60
• Replacement parts p.61
• Users manual p.62
• Figure 24 replacement parts p.62
• External fluke pressure module compatibility p.63
• Accessories p.63
• Specifications p.66
• Millivolt measurement and source p.66
• Dc voltage source p.66
• Dc voltage measurement p.66
• Ohms source p.67
• Ohms measurement p.67
• Frequency measurement p.67
• Dc ma measurement and source p.67
• Temperature thermocouples p.68
• Frequency source p.68
• Loop power supply p.69
• Temperature rtd ranges and accuracies its 90 p.69
• Rtd excitation simulation p.69
• Pressure measurement p.70
• General specifications p.70