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Fluke 724 [37/56] Simulating thermocouples
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Temperature Calibrator
Using Source Mode
27
Simulating Thermocouples
Connect the calibrator TC input/output to the instrument
under test with thermocouple wire and the appropriate
thermocouple mini-connector (polarized thermocouple
plug with flat, in-line blades spaced 7.9 mm [0.312 in]
center to center).
Note
One pin is wider than the other. Do not try to
force a miniplug in the wrong polarization. Figure
13 shows this connection.
Proceed as follows to simulate a thermocouple:
1. Attach the thermocouple leads to the appropriate TC
miniplug, then to the TC input/output as shown in
Figure 13.
2. If necessary, press
M for SOURCE mode.
3. Press
T for the TC display. If desired, continue
pressing this key to select the desired thermocouple
type.
4. Enter the temperature you want by pressing
X and
W keys. Press Y and Z to select a different digit to
edit.
Simulating RTDs
Connect the calibrator to the instrument under test as
shown in Figure 14. Proceed as follows to simulate an
RTD:
1. If necessary, press
M for SOURCE mode.
2. Press
R for the RTD display.
Note
Use the 3W and 4W terminals for measurement
only, not for simulation. The calibrator simulates
a 2-wire RTD at its front panel. To connect to a
3-wire or 4-wire transmitter, use the stacking
cables to provide the extra wires. See Figure 14.
3. Enter the temperature you want by pressing
X and
W keys. Press Y and Z to select a different digit to
edit.
4. If the 724 display indicates ExI HI the excitation
current from your device under test exceeds the limits
of the 724.
Содержание
- February 2000 rev 8 03 1
- Temperature calibrator 1
- Users manual 1
- Limited warranty limitation of liability 2
- Table of contents 3
- Title page 3
- Temperature calibrator contents 5
- List of tables 7
- Table title page 7
- Figure title page 9
- List of figures 9
- Contacting fluke 11
- Introduction 11
- Temperature calibrator 11
- Safety information 13
- Standard equipment 13
- Warning 14
- Caution 15
- Warning 15
- Alligator clips 16
- Figure 1 standard equipment 16
- Stackable test leads 16
- Tl75 test lead set 16
- Users manual 16
- Zi01f eps 16
- 6 5 4 3 2 18
- Figure 2 input output terminals and connectors 18
- Figure 2 shows the calibrator input and output terminals table 3 explains their use 18
- Getting acquainted with the calibrator 18
- Input and output terminals 18
- Source 18
- Tc rtd 18
- Users manual 18
- Figure 3 keys 20
- Figure 3 shows the calibrator keys and table 4 explains their use 20
- Users manual 20
- Display 23
- Getting started 24
- Shut down mode 24
- Figure 5 voltage to voltage test 25
- Recall 25
- Source 25
- Tc rtd 25
- Temperature calibrator shut down mode 25
- Zi04f eps 25
- Contrast adjustment 26
- Current measurement with loop power 27
- Measuring electrical parameters upper display 27
- Using measure mode 27
- Figure 8 connections for supplying loop power 28
- Source 28
- Tc rtd 28
- Users manual 28
- Measuring electrical parameters lower display 29
- Measuring temperature 30
- Using thermocouples 30
- Figure 10 measuring temperature with a thermocouple 32
- Process temperature 32
- Tc miniplug 32
- Users manual 32
- Warning 30 v maximum to 32
- Using resistance temperature detectors rtds 33
- Figure 11 measuring temperature with an rtd measuring 2 3 and 4 wire resistance 35
- Resistance to be measured 35
- Temperature calibrator using measure mode 35
- Sourcing electrical parameters 36
- Using source mode 36
- Simulating rtds 37
- Simulating thermocouples 37
- Color depends on type of tc 38
- Figure 13 connections for simulating a thermocouple 38
- Source 38
- Tc miniplug 38
- Tc rtd 38
- Users manual 38
- Figure 14 connections for simulating 3 wire rtd 39
- Recall 39
- Sensor terminals 39
- Source 39
- Tc rtd 39
- Temperature calibrator using source mode 39
- Manually stepping the output 40
- Setting 0 and 100 output parameters 40
- Stepping and ramping the output 40
- Auto ramping the output 41
- Storing and recalling setups 41
- Calibrating a transmitter 42
- Figure 15 calibrating a thermocouple transmitter 43
- Source 43
- Tc rtd 43
- Temperature calibrator calibrating a transmitter 43
- Testing an output device 44
- Is good problems while measuring using the right jacks indicate that f3 may have opened to replace the fuse refer to figure 17 and perform the following steps 45
- Replacing the batteries 45
- Replacing the fuse 45
- The fuse can be removed and checked for resistance a value of 10 45
- Turn the calibrator off remove the test leads from the terminals and hold the calibrator face dow 45
- Warning 45
- Cleaning the calibrator 46
- Maintenance 46
- Service center calibration or repair 46
- Replacement parts 47
- Figure 18 replacement parts 48
- Users manual 48
- Dc ma measurement 49
- Dc voltage measurement 49
- Dc voltage source 49
- Specifications 49
- Ohms measurement 50
- Ohms source 50
- Millivolt measurement and source 51
- Temperature thermocouples 51
- Temperature rtd ranges and accuracies its 90 52
- General specifications 53
- Loop power supply 53
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