![Fluke 712 [61/100] Pressure verification](/img/pdf.png)
Fluke 712 [61/100] Pressure verification
![Fluke 712 [61/100] Pressure verification](/views2/1436044/page61/bg3d.png)
Process Calibrators
Verification
49
7. Disconnect the test leads and push to turn the power off.
mA Loop Power Verification
1. Hold down both LOOP POWER keys ( and ) at the same until the screen
reads:
---------- LOOP mA
then release the keys.
2. Apply 1 kΩ to the mA jacks from the decade box or other resistor sources. The
display should read over 19 mA but less than OL.
3. Push
to turn the power off.
Sensor Jack Verification
1. Make sure nothing is connected to the sensor port of the Fluke 717.
2. Turn power on. The display should read:
---------- mA
then change to:
0.000 PSI
3. Plug the Fluke Pressure Module into the sensor port on the Fluke 717. The display
should change to:
---------- mA
A pressure value should appear on the screen after all of the calibration constants
have been down loaded.
4. Disconnect the Fluke Pressure Module and push
to turn the Fluke 717 off.
718 and 718Ex Verification
This procedure is appropriate for the 718 and 718Ex. When the steps vary, the step will
be labeled (718 Only) or (718Ex Only).
Pressure Verification
WWarning
To avoid a violent release of pressure or vacuum, always
depressurize the system slowly using the pressure/vacuum
release control before detaching any pressure line.
1. Carefully attach the pressure fitting of the deadweight tester to the pressure port of
the Calibrator.
Note
The use of TEFLON tape at the pressure fitting strengthens the seal.
2. Push the green key to turn the calibrator on.
3. The display should read 0.00 PSI with the deadweight tester opened up to ambient
air. If not, push the
key until display does read 0.00 PSI.
4. Depending if the instrument being tested is a 718(Ex) 1G, 30G, 100G, or 300G, set
up the deadweight tester for the sequence of PSI inputs from Table 64 to be injected
into the pressure port of the Calibrator.
5. Ensure the pressure has stabilized at each input before verifying the display reading.
6. Carefully vent all pressure and disconnect the calibrator from the deadweight tester.
Содержание
- Calibration manual 1
- Process calibrators 1
- X series 1
- X series calibration manual 1
- Limited warranty limitation of liability 2
- Warranty 2
- Www fluke co 2
- Table of contents 3
- X series 6
- List of tables 7
- List of figures 9
- X series 10
- How to contact fluke 11
- Introduction 11
- To view print or download the latest manual supplement visit 11
- Xw warning 11
- Precautions and safety information 12
- Xw warning 12
- Explanation of international symbols 15
- Specifications 16
- Specifications for the 71x calibrators are based on a one year calibration cycle and apply for ambient temperatures from 18 c to 28 c unless stated otherwise counts are the number of increments or decrements of the least significant digit general specifications for all models are in table 2 16
- Calibrator specifications vary based on the version of the instrument to display the firmware version for your instrument start with the 712 off push and hold then push the power button find the section heading below for the displayed version and use the specification tables in that section to test and calibrate the instrument 17
- Firmware v1 and earlier 17
- Of ohms range per c for temperature ranges 10 c to 18 c and 28 c to 55 c ohms ranges are 400 ω 1 k ω and 3 k ω 17
- Process calibrators 17
- Resolution 17
- Rtd 0 c ohms 0 ω 17
- Specifications 17
- Temperature coefficient 17
- Firmware v1 through v1 18
- X series 18
- Firmware v2 and later 19
- Of ohms range per c for temperature ranges 10 c to 18 c and 28 c to 55 c ohms ranges are 400 ω 1 k ω and 3 k ω 19
- Process calibrators 19
- Resolution 19
- Temperature coefficient 19
- Ω 0 ω 19
- Resolution 20
- X series 20
- Ω 0 ω 20
- Calibrator specifications vary based on the version of the instrument to display the firmware version for your instrument start with the 714 off push and hold then push the power button find the section heading below for the displayed version and use the specification tables in that section to test and calibrate the instrument 21
- Firmware earlier than v2 21
- Of ohms range per c for temperature ranges 10 c to 18 c and 28 c to 55 c ohms ranges are 400 ω 1 k ω and 4 k ω 21
- Process calibrators 21
- Specifications 21
- Temperature coefficient 21
- Firmware v2 and later 22
- X series 22
- Firmware earlier than v2 23
- Specifications 23
- Compliance 1000 ω at 20 ma for battery voltage 6 v 700 ω at 20 ma for battery voltage 5 to 6 v 24
- External loop voltage requirement 24 v nominal 30 v maximum 12 v minimum 24
- Firmware 2 and later 24
- Loop power 24
- Of ohms range per c for temperature ranges 10 c to 18 c and 28 c to 55 c 24
- Simulate mode 24
- Source mode 24
- Temperature coefficient 24
- V nominal 24
- X series 24
- Accuracy is specified for 1 year after calibration at operation temperatures of 10 c to 55 c to show the firmware version start with the unit off and push and hold the lower center button it will be or then push 25
- Pressure 25
- Process calibrators 25
- Specifications 25
- X series 26
- 15 30 100 300 500 1000 1500 3000 5000 10000 27
- Determined by pressure module 27
- Fuseless overvoltage protection 27
- Loop supply 27
- Of range per c for temperature ranges of between 10 c to 18 c and 28 c to 55 c 27
- Overload protection 27
- Pressure module input 27
- Process calibrators 27
- Specifications 27
- Table 22 717 range and resolution 27
- Temperature coefficient 27
- V dc nominal 27
- Accuracy is specified for 1 year after calibration at operating temperatures of 10 c to 55 c 28
- And 718ex specifications 28
- To display firmware version start with the unit off push and hold or then push 28
- X series 28
- 24 v dc nominal 29
- Determined by pressure module 29
- Ex no loop supply 29
- Fuseless overvoltage protection 29
- Loop supply 29
- Of range per c for temperature ranges of between 10 c to 18 c and 28 c to 55 c 29
- Overload protection 29
- Pressure module input 29
- Process calibrators 29
- Temperature coefficient 29
- Loop supply 30
- Specifications 30
- Specifications are based on a one year calibration cycle and apply for ambient temperature from 18 c to 28 c unless stated otherwise counts are the number of increments or decrements of the least significant digit 30
- V dc nominal 30
- X series 30
- A message from 31
- Fluke corporation 31
- Static awareness 31
- Basic maintenance 33
- Cleaning 33
- Replacing the battery 33
- Xw warning 33
- Ex approved batteries 35
- For a list of 718ex approved batteries refer to table 31 35
- Process calibrators 35
- Replacing the fuse 35
- To avoid personal injury or damage to the calibrator use only a 0 25a 250v fast fuse littelfus 35
- To check if the fuse s are blown refer to table 32 35
- Xw warning 35
- Process calibrators 37
- Required equipment 37
- The equipment required to perform the verification and calibration procedures in this manual is identified in table 33 37
- X series 38
- Preparing for verification 39
- Resistance measure verification 39
- Verification 39
- Verification v1 and earlier 39
- Display verification 40
- Keypad test 40
- Resistance source verification 40
- Verification v1 through v1 41
- Verification v2 and later 42
- Disconnect all connections to the 712 the 712 verification test is complete 43
- Input xx x c 43
- Key and the 43
- Key so that the display indicates 43
- Key to measure type j thermocouple and connect the type j thermocouple test lead from the tc jack of the fluke 5520a to the tc jack on the 714 calibrator observing correct polarity 43
- Key to turn on the 714 calibrator push the 43
- Make 2 wire connections on the 712 to 4 wire connections on the fluke 8508a set the fluke 8508a to measure 4 wire resistance 43
- Process calibrators 43
- Push the 43
- Push until output is displayed 43
- Set the 712 to output the resistance values in table 41 verify that the fluke 8508a readings are within the limits shown 43
- Set the fluke 5520a to output in type j thermocouple push the o key and set the 5520a to the settings in table 42 verifying the display readings on the 714 43
- Thermocouple measure verification 43
- Verification earlier than v2 43
- Verification earlier than v2 thermocouple measure verification 43
- Where xx x is some variable number or ol overload may be indicated 43
- Thermocouple source verification 44
- Display verification 45
- Keypad test 45
- Thermocouple measure verification 45
- Verification v2 and later 45
- And scroll keys to source the temperatures in table 49 while verifying the readings on the 5520a 46
- Connect the type j thermocouple test lead from the fluke 5520a tc jack to the tc jack on the 714 calibrator observing correct polarity 46
- Disconnect the copper test lead from the fluke 5520a 46
- Key on the 714 calibrator to indicate 46
- Key on the 714 calibrator to type j and disconnect the copper wire test lead 46
- Key until mv is shown on the display 46
- On the 714 push the 46
- On the 714 push the large and scroll keys to source the voltages in table 48 while verifying the readings on the fluke 8508a 46
- Ouput 0 0 mv 46
- Push the 46
- Set the fluke 5520a to the settings in table 47 and verify the display readings on the 714 calibrator 46
- Set the fluke 5520a to u with type j input on the 714 push the large 46
- Set the fluke 8508a to vdc and 200 mv range connect the two wire copper test lead from the tc jack on the 714 calibrator to the input jacks of the fluke 8508a 46
- The 714 verification test is now complete 46
- Thermocouple source verification 46
- X series 46
- Dc current source verification 47
- Dc voltage source verification 47
- Verification earlier than v2 47
- Dc current measure verification 48
- Keypad test 48
- Dc voltage measure verification 49
- Display verification 49
- Dc current source verification 50
- Dc voltage source verification 50
- Verification v2 and later 50
- Dc current measure verification 51
- Dc voltage measure verification 51
- Pressure verification 52
- Verification 52
- Process calibrators 53
- X series 54
- Process calibrators 55
- X series 56
- Process calibrators 57
- X series 58
- Process calibrators 59
- Adjust the 5520a if necessary so that the current shown on the fluke 8508a is the same as the 5520a values shown in table 63 60
- Carefully vent all pressure and disconnect the 717 from the deadweight tester 60
- Connect a test lead from black aux terminal of the 5520a to the 717 calibrator com terminal 60
- Connect a test lead from i terminal of the fluke 8508a to the 717 calibrator ma terminal 60
- Connect a test lead from red aux terminal of the 5520a to the fluke 8508a i terminal 60
- Ma 0 0psi 60
- Ma measure verification 60
- Then change to 60
- To turn power on the display should read 60
- Verify that the display readings on the 717 calibrator are within the limits 60
- X series 60
- And 718ex verification 61
- Ma loop power verification 61
- Pressure verification 61
- Sensor jack verification 61
- W warning 61
- Note when verifying vacuum pressure make sure the pressure vacuum switch is in the vacuum position forward clockwise is for pressure and backward counter clockwise is for vacuum 62
- X series 62
- Process calibrators 63
- X series 64
- Adjust the 5520a if necessary so that the current shown on the fluke 8508a is the same as the 5520a values shown in table 66 65
- Connect a test lead from black aux terminal of the 5520a to the calibrator com terminal 65
- Connect a test lead from i terminal of the fluke 8508a to the calibrator ma terminal 65
- Connect a test lead from red aux terminal of the 5520a to the fluke 8508a i terminal 65
- Disconnect the test leads and turn off the 718 calibrator 65
- Leak test verification 65
- Ma 0 0 psi 65
- Ma measure verification 65
- Process calibrators 65
- Seal off the pressure sensor input port 65
- The display should indicate 65
- Using the fine adjust knob pressure vacuum switch and internal pump set the calibrator to approximately the values in table 65 let the unit sit for one minute then record the displayed value 65
- Verify that the display readings on the calibrator are within the limits 65
- Wait for one more minute then record a second reading the difference between the first and the second reading is the leak rate 65
- Display verification 66
- Ma loop power verification 718 only 66
- Pressure verification 66
- Sensor jack verification 66
- Verification 66
- W warning 66
- Note the 719 vent should be closed and the pressure vacuum switch should be in the pressure position for pressure measurements 67
- Process calibrators 67
- Push to turn the calibrator on 67
- Setup the deadweight tester for the sequence of psi inputs from table 67 for the 719 being tested 30g or 100g ensure the pressure has stabilized at each input before verifying the display reading then proceed to the next value 67
- The display should read 0 psi for the 30g and 0 0 psi for the 100g with the deadweight tester opened up to ambient air if not push until display reads 0 0 psi or 0 00 psi 67
- When complete vent all pressure and disconnect the calibrator from the deadweight tester 67
- When verifying vacuum measurement make sure the pressure vacuum switch is in the vacuum position clockwise is for pressure and counter clockwise is for vacuum 67
- Leak test verification 68
- Ma measure verification 68
- Ma source verification 69
- Calibration 70
- Ma loop power verification 70
- Preparing for calibration 70
- Sensor jack verification 70
- Calibration v1 and earlier 71
- Millivolts measure 71
- Push any key on the 712 calibrator the display should read 71
- Ma measure 72
- Resistance measure 72
- Calibration v1 through v1 73
- Calibration v2 and later 74
- Ohms input 75
- Ohms output high range 75
- Ohms output low range 75
- Calibration earlier than v2 76
- Temperature measure 76
- Temperature source 76
- Thermocouple block calibration 76
- Calibration v2 and later 77
- Mv input 77
- Mv output 77
- Calibration earlier than v2 78
- Ma volts measure 78
- Calibration v2 and later 79
- Ma volts source measure 79
- Ma input 80
- Mv input 80
- V input 80
- Ma output 81
- Mv output 81
- V output 81
- Calibration earlier than v2 82
- Ma measure 82
- Pressure measure 82
- Calibration v2 to v3 84
- Ma measure 84
- Pressure measure 84
- Calibration v4 and later 85
- Ma measure 85
- Pressure measure 86
- Calibration earlier than v2 87
- Ma measure 87
- Pressure measure 88
- Calibration v2 to v3 89
- Ma measure 89
- Pressure measure 90
- Calibration v4 and later 91
- Ma measure 91
- Pressure measure 92
- Ex calibration 93
- Ma measure 93
- Calibration v1 95
- Ma measure 95
- Ma output calibration 96
- Pressure measure 96
- Note not all parts listed in table 71 are shown in figure 7 98
- Replacement parts and accessories 98
- Table 71 lists the replaceable parts and accessories for the 71x calibrators see figure 7 for an exploded view of the 718 calibrator fluke repair is recommended for the 718ex and no 718ex replacement parts are listed in table 71 98
- X series 98
- Process calibrators 99
- X series 100
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