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Fluke 718 Руководство по калибровке онлайн

71X Series

Process Calibrators

Calibration Manual

PN 686540

January 1998 Rev. 11, 3/12

All product names are trademarks of their respective companies.

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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

Fluke 718 Руководство по калибровке онлайн

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