Fluke 741B, 743B, and 744 Process Calibrator Datasheet
Page 1
... specifications. Battery replacement: Via snap-shut door without opening calibrator; Instrumentation management software The Fluke 743B and 744 are compatible with Fluke 700SW DPC/TRACK software and with software from Beamex, Cornerstone, Fisher-Rosemont, Honeywell, On Time Support and Prime Technologies. 741B: A complete documenting calibrator The 741B is often misunderstood. Ordering information Fluke-741B Documenting Process Calibrator Fluke...
... specifications. Battery replacement: Via snap-shut door without opening calibrator; Instrumentation management software The Fluke 743B and 744 are compatible with Fluke 700SW DPC/TRACK software and with software from Beamex, Cornerstone, Fisher-Rosemont, Honeywell, On Time Support and Prime Technologies. 741B: A complete documenting calibrator The 741B is often misunderstood. Ordering information Fluke-741B Documenting Process Calibrator Fluke...
Fluke 741B - 743B Users Manual
Page 2
... and that software will operate substantially in another country. To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with its functional specifications for repair in accordance with a description of Fluke. Since some countries or states do not allow limitation of the term of an implied warranty, or...
... and that software will operate substantially in another country. To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with its functional specifications for repair in accordance with a description of Fluke. Since some countries or states do not allow limitation of the term of an implied warranty, or...
Fluke 741B - 743B Users Manual
Page 6
741B/743B Users Manual In Case of Difficulty 97 Service Center Calibration or Repair 98 Replacement Parts...99 Accessories...100 Specifications...102 DC Voltage Measurement 103 AC Voltage Measurement 104 DC Current Measurement 105 Resistance Measurement 105 Continuity Testing ...106 Frequency Measurement 106 DC Voltage Output ...... 110 Temperature, Thermocouples 111 Temperature, Resistance Temperature Detectors 114 Loop Power Supply 116 Top and Bottom Limits of Ranges with Auto Range On 117 General Specifications 119 Index ...121 iv
741B/743B Users Manual In Case of Difficulty 97 Service Center Calibration or Repair 98 Replacement Parts...99 Accessories...100 Specifications...102 DC Voltage Measurement 103 AC Voltage Measurement 104 DC Current Measurement 105 Resistance Measurement 105 Continuity Testing ...106 Frequency Measurement 106 DC Voltage Output ...... 110 Temperature, Thermocouples 111 Temperature, Resistance Temperature Detectors 114 Loop Power Supply 116 Top and Bottom Limits of Ranges with Auto Range On 117 General Specifications 119 Index ...121 iv
Fluke 741B - 743B Users Manual
Page 10
...68 24. Calibrating a Chart Recorder 87 26. Calibrating a mV to -Current (P/I /P) Transmitter 89 29. LCD Operating Environment Specification 120 viii Checking a Tachometer...92 34. Calibrating a Pressure-to Current Transmitter 94 36. Sourcing Resistance...91 32. Checking a... Vortex Sheeding Flowmeter 95 37. Connections for Supplying Loop Power 49 19. Measuring Voltage Drop ...87 27. 741B/743B Users Manual 18. Connections for Simulating a Thermocouple 55 21. Measuring a Precision Resistor 91 31. Checking a Switch...
...68 24. Calibrating a Chart Recorder 87 26. Calibrating a mV to -Current (P/I /P) Transmitter 89 29. LCD Operating Environment Specification 120 viii Checking a Tachometer...92 34. Calibrating a Pressure-to Current Transmitter 94 36. Sourcing Resistance...91 32. Checking a... Vortex Sheeding Flowmeter 95 37. Connections for Supplying Loop Power 49 19. Measuring Voltage Drop ...87 27. 741B/743B Users Manual 18. Connections for Simulating a Thermocouple 55 21. Measuring a Precision Resistor 91 31. Checking a Switch...
Fluke 741B - 743B Users Manual
Page 11
... Specifications are battery-powered, hand-held instruments that lets you set the display to English, French, German, Italian, or Spanish. A setup option that measure and source electrical and physical parameters. A summary of the manual. Documenting Process Calibrator Introduction Fluke 741B... and 743B Documenting Process Calibrators (hereafter referred to as the calibrator) are near the back of the measuring and sourcing functions provided by the 741B and 743B calibrators is unstable.
... Specifications are battery-powered, hand-held instruments that lets you set the display to English, French, German, Italian, or Spanish. A setup option that measure and source electrical and physical parameters. A summary of the manual. Documenting Process Calibrator Introduction Fluke 741B... and 743B Documenting Process Calibrators (hereafter referred to as the calibrator) are near the back of the measuring and sourcing functions provided by the 741B and 743B calibrators is unstable.
Fluke 741B - 743B Users Manual
Page 32
.... Battery Life Operating Modes Backlight Off Measure, continuous Measure and source, with the low battery. WWarning To avoid false readings, which could lead to meet specifications until the low battery annunciator b located at the top right side of the display appears and the beeper beeps every 4 seconds.... 741B/743B Users Manual Battery Life Table 4 shows the operating time for up to 1000 charge / discharge cycles. If you charge the battery. For longest battery ...
.... Battery Life Operating Modes Backlight Off Measure, continuous Measure and source, with the low battery. WWarning To avoid false readings, which could lead to meet specifications until the low battery annunciator b located at the top right side of the display appears and the beeper beeps every 4 seconds.... 741B/743B Users Manual Battery Life Table 4 shows the operating time for up to 1000 charge / discharge cycles. If you charge the battery. For longest battery ...
Fluke 741B - 743B Users Manual
Page 38
...Electrical Parameters When you press the r key, the range is locked. Figure 10 shows electrical measurement connections. If the calibrator is shown in the specifications at the end of the MEASURE parameters. You must be in MEASURE mode to Auto Range. Auto Range switch points are shown in a reverse-...twice for frequency, or q for two seconds to revert to change any of this manual. Press it and hold it for resistance. 28 741B/743B Users Manual Using Measure Mode Note To achieve best noise rejection and highest accuracy performance, do not use the battery eliminator, and tie all...
...Electrical Parameters When you press the r key, the range is locked. Figure 10 shows electrical measurement connections. If the calibrator is shown in the specifications at the end of the MEASURE parameters. You must be in MEASURE mode to Auto Range. Auto Range switch points are shown in a reverse-...twice for frequency, or q for two seconds to revert to change any of this manual. Press it and hold it for resistance. 28 741B/743B Users Manual Using Measure Mode Note To achieve best noise rejection and highest accuracy performance, do not use the battery eliminator, and tie all...
Fluke 741B - 743B Users Manual
Page 40
...them, how you zero them, what types of pressure in how you are allowed, and accuracy specification. Press q twice so that Open appears. 4. Differential modules also work in the module's Instruction...you are available from the circuit to select the lower frequency range, then press e. 2. 741B/743B Users Manual Note When measuring frequency, you attach the pressure module to the pressure ...line. Connect the test leads as follows to test continuity: 1. Remove power from Fluke. If necessary, press M for the process pressure to be below 20 Hz, press d to be...
...them, how you zero them, what types of pressure in how you are allowed, and accuracy specification. Press q twice so that Open appears. 4. Differential modules also work in the module's Instruction...you are available from the circuit to select the lower frequency range, then press e. 2. 741B/743B Users Manual Note When measuring frequency, you attach the pressure module to the pressure ...line. Connect the test leads as follows to test continuity: 1. Remove power from Fluke. If necessary, press M for the process pressure to be below 20 Hz, press d to be...
Fluke 741B - 743B Users Manual
Page 53
... fully damped, the g symbol is turned on. Damping Your Measurements The calibrator normally applies a software filter to turn damping back on. Fluke recommends that damping is displayed. 43 If damping is turned off may be useful when measurement response is a running average of the last...Dampen again to turn off damping, press the More Choices softkey twice, then press the Dampen softkey so that Off appears. The specifications assume that you want to dampen measurements in all functions except continuity. The damping method is more important than accuracy or noise ...
... fully damped, the g symbol is turned on. Damping Your Measurements The calibrator normally applies a software filter to turn damping back on. Fluke recommends that damping is displayed. 43 If damping is turned off may be useful when measurement response is a running average of the last...Dampen again to turn off damping, press the More Choices softkey twice, then press the Dampen softkey so that Off appears. The specifications assume that you want to dampen measurements in all functions except continuity. The damping method is more important than accuracy or noise ...
Fluke 741B - 743B Users Manual
Page 60
... Caution To avoid mechanically damaging the pressure module, never apply more than 10 ft.-lb. To avoid damaging the pressure module from Fluke. 741B/743B Users Manual Sourcing Pressure The calibrator provides a source pressure display function that requires the use a pressure module, read its Instruction... Use this manual. See "Accessories" near the back of an external pressure hand pump. of pressure modules are allowed, and accuracy specification. The modules vary in a pressurized system, shut off the valve and slowly bleed off the pressure before you use it only with...
... Caution To avoid mechanically damaging the pressure module, never apply more than 10 ft.-lb. To avoid damaging the pressure module from Fluke. 741B/743B Users Manual Sourcing Pressure The calibrator provides a source pressure display function that requires the use a pressure module, read its Instruction... Use this manual. See "Accessories" near the back of an external pressure hand pump. of pressure modules are allowed, and accuracy specification. The modules vary in a pressurized system, shut off the valve and slowly bleed off the pressure before you use it only with...
Fluke 741B - 743B Users Manual
Page 82
741B/743B Users Manual 4. Now check the transmitter at step 3. An entry in step 4, you must go back and repeat steps 3 and 4 until no more adjustment is required. 6. When the tests are complete, observe the error summary table, such as they are within specification, your adjustment is made for as left ...data. 72 If all the test points, or you have just adjusted. 1. If it is within specification, as the following. "As Left" Test Run Proceed as left data. 2. Press the As Left softkey to a measure or source value indicates an unsettled...
741B/743B Users Manual 4. Now check the transmitter at step 3. An entry in step 4, you must go back and repeat steps 3 and 4 until no more adjustment is required. 6. When the tests are complete, observe the error summary table, such as they are within specification, your adjustment is made for as left ...data. 72 If all the test points, or you have just adjusted. 1. If it is within specification, as the following. "As Left" Test Run Proceed as left data. 2. Press the As Left softkey to a measure or source value indicates an unsettled...
Fluke 741B - 743B Users Manual
Page 94
... the display with Min Max on this feature. Tasks are always undamped, even if Dampen is controlling the calibrator, the Continue softkey becomes Continue Task. 741B/743B Users Manual Recording Min and Max Measurements You can set the display to view the list of...
... the display with Min Max on this feature. Tasks are always undamped, even if Dampen is controlling the calibrator, the Continue softkey becomes Continue Task. 741B/743B Users Manual Recording Min and Max Measurements You can set the display to view the list of...
Fluke 741B - 743B Users Manual
Page 112
... 90-day source and measurement accuracy can be estimated by dividing the 1 year "% of Reading" or "% of Output" specifications by 3. When damping is turned off, or when the g annunciator is turned on. 741B/743B Users Manual • 80T-150U Temperature Probe • 80PK series thermocouples • 80i-410 Clamp-on DC/AC...
... 90-day source and measurement accuracy can be estimated by dividing the 1 year "% of Reading" or "% of Output" specifications by 3. When damping is turned off, or when the g annunciator is turned on. 741B/743B Users Manual • 80T-150U Temperature Probe • 80PK series thermocouples • 80i-410 Clamp-on DC/AC...
Fluke 741B - 743B Users Manual
Page 113
Documenting Process Calibrator Specifications DC Voltage Measurement Range Resolution Models 741B and 743B % of Reading +% of Full Scale 1 Year 2 Year 110 mV 1 µV 0.025% + 0.015% 0.05% + 0.015% 1.1V 10 µV 0.025% + 0.005% 0.05% + 0.005% 11V 100 ...
Documenting Process Calibrator Specifications DC Voltage Measurement Range Resolution Models 741B and 743B % of Reading +% of Full Scale 1 Year 2 Year 110 mV 1 µV 0.025% + 0.015% 0.05% + 0.015% 1.1V 10 µV 0.025% + 0.005% 0.05% + 0.005% 11V 100 ...
Fluke 741B - 743B Users Manual
Page 114
Input Impedance: 5 MΩ and 741B/743B Users Manual AC Voltage Measurement Frequency Range Models 741B and 743B % of Reading + Number of Counts 1 Year 2 Year 20 Hz to 40 Hz 2% + 10 2% + 10 40 Hz to 500 Hz 0.5% + 5 0.5% + 5 500 Hz to 1 kHz 2% + 10 2% + 10 1 kHz to 5 kHz 10% + 20 10% + 20 Ranges : 1.1000V, 11.000V, 110.00V, 300.0V rms Resolution: 11.000 counts in all ranges except 300V; 3,000 counts on 300V range.
Input Impedance: 5 MΩ and 741B/743B Users Manual AC Voltage Measurement Frequency Range Models 741B and 743B % of Reading + Number of Counts 1 Year 2 Year 20 Hz to 40 Hz 2% + 10 2% + 10 40 Hz to 500 Hz 0.5% + 5 0.5% + 5 500 Hz to 1 kHz 2% + 10 2% + 10 1 kHz to 5 kHz 10% + 20 10% + 20 Ranges : 1.1000V, 11.000V, 110.00V, 300.0V rms Resolution: 11.000 counts in all ranges except 300V; 3,000 counts on 300V range.
Fluke 741B - 743B Users Manual
Page 115
Documenting Process Calibrator Specifications DC Current Measurement Range Resolution Models 741B and 743B % of Reading +% of Full Scale 1 Year 2 Year 30 mA 1 µA 0.01% + 0.015% 0.02% + 0.015% 110 mA 10 µA 0.01% + 0.015% 0.02% + 0.015% ... to 18°C and 28 to 50°C Common Mode Error: 0.01% f.s./(Common Mode Volt) Maximum Input Voltage: 30V dc Resistance Measurement Range Resolution Models 741B and 743B % of Reading + ohms 1 Year 2 Year 11Ω 0.001Ω 0.05% + 0.05 0.075% + 0.05 110Ω 0.01Ω 0.05% + 0.05 0.075% + 0.05 1.1 kΩ ...
Documenting Process Calibrator Specifications DC Current Measurement Range Resolution Models 741B and 743B % of Reading +% of Full Scale 1 Year 2 Year 30 mA 1 µA 0.01% + 0.015% 0.02% + 0.015% 110 mA 10 µA 0.01% + 0.015% 0.02% + 0.015% ... to 18°C and 28 to 50°C Common Mode Error: 0.01% f.s./(Common Mode Volt) Maximum Input Voltage: 30V dc Resistance Measurement Range Resolution Models 741B and 743B % of Reading + ohms 1 Year 2 Year 11Ω 0.001Ω 0.05% + 0.05 0.075% + 0.05 110Ω 0.01Ω 0.05% + 0.05 0.075% + 0.05 1.1 kΩ ...
Fluke 741B - 743B Users Manual
Page 116
741B/743B Users Manual Continuity Testing Tone Continuous tone May or may not get tone No tone Frequency Measurement Resistance 400Ω Ranges 1.00 Hz to ... Amplitude for Frequency Measurement (square wave): 30 kHz: 2.8V p-p Maximum input: 1 kHz: 30V rms Input Impedance: 5 MΩ For frequency measurement less than 109.99 Hz, specifications apply for signals with a slew rate greater than 5 volt/millisecond. 106
741B/743B Users Manual Continuity Testing Tone Continuous tone May or may not get tone No tone Frequency Measurement Resistance 400Ω Ranges 1.00 Hz to ... Amplitude for Frequency Measurement (square wave): 30 kHz: 2.8V p-p Maximum input: 1 kHz: 30V rms Input Impedance: 5 MΩ For frequency measurement less than 109.99 Hz, specifications apply for signals with a slew rate greater than 5 volt/millisecond. 106
Fluke 741B - 743B Users Manual
Page 117
Documenting Process Calibrator Specifications DC Voltage Output Range Resolution Models 741B and 743B % of Output + % of Full Scale 1 Year 2 Year 110 mV 1 µV 0.01% + 0.005% 0.015% + 0.005% 1.1 V 10 µV 0.01% + 0.005% 0.015% + 0.005% 15 V 100 µV 0.01% + 0.005% 0.015% + 0.005% Temperature Coefficient: (0.001% of output + 0.001% of f.s.)/°C in the ranges -10 to 18°C and 28 to 50°C Maximum Output Current: 10 mA Loading: (0.001% f.s. + 1 µV)/ mA Common Mode Error: 0.008% f.s/(Common Mode Volt) Maximum Input Voltage: 30V dc 107
Documenting Process Calibrator Specifications DC Voltage Output Range Resolution Models 741B and 743B % of Output + % of Full Scale 1 Year 2 Year 110 mV 1 µV 0.01% + 0.005% 0.015% + 0.005% 1.1 V 10 µV 0.01% + 0.005% 0.015% + 0.005% 15 V 100 µV 0.01% + 0.005% 0.015% + 0.005% Temperature Coefficient: (0.001% of output + 0.001% of f.s.)/°C in the ranges -10 to 18°C and 28 to 50°C Maximum Output Current: 10 mA Loading: (0.001% f.s. + 1 µV)/ mA Common Mode Error: 0.008% f.s/(Common Mode Volt) Maximum Input Voltage: 30V dc 107
Fluke 741B - 743B Users Manual
Page 118
... 28 to 50°C Common Mode Error: 0.008% f.s/(Common Mode Volt) Maximum Input Voltage: 30V dc Specification applies for currents between 2 mA and 22 mA. 741B/743B Users Manual DC Current Output Range/Mode Resolution Models 741B and 743B % of Output + % of Full Scale 1 Year 2 Year 22 mA/ Source mA 1 µA 0.01% + 0.015...
... 28 to 50°C Common Mode Error: 0.008% f.s/(Common Mode Volt) Maximum Input Voltage: 30V dc Specification applies for currents between 2 mA and 22 mA. 741B/743B Users Manual DC Current Output Range/Mode Resolution Models 741B and 743B % of Output + % of Full Scale 1 Year 2 Year 22 mA/ Source mA 1 µA 0.01% + 0.015...
Fluke 741B - 743B Users Manual
Page 119
Documenting Process Calibrator Specifications Resistance Sourcing Range Resolution Models 741B and 743B % of Output + ohms 1 Year 2 Year 11.000Ω 1 mΩ 0.01% + 0.02 0.02% + 0.02 110.00Ω 10 mΩ 0.01% + 0.04 0.02% + 0.04 1.1000 k...
Documenting Process Calibrator Specifications Resistance Sourcing Range Resolution Models 741B and 743B % of Output + ohms 1 Year 2 Year 11.000Ω 1 mΩ 0.01% + 0.02 0.02% + 0.02 110.00Ω 10 mΩ 0.01% + 0.04 0.02% + 0.04 1.1000 k...