User Manual
Page 11
...™ storage and share with your team. Introduction The 279 FC True-rms Thermal Multimeter (the Multimeter or Product) is a system that wirelessly connects your Multimeter with an app on your smartphone or tablet display. Fluke Connect™ is a digital multimeter with the iFlex • DC voltage • Volts/Hertz ratio • Resistance •...
...™ storage and share with your team. Introduction The 279 FC True-rms Thermal Multimeter (the Multimeter or Product) is a system that wirelessly connects your Multimeter with an app on your smartphone or tablet display. Fluke Connect™ is a digital multimeter with the iFlex • DC voltage • Volts/Hertz ratio • Resistance •...
User Manual
Page 28
279 FC Users Manual VVooltlstsAACC VVooltlstsDDCC MMiilllilvivooltlstsDDCC iFlex iFlex iFlex Figure 4. AC and DC Voltage Measurements 18
279 FC Users Manual VVooltlstsAACC VVooltlstsDDCC MMiilllilvivooltlstsDDCC iFlex iFlex iFlex Figure 4. AC and DC Voltage Measurements 18
User Manual
Page 30
279 FC Users Manual Resistance Measurements XW Warning To prevent possible electrical shock, fire, or personal injury, disconnect power and discharge all paths between the probes, the resistance measured is the total resistance of all high-voltage capacitors before you measure resistance, continuity, capacitance, or a diode junction. Figure 7. Because the current flows through the circuit for resistance measurements. Resistance Measurements 20 The Multimeter sends a small current through iFlex all possible paths between the probes. See Figure 7.
279 FC Users Manual Resistance Measurements XW Warning To prevent possible electrical shock, fire, or personal injury, disconnect power and discharge all paths between the probes, the resistance measured is the total resistance of all high-voltage capacitors before you measure resistance, continuity, capacitance, or a diode junction. Figure 7. Because the current flows through the circuit for resistance measurements. Resistance Measurements 20 The Multimeter sends a small current through iFlex all possible paths between the probes. See Figure 7.
User Manual
Page 32
iFlex iFlex OL shows on the display when the circuit is sensed. The continuity test uses a beeper that sounds when a closed circuit is open. See Figure 9. Figure 9. The beeper lets you measure resistance, continuity, capacitance, or a diode junction. Continuity Tests 22 279 FC Users Manual Continuity Test XW Warning To prevent possible electrical shock, fire, or personal injury, disconnect power and discharge all high-voltage capacitors before you do continuity tests without the necessity to look at the display.
iFlex iFlex OL shows on the display when the circuit is sensed. The continuity test uses a beeper that sounds when a closed circuit is open. See Figure 9. Figure 9. The beeper lets you measure resistance, continuity, capacitance, or a diode junction. Continuity Tests 22 279 FC Users Manual Continuity Test XW Warning To prevent possible electrical shock, fire, or personal injury, disconnect power and discharge all high-voltage capacitors before you do continuity tests without the necessity to look at the display.
User Manual
Page 36
279 FC Users Manual GooooddDDioidoede Forward Bias GGoooodd DDiiooddee RReveevresresBeiaBsias BBaadd DDiiooddee iFlex BaaddDDioidoede 1 BBEEEEPP OPOEPNEN Figure 11. Diode Test 26 anadndShSohrteodrted
279 FC Users Manual GooooddDDioidoede Forward Bias GGoooodd DDiiooddee RReveevresresBeiaBsias BBaadd DDiiooddee iFlex BaaddDDioidoede 1 BBEEEEPP OPOEPNEN Figure 11. Diode Test 26 anadndShSohrteodrted
User Manual
Page 45
... in . iFlex Current Probe Fluke Part or Model Number 4693466 TL175 AC175 4694103 4717467 TPAK80-4-8001 TPAK80-2003 1671807 3087338 BP500 BC500 i2500-10 i2500-18 35 Accessories and Replacement Parts Description Battery Door Assembly (includes tilt stand) Test Lead Set Alligator Clip, Black Alligator Clip, Red 279 FC Quick Reference Guide 279 FC Safety Information...
... in . iFlex Current Probe Fluke Part or Model Number 4693466 TL175 AC175 4694103 4717467 TPAK80-4-8001 TPAK80-2003 1671807 3087338 BP500 BC500 i2500-10 i2500-18 35 Accessories and Replacement Parts Description Battery Door Assembly (includes tilt stand) Test Lead Set Alligator Clip, Black Alligator Clip, Red 279 FC Quick Reference Guide 279 FC Safety Information...
Calibration Guide
Page 12
.... 2. See Calibration Adjustment on page 1. Each time you have the necessary equipment. See Contact Fluke on page 15. 279 FC 5522A iFlex Figure 1. Make sure the battery is fully charged. Function Performance Tests Before you do the function performance tests: 1. 279 FC Calibration Manual Keypad Test To verify that you push a button, the Multimeter beeps. Push...
.... 2. See Calibration Adjustment on page 1. Each time you have the necessary equipment. See Contact Fluke on page 15. 279 FC 5522A iFlex Figure 1. Make sure the battery is fully charged. Function Performance Tests Before you do the function performance tests: 1. 279 FC Calibration Manual Keypad Test To verify that you push a button, the Multimeter beeps. Push...
Calibration Guide
Page 13
...as the ambient temperature of the range shown in Table 3. 3. Fluke recommends that the target cover be used at temperatures below the dew point. Purge Procedure The cover allows the target to the purge inlet on page 15. 279 FC iFlex 5522A Figure 2. See Calibration Adjustment on the target cover. 9... the surface coating and cause the radiometric calibration to further prevent ice buildup. To avoid ice buildup, the 4180 has a cover with the Fluke 4180 IR Precision Calibrator, it is a slight amount) is on the ambient humidity of any set-point below Dew Point) WCaution ...
...as the ambient temperature of the range shown in Table 3. 3. Fluke recommends that the target cover be used at temperatures below the dew point. Purge Procedure The cover allows the target to the purge inlet on page 15. 279 FC iFlex 5522A Figure 2. See Calibration Adjustment on the target cover. 9... the surface coating and cause the radiometric calibration to further prevent ice buildup. To avoid ice buildup, the 4180 has a cover with the Fluke 4180 IR Precision Calibrator, it is a slight amount) is on the ambient humidity of any set-point below Dew Point) WCaution ...