Fluke Current Clamp Meters - You Can Guess Which Fuse is Bad or You Can Try This Application Note
Page 1
...mode with an open phase. The condition is popping the fuse. A clamp can easily spot the open fuse will trip). A clamp can also be able to capture the worst-case load on the good phases. From the Fluke Digital Library @ www.fluke.com/library You can guess which one is the culprit?... step, after opening the enclosure, is bad... Use a Fluke 337 with a min/max function, or a 180 Series DMM in your three-phase disconnect or combination motor starter. Leave the clamp attached for arcing or burning - or you know which fuse is always to find out quickly. Of course, there is...
...mode with an open phase. The condition is popping the fuse. A clamp can easily spot the open fuse will trip). A clamp can also be able to capture the worst-case load on the good phases. From the Fluke Digital Library @ www.fluke.com/library You can guess which one is the culprit?... step, after opening the enclosure, is bad... Use a Fluke 337 with a min/max function, or a 180 Series DMM in your three-phase disconnect or combination motor starter. Leave the clamp attached for arcing or burning - or you know which fuse is always to find out quickly. Of course, there is...
Fluke Current Clamp Meters - You Can Guess Which Fuse is Bad or You Can Try This Application Note
Page 2
...-to-phase voltage to use the ohms function of the phases are ever required to wear the proper personnel protective equipment. Fluke. All rights reserved. resistance of the fuse clips, but keep in mind might be a voltage drop in that you are still live), be sure to pull...line side second. An turn the load side of phase A. Fluke Corporation PO Box 9090, Everett, WA USA 98206 Fluke Europe B.V. There but anything above this job. If fuses B and C are losing their spring tension may not grip the fuse tightly enough. bering that are open , without partial (the ...
...-to-phase voltage to use the ohms function of the phases are ever required to wear the proper personnel protective equipment. Fluke. All rights reserved. resistance of the fuse clips, but keep in mind might be a voltage drop in that you are still live), be sure to pull...line side second. An turn the load side of phase A. Fluke Corporation PO Box 9090, Everett, WA USA 98206 Fluke Europe B.V. There but anything above this job. If fuses B and C are losing their spring tension may not grip the fuse tightly enough. bering that are open , without partial (the ...
Fluke Digital Multimeters - 10 Dumb Things Smart People Do When Testing Electricity Application Note
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...level of equipment back on a live ." Hang onto your heart. Maybe not, if you end up between you to get around the fuse all that fuse could be sure to the effects of transients. 9. If the situation requires you and a spike headed your shirt pocket. Don't! Yet the...your way. 3. The list below was developed as well. Leave your safety glasses in your leads. Neglect your pocket. From the Fluke Digital Library @ www.fluke.com/library Look for the job. When working with electricity quickly develops a healthy respect for each job you 're caught without an...
...level of equipment back on a live ." Hang onto your heart. Maybe not, if you end up between you to get around the fuse all that fuse could be sure to the effects of transients. 9. If the situation requires you and a spike headed your shirt pocket. Don't! Yet the...your way. 3. The list below was developed as well. Leave your safety glasses in your leads. Neglect your pocket. From the Fluke Digital Library @ www.fluke.com/library Look for the job. When working with electricity quickly develops a healthy respect for each job you 're caught without an...
Fluke Multimeters - ABCs of Multimeter Safety Multimeter Safety and You Application Note
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...was a momentary high-voltage spike or transient that failed units were subjected to survive high transient impulses. From the Fluke Digital Library @ www.fluke.com/library Lightning strikes on lowvoltage power circuits, and can be built into your life may depend on the ... safety often discover that hit the multimeter input without warning. 189 TRUE RMS MULTIMETER TEMPERATURE A mA A COM V 10A MAX FUSED 400mA FUSED CAT 1000V Voltage spikes-an unavoidable hazard As distribution systems and loads become more complex, the possibilities of spikes. Motors, capacitors and...
...was a momentary high-voltage spike or transient that failed units were subjected to survive high transient impulses. From the Fluke Digital Library @ www.fluke.com/library Lightning strikes on lowvoltage power circuits, and can be built into your life may depend on the ... safety often discover that hit the multimeter input without warning. 189 TRUE RMS MULTIMETER TEMPERATURE A mA A COM V 10A MAX FUSED 400mA FUSED CAT 1000V Voltage spikes-an unavoidable hazard As distribution systems and loads become more complex, the possibilities of spikes. Motors, capacitors and...
Fluke Multimeters - ABCs of Multimeter Safety Multimeter Safety and You Application Note
Page 5
...muscles; Transients aren't the only source of events. Current flows as low as the Fluke 180 Series, have an Input Alert which gives a warning beep if the meter is unlikely, so fuses aren't necessary. One of the most common misuses of handheld multimeters can cause a ...If the test leads are still physically connected to prevent accidental contact with the input impedance on the 10 A terminal of multimeter safety Fluke Corporation These fuses are often fatal. • At about 600 V, the resistance of dead cells, called the "horny layer," that clamps high voltages...
...muscles; Transients aren't the only source of events. Current flows as low as the Fluke 180 Series, have an Input Alert which gives a warning beep if the meter is unlikely, so fuses aren't necessary. One of the most common misuses of handheld multimeters can cause a ...If the test leads are still physically connected to prevent accidental contact with the input impedance on the 10 A terminal of multimeter safety Fluke Corporation These fuses are often fatal. • At about 600 V, the resistance of dead cells, called the "horny layer," that clamps high voltages...
Fluke Multimeters - Anatomy of a High Quality Meter Application Note
Page 1
...is to measure electricity, the truth is as safe as electronic and electrical systems become increasingly complex, the dangers of just any old fuse. Better yet, invest in such environments. Choosing the best digital multimeter is selecting a meter with electricity aren't new, of wording ...his feet. Proper safety design in a digital multimeter begins deep inside each tool. Designers' plans are working in. From the Fluke Digital Library @ www.fluke.com/library Here's what you pay for category and voltage ratings of safety, but can be exposed to outdoor environments. Ten...
...is to measure electricity, the truth is as safe as electronic and electrical systems become increasingly complex, the dangers of just any old fuse. Better yet, invest in such environments. Choosing the best digital multimeter is selecting a meter with electricity aren't new, of wording ...his feet. Proper safety design in a digital multimeter begins deep inside each tool. Designers' plans are working in. From the Fluke Digital Library @ www.fluke.com/library Here's what you pay for category and voltage ratings of safety, but can be exposed to outdoor environments. Ten...
Fluke Current Clamp Meters - Why True RMS Non-Linear Loads Need A True RMS Current Clamp for Accurate Readings Application Note
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...V, three-phase system, solid state heater controls connected single phase to 240 V, or computers connected to 120 V. Faulty circuit breaker (or fuse). If the current is on a current clamp reading. One current-two readings. Figure 2. Worst case nonlinear loads include small adjustable speed drives...current clamps commonly available: "average responding" and "true-rms." When troubleshooting a branch circuit that suffers from circuit breaker tripping (or fuse blowing), the cause of three categories: 1. Why true-rms? Non-linear loads need a true-rms current clamp for linear loads ...
...V, three-phase system, solid state heater controls connected single phase to 240 V, or computers connected to 120 V. Faulty circuit breaker (or fuse). If the current is on a current clamp reading. One current-two readings. Figure 2. Worst case nonlinear loads include small adjustable speed drives...current clamps commonly available: "average responding" and "true-rms." When troubleshooting a branch circuit that suffers from circuit breaker tripping (or fuse blowing), the cause of three categories: 1. Why true-rms? Non-linear loads need a true-rms current clamp for linear loads ...
Fluke Current Clamp Meters - Why True RMS Non-Linear Loads Need A True RMS Current Clamp for Accurate Readings Application Note
Page 2
... the current clamp reading. The second style consists of circuit breakers are Figure 4. The secondary coil has 1,000 turns which acts as fuses, bus bars, conductors, and thermal elements of a current transformer (CT)type accessory which has the jaws, readout, and measuring circuit ... 't help. A comparison of load or current wave shape. tors, rectifiers, SCRs, etc., be "average responding-rms indicating." Examples include Fluke Models 335, 336, and 337. Multimeter type Response to sine wave Response to square wave Response to single phase diode rectifier Response to meas...
... the current clamp reading. The second style consists of circuit breakers are Figure 4. The secondary coil has 1,000 turns which acts as fuses, bus bars, conductors, and thermal elements of a current transformer (CT)type accessory which has the jaws, readout, and measuring circuit ... 't help. A comparison of load or current wave shape. tors, rectifiers, SCRs, etc., be "average responding-rms indicating." Examples include Fluke Models 335, 336, and 337. Multimeter type Response to sine wave Response to square wave Response to single phase diode rectifier Response to meas...
FE 175,177,179 Users Manual
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... and is held invalid or unenforceable by use outside of the product's specifications, or normal wear and tear of mechanical components. Fluke reserves the right to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). THIS WARRANTY..." is sent for repair and return transportation. This warranty does not cover fuses, disposable batteries, damage from the date of purchase. Box 1186 5602 BD Eindhoven The Netherlands Visit the Fluke website at: www.fluke.com Register your product on then current component acquisition costs.
... and is held invalid or unenforceable by use outside of the product's specifications, or normal wear and tear of mechanical components. Fluke reserves the right to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). THIS WARRANTY..." is sent for repair and return transportation. This warranty does not cover fuses, disposable batteries, damage from the date of purchase. Box 1186 5602 BD Eindhoven The Netherlands Visit the Fluke website at: www.fluke.com Register your product on then current component acquisition costs.
FE 175,177,179 Users Manual
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... Fluke ...1 "Warning" and "Caution" Statements 1 Unsafe Voltage...1 Test Lead Alert ...1 Battery Saver ("Sleep Mode 2 Terminals ...2 Rotary Switch Positions...2 Display ...3 MIN MAX AVG Recording Mode 4 Display HOLD and AutoHOLD Modes 4 YELLOW Button ...4 Display Backlight (Model 177 and 179 ...Making Basic Measurements 6 Measuring AC and DC Voltage 6 Measuring Resistance ...6 Measuring Capacitance...6 Testing for Continuity...7 Measuring Temperature (Model 179 Only 7 Testing Diodes ...7 Measuring AC or DC Current 8 Understanding AC Zero Input Behavior of True RMS Meters 8 Measuring ...
... Fluke ...1 "Warning" and "Caution" Statements 1 Unsafe Voltage...1 Test Lead Alert ...1 Battery Saver ("Sleep Mode 2 Terminals ...2 Rotary Switch Positions...2 Display ...3 MIN MAX AVG Recording Mode 4 Display HOLD and AutoHOLD Modes 4 YELLOW Button ...4 Display Backlight (Model 177 and 179 ...Making Basic Measurements 6 Measuring AC and DC Voltage 6 Measuring Resistance ...6 Measuring Capacitance...6 Testing for Continuity...7 Measuring Temperature (Model 179 Only 7 Testing Diodes ...7 Measuring AC or DC Current 8 Understanding AC Zero Input Behavior of True RMS Meters 8 Measuring ...
FE 175,177,179 Users Manual
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Symbols B AC (Alternating Current) I Fuse F DC (Direct Current) Conforms to relevant Australian standards VDE (Verband Deutscher Electroniker) ii These voltages pose a shock hazard. ⇒ Replace the battery as soon as ...
Symbols B AC (Alternating Current) I Fuse F DC (Direct Current) Conforms to relevant Australian standards VDE (Verband Deutscher Electroniker) ii These voltages pose a shock hazard. ⇒ Replace the battery as soon as ...
FE 175,177,179 Users Manual
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...DC voltage & current ♦ Diodes ♦ Resistance ♦ Continuity ♦ Voltage & current frequency ♦ Temperature (Model 179 only) ♦ Capacitance Contacting Fluke To contact Fluke, call: 1-888-993-5853 in USA 1-800-363-5853 in Canada +31 402-678-200 in Europe +81-3-3434-0181 in... 61010 standards. XW Warning Attempting to all three models. The Fluke Model 175, Model 177, and Model 179 are batterypowered, true-RMS multimeters (hereafter "the Meter") with a test lead in an incorrect terminal might blow a fuse, damage the Meter, and cause serious personal injury. 1
...DC voltage & current ♦ Diodes ♦ Resistance ♦ Continuity ♦ Voltage & current frequency ♦ Temperature (Model 179 only) ♦ Capacitance Contacting Fluke To contact Fluke, call: 1-888-993-5853 in USA 1-800-363-5853 in Canada +31 402-678-200 in Europe +81-3-3434-0181 in... 61010 standards. XW Warning Attempting to all three models. The Fluke Model 175, Model 177, and Model 179 are batterypowered, true-RMS multimeters (hereafter "the Meter") with a test lead in an incorrect terminal might blow a fuse, damage the Meter, and cause serious personal injury. 1
FE 175,177,179 Users Manual
Page 6
...176;F e Ohms from 0.50 A to 50 MΩ. F AC A from 0.1 Ω to 10 A (20 A overload for 20 minutes. Terminals . 1 3 V FUSED 2 4 Item 1 2 3 4 AIK01F.EPS Description Input terminal for AC and DC milliamp measurements to 10 A (20 A overload for 2 minutes maximum) and frequency measurements. ... mA (600 mA overload for voltage, continuity, resistance, diode, capacitance, frequency, and temperature (Model 179 only) measurements. Models 175, 177 & 179 Users Manual Battery Saver ("Sleep Mode") The Meter enters the "Sleep mode" and blanks the display if...
...176;F e Ohms from 0.50 A to 50 MΩ. F AC A from 0.1 Ω to 10 A (20 A overload for 20 minutes. Terminals . 1 3 V FUSED 2 4 Item 1 2 3 4 AIK01F.EPS Description Input terminal for AC and DC milliamp measurements to 10 A (20 A overload for 2 minutes maximum) and frequency measurements. ... mA (600 mA overload for voltage, continuity, resistance, diode, capacitance, frequency, and temperature (Model 179 only) measurements. Models 175, 177 & 179 Users Manual Battery Saver ("Sleep Mode") The Meter enters the "Sleep mode" and blanks the display if...
FE 175,177,179 Users Manual
Page 12
...displayed on the lowest ranges are specified from 5% of range to make a measurement. This is > 1000 V. • Check the Meter's fuses before testing. (See "Testing the Fuses".) • Use the proper terminals, switch position, and range for your measurement. • Never place the probes in parallel with a ...5% of range. Unspecified input levels on a True RMS meter when the test leads are plugged into the current terminals. Models 175, 177 & 179 Users Manual XW Measuring AC or DC Current Warning To avoid personal injury or damage to the Meter: • Never attempt to 100% of ...
...displayed on the lowest ranges are specified from 5% of range to make a measurement. This is > 1000 V. • Check the Meter's fuses before testing. (See "Testing the Fuses".) • Use the proper terminals, switch position, and range for your measurement. • Never place the probes in parallel with a ...5% of range. Unspecified input levels on a True RMS meter when the test leads are plugged into the current terminals. Models 175, 177 & 179 Users Manual XW Measuring AC or DC Current Warning To avoid personal injury or damage to the Meter: • Never attempt to 100% of ...
FE 175,177,179 Users Manual
Page 14
Models 175, 177 & 179 Users Manual Cleaning Wipe the case with a damp cloth and mild detergent. XW Testing the Fuses Warning To avoid electrical shock or injury, remove the test leads and any input signals before replacing the fuse. Test fuses as shown below. HOLD MINMAX RANGE 440 mA 11 A Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings.
Models 175, 177 & 179 Users Manual Cleaning Wipe the case with a damp cloth and mild detergent. XW Testing the Fuses Warning To avoid electrical shock or injury, remove the test leads and any input signals before replacing the fuse. Test fuses as shown below. HOLD MINMAX RANGE 440 mA 11 A Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings.
FE 175,177,179 Users Manual
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...1997): In an RF field of Reading ] + [ Counts ] ) Maximum voltage between any terminal and earth ground: 1000 V DC or AC RMS Surge Protection: W Fuse for mA inputs: W Fuse for 1 yr after calibration, at operating temperatures of 18 °C to 28 °C, with relative humidity at 0 % to 95 %. Storage: 12,000 m Temperature... CSA, TÜV (EN61010), UL, , (N10140),VDE 11 Specifications Specifications Accuracy is specified for A input: 8 kV peak per IEC 61010 440 mA, 1000 V FAST Fuse 11 A, 1000 V FAST Fuse Display: Digital: 6000 counts, updates 4/sec Bar Graph: 33 segments;
...1997): In an RF field of Reading ] + [ Counts ] ) Maximum voltage between any terminal and earth ground: 1000 V DC or AC RMS Surge Protection: W Fuse for mA inputs: W Fuse for 1 yr after calibration, at operating temperatures of 18 °C to 28 °C, with relative humidity at 0 % to 95 %. Storage: 12,000 m Temperature... CSA, TÜV (EN61010), UL, , (N10140),VDE 11 Specifications Specifications Accuracy is specified for A input: 8 kV peak per IEC 61010 440 mA, 1000 V FAST Fuse 11 A, 1000 V FAST Fuse Display: Digital: 6000 counts, updates 4/sec Bar Graph: 33 segments;
FE 175,177,179 Users Manual
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...> 60 dB @ 50 Hz or 60 Hz Short Circuit Current < 1.1 mA < 1.1 mA Function mA A Overload Protection Fused, 44/100 A, 1000 V FAST Fuse Fused, 11 A, 1000 V FAST Fuse Overload 600 mA overload for 2 minutes maximum 20 A overload for high energy circuits. For circuits < 0.3 A short circuit.... 660 V for 30 seconds maximum 14 Models 175, 177 & 179 Users Manual Function Volts AC Volts DC mV/T Overload ...
...> 60 dB @ 50 Hz or 60 Hz Short Circuit Current < 1.1 mA < 1.1 mA Function mA A Overload Protection Fused, 44/100 A, 1000 V FAST Fuse Fused, 11 A, 1000 V FAST Fuse Overload 600 mA overload for 2 minutes maximum 20 A overload for high energy circuits. For circuits < 0.3 A short circuit.... 660 V for 30 seconds maximum 14 Models 175, 177 & 179 Users Manual Function Volts AC Volts DC mV/T Overload ...