Fluke 381 Clamp Meter Product Datasheet
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...in noisy electrical environments while providing stable readings 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you would expect from the ...probe expands the measurement range to 2500 A ac while providing increased display flexibility, ability to require two people; clamp the Fluke 381 around a conductor, remove the display and walk across the room to operate controls or remove protective equipment, all while watching real-time...
...in noisy electrical environments while providing stable readings 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you would expect from the ...probe expands the measurement range to 2500 A ac while providing increased display flexibility, ability to require two people; clamp the Fluke 381 around a conductor, remove the display and walk across the room to operate controls or remove protective equipment, all while watching real-time...
Fluke 381 Clamp Meter Product Datasheet
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...to change switch positions while taking a measurement • Three-year warranty • Soft carrying case Ordering information 381 Remote Display True-rms Clamp Meter with iFlex™ Specifications Fluke 381 AC current via jaw AC current via iFlex™ DC current AC voltage DC voltage Resistance Frequency True-rms ... digits 2 % ± 5 digits 1.5 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 0.5 % ± 5 digits Included Accessory 750 MCM or 2-500 MCM CAT III 1000V, CAT IV 600V 2 Fluke Corporation 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™
...to change switch positions while taking a measurement • Three-year warranty • Soft carrying case Ordering information 381 Remote Display True-rms Clamp Meter with iFlex™ Specifications Fluke 381 AC current via jaw AC current via iFlex™ DC current AC voltage DC voltage Resistance Frequency True-rms ... digits 2 % ± 5 digits 1.5 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 0.5 % ± 5 digits Included Accessory 750 MCM or 2-500 MCM CAT III 1000V, CAT IV 600V 2 Fluke Corporation 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™
Fluke 381 Users Manual
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Printed in China. All product names are subject to change without notice. Specifications are trademarks of their respective companies. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. All rights reserved.
Printed in China. All product names are subject to change without notice. Specifications are trademarks of their respective companies. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. All rights reserved.
Fluke 381 Users Manual
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381 Users Manual Display...17 Measurements...19 AC and DC Current (Jaw 19 AC Current (Flexible Current Probe 22 AC and DC Voltage 23 Resistance/Continuity 26 Inrush Current Measurement (Jaw and Flexible Current Probe 26 Frequency Measurement (Jaw and Flexible Current Probe 28 Maintenance...28 Cleaning the Meter and Flexible Current Probe 28 Battery Replacement 29 User-Replaceable Parts 31 Specifications ...32 Electrical Specifications 32 Mechanical Specifications 37 Environmental Specifications 38 ii
381 Users Manual Display...17 Measurements...19 AC and DC Current (Jaw 19 AC Current (Flexible Current Probe 22 AC and DC Voltage 23 Resistance/Continuity 26 Inrush Current Measurement (Jaw and Flexible Current Probe 26 Frequency Measurement (Jaw and Flexible Current Probe 28 Maintenance...28 Cleaning the Meter and Flexible Current Probe 28 Battery Replacement 29 User-Replaceable Parts 31 Specifications ...32 Electrical Specifications 32 Mechanical Specifications 37 Environmental Specifications 38 ii
Fluke 381 Users Manual
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...-0181 1 How to 2500 A ac) and larger cables that has a remote-display module and detachable iFlex (Flexible Current Probe). The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. This lets the display be removed from the measurement source. Introduction XWWarning Read "Safety Information" before you use the...
...-0181 1 How to 2500 A ac) and larger cables that has a remote-display module and detachable iFlex (Flexible Current Probe). The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. This lets the display be removed from the measurement source. Introduction XWWarning Read "Safety Information" before you use the...
Fluke 381 Users Manual
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...prevent possible electrical shock or personal injury, follow these guidelines: • Use the Meter only as specified in this manual are explained in the world: +1-425-446-5500 Or, visit Fluke's website at the insulation around the connectors. • Never measure ac current while...register your product, visit http://register.fluke.com. Safety Information A Warning identifies conditions and actions that could cause Meter damage, equipment under test damage, or permanent loss of data. Look for cracks or missing plastic. Carefully look at www.fluke.com. 381 Users Manual • Singapore: +...
...prevent possible electrical shock or personal injury, follow these guidelines: • Use the Meter only as specified in this manual are explained in the world: +1-425-446-5500 Or, visit Fluke's website at the insulation around the connectors. • Never measure ac current while...register your product, visit http://register.fluke.com. Safety Information A Warning identifies conditions and actions that could cause Meter damage, equipment under test damage, or permanent loss of data. Look for cracks or missing plastic. Carefully look at www.fluke.com. 381 Users Manual • Singapore: +...
Fluke 381 Users Manual
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... careful around explosive gas, vapor or in damp or wet environments. • Use only type AAA batteries, properly installed in the Meter case, to power the Meter. • To avoid false readings that can lead to electrical shock and injury, replace the batteries as soon as marked on the... connecting the live test lead first. • Do not work alone so assistance can be rendered in doubt, have the Meter serviced. • Do not use the Meter if it operates incorrectly. When disconnecting test leads, disconnect the live test lead. Protection can be compromised. Such voltages pose ...
... careful around explosive gas, vapor or in damp or wet environments. • Use only type AAA batteries, properly installed in the Meter case, to power the Meter. • To avoid false readings that can lead to electrical shock and injury, replace the batteries as soon as marked on the... connecting the live test lead first. • Do not work alone so assistance can be rendered in doubt, have the Meter serviced. • Do not use the Meter if it operates incorrectly. When disconnecting test leads, disconnect the live test lead. Protection can be compromised. Such voltages pose ...
Fluke 381 Users Manual
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Contact with the Flexible Current Probe. • Do not apply the Flexible Current Probe around bare conductors or bus bars. 381 Users Manual • Use extreme caution when working around or remove from HAZARDOUS LIVE conductors. • Take special care during fitting ...and removal of the Flexible Current Probe. WCaution To avoid possible damage to the Meter or to equipment under test or wear suitable protective clothing. energize the installation under test: • Use the proper jacks, function, and ...
Contact with the Flexible Current Probe. • Do not apply the Flexible Current Probe around bare conductors or bus bars. 381 Users Manual • Use extreme caution when working around or remove from HAZARDOUS LIVE conductors. • Take special care during fitting ...and removal of the Flexible Current Probe. WCaution To avoid possible damage to the Meter or to equipment under test or wear suitable protective clothing. energize the installation under test: • Use the proper jacks, function, and ...
Fluke 381 Users Manual
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B Battery. W Risk of this product as unsorted municipal waste. Important information. Low battery when shown. T Double insulated ~ Do not dispose of Danger. See Manual. ) Conforms to Fluke's website for recycling information. 5 Go to relevant North American Safety Standards. Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. Remote Display True-rms Clamp Meter Safety Information Table 1. X Hazardous voltage P Conforms to European Union directives.
B Battery. W Risk of this product as unsorted municipal waste. Important information. Low battery when shown. T Double insulated ~ Do not dispose of Danger. See Manual. ) Conforms to Fluke's website for recycling information. 5 Go to relevant North American Safety Standards. Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. Remote Display True-rms Clamp Meter Safety Information Table 1. X Hazardous voltage P Conforms to European Union directives.
Fluke 381 Users Manual
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...supply level, such as distribution panels, feeders and short branch circuits, and lighting systems in fixed-equipment installations, such as an electricity Meter or an overhead or underground utility service. ® Examined and licensed by TÜV Product Services. ; Do not apply to relevant ...test probe, test probe accessory, current clamp accessory, and the Meter is permitted. CAT IV IEC Measurement Category IV CAT IV equipment has protection against transients in equipment in large buildings. 381 Users Manual Symbol Meaning Symbol Meaning CAT III IEC Measurement Category...
...supply level, such as distribution panels, feeders and short branch circuits, and lighting systems in fixed-equipment installations, such as an electricity Meter or an overhead or underground utility service. ® Examined and licensed by TÜV Product Services. ; Do not apply to relevant ...test probe, test probe accessory, current clamp accessory, and the Meter is permitted. CAT IV IEC Measurement Category IV CAT IV equipment has protection against transients in equipment in large buildings. 381 Users Manual Symbol Meaning Symbol Meaning CAT III IEC Measurement Category...
Fluke 381 Users Manual
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...to the two conditions that interference will not occur in a residential installation. This device can cause harmful interference to radio communications. The Meter was tested and found to comply with Part 15 of the FCC Rules. This device complies with the limits for a Class B...and can radiate radio frequency energy and, if not installed and used in commercial, business and industrial environments. Remote Display True-rms Clamp Meter Radio Frequency Data Radio Frequency Data Note Changes or modifications to the wireless 2.4 GHz radio not expressly approved by turning the equipment 7...
...to the two conditions that interference will not occur in a residential installation. This device can cause harmful interference to radio communications. The Meter was tested and found to comply with Part 15 of the FCC Rules. This device complies with the limits for a Class B...and can radiate radio frequency energy and, if not installed and used in commercial, business and industrial environments. Remote Display True-rms Clamp Meter Radio Frequency Data Radio Frequency Data Note Changes or modifications to the wireless 2.4 GHz radio not expressly approved by turning the equipment 7...
Fluke 381 Users Manual
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...The term "IC:" before the radio certification number only signifies the device meets Industry's Canada technical specifications. Although there is control of some Meter functions (Hold, MIN MAX AVG, and Backlight), complete remote control of the measures that the radio signal is off when the display module... is possible for help. 381 Users Manual off and on . To make sure that follow: • Reorient or relocate the receiving antenna. • Increase the separation ...
...The term "IC:" before the radio certification number only signifies the device meets Industry's Canada technical specifications. Although there is control of some Meter functions (Hold, MIN MAX AVG, and Backlight), complete remote control of the measures that the radio signal is off when the display module... is possible for help. 381 Users Manual off and on . To make sure that follow: • Reorient or relocate the receiving antenna. • Increase the separation ...
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Features The Meter base and display can change with the obstacles between the Meter base and display. To detach the display from each other before the radio signal connection is a radio connection when shows in the display. Remote Display ghn10.eps 9 This distance can be a maximum of 10 meters from the Meter base, see Figure 1. 1 2 Figure 1. There is broken.
Remote Display True-rms Clamp Meter Features The Meter base and display can change with the obstacles between the Meter base and display. To detach the display from each other before the radio signal connection is a radio connection when shows in the display. Remote Display ghn10.eps 9 This distance can be a maximum of 10 meters from the Meter base, see Figure 1. 1 2 Figure 1. There is broken.
Fluke 381 Users Manual
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... live hazardous conductors. For more information about the Flexible Current Probe, see "Current Measurement (Flexible Current Probe)". Auto Power Off The Meter powers off , turn the Rotary Function Switch OFF and then back on again. The high-performance AC Flexible Current Probe utilizes the ...The flexible and lightweight measuring head allows quick and easy installation in hard-to tell you a hazardous voltage is at the Meter input. 381 Users Manual Hazardous Voltage Indicator When the Meter senses a voltage ±30 V or a voltage overload (OL), Y is shown on the display and the red ...
... live hazardous conductors. For more information about the Flexible Current Probe, see "Current Measurement (Flexible Current Probe)". Auto Power Off The Meter powers off , turn the Rotary Function Switch OFF and then back on again. The high-performance AC Flexible Current Probe utilizes the ...The flexible and lightweight measuring head allows quick and easy installation in hard-to tell you a hazardous voltage is at the Meter input. 381 Users Manual Hazardous Voltage Indicator When the Meter senses a voltage ±30 V or a voltage overload (OL), Y is shown on the display and the red ...
Fluke 381 Users Manual
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..., push while taking a reading. Push a third time to toggle between min and max readings. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. DC Current Zero Push to the live reading. Push again to return to remove any dc offset that...
..., push while taking a reading. Push a third time to toggle between min and max readings. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. DC Current Zero Push to the live reading. Push again to return to remove any dc offset that...
Fluke 381 Users Manual
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... of such an event. Low Battery Indicators The Meter uses two low battery symbols: Band Q. The Inrush function takes approximately 400 samples over a 100 ms period and calculates the starting current envelope. Low batteries on . 381 Users Manual Inrush Inrush Current is surge current that... occurs when an electrical device is displayed, the batteries for the removable display should be changed . The Meter can capture this surge current reading. When Q is first...
... of such an event. Low Battery Indicators The Meter uses two low battery symbols: Band Q. The Inrush function takes approximately 400 samples over a 100 ms period and calculates the starting current envelope. Low batteries on . 381 Users Manual Inrush Inrush Current is surge current that... occurs when an electrical device is displayed, the batteries for the removable display should be changed . The Meter can capture this surge current reading. When Q is first...
Fluke 381 Users Manual
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... releases the reading when pushed a second time. With subsequent pushes, the minimum and the average inputs are shown. Min Max button: when first pushed, the Meter shows maximum input. The Backlight stays on and off . This function works in current, voltage, and frequency modes. 14 Hold L for 2 minutes when there is...
... releases the reading when pushed a second time. With subsequent pushes, the minimum and the average inputs are shown. Min Max button: when first pushed, the Meter shows maximum input. The Backlight stays on and off . This function works in current, voltage, and frequency modes. 14 Hold L for 2 minutes when there is...
Fluke 381 Users Manual
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Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Push a second time to meet accuracy specifications, the conductor must be aligned with these marks. Inrush button: push to the yellow items on the Rotary Function Switch. Remote Display True-rms Clamp Meter Features Item J K L M N O P Description Zero/Shift button: removes dc offset from dc current measurements. Also used to shift and corresponds to enter inrush mode.
Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Push a second time to meet accuracy specifications, the conductor must be aligned with these marks. Inrush button: push to the yellow items on the Rotary Function Switch. Remote Display True-rms Clamp Meter Features Item J K L M N O P Description Zero/Shift button: removes dc offset from dc current measurements. Also used to shift and corresponds to enter inrush mode.
Fluke 381 Users Manual
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Push Z to shift to frequency. DC current AC current and frequency measurement using the Flexible Current Probe. Push Z to shift to frequency. 16 Rotary Function Switch Meter is powered down AC voltage DC voltage Function Resistance and continuity AC current. 381 Users Manual Switch Position OFF K L K A C D Table 3.
Push Z to shift to frequency. DC current AC current and frequency measurement using the Flexible Current Probe. Push Z to shift to frequency. 16 Rotary Function Switch Meter is powered down AC voltage DC voltage Function Resistance and continuity AC current. 381 Users Manual Switch Position OFF K L K A C D Table 3.
Fluke 381 Users Manual
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Display 4 5 6 7 ghn01.eps 17 See Figure 3 and Table 4. 15 14 13 12 11 10 1 2 3 9 8 Figure 3. Remote Display True-rms Clamp Meter Features Display To view all segments on the display at once, push H while turning the Meter on.
Display 4 5 6 7 ghn01.eps 17 See Figure 3 and Table 4. 15 14 13 12 11 10 1 2 3 9 8 Figure 3. Remote Display True-rms Clamp Meter Features Display To view all segments on the display at once, push H while turning the Meter on.