Fluke 381 Clamp Meter Product Datasheet
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...to 30 ft away from a clamp meter, and then lets you would expect from the point of measurement for added flexibility without interference with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you remove the display ...for use in noisy electrical environments while providing stable readings 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with measurement accuracy • iFlex™ ...
...to 30 ft away from a clamp meter, and then lets you would expect from the point of measurement for added flexibility without interference with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you remove the display ...for use in noisy electrical environments while providing stable readings 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with measurement accuracy • iFlex™ ...
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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All rights reserved. All product names are subject to change without notice. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. Specifications are trademarks of their respective companies. Printed in China.
All rights reserved. All product names are subject to change without notice. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. Specifications are trademarks of their respective companies. Printed in China.
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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... and detachable iFlex (Flexible Current Probe). This lets the display be removed from the Meter body and read in difficult-measurement situations such as a hazardous environments, or very tight spaces. The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. Introduction XWWarning Read "Safety Information" before you use the...
... and detachable iFlex (Flexible Current Probe). This lets the display be removed from the Meter body and read in difficult-measurement situations such as a hazardous environments, or very tight spaces. The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that traditional jawed meters cannot measure. Introduction XWWarning Read "Safety Information" before you use the...
Fluke 381 Users Manual
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... that could cause Meter damage, equipment under test damage, or permanent loss of data. Look for cracks or missing plastic. A Caution identifies conditions and procedures that pose hazard(s) to the user; 381 Users Manual • Singapore: +65-738-5655 • Anywhere in the world: +1-425-446-5500 Or, visit Fluke's website at the...
... that could cause Meter damage, equipment under test damage, or permanent loss of data. Look for cracks or missing plastic. A Caution identifies conditions and procedures that pose hazard(s) to the user; 381 Users Manual • Singapore: +65-738-5655 • Anywhere in the world: +1-425-446-5500 Or, visit Fluke's website at the...
Fluke 381 Users Manual
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...behind the finger guards on the probes. • Connect the common test lead before using the Meter. • Do not use the Meter if it operates incorrectly. Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. See Table 5. ...voltage, as the low battery indicator (B or Q) appears. • When servicing the Meter, use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. When in doubt, have the Meter serviced. • Do not use only specified replacement parts. Replace damaged test leads before...
...behind the finger guards on the probes. • Connect the common test lead before using the Meter. • Do not use the Meter if it operates incorrectly. Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. See Table 5. ...voltage, as the low battery indicator (B or Q) appears. • When servicing the Meter, use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. When in doubt, have the Meter serviced. • Do not use only specified replacement parts. Replace damaged test leads before...
Fluke 381 Users Manual
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...continuity, or capacitance. • Do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A with the Meter Jaw. • Never operate the Meter with the back cover removed or the case open. • Do not measure ac current in circuits carrying more than 1000 V... Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • When measuring, keep fingers behind the Tactile Barrier. 381 Users Manual • Use extreme caution when working around or remove from HAZARDOUS LIVE conductors. • Take special care during fitting and removal ...
...continuity, or capacitance. • Do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A with the Meter Jaw. • Never operate the Meter with the back cover removed or the case open. • Do not measure ac current in circuits carrying more than 1000 V... Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • When measuring, keep fingers behind the Tactile Barrier. 381 Users Manual • Use extreme caution when working around or remove from HAZARDOUS LIVE conductors. • Take special care during fitting and removal ...
Fluke 381 Users Manual
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Important information. See Manual. ) Conforms to Fluke's website for recycling information. 5 Low battery when shown. 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. W Risk of this product as unsorted municipal waste. B Battery. T Double insulated ~ Do not dispose of Danger. X Hazardous voltage P Conforms to European Union directives. Remote Display True-rms Clamp Meter Safety Information Table 1.
Important information. See Manual. ) Conforms to Fluke's website for recycling information. 5 Low battery when shown. 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. W Risk of this product as unsorted municipal waste. B Battery. T Double insulated ~ Do not dispose of Danger. X Hazardous voltage P Conforms to European Union directives. Remote Display True-rms Clamp Meter Safety Information Table 1.
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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This device can be determined by turning the equipment 7 However, there is marketed for operation by the general public. The Meter was tested and found to comply with the limits for a Class B digital device, pursuant to , personal computers, calculators... reception, which can not cause interference. 2. 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 Fluke Corporation could void the user's authority to provide reasonable protection against harmful interference...
This device can be determined by turning the equipment 7 However, there is marketed for operation by the general public. The Meter was tested and found to comply with the limits for a Class B digital device, pursuant to , personal computers, calculators... reception, which can not cause interference. 2. 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 Fluke Corporation could void the user's authority to provide reasonable protection against harmful interference...
Fluke 381 Users Manual
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... display module. The display module is synchronized with a Meter base but, only one or more of the Meter is set to OFF. The wireless radio signal does not hinder Meter measurements. Features The following sections explain the Meter features in a different location than the Meter base. 381 Users Manual off and on, the user is encouraged...
... display module. The display module is synchronized with a Meter base but, only one or more of the Meter is set to OFF. The wireless radio signal does not hinder Meter measurements. Features The following sections explain the Meter features in a different location than the Meter base. 381 Users Manual off and on, the user is encouraged...
Fluke 381 Users Manual
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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. Remote Display ghn10.eps 9 To detach the display from each other before the radio signal connection is a radio connection when shows in the display. 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. Remote Display ghn10.eps 9 To detach the display from each other before the radio signal connection is a radio connection when shows in the display. This distance can be a maximum of 10 meters from the Meter base, see Figure 1. 1 2 Figure 1.
Fluke 381 Users Manual
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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 high-voltage LED () on the Meter base illuminates to -reach areas and works well with large conductors. The high-performance AC Flexible... Current Probe utilizes the Rogowski principle and is used for 20 minutes. Auto Power Off The Meter powers off , turn the Rotary Function Switch OFF and then back on the Meter. 10 For more information about the Flexible Current Probe, see "Current Measurement (Flexible Current Probe...
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 high-voltage LED () on the Meter base illuminates to -reach areas and works well with large conductors. The high-performance AC Flexible... Current Probe utilizes the Rogowski principle and is used for 20 minutes. Auto Power Off The Meter powers off , turn the Rotary Function Switch OFF and then back on the Meter. 10 For more information about the Flexible Current Probe, see "Current Measurement (Flexible Current Probe...
Fluke 381 Users Manual
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...; to enter Min Max Avg mode, push again to toggle between min and max readings. The Backlight automatically goes off . Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. Display Hold To capture and hold the present display reading, push while taking a reading.
...; to enter Min Max Avg mode, push again to toggle between min and max readings. The Backlight automatically goes off . Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. Display Hold To capture and hold the present display reading, push while taking a reading.
Fluke 381 Users Manual
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... Q. When Q is first powered on the Meter base will affect the readings. When B appears, the batteries in the display. 12 The Inrush function takes approximately 400 samples over a 100 ms period and calculates the starting current envelope. Measurements are one example of such an event. 381 Users Manual Inrush Inrush Current is...
... Q. When Q is first powered on the Meter base will affect the readings. When B appears, the batteries in the display. 12 The Inrush function takes approximately 400 samples over a 100 ms period and calculates the starting current envelope. Measurements are one example of such an event. 381 Users Manual Inrush Inrush Current is...
Fluke 381 Users Manual
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... there is no button or switch interaction and then shuts off . Min Max button: when first pushed, the Meter shows maximum input. With subsequent pushes, the minimum and the average inputs are shown. Meter Features Description Current sensing Jaw Tactile Barrier Rotary Function Switch, see Table 3. The Backlight stays on and off...
... there is no button or switch interaction and then shuts off . Min Max button: when first pushed, the Meter shows maximum input. With subsequent pushes, the minimum and the average inputs are shown. Meter Features Description Current sensing Jaw Tactile Barrier Rotary Function Switch, see Table 3. The Backlight stays on and off...
Fluke 381 Users Manual
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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. Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. 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. Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. Push a second time to meet accuracy specifications, the conductor must be aligned with these marks.
Fluke 381 Users Manual
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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. DC current AC current and frequency measurement using the Flexible Current Probe. Push Z to shift to frequency. 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. DC current AC current and frequency measurement using the Flexible Current Probe. Push Z to shift to frequency. Push Z to shift to frequency. 16
Fluke 381 Users Manual
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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. 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.