Fluke 381 Clamp Meter Product Datasheet
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... to operate controls or remove protective equipment, all while watching real-time 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 point of the art signal processing...
... to operate controls or remove protective equipment, all while watching real-time 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 point of the art signal processing...
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 Continuity... 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 Continuity... 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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Specifications are trademarks of their respective companies. All product names are subject to change without notice. All rights reserved. Printed in China. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation.
Specifications are trademarks of their respective companies. All product names are subject to change without notice. All rights reserved. Printed in China. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation.
Fluke 381 Users Manual
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... "Safety Information" before you use the Meter. 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 Remote Display can be easily read away from the measurement source. The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that...
... "Safety Information" before you use the Meter. 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 Remote Display can be easily read away from the measurement source. The Fluke 381 is a handheld, battery-operated Clamp Meter (the Meter) that...
Fluke 381 Users Manual
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... apply more than the rated voltage, as the low battery indicator (B or Q) appears. • When servicing the Meter, 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. Protection can be compromised. When disconnecting test leads...
... apply more than the rated voltage, as the low battery indicator (B or Q) appears. • When servicing the Meter, 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. Protection can be compromised. When disconnecting test leads...
Fluke 381 Users Manual
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Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. See Manual. ) Conforms to Fluke's website for recycling information. 5 Low battery when shown. T Double insulated ~ Do not dispose of Danger. B Battery. Go to relevant North American Safety Standards. Important information. W Risk of this product as unsorted municipal waste. Remote Display True-rms Clamp Meter Safety Information Table 1. X Hazardous voltage P Conforms to European Union directives.
Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. See Manual. ) Conforms to Fluke's website for recycling information. 5 Low battery when shown. T Double insulated ~ Do not dispose of Danger. B Battery. Go to relevant North American Safety Standards. Important information. W Risk of this product as unsorted municipal waste. 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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...for a Class B digital device, pursuant to Part 15 of the FCC Rules. This device complies with the instructions, can be determined by Fluke Corporation could void the user's authority to operate the equipment. Class B digital device: A digital device that follow: 1. The Meter was ...equipment generates, uses, 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 ...
...for a Class B digital device, pursuant to Part 15 of the FCC Rules. This device complies with the instructions, can be determined by Fluke Corporation could void the user's authority to operate the equipment. Class B digital device: A digital device that follow: 1. The Meter was ...equipment generates, uses, 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 ...
Fluke 381 Users Manual
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381 Users Manual off and on, the user is encouraged to try to correct the interference by one display module can be on . Usually, the radio signal is off , remove the batteries from the Meter base and display module. To make sure that follow: • Reorient or relocate the receiving ... only one or more of the Meter is docked to OFF. Remote Display The Meter uses low-power 802.15.4 wireless technology to a Meter base at the same time. 8 Different display modules can be synchronized to let the display module operate in detail. The term "IC:" before the radio certification...
381 Users Manual off and on, the user is encouraged to try to correct the interference by one display module can be on . Usually, the radio signal is off , remove the batteries from the Meter base and display module. To make sure that follow: • Reorient or relocate the receiving ... only one or more of the Meter is docked to OFF. Remote Display The Meter uses low-power 802.15.4 wireless technology to a Meter base at the same time. 8 Different display modules can be synchronized to let the display module operate in detail. The term "IC:" before the radio certification...
Fluke 381 Users Manual
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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. There is broken. This distance can be a maximum of 10 meters from the Meter base, see Figure 1. 1 2 Figure 1. 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. There is broken. This distance can be a maximum of 10 meters from the Meter base, see Figure 1. 1 2 Figure 1. Remote Display True-rms Clamp Meter Features The Meter base and display can change with the obstacles between the Meter base and display.
Fluke 381 Users Manual
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... To capture and hold for 2 seconds. To exit Min Max Avg mode, push and hold the present display reading, push while taking a reading. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. To disable the Backlight Auto Off feature, ... can capture the minimum, maximum, and average readings of dc readings. 11 The Backlight automatically goes off . DC Current Zero Push to display the average reading. Push to enter Min Max Avg mode, push again to the live reading. Push a third time to remove any...
... To capture and hold for 2 seconds. To exit Min Max Avg mode, push and hold the present display reading, push while taking a reading. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. To disable the Backlight Auto Off feature, ... can capture the minimum, maximum, and average readings of dc readings. 11 The Backlight automatically goes off . DC Current Zero Push to display the average reading. Push to enter Min Max Avg mode, push again to the live reading. Push a third time to remove any...
Fluke 381 Users Manual
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Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Also used to shift and corresponds to enter inrush mode. Inrush button: push to the yellow items on the Rotary Function Switch. Push a second time to meet accuracy specifications, the conductor must be aligned with these marks. Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. 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.
Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Also used to shift and corresponds to enter inrush mode. Inrush button: push to the yellow items on the Rotary Function Switch. Push a second time to meet accuracy specifications, the conductor must be aligned with these marks. Integration time is 100 ms. Jaw release Alignment marks: to exit inrush mode. 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.
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.
Fluke 381 Users Manual
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381 Users Manual Item A B Table 4. Continuity Hazardous voltage is being shown. RF signal is present. Measurement is being sent to remote display. Min, Max, or Avg reading is taken at the Jaw. Min Max mode is taken at the Flexible Current Probe. Display Description Item Inrush is active H Hold is active I C Volts J D Amps K E Ohms, DC, AC, Hz L F Main display M G Remote display low-battery symbol N O Description Meter base low-battery symbol Measurement is active. 18
381 Users Manual Item A B Table 4. Continuity Hazardous voltage is being shown. RF signal is present. Measurement is being sent to remote display. Min, Max, or Avg reading is taken at the Jaw. Min Max mode is taken at the Flexible Current Probe. Display Description Item Inrush is active H Hold is active I C Volts J D Amps K E Ohms, DC, AC, Hz L F Main display M G Remote display low-battery symbol N O Description Meter base low-battery symbol Measurement is active. 18
Fluke 381 Users Manual
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... Jaw using the alignment marks on the Jaw. Note When measuring current, center the conductor in the dc current measurement Rotary Function Switch position. 19 Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings.
... Jaw using the alignment marks on the Jaw. Note When measuring current, center the conductor in the dc current measurement Rotary Function Switch position. 19 Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings.
Fluke 381 Users Manual
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CAT 1000 V CAT 600 V 1000 A Remote Display True-rms Clamp Meter Measurements 6C01A0C0TV0A0TV 381 TRRMEMS OCTLEAMDPISPMLEATYER iFlex 1000 A Figure 4. Current Measurement with Jaw ghn04.eps 21
CAT 1000 V CAT 600 V 1000 A Remote Display True-rms Clamp Meter Measurements 6C01A0C0TV0A0TV 381 TRRMEMS OCTLEAMDPISPMLEATYER iFlex 1000 A Figure 4. Current Measurement with Jaw ghn04.eps 21
Fluke 381 Users Manual
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Observe the current value on the display. 23 Check that it is in the display icon (X) will flash on and off. Inspect the coupling system to the desired test points of the Meter is connected and closed correctly or for ... to the COM terminal and the red test lead to the proper voltage function (V or L). 2. If the Flexible Current Probe does not perform as expected: 1. Remote Display True-rms Clamp Meter Measurements Note When the measured current is present, the coupling system will be steady. 5. Turn the Rotary Function Switch to the...
Observe the current value on the display. 23 Check that it is in the display icon (X) will flash on and off. Inspect the coupling system to the desired test points of the Meter is connected and closed correctly or for ... to the COM terminal and the red test lead to the proper voltage function (V or L). 2. If the Flexible Current Probe does not perform as expected: 1. Remote Display True-rms Clamp Meter Measurements Note When the measured current is present, the coupling system will be steady. 5. Turn the Rotary Function Switch to the...
Fluke 381 Users Manual
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...down and slide the door towards you to the case bottom and tighten the screw. Using the two latches on the side of the module. Remote Display True-rms Clamp Meter Maintenance Battery Replacement To replace the batteries in the Meter body, see Figure 8: 1. Use a flat head screwdriver to ...base and turn the Meter on the Meter base, and remove the door from the case bottom. 3. On the bottom of the display module, there is a flat section in the display module, see Figure 8: 1. Replace the batteries with three new AAA batteries. 5. Slide the battery door back into place. 7. ...
...down and slide the door towards you to the case bottom and tighten the screw. Using the two latches on the side of the module. Remote Display True-rms Clamp Meter Maintenance Battery Replacement To replace the batteries in the Meter body, see Figure 8: 1. Use a flat head screwdriver to ...base and turn the Meter on the Meter base, and remove the door from the case bottom. 3. On the bottom of the display module, there is a flat section in the display module, see Figure 8: 1. Replace the batteries with three new AAA batteries. 5. Slide the battery door back into place. 7. ...
Fluke 381 Users Manual
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Meter Base 1 3766406 Fluke 381 Remote Display 1 3766445 Soft Case 1 3752973 User Manual 1 3538357 31 User-Replaceable Parts Description Qty. Fluke Part Number Battery, AAA 1.5 V 5 2838018 Battery Door - Display Module 1 3625529 Battery Door - Remote Display True-rms Clamp Meter User-Replaceable Parts User-Replaceable Parts Table 5.
Meter Base 1 3766406 Fluke 381 Remote Display 1 3766445 Soft Case 1 3752973 User Manual 1 3538357 31 User-Replaceable Parts Description Qty. Fluke Part Number Battery, AAA 1.5 V 5 2838018 Battery Door - Display Module 1 3625529 Battery Door - Remote Display True-rms Clamp Meter User-Replaceable Parts User-Replaceable Parts Table 5.
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Specifications AC Current via Flexible Current Probe Range 999.9 A / 2500 A (45 Hz - 500 Hz) Resolution 0.1 A / 1 A Accuracy 3 % ±5 digits Crest Factor (50/60Hz 3.0 at 1100 A 2.5 at 1400 A 1.42 at 2500 A Add 2 % for C.F. > 2 33
Remote Display True-rms Clamp Meter Specifications AC Current via Flexible Current Probe Range 999.9 A / 2500 A (45 Hz - 500 Hz) Resolution 0.1 A / 1 A Accuracy 3 % ±5 digits Crest Factor (50/60Hz 3.0 at 1100 A 2.5 at 1400 A 1.42 at 2500 A Add 2 % for C.F. > 2 33
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Specifications Distance from Optimum A i2500-10 Flex 0.5 in (12.7 mm) i2500-18 Flex 1.4 in (35.6 mm) Error ± 0.5 % B 0.8 in (20.3 mm) 2.0 ...
Remote Display True-rms Clamp Meter Specifications Distance from Optimum A i2500-10 Flex 0.5 in (12.7 mm) i2500-18 Flex 1.4 in (35.6 mm) Error ± 0.5 % B 0.8 in (20.3 mm) 2.0 ...