Fluke 381 Clamp Meter Product Datasheet
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... probe expands the measurement range to 2500 A ac while providing increased display flexibility, ability to require two people; 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...
... probe expands the measurement range to 2500 A ac while providing increased display flexibility, ability to require two people; 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...
Fluke 381 Clamp Meter Product Datasheet
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... you do not need 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...5 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™
... you do not need 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...5 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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Specifications are trademarks of their respective companies. All product names are subject to change without notice. All rights reserved. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. Printed in China.
Specifications are trademarks of their respective companies. All product names are subject to change without notice. All rights reserved. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. Printed in China.
Fluke 381 Users Manual
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When in doubt, have the Meter serviced. • Do not use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Check test lead continuity. Such voltages pose a shock hazard. • Do not apply more than the rated voltage,... Meter, between the terminals or between any terminal and earth ground. • When using the Meter. • Do not use only specified replacement parts. Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. Replace damaged test leads before using the probes, keep fingers...
When in doubt, have the Meter serviced. • Do not use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Check test lead continuity. Such voltages pose a shock hazard. • Do not apply more than the rated voltage,... Meter, between the terminals or between any terminal and earth ground. • When using the Meter. • Do not use only specified replacement parts. Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. Replace damaged test leads before using the probes, keep fingers...
Fluke 381 Users Manual
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See Manual. ) Conforms to Fluke's website for recycling information. 5 T Double insulated ~ Do not dispose of Danger. B Battery. Go to relevant North American Safety Standards. Important information. 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. Low battery when shown. Remote Display True-rms Clamp Meter Safety Information Table 1. X Hazardous voltage P Conforms to European Union directives.
See Manual. ) Conforms to Fluke's website for recycling information. 5 T Double insulated ~ Do not dispose of Danger. B Battery. Go to relevant North American Safety Standards. Important information. 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. Low battery when shown. 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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... and, if not installed and used in a residential installation. Examples of the FCC Rules. 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 the two conditions that interference will not occur...
... and, if not installed and used in a residential installation. Examples of the FCC Rules. 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 the two conditions that interference will not occur...
Fluke 381 Users Manual
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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. To detach the display from each other before the radio signal connection is a radio connection when shows in the display. Remote Display True-rms Clamp Meter Features The Meter base and display can change with the obstacles between the Meter base and display. There is broken.
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. To detach the display from each other before the radio signal connection is a radio connection when shows in the display. Remote Display True-rms Clamp Meter Features The Meter base and display can change with the obstacles between the Meter base and display. There is broken.
Fluke 381 Users Manual
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Push to enter Min Max Avg mode, push again to display the average reading. To exit Min Max Avg mode, push and hold the present display reading, push while taking a reading. Display Hold To capture and hold for 2 seconds. MIN MAX AVG Min Max Avg mode... again to return to remove any dc offset that could affect the accuracy of a given output signal over an extended time. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. The Backlight automatically goes off . To disable the Backlight Auto...
Push to enter Min Max Avg mode, push again to display the average reading. To exit Min Max Avg mode, push and hold the present display reading, push while taking a reading. Display Hold To capture and hold for 2 seconds. MIN MAX AVG Min Max Avg mode... again to return to remove any dc offset that could affect the accuracy of a given output signal over an extended time. Remote Display True-rms Clamp Meter Features Backlight Push to toggle the Backlight on the Meter. The Backlight automatically goes off . To disable the Backlight Auto...
Fluke 381 Users Manual
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Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Integration time is 100 ms. Jaw release Alignment marks: to enter 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. Inrush button: push to meet accuracy specifications, the conductor must be aligned with these marks. Also used to shift and corresponds to exit inrush mode. Push a second time to the yellow items on the Rotary Function Switch.
Common terminal Volts/Ohm input terminal Flexible Current Probe input terminal 15 Integration time is 100 ms. Jaw release Alignment marks: to enter 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. Inrush button: push to meet accuracy specifications, the conductor must be aligned with these marks. Also used to shift and corresponds to exit inrush mode. Push a second time to the yellow items on the Rotary Function Switch.
Fluke 381 Users Manual
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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. Display 4 5 6 7 ghn01.eps 17
Fluke 381 Users Manual
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... offset from the Meter. • Keep fingers behind Tactile Barrier. The Zero function works only in the Jaw using the alignment marks on the Jaw. Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings.
... offset from the Meter. • Keep fingers behind Tactile Barrier. The Zero function works only in the Jaw using the alignment marks on the Jaw. Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings.
Fluke 381 Users Manual
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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 CAT 1000 V CAT 600 V 1000 A Remote Display True-rms Clamp Meter Measurements 6C01A0C0TV0A0TV 381 TRRMEMS OCTLEAMDPISPMLEATYER iFlex 1000 A Figure 4.
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Measurements Note When the measured current is in the display icon (X) will be steady. 5. If any damage. AC and DC ...any foreign material is present, the coupling system will not close properly. 2. View the reading on the Meter display. Inspect the cable between the Flexible Current Probe and the Meter for any damage. With current > 0.5 A,... the center dot will flash on and off. Observe the current value on the display. 23 Connect the black test lead to the COM terminal and the red test lead to the desired test points...
Remote Display True-rms Clamp Meter Measurements Note When the measured current is in the display icon (X) will be steady. 5. If any damage. AC and DC ...any foreign material is present, the coupling system will not close properly. 2. View the reading on the Meter display. Inspect the cable between the Flexible Current Probe and the Meter for any damage. With current > 0.5 A,... the center dot will flash on and off. Observe the current value on the display. 23 Connect the black test lead to the COM terminal and the red test lead to the desired test points...
Fluke 381 Users Manual
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...slide the door towards you to loosen the battery compartment door screw on the Meter base, and remove the door from the case bottom. 3. Remote Display True-rms Clamp Meter Maintenance Battery Replacement To replace the batteries in the Meter body, see Figure 8: 1. Replace the batteries with three new AAA batteries.... Remove the batteries. 4. Reattach the battery compartment door to the case bottom and tighten the screw. Remove the batteries. 5. Dock the Display Module with the Meter base and turn the Meter on the side of the module. Turn the Meter off. 2. Turn the Meter OFF. 2.
...slide the door towards you to loosen the battery compartment door screw on the Meter base, and remove the door from the case bottom. 3. Remote Display True-rms Clamp Meter Maintenance Battery Replacement To replace the batteries in the Meter body, see Figure 8: 1. Replace the batteries with three new AAA batteries.... Remove the batteries. 4. Reattach the battery compartment door to the case bottom and tighten the screw. Remove the batteries. 5. Dock the Display Module with the Meter base and turn the Meter on the side of the module. Turn the Meter off. 2. Turn the Meter OFF. 2.
Fluke 381 Users Manual
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User-Replaceable Parts Description Qty. Display Module 1 3625529 Battery Door - Meter Base 1 3766406 Fluke 381 Remote Display 1 3766445 Soft Case 1 3752973 User Manual 1 3538357 31 Fluke Part Number Battery, AAA 1.5 V 5 2838018 Battery Door - Remote Display True-rms Clamp Meter User-Replaceable Parts User-Replaceable Parts Table 5.
User-Replaceable Parts Description Qty. Display Module 1 3625529 Battery Door - Meter Base 1 3766406 Fluke 381 Remote Display 1 3766445 Soft Case 1 3752973 User Manual 1 3538357 31 Fluke Part Number Battery, AAA 1.5 V 5 2838018 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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DC Current Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits AC Voltage Range 600 V /1000 V Resolution 0.1 V / 1 V Accuracy 1.5 % ± 5 digits (20 - 500 Hz) 35 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 in (50.8 ...
DC Current Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits AC Voltage Range 600 V /1000 V Resolution 0.1 V / 1 V Accuracy 1.5 % ± 5 digits (20 - 500 Hz) 35 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 in (50.8 ...
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Specifications Frequency via Flexible Current Probe Range 5.0 to 500.0 Hz Resolution 0.1 Hz Accuracy 0.5 % ± 5 digits Trigger Level 5 to 20 Hz, ≥ 25 A 20 to 100 Hz, ≥ 20 A 100 to 500 Hz, ≥ 25 A Resistance Range 600 Ω/6 kΩ/60 kΩ Resolution 0.1 Ω/1 Ω/10 Ω Accuracy 1 % ± 5 digits Mechanical Specifications Size (L x W x H 277 mm *88 mm * 43 mm (55 mm for remote unit) Weight 350 g Jaw Opening 34 mm Flexible Current Probe Diameter 7.5 mm 37
Remote Display True-rms Clamp Meter Specifications Frequency via Flexible Current Probe Range 5.0 to 500.0 Hz Resolution 0.1 Hz Accuracy 0.5 % ± 5 digits Trigger Level 5 to 20 Hz, ≥ 25 A 20 to 100 Hz, ≥ 20 A 100 to 500 Hz, ≥ 25 A Resistance Range 600 Ω/6 kΩ/60 kΩ Resolution 0.1 Ω/1 Ω/10 Ω Accuracy 1 % ± 5 digits Mechanical Specifications Size (L x W x H 277 mm *88 mm * 43 mm (55 mm for remote unit) Weight 350 g Jaw Opening 34 mm Flexible Current Probe Diameter 7.5 mm 37
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Specifications RSS-210 IC: 6627A-F381 Temperature Coefficients Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C Wireless Frequency 2.4 GHz ISM Band 10 meter range Safety Compliance ANSI/ISA S82.02.01:2004 CAN/CSA-C22.2 No. 61010-1-04 IEC/EN 61010-1:2001 to 1000V CAT III, 600V CAT IV. Double Insulation Clearance Per IEC 61010-2-032 Double Insulation Creepage Per IEC 61010-1 Agency Approvals P, ), ;, ® 39
Remote Display True-rms Clamp Meter Specifications RSS-210 IC: 6627A-F381 Temperature Coefficients Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C Wireless Frequency 2.4 GHz ISM Band 10 meter range Safety Compliance ANSI/ISA S82.02.01:2004 CAN/CSA-C22.2 No. 61010-1-04 IEC/EN 61010-1:2001 to 1000V CAT III, 600V CAT IV. Double Insulation Clearance Per IEC 61010-2-032 Double Insulation Creepage Per IEC 61010-1 Agency Approvals P, ), ;, ® 39