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. 381 Remote Display True-rms Clamp Meter Users Manual PN 3538357 July 2010 © 2010 Fluke Corporation. All rights reserved. Specifications are trademarks of their respective companies.
Printed in China. 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. All rights reserved. Specifications are trademarks of their respective companies.
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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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 ... dealer or an experienced radio/TV technician for the radio signal to be synchronized to a Meter base at the same time. 8 See Figure 2 and Table 2. 381 Users Manual off and on, the user is encouraged to try to correct the interference by one display module can be synchronized with a Meter base...
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 ... dealer or an experienced radio/TV technician for the radio signal to be synchronized to a Meter base at the same time. 8 See Figure 2 and Table 2. 381 Users Manual off and on, the user is encouraged to try to correct the interference by one display module can be synchronized with a Meter base...
Fluke 381 Users Manual
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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. 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 Inrush button: push to the yellow items on the Rotary Function Switch. Also used to shift and corresponds to enter inrush mode.
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. 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 Inrush button: push to the yellow items on the Rotary Function Switch. Also used to shift and corresponds to enter inrush mode.
Fluke 381 Users Manual
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381 Users Manual Specifications Electrical Specifications AC Current Via Jaw Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits (10-100 Hz) 5 % ± 5 digits (100-500 Hz) Crest Factor (50/60 Hz 3 @ 500 A 2.5 @ 600 A 1.42 @1000 A Add 2 % for C.F. > 2 32
381 Users Manual Specifications Electrical Specifications AC Current Via Jaw Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits (10-100 Hz) 5 % ± 5 digits (100-500 Hz) Crest Factor (50/60 Hz 3 @ 500 A 2.5 @ 600 A 1.42 @1000 A Add 2 % for C.F. > 2 32
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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... 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 mm) ± 1.0 % C 1.4 in...
... 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 mm) ± 1.0 % C 1.4 in...
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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381 Users Manual Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C to +50 °C Storage Temperature 40 °C to +60 °C Operating Humidity Non condensing (< 10 °C) ≤ 90 % RH (at 10 ...
381 Users Manual Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C to +50 °C Storage Temperature 40 °C to +60 °C Operating Humidity Non condensing (< 10 °C) ≤ 90 % RH (at 10 ...
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