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374 FC/375 FC/376 FC
Clamp Meters
Users Manual
September 2015 Rev. 1, 9/19
© 2015-2019 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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Summary of Contents for Fluke 374 FC
- Page 1 374 FC/375 FC/376 FC Clamp Meters Users Manual September 2015 Rev. 1, 9/19 © 2015-2019 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. All product names are trademarks of their respective companies. MyFlukeStore 1.888.610.7664 www. .com...
- Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
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Page 3: Table Of Contents
Table of Contents Title Page Introduction ......................... 1 Contact Fluke ......................2 Safety Information ...................... 3 Replacement Part List ....................9 The Product ........................ 10 Specifications ......................22 MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 4: Introduction
The detachable iFlex (Flexible Current Probe) that is included with the 376 FC (optional with the 374 FC and 375 FC) expands the measurement range to 2500 A ac. The Flexible Current Probe provides increased display flexibility and allows measurements of awkward sized conductors and improved wire access. -
Page 5: Safety Information
Do not use the Product around explosive gas, vapor, or in damp or wet environments. • Do not use and disable the Product if it is damaged. • Do not use the Product if it operates incorrectly. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... - Page 6 Do not measure current while the test leads are in the input jacks. • Do not apply more than the rated voltage, between the terminals or between each terminal and earth ground. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 7 Disconnect power and discharge all high-voltage capacitors before you measure resistance, continuity, capacitance, or a diode junction. • Remove the input signals before you clean the Product. • Use only specified replacement parts. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 8 When batteries are changed, ensure that the calibration seal in the battery compartment is not damaged. If damaged, the Product may not be safe to use. Return the Product to Fluke for replacement of the seal. • Do not use in CAT III or CAT IV environments without the protective cap of test probe.
- Page 9 EMC standards. American safety standards. Do not apply to or remove from HAZARDOUS LIVE conductors. Do not apply around or remove from uninsulated hazardous live conductors without taking additional protective measures. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 10 Product Category: With reference to the equipment types in the WEEE Directive Annex I, this product is classed as category 9 "Monitoring and Control Instrumentation" product. Do not dispose of this product as unsorted municipal waste. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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Page 11: Replacement Part List
Battery, AA 1.5 V 376756 Battery Door Assembly 4696918 Test lead set TL75 Flexible current probe i2500-10 3676410 Flexible current probe i2500-18 3798105 Magnet strap 669952 STRAP 9 INCHES 669960 Soft Case 3752958 MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 12: The Product
374 FC/375 FC/376 FC Users Manual The Product Clamp Meter fig01.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... - Page 13 Clamp Meters The Product Auto Power Off Backlight fig02_3.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 14 374 FC/375 FC/376 FC Users Manual Display Hold MIN MAX AVG 2 sec = Exit fig04_5.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 15 Clamp Meters The Product Clear Memory (375 FC and 376 FC) (375 FC and 376 FC) + ON + 2 sec = LOG 5 sec fig_16.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 16 374 FC/375 FC/376 FC Users Manual Flexible Current Probe <0.5 A >0.5 A fig06.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 17 Clamp Meters The Product (375 FC & 376 FC) > 5 A > 20 A <0.5 A >0.5 A fig07.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 18 374 FC/375 FC/376 FC Users Manual <0.5 A >0.5 A Fig08.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 19 Clamp Meters The Product mV dc (375 FC & 376 FC) fig09_10.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 20 374 FC/375 FC/376 FC Users Manual <30 Fig15.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 21 Clamp Meters The Product 100 ms fig13_14.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 22 374 FC/375 FC/376 FC Users Manual fig11_12.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 23 Clamp Meters The Product Fluke Connect Bluetooth ® Connection to FCTools Connect CAPTURE flukeconnect.emf MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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Page 24: Specifications
Size (L x W x H) ........249 mm x 85 mm x 45 mm Weight ............. 410 g Jaw Opening ........... 34 mm Flexible Current Probe Diameter .... 7.5 mm Flexible Current Probe Cable Length (head to electronics connector) ....1.8 m MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... - Page 25 Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 26 Crest Factor (50 Hz/60 Hz) 376 FC ..........3 @ 500 A 2.5 @ 600 A 1.42 @ 1000 A 374 FC and 375 FC ......2.5 @ 350 A 1.42 @ 600 A Note: Add 2 % for C.F. >2 MyFlukeStore 1.888.610.7664...
- Page 27 Accuracy ..........3 % ±5 digits (5 – 500 Hz) Crest Factor (50 Hz/60 Hz) ..... 3.0 @ 1100 A 2.5 @ 1400 A 1.42 @ 2500 A Add 2 % for C.F. >2 MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 28 374 FC/375 FC/376 FC Users Manual Position Sensitivity ghn12.png Figure 1. Position Sensitivity MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 29 Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and within operating temperature range. DC Current Range 374 FC and 375 FC ......600.0 A 376 FC ..........999.9 A Resolution ..........0.1 A Accuracy ..........2 % ±5 digits MyFlukeStore 1.888.610.7664...
- Page 30 1 V (≤1000 V) Accuracy ..........1 % ±5 digits mV dc (375 FC and 376 FC) Range ............. 500.0 mV Resolution ..........0.1 mV Accuracy ..........1 % ±5 digits MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 31 Accuracy ..........0.5 % ±5 digits Trigger Level ........... 5 Hz to 20 Hz, ≥25 A 20 Hz to 100 Hz, ≥20 A 100 Hz to 500 Hz, ≥25 A MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 32 Range 374 FC ..........6000 Ω 375 FC and 376 FC ......60 kΩ Resolution 374 FC ..........0.1 Ω (≤600 Ω) 1 Ω (≤6000 Ω) 375 FC and 376 FC ......0.1 Ω (≤600 Ω) 1 Ω (≤6000 Ω) 10 Ω...
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