Fluke 374 FC User Manual

Fluke 374 FC User Manual

Clamp meters
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374 FC/375 FC/376 FC
Clamp Meters
Users Manual
September 2015 Rev. 3, 4/23
© 2015-2023 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. 3, 4/23 © 2015-2023 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. All product names are trademarks of their respective companies.
  • 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.
  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction ......................... 1 Contact Fluke ......................2 Safety Information ...................... 3 Replacement Part List ....................4 The Product ........................ 5 ® Install Fluke Connect App ..................16 Wireless Radio Setup ....................17 General Specifications ....................20...
  • Page 4 374 FC/375 FC/376 FC Users Manual...
  • Page 5: 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 6: Contact Fluke

    374 FC/375 FC/376 FC Users Manual Contact Fluke Fluke Corporation operates worldwide. For local contact information, go to our website: www.fluke.com To register your product, view, print, or download the latest manual or manual supplement, go to our website. +1-425-446-5500...
  • Page 7: Safety Information

    Product or the equipment under test. General Safety Information in the printed Safety Information document that ships with the Product. It can also be found online at www.fluke.com. More specific safety information is listed in this manual where applicable.
  • Page 8: Replacement Part List

    374 FC/375 FC/376 FC Users Manual Replacement Part List Table 1 lists the available replacement parts. Table 1. Replacement Parts Item Qty. Fluke Part or Model Number Battery, AA 1.5 V 376756 Battery Door Assembly 4696918 Test lead set TL75...
  • Page 9: The Product

    Clamp Meters The Product The Product Clamp Meter fig01.emf...
  • Page 10 374 FC/375 FC/376 FC Users Manual Auto Power Off Backlight fig02_3.emf...
  • Page 11 Clamp Meters The Product Display Hold MIN MAX AVG 2 sec = Exit fig04_5.emf...
  • Page 12 374 FC/375 FC/376 FC Users Manual Clear Memory (375 FC /376 FC) (375 FC / 376 FC) + ON + 2 sec = LOG 5 sec fig_16.emf...
  • Page 13 Clamp Meters The Product Flexible Current Probe <0.5 A >0.5 A fig06.emf...
  • Page 14 374 FC/375 FC/376 FC Users Manual (375 FC / 376 FC) > 5 A > 20 A <0.5 A >0.5 A fig07.emf...
  • Page 15 Clamp Meters The Product <0.5 A >0.5 A Fig08.emf...
  • Page 16 374 FC/375 FC/376 FC Users Manual mV dc (375 FC / 376 FC) fig09_10.emf...
  • Page 17 Clamp Meters The Product <30 Fig15.emf...
  • Page 18 374 FC/375 FC/376 FC Users Manual 100 ms fig13_14.emf...
  • Page 19 Clamp Meters The Product fig11_12.emf...
  • Page 20: Install Fluke Connect ® App

    374 FC/375 FC/376 FC Users Manual ® Install Fluke Connect Install_Flukeconnect_App.jpg...
  • Page 21: Wireless Radio Setup

    Clamp Meters Wireless Radio Setup Wireless Radio Setup Android Settings Settings Bluetooth > WirelessRadioSetup1-3.emf...
  • Page 22 374 FC/375 FC/376 FC Users Manual ® Connect WirelessRadioSetup4-5.emf...
  • Page 23 Clamp Meters Wireless Radio Setup Blink = 4-5 s Go to www.flukeconnect.com WirelessRadioSetu6-7.emf...
  • Page 24: General Specifications

    Coefficients ..........Add 0.1 x specified accuracy for each degree C >28 °C or <18 °C AC Current via Jaw Range 374 FC and 375 FC ......600.0 A 376 FC ..........999.9 A Resolution ..........0.1 A Accuracy ..........2 % ±5 digits (10 Hz to 100 Hz)
  • Page 25 376 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 AC Current via Flexible Current Probe Range ............
  • Page 26 374 FC/375 FC/376 FC Users Manual Position Sensitivity ghn12.png Figure 1. Position Sensitivity...
  • Page 27 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...
  • Page 28 Range ............. 1000 V Resolution ..........0.1 V (≤600.0 V) 1 V (≤1000 V) Accuracy ..........(374 FC/375 FC) 1.5 % ±5 digits (20 Hz to 500 Hz) (376 FC) 1 % ±5 digits DC Voltage Range ............. 1000 V Resolution ..........
  • Page 29 Clamp Meters General Specifications Frequency via Jaw Range 375 FC and 376 FC ......5.0 Hz to 500.0 Hz Resolution ..........0.1 Hz Accuracy ..........0.5 % ±5 digits Trigger Level ........... 5 Hz to 10 Hz, ≥10 A 10 Hz to 100 Hz, ≥5 A 100 Hz to 500 Hz, ≥10 A Frequency via Flexible Current Probe Range...
  • Page 30 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...
  • Page 31: Product Disposal

    Clamp Meters Product Disposal Product Disposal Dispose of the Product in a professional and environmentally sound manner: • Delete personal data on the Product before disposal. • Remove batteries that are not integrated into the electrical system before disposal and dispose of batteries separately.
  • Page 32 374 FC/375 FC/376 FC Users Manual...

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