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Fluke 374 FC User Manual
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Fluke 374 FC User Manual

Clamp meters
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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.
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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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. GlobalTestSupply www. .com Find Quality Products Online at:...
  • 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 ....................9 The Product ........................ 10 Specifications ......................22 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • 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

    Clamp Meters Safety Information Safety Information A Warning identifies conditions and procedures that are dangerous to the user. A Caution identifies conditions and procedures that can cause damage to the Product or the equipment under test. Symbols used on the Product and in this manual are explained in Table 1. XWWarning To prevent possible electrical shock, fire, or personal injury: •...
  • Page 6 374 FC/375 FC/376 FC Users Manual • Prior to use, ensure the Product is clean, dry, and in good repair. Do not use the product if has been exposed to water, cleaning solutions, battery electrolyte leakage, or other contaminants that may have entered the enclosure. These contaminants can reduce or eliminate the protection provided by the Product against electric shock or arc explosion.
  • Page 7 Clamp Meters Safety Information • De-energize the circuit or wear personal protective equipment in compliance with local requirements before you apply or remove the Flexible Current Probe. • Measure a known voltage first to make sure that the Product operates correctly. •...
  • 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 Clamp Meters Safety Information Table 1. Symbols Symbol Meaning Symbol Meaning   AC (Alternating Current) Earth WARNING. HAZARDOUS VOLTAGE.  DC (Direct Current) Risk of electric shock. Conforms to European Union WARNING. RISK OF DANGER. directives. Battery. Low battery when shown on ...
  • Page 10 374 FC/375 FC/376 FC Users Manual Table 2. Symbols (Cont.) Symbol Meaning Measurement Category II is applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage  MAINS installation. Measurement Category III is applicable to test and measuring circuits connected to ...

  • Page 11: Replacement Part List

    Clamp Meters Replacement Part List Replacement Part List Table 3 lists the available replacement parts. Table 3. Replacement Parts Item Qty. Fluke Part or Model Number Battery, AA 1.5 V 376756 Battery Door Assembly 4696918 Test lead set TL75 Flexible current probe i2500-10...

  • Page 12: The Product

    374 FC/375 FC/376 FC Users Manual The Product Clamp Meter fig01.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 13 Clamp Meters The Product Auto Power Off Backlight fig02_3.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 14 374 FC/375 FC/376 FC Users Manual Display Hold MIN MAX AVG 2 sec = Exit fig04_5.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • 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 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 16 374 FC/375 FC/376 FC Users Manual Flexible Current Probe <0.5 A >0.5 A fig06.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 17 Clamp Meters The Product (375 FC & 376 FC) > 5 A > 20 A <0.5 A >0.5 A fig07.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 18 374 FC/375 FC/376 FC Users Manual <0.5 A >0.5 A Fig08.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 19 Clamp Meters The Product mV dc (375 FC & 376 FC) fig09_10.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 20 374 FC/375 FC/376 FC Users Manual <30 Fig15.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 21 Clamp Meters The Product 100 ms fig13_14.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 22 374 FC/375 FC/376 FC Users Manual fig11_12.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 23 Clamp Meters The Product Fluke Connect Bluetooth ® Connection to FCTools Connect CAPTURE flukeconnect.emf GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 24: Specifications

    374 FC/375 FC/376 FC Users Manual Specifications Maximum voltage between any Terminal and Earth Ground ..... 1000 V Batteries ..........2 AA, NEDA 15A, IEC LR6 Operating Temperature ......-10 °C to +50 °C Storage Temperature ......-40 °C to +60 °C Operating Humidity .........
  • Page 25 Clamp Meters Specifications Safety ............IEC 61010-1, Pollution Degree 2 IEC 61010-2-032: CAT III 1000V / CAT IV 600V IEC 61010-2-033: CAT III 1000V / CAT IV 600V Intrusion Protection (IP) Rating ....IEC 60529: IP30 Radio Frequency Certification ....FCC ID:T68-FBLE IC:6627A-FBLE Wireless Radio Frequency Range ..
  • 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 GlobalTestSupply www.
  • Page 27 Clamp Meters Specifications AC Current via Flexible Current Probe Range ............ 2500 A Resolution ..........0.1 A (≤999.9 A) 1 A (≤2500 A) 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.
  • Page 28 374 FC/375 FC/376 FC Users Manual Position Sensitivity ghn12.png Figure 1. Position Sensitivity GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • 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 GlobalTestSupply www.
  • Page 30 374 FC/375 FC/376 FC Users Manual AC Voltage Range ............. 1000 V Resolution ..........0.1 V (≤600.0 V) 1 V (≤1000 V) Accuracy ..........1.5 % ±5 digits (20 Hz to 500 Hz) DC Voltage Range ............. 1000 V Resolution ..........0.1 V (≤600.0 V) 1 V (≤1000 V)
  • Page 31 Clamp Meters 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 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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