Fluke 374, 375, 376 Users Manual
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Printed in China. Specifications are trademarks of their respective companies. All rights reserved. All product names are subject to change without notice. 374/375/376 Clamp Meter Users Manual PN 3608883 July 2010 © 2010 Fluke Corporation.
Printed in China. Specifications are trademarks of their respective companies. All rights reserved. All product names are subject to change without notice. 374/375/376 Clamp Meter Users Manual PN 3608883 July 2010 © 2010 Fluke Corporation.
Fluke 374, 375, 376 Users Manual
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Table of Contents Title Page Introduction...1 How to Contact Fluke 2 Safety Information ...3 The Meter ...9 Specifications ...19 Electrical Specifications 19 Mechanical Specifications 26 Environmental Specifications 27 i
Table of Contents Title Page Introduction...1 How to Contact Fluke 2 Safety Information ...3 The Meter ...9 Specifications ...19 Electrical Specifications 19 Mechanical Specifications 26 Environmental Specifications 27 i
Fluke 374, 375, 376 Users Manual
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... Current Probe provides increased display flexibility and allows measurements of awkward sized conductors and improved wire access. The 375 and 376 also measure frequency and dc millivolts. The Fluke 374, 375, and 376 (the Meter) measure true-rms ac current and voltage, dc current and voltage, inrush current, resistance, and capacitance. The illustrations in...
... Current Probe provides increased display flexibility and allows measurements of awkward sized conductors and improved wire access. The 375 and 376 also measure frequency and dc millivolts. The Fluke 374, 375, and 376 (the Meter) measure true-rms ac current and voltage, dc current and voltage, inrush current, resistance, and capacitance. The illustrations in...
Fluke 374, 375, 376 Users Manual
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... can be compromised. When in Table 1. Replace damaged test leads before using the Meter. • Do not use the Meter. Symbols used on the Meter and in this manual or the protection provided by the Meter can be compromised. • Examine the case before the battery door is opened.... into the input jacks. • Make sure the battery door is closed and latched before operating the Meter. • Remove the test leads from the Meter before you use the Meter if it operates incorrectly. Check test lead continuity. A Caution identifies conditions and procedures that pose hazard(s)...
... can be compromised. When in Table 1. Replace damaged test leads before using the Meter. • Do not use the Meter. Symbols used on the Meter and in this manual or the protection provided by the Meter can be compromised. • Examine the case before the battery door is opened.... into the input jacks. • Make sure the battery door is closed and latched before operating the Meter. • Remove the test leads from the Meter before you use the Meter if it operates incorrectly. Check test lead continuity. A Caution identifies conditions and procedures that pose hazard(s)...
Fluke 374, 375, 376 Users Manual
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... the common test lead before connecting the live test lead first. • Do not work alone so assistance can lead to power the Meter. • When measuring current with the conductor could result in an emergency. • Use extreme caution when working around bare conductors or... keep fingers behind the Tactile Barrier. See "The Meter" . • To avoid false readings that can be rendered in electric shock. 4 374, 375, 376 Users Manual • Do not use only specified replacement parts. • Have the Meter serviced only by qualified service personnel. • Be...
... the common test lead before connecting the live test lead first. • Do not work alone so assistance can lead to power the Meter. • When measuring current with the conductor could result in an emergency. • Use extreme caution when working around bare conductors or... keep fingers behind the Tactile Barrier. See "The Meter" . • To avoid false readings that can be rendered in electric shock. 4 374, 375, 376 Users Manual • Do not use only specified replacement parts. • Have the Meter serviced only by qualified service personnel. • Be...
Fluke 374, 375, 376 Users Manual
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... installation under test or wear suitable protective clothing. 5 De- Individual protective equipment must be used to local and national safety codes. Clamp Meters Safety Information • Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • Disconnect circuit power and ...in circuits carrying more than 1000 V or 600 A with the Meter Jaw. • For the 376, do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A with the Meter Jaw. • Never operate the Meter with the back cover removed or the case open. • Do...
... installation under test or wear suitable protective clothing. 5 De- Individual protective equipment must be used to local and national safety codes. Clamp Meters Safety Information • Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • Disconnect circuit power and ...in circuits carrying more than 1000 V or 600 A with the Meter Jaw. • For the 376, do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A with the Meter Jaw. • Never operate the Meter with the back cover removed or the case open. • Do...
Fluke 374, 375, 376 Users Manual
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... European Union directives. 6 X Hazardous voltage P Conforms to Fluke's website for the measurement application. • Clean the case and accessories with a damp cloth and mild detergent only. Do not use abrasives or solvents. Table 1. 374, 375, 376 Users Manual WCaution To avoid possible damage to the Meter or to equipment under test: • Use...
... European Union directives. 6 X Hazardous voltage P Conforms to Fluke's website for the measurement application. • Clean the case and accessories with a damp cloth and mild detergent only. Do not use abrasives or solvents. Table 1. 374, 375, 376 Users Manual WCaution To avoid possible damage to the Meter or to equipment under test: • Use...
Fluke 374, 375, 376 Users Manual
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Double insulated Conforms to or remove from HAZARDOUS LIVE conductors is permitted. 7 Do not apply to relevant Australian standards. Low battery when shown on display. Battery. Symbol ) T ; , Meaning Conforms to relevant North American Safety Standards. See Manual. Important information. Examined and licensed by TÜV Product Services. - Application around and removal from HAZARDOUS LIVE conductors. Clamp Meters Safety Information Symbol Meaning W ® Risk of Danger.
Double insulated Conforms to or remove from HAZARDOUS LIVE conductors is permitted. 7 Do not apply to relevant Australian standards. Low battery when shown on display. Battery. Symbol ) T ; , Meaning Conforms to relevant North American Safety Standards. See Manual. Important information. Examined and licensed by TÜV Product Services. - Application around and removal from HAZARDOUS LIVE conductors. Clamp Meters Safety Information Symbol Meaning W ® Risk of Danger.
Fluke 374, 375, 376 Users Manual
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CAT IV CAT IV equipment has protection against transients in equipment in fixed-equipment installations, such as an electricity Meter or an overhead or underground utility service. 374, 375, 376 Users Manual Symbol Meaning Symbol Meaning IEC Measurement Category III IEC Measurement Category IV CAT III CAT III equipment has protection against transients... in large buildings. Note The Measurement Category (CAT) and voltage rating of any combination of test probe, test probe accessory, current clamp accessory, and the Meter is the LOWEST rating of any individual component. 8
CAT IV CAT IV equipment has protection against transients in equipment in fixed-equipment installations, such as an electricity Meter or an overhead or underground utility service. 374, 375, 376 Users Manual Symbol Meaning Symbol Meaning IEC Measurement Category III IEC Measurement Category IV CAT III CAT III equipment has protection against transients... in large buildings. Note The Measurement Category (CAT) and voltage rating of any combination of test probe, test probe accessory, current clamp accessory, and the Meter is the LOWEST rating of any individual component. 8
Fluke 374, 375, 376 Users Manual
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Display Hold MIN MAX AVG Clamp Meters The Meter = 1x = 2x = 3x 2 sec = Exit fig04_5.eps 11
Display Hold MIN MAX AVG Clamp Meters The Meter = 1x = 2x = 3x 2 sec = Exit fig04_5.eps 11
Fluke 374, 375, 376 Users Manual
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Jaw 0.5 A Clamp Meters The Meter Hz (375 & 376) > 5 A > 20 A 1 2 Fig07.eps 13
Jaw 0.5 A Clamp Meters The Meter Hz (375 & 376) > 5 A > 20 A 1 2 Fig07.eps 13
Fluke 374, 375, 376 Users Manual
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Clamp Meters The Meter On Off 3 100 ms 1 2 INRUSH 4 fig13_14.eps 17
Clamp Meters The Meter On Off 3 100 ms 1 2 INRUSH 4 fig13_14.eps 17
Fluke 374, 375, 376 Users Manual
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Specifications Electrical Specifications AC Current via Jaw Range 374 and 375 600.0 A 376 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits (10-100 Hz) 2.5 % ± 5 digits (100-500 Hz) Crest Factor (50/60 Hz 3 @ 500 A (375 and 376 only) 2.5 @ 600 A 1.42 @1000 A (376 only) Add 2 % for C.F. > 2 Clamp Meters Specifications 19
Specifications Electrical Specifications AC Current via Jaw Range 374 and 375 600.0 A 376 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits (10-100 Hz) 2.5 % ± 5 digits (100-500 Hz) Crest Factor (50/60 Hz 3 @ 500 A (375 and 376 only) 2.5 @ 600 A 1.42 @1000 A (376 only) Add 2 % for C.F. > 2 Clamp Meters Specifications 19
Fluke 374, 375, 376 Users Manual
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374 and 375 600.0 V 376 1000 V Resolution 374 and 375 0.1 V 376 0.1 V (≤ 600.0 V) 1 V (≤ 1000 V) Accuracy 1.5 % ± 5 digits (20 - 500 Hz) DC Voltage Range 374 and 375 600.0 V 376 1000 V Clamp Meters Specifications 23
374 and 375 600.0 V 376 1000 V Resolution 374 and 375 0.1 V 376 0.1 V (≤ 600.0 V) 1 V (≤ 1000 V) Accuracy 1.5 % ± 5 digits (20 - 500 Hz) DC Voltage Range 374 and 375 600.0 V 376 1000 V Clamp Meters Specifications 23
Fluke 374, 375, 376 Users Manual
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Clamp Meters Specifications Flexible Current Probe Diameter 7.5 mm Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C - +50 °C Storage Temp ... % RH (at 10 °C - 30 °C) ≤ 75 % RH (at 30 °C - 40 °C) ≤ 45 % RH (at 40 °C - 50 °C) Operating Altitude 3000 meters Storage Altitude 12,000 meters EMC EN 61326-1:2006 Temperature Coefficients Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C 27
Clamp Meters Specifications Flexible Current Probe Diameter 7.5 mm Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C - +50 °C Storage Temp ... % RH (at 10 °C - 30 °C) ≤ 75 % RH (at 30 °C - 40 °C) ≤ 45 % RH (at 40 °C - 50 °C) Operating Altitude 3000 meters Storage Altitude 12,000 meters EMC EN 61326-1:2006 Temperature Coefficients Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C 27
Fluke 376 Clamp Meter Product Datasheet
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... to capture variations automatically • 500 mV dc measurement range to interface with increased performance and flexibility The new Fluke 376 Clamp Meter offers improved performance perfect for a wide range of the art signal processing allows for use in noisy electrical environments while... providing stable readings The Fluke 376 is the direct replacement for the Fluke 337 Clamp Meter. ® C US Technical Data Measurement capability • 1000 A ac and dc current measurement with fixed...
... to capture variations automatically • 500 mV dc measurement range to interface with increased performance and flexibility The new Fluke 376 Clamp Meter offers improved performance perfect for a wide range of the art signal processing allows for use in noisy electrical environments while... providing stable readings The Fluke 376 is the direct replacement for the Fluke 337 Clamp Meter. ® C US Technical Data Measurement capability • 1000 A ac and dc current measurement with fixed...
Fluke 376 Clamp Meter Product Datasheet
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...Models Old model: Fluke 337 New model: Fluke 376 Old model: Fluke 336 New model: Fluke 375 New model: Fluke 374 Old model: Fluke 335 New model: Fluke 374 New model: Fluke 373 Old model: Fluke 334 New model: Fluke 374 New model: Fluke 373 Old model: Fluke 333 New model: Fluke 373 Feature Changes ... µF • 600 A ac • 6000 Ω • 1000 µF 2 Fluke Corporation 376 True-rms AC/DC Clamp Meter with iFlex™ Ordering information 376 True-rms AC/DC Clamp Meter with iFlex™ Included Clamp meter, 18-inch iFlex™ probe, test leads, soft case, users manual
...Models Old model: Fluke 337 New model: Fluke 376 Old model: Fluke 336 New model: Fluke 375 New model: Fluke 374 Old model: Fluke 335 New model: Fluke 374 New model: Fluke 373 Old model: Fluke 334 New model: Fluke 374 New model: Fluke 373 Old model: Fluke 333 New model: Fluke 373 Feature Changes ... µF • 600 A ac • 6000 Ω • 1000 µF 2 Fluke Corporation 376 True-rms AC/DC Clamp Meter with iFlex™ Ordering information 376 True-rms AC/DC Clamp Meter with iFlex™ Included Clamp meter, 18-inch iFlex™ probe, test leads, soft case, users manual