Fluke 375 and 374 Clamp Meter Product Datasheet
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...True-rms ac voltage and current for accurate measurements on non-linear signals • Frequency measurement to 500 Hz with other accessories (Fluke 375 only) • 1000 µF capacitance measurement Features • iFlex™ flexible current probe expands the measurement range to 2500 ... 375 True-rms AC/DC Clamp Meters Work horse clamps with increased performance and flexibility The new Fluke 374 and 375 clamp meters offer improved performance perfect for use in both jaw and iFlex™ (Fluke 375 only) • Resistance measurement to 60 kΩ (Fluke 375) or 6000 Ω (Fluke...
...True-rms ac voltage and current for accurate measurements on non-linear signals • Frequency measurement to 500 Hz with other accessories (Fluke 375 only) • 1000 µF capacitance measurement Features • iFlex™ flexible current probe expands the measurement range to 2500 ... 375 True-rms AC/DC Clamp Meters Work horse clamps with increased performance and flexibility The new Fluke 374 and 375 clamp meters offer improved performance perfect for use in both jaw and iFlex™ (Fluke 375 only) • Resistance measurement to 60 kΩ (Fluke 375) or 6000 Ω (Fluke...
Fluke 375 and 374 Clamp Meter Product Datasheet
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...600 V 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 Includes all ...IV 300 V, CAT III 600 V Includes all 333 features plus: • CAT IV 300 V, CAT III 600 V • True-rms 2 Fluke Corporation 374 and 375 True-rms AC/DC Clamp Meters • mV dc • 60 kΩ • 1000 µF • 60 kΩ • 1000 µF • Min/...
...600 V 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 Includes all ...IV 300 V, CAT III 600 V Includes all 333 features plus: • CAT IV 300 V, CAT III 600 V • True-rms 2 Fluke Corporation 374 and 375 True-rms AC/DC Clamp Meters • mV dc • 60 kΩ • 1000 µF • 60 kΩ • 1000 µF • Min/...
Fluke 374, 375, 376 Users Manual
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All product names are subject to change without notice. Printed in China. 374/375/376 Clamp Meter Users Manual PN 3608883 July 2010 © 2010 Fluke Corporation. Specifications are trademarks of their respective companies. All rights reserved.
All product names are subject to change without notice. Printed in China. 374/375/376 Clamp Meter Users Manual PN 3608883 July 2010 © 2010 Fluke Corporation. Specifications are trademarks of their respective companies. All rights reserved.
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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... show the 376. 1 The detachable iFlex (Flexible Current Probe) that is included with the 376 (optional with the 374 and 375) 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. 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 375 and 376 also measure frequency and dc millivolts. Introduction XWWarning Read...
... show the 376. 1 The detachable iFlex (Flexible Current Probe) that is included with the 376 (optional with the 374 and 375) 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. 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 375 and 376 also measure frequency and dc millivolts. Introduction XWWarning Read...
Fluke 374, 375, 376 Users Manual
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...inserted 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 the battery door is opened. • Examine the test leads for cracks or missing plastic. Carefully ...electrical shock or personal injury, follow these guidelines: • Use the Meter only as specified in doubt, have the Meter serviced. 3 Clamp Meters Safety Information Safety Information A Warning identifies conditions and actions that could cause Meter damage, equipment under test damage, or permanent loss of data. A...
...inserted 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 the battery door is opened. • Examine the test leads for cracks or missing plastic. Carefully ...electrical shock or personal injury, follow these guidelines: • Use the Meter only as specified in doubt, have the Meter serviced. 3 Clamp Meters Safety Information Safety Information A Warning identifies conditions and actions that could cause Meter damage, equipment under test damage, or permanent loss of data. A...
Fluke 374, 375, 376 Users Manual
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374, 375, 376 Users Manual • Do not use only specified replacement parts. • Have the Meter serviced only by qualified service personnel. • Be careful around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Contact with the conductor could result in the Meter case, ...as the low battery indicator () appears. • When servicing the Meter, use the Meter around bare conductors or bus bars. See "The Meter" . • To avoid false readings that can lead to power the Meter. • When measuring current with the Jaw, keep fingers behind the ...
374, 375, 376 Users Manual • Do not use only specified replacement parts. • Have the Meter serviced only by qualified service personnel. • Be careful around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Contact with the conductor could result in the Meter case, ...as the low battery indicator () appears. • When servicing the Meter, use the Meter around bare conductors or bus bars. See "The Meter" . • To avoid false readings that can lead to power the Meter. • When measuring current with the Jaw, keep fingers behind the ...
Fluke 374, 375, 376 Users Manual
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... clothing. 5 Clamp Meters Safety Information • Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • Disconnect circuit power and discharge all high-voltage capacitors before you measure resistance, continuity, or capacitance. • For the 374 and 375, do not measure ...ac/dc current 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...
... clothing. 5 Clamp Meters Safety Information • Adhere to prevent shock and arc blast injury where hazardous live conductors are exposed. • Disconnect circuit power and discharge all high-voltage capacitors before you measure resistance, continuity, or capacitance. • For the 374 and 375, do not measure ...ac/dc current 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...
Fluke 374, 375, 376 Users Manual
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... of this product as ~ unsorted municipal waste. Table 1. Go to Fluke's website for the measurement application. • Clean the case and accessories with a damp cloth and mild detergent only. 374, 375, 376 Users Manual WCaution To avoid possible damage to the Meter or to equipment under test: • Use the proper jacks, function...
... of this product as ~ unsorted municipal waste. Table 1. Go to Fluke's website for the measurement application. • Clean the case and accessories with a damp cloth and mild detergent only. 374, 375, 376 Users Manual WCaution To avoid possible damage to the Meter or to equipment under test: • Use the proper jacks, function...
Fluke 374, 375, 376 Users Manual
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Low battery when shown on display. See Manual. Battery. Symbol ) T ; , Meaning Conforms to relevant Australian standards. Important information. Clamp Meters Safety Information Symbol Meaning W ® Risk of Danger. Double insulated Conforms to relevant North American Safety Standards. Application around and removal from HAZARDOUS LIVE conductors. Examined and licensed by TÜV Product Services. - Do not apply to or remove from HAZARDOUS LIVE conductors is permitted. 7
Low battery when shown on display. See Manual. Battery. Symbol ) T ; , Meaning Conforms to relevant Australian standards. Important information. Clamp Meters Safety Information Symbol Meaning W ® Risk of Danger. Double insulated Conforms to relevant North American Safety Standards. Application around and removal from HAZARDOUS LIVE conductors. Examined and licensed by TÜV Product Services. - Do not apply to or remove from HAZARDOUS LIVE conductors is permitted. 7
Fluke 374, 375, 376 Users Manual
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... 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. 8 374, 375, 376 Users Manual Symbol Meaning Symbol Meaning IEC Measurement Category III IEC Measurement Category IV CAT III CAT III equipment has...
... 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. 8 374, 375, 376 Users Manual Symbol Meaning Symbol Meaning IEC Measurement Category III IEC Measurement Category IV CAT III CAT III equipment has...
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