Fluke 377 Calibration Manual
Clamp meter
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- User manual (22 pages) ,
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- Calibration manual (19 pages)
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Summary of Contents for Fluke 377
- Page 1 377/377 FC/378/378 FC Clamp Meter Calibration Manual August 2021 © 2021 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. All product names are trademarks of their respective companies.
- Page 2 Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.
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Page 3: Table Of Contents
Table of Contents Title Page Introduction ....................Contact Fluke .................... Safety ......................Specifications .................... Performance Test Procedures ..............AC Voltage ..................DC Voltage ..................Resistance/Capacitance ..............DC Current (Jaw)................AC Current (Jaw) ................AC Current (iFlex Current with AC Voltage Simulation) ..... - Page 4 377/377 FC/378/378 FC Calibration Manual...
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Page 5: Introduction
Introduction XW Warning Read Safety Information before you use the Product. This manual explains the Performance Tests for the 377/377 FC/378/378 FC Clamp Meter (the Product). See the 377/377 FC/378/378 FC Users Manual for usage information. Contact Fluke Fluke Corporation operates worldwide. For local contact information, go to our website: www.fluke.com. -
Page 6: Performance Test Procedures
377/377 FC/378/378 FC Calibration Manual Performance Test Procedures Table is a list of the standard equipment for the Performance Tests. Table 1. Standard Equipment Equipment Required Characteristics Recommended Model Calibrator 4.5-digit resolution Fluke 55xxA Transconductance Amplifier 100 A Fluke 52120A... -
Page 7: Dc Voltage
Clamp Meter Performance Test Procedures DC Voltage To verify dc voltage: 1. Connect the normal output HI and LO of the calibrator to the V Ω and COM input connections on the bottom of the device under test (DUT). 2. Set the DUT to (DC Volts measurement mode). -
Page 8: Dc Current (Jaw)
377/377 FC/378/378 FC Calibration Manual DC Current (Jaw) To verify dc current measurement with the jaw: 1. Connect the normal output HI and LO of the calibrator to the HI and LO input of the 5500A/COIL. 2. Place the DUT inside the center of the 50-turn coil. Calibration accuracy to specifications is guaranteed only when proper clamp alignment is made. -
Page 9: Ac Current (Iflex Current With Ac Voltage Simulation)
Clamp Meter Performance Test Procedures AC Current (iFlex Current with AC Voltage Simulation) To verify ac current measurement with the iFlex, use the AC voltage simulation from the calibrator: 1. Connect the normal output HI to the Calibrator Output HI to the iFlex 2 mm jack flexible probe input terminal ... -
Page 10: Ac Current (Iflex Current Probe With 50-Turn Coil)
377/377 FC/378/378 FC Calibration Manual AC Current (iFlex Current Probe with 50-Turn Coil) To verify ac current measurement with the iFlex and 50-turn coil: 1. Connect the iFlex Current Probe to the DUT. 2. Place the probe centered with equal distance of the conductor and the cable within the 5500/COIL. -
Page 11: Ac Current (Iflex Current Probe With Amplifier And 25-Turn Coil)
96 A, then input into the 25-turn coil to produce up to 2400 A ac. W Caution Read all safety Information before you use the 377/378, 52120A, and 52120A/3kCOIL. High currents are used during this test. For performance tests 0 A to 950 A, see AC Current (iFlex Current Probe with 50-Turn Coil). -
Page 12: Performance Tests
Product is fully assembled. Fluke recommends a 1-year cycle for the Performance Tests. If the Product fails any test, return the Product to a Fluke Service Center or Authorized Service Partner. See Contact Fluke for more information. - Page 13 Clamp Meter Performance Tests Table 2. Performance Tests (cont.) Readout Limit Calibrator Test (Switch Position) Output High -570 V -576.2 V -463.8 V -50 V -51 V -49 V -0.5 V 0.5 V 50 V 49 V 51 V 570 V 463.8 V 576.2 V -950 V...
- Page 14 377/377 FC/378/378 FC Calibration Manual Table 2. Performance Tests (cont.) Readout Limit Calibrator Test (Switch Position) Output High 1.05 mV @ 35 Hz 48 A 52 A 3 mV @ 100 Hz 48 A 52 A 15 mV @ 500 Hz...
- Page 15 Clamp Meter Performance Tests Table 2. Performance Tests (cont.) Readout Limit Calibrator Test (Switch Position) Output High 145 A 155 A 0.6 V @ 10 Hz 145 A 155 A 0.6 V @ 55 Hz 145 A 155 A 0.6 V @ 500 Hz 921 A 979 A 0.38 V @ 10 Hz...
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Page 16: Maintenance
If the Product is used appropriately it does not require special maintenance or repair. In case of repair, go to www.fluke.com for contact information of Fluke Service Centers worldwide. XW Warning To prevent possible electrical shock, fire, or personal injury: •... -
Page 17: How To Clean The Case
Replace the batteries when the low battery indicator shows to prevent incorrect measurements. • 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. - Page 18 377/377 FC/378/378 FC Calibration Manual W Caution To prevent damage to the battery: • Repair the Product before use if the battery leaks. • Do not expose battery to heat sources or high-temperature environments such as an unattended vehicle in the sun.
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Page 19: User Replaceable Parts
Clamp Meter Maintenance User Replaceable Parts An authorized Fluke Calibration service center should service the Product at two-year intervals to maintain optimum performance. Contact your equipment distributor or authorized Fluke Calibration Service Center for any equipment performance failure or to schedule regular maintenance service. See Contact Fluke for more information. - Page 20 377/377 FC/378/378 FC Calibration Manual...